gpg: Avoid malloc failure due to no key signatures
[gnupg.git] / configure.ac
1 # configure.ac - for GnuPG 2.1
2 # Copyright (C) 1998-2012 Free Software Foundation, Inc.
3 # Copyright (C) 1998-2016 Werner Koch
4 #
5 # This file is part of GnuPG.
6 #
7 # GnuPG is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
11 #
12 # GnuPG is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, see <http://www.gnu.org/licenses/>.
19
20 # Process this file with autoconf to produce a configure script.
21 AC_PREREQ(2.61)
22 min_automake_version="1.14"
23
24 # To build a release you need to create a tag with the version number
25 # (git tag -s gnupg-2.n.m) and run "./autogen.sh --force".  Please
26 # bump the version number immediately *after* the release and do
27 # another commit and push so that the git magic is able to work.
28 m4_define([mym4_package],[gnupg])
29 m4_define([mym4_major], [2])
30 m4_define([mym4_minor], [1])
31 m4_define([mym4_micro], [16])
32
33 # To start a new development series, i.e a new major or minor number
34 # you need to mark an arbitrary commit before the first beta release
35 # with an annotated tag.  For example the 2.1 branch starts off with
36 # the tag "gnupg-2.1-base".  This is used as the base for counting
37 # beta numbers before the first release of a series.
38
39 # Below is m4 magic to extract and compute the git revision number,
40 # the decimalized short revision number, a beta version string and a
41 # flag indicating a development version (mym4_isbeta).  Note that the
42 # m4 processing is done by autoconf and not during the configure run.
43 m4_define([mym4_verslist], m4_split(m4_esyscmd([./autogen.sh --find-version] \
44                            mym4_package mym4_major mym4_minor mym4_micro),[:]))
45 m4_define([mym4_isbeta],       m4_argn(2, mym4_verslist))
46 m4_define([mym4_version],      m4_argn(4, mym4_verslist))
47 m4_define([mym4_revision],     m4_argn(7, mym4_verslist))
48 m4_define([mym4_revision_dec], m4_argn(8, mym4_verslist))
49 m4_esyscmd([echo ]mym4_version[>VERSION])
50 AC_INIT([mym4_package],[mym4_version], [https://bugs.gnupg.org])
51
52 NEED_GPG_ERROR_VERSION=1.24
53
54 NEED_LIBGCRYPT_API=1
55 NEED_LIBGCRYPT_VERSION=1.7.0
56
57 NEED_LIBASSUAN_API=2
58 NEED_LIBASSUAN_VERSION=2.4.3
59
60 NEED_KSBA_API=1
61 NEED_KSBA_VERSION=1.3.4
62
63 NEED_NTBTLS_API=1
64 NEED_NTBTLS_VERSION=0.1.0
65
66 NEED_NPTH_API=1
67 NEED_NPTH_VERSION=1.2
68
69
70 NEED_GNUTLS_VERSION=3.0
71
72 NEED_SQLITE_VERSION=3.7
73
74 development_version=mym4_isbeta
75 PACKAGE=$PACKAGE_NAME
76 PACKAGE_GT=${PACKAGE_NAME}2
77 VERSION=$PACKAGE_VERSION
78
79 AC_CONFIG_AUX_DIR([build-aux])
80 AC_CONFIG_SRCDIR([sm/gpgsm.c])
81 AC_CONFIG_HEADER([config.h])
82 AM_INIT_AUTOMAKE([serial-tests dist-bzip2 no-dist-gzip])
83 AC_CANONICAL_HOST
84 AB_INIT
85
86 AC_GNU_SOURCE
87
88 # Before we do anything with the C compiler, we first save the user's
89 # CFLAGS (they are restored at the end of the configure script).  This
90 # is because some configure checks don't work with -Werror, but we'd
91 # like to use -Werror with our build.
92 CFLAGS_orig=$CFLAGS
93 CFLAGS=
94
95 # Some status variables.
96 have_gpg_error=no
97 have_libgcrypt=no
98 have_libassuan=no
99 have_ksba=no
100 have_ntbtls=no
101 have_gnutls=no
102 have_sqlite=no
103 have_npth=no
104 have_libusb=no
105 have_adns=no
106 gnupg_have_ldap="n/a"
107
108 use_zip=yes
109 use_bzip2=yes
110 use_exec=yes
111 use_trust_models=yes
112 use_tofu=yes
113 card_support=yes
114 use_ccid_driver=auto
115 dirmngr_auto_start=yes
116 use_tls_library=no
117 large_secmem=no
118 show_tor_support=no
119
120
121 GNUPG_BUILD_PROGRAM(gpg, yes)
122 GNUPG_BUILD_PROGRAM(gpgsm, yes)
123 # The agent is a required part and can't be disabled anymore.
124 build_agent=yes
125 GNUPG_BUILD_PROGRAM(scdaemon, yes)
126 GNUPG_BUILD_PROGRAM(g13, no)
127 GNUPG_BUILD_PROGRAM(dirmngr, yes)
128 GNUPG_BUILD_PROGRAM(tools, yes)
129 GNUPG_BUILD_PROGRAM(doc, yes)
130 GNUPG_BUILD_PROGRAM(symcryptrun, no)
131 # We use gpgtar to unpack test data, hence we always build it.  If the
132 # user opts out, we simply don't install it.
133 GNUPG_BUILD_PROGRAM(gpgtar, yes)
134 GNUPG_BUILD_PROGRAM(wks-tools, no)
135
136 AC_SUBST(PACKAGE)
137 AC_SUBST(PACKAGE_GT)
138 AC_SUBST(VERSION)
139 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
140 AC_DEFINE_UNQUOTED(PACKAGE_GT, "$PACKAGE_GT",
141                                 [Name of this package for gettext])
142 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
143 AC_DEFINE_UNQUOTED(PACKAGE_BUGREPORT, "$PACKAGE_BUGREPORT",
144                                         [Bug report address])
145 AC_DEFINE_UNQUOTED(NEED_LIBGCRYPT_VERSION, "$NEED_LIBGCRYPT_VERSION",
146                                        [Required version of Libgcrypt])
147 AC_DEFINE_UNQUOTED(NEED_KSBA_VERSION, "$NEED_KSBA_VERSION",
148                                        [Required version of Libksba])
149 AC_DEFINE_UNQUOTED(NEED_NTBTLS_VERSION, "$NEED_NTBTLS_VERSION",
150                                        [Required version of NTBTLS])
151
152
153
154 # The default is to use the modules from this package and the few
155 # other packages in a standard place; i.e where this package gets
156 # installed.  With these options it is possible to override these
157 # ${prefix} depended values with fixed paths, which can't be replaced
158 # at make time.  See also am/cmacros.am and the defaults in AH_BOTTOM.
159 AC_ARG_WITH(agent-pgm,
160     [  --with-agent-pgm=PATH  Use PATH as the default for the agent)],
161           GNUPG_AGENT_PGM="$withval", GNUPG_AGENT_PGM="" )
162 AC_SUBST(GNUPG_AGENT_PGM)
163 AM_CONDITIONAL(GNUPG_AGENT_PGM, test -n "$GNUPG_AGENT_PGM")
164 show_gnupg_agent_pgm="(default)"
165 test -n "$GNUPG_AGENT_PGM" && show_gnupg_agent_pgm="$GNUPG_AGENT_PGM"
166
167 AC_ARG_WITH(pinentry-pgm,
168     [  --with-pinentry-pgm=PATH  Use PATH as the default for the pinentry)],
169           GNUPG_PINENTRY_PGM="$withval", GNUPG_PINENTRY_PGM="" )
170 AC_SUBST(GNUPG_PINENTRY_PGM)
171 AM_CONDITIONAL(GNUPG_PINENTRY_PGM, test -n "$GNUPG_PINENTRY_PGM")
172 show_gnupg_pinentry_pgm="(default)"
173 test -n "$GNUPG_PINENTRY_PGM" && show_gnupg_pinentry_pgm="$GNUPG_PINENTRY_PGM"
174
175
176 AC_ARG_WITH(scdaemon-pgm,
177     [  --with-scdaemon-pgm=PATH  Use PATH as the default for the scdaemon)],
178           GNUPG_SCDAEMON_PGM="$withval", GNUPG_SCDAEMON_PGM="" )
179 AC_SUBST(GNUPG_SCDAEMON_PGM)
180 AM_CONDITIONAL(GNUPG_SCDAEMON_PGM, test -n "$GNUPG_SCDAEMON_PGM")
181 show_gnupg_scdaemon_pgm="(default)"
182 test -n "$GNUPG_SCDAEMON_PGM" && show_gnupg_scdaemon_pgm="$GNUPG_SCDAEMON_PGM"
183
184
185 AC_ARG_WITH(dirmngr-pgm,
186     [  --with-dirmngr-pgm=PATH  Use PATH as the default for the dirmngr)],
187           GNUPG_DIRMNGR_PGM="$withval", GNUPG_DIRMNGR_PGM="" )
188 AC_SUBST(GNUPG_DIRMNGR_PGM)
189 AM_CONDITIONAL(GNUPG_DIRMNGR_PGM, test -n "$GNUPG_DIRMNGR_PGM")
190 show_gnupg_dirmngr_pgm="(default)"
191 test -n "$GNUPG_DIRMNGR_PGM" && show_gnupg_dirmngr_pgm="$GNUPG_DIRMNGR_PGM"
192
193 AC_ARG_WITH(protect-tool-pgm,
194     [  --with-protect-tool-pgm=PATH  Use PATH as the default for the protect-tool)],
195           GNUPG_PROTECT_TOOL_PGM="$withval", GNUPG_PROTECT_TOOL_PGM="" )
196 AC_SUBST(GNUPG_PROTECT_TOOL_PGM)
197 AM_CONDITIONAL(GNUPG_PROTECT_TOOL_PGM, test -n "$GNUPG_PROTECT_TOOL_PGM")
198 show_gnupg_protect_tool_pgm="(default)"
199 test -n "$GNUPG_PROTECT_TOOL_PGM" \
200       && show_gnupg_protect_tool_pgm="$GNUPG_PROTECT_TOOL_PGM"
201
202 AC_ARG_WITH(dirmngr-ldap-pgm,
203     [  --with-dirmngr-ldap-pgm=PATH  Use PATH as the default for the dirmnge ldap wrapper)],
204           GNUPG_DIRMNGR_LDAP_PGM="$withval", GNUPG_DIRMNGR_LDAP_PGM="" )
205 AC_SUBST(GNUPG_DIRMNGR_LDAP_PGM)
206 AM_CONDITIONAL(GNUPG_DIRMNGR_LDAP_PGM, test -n "$GNUPG_DIRMNGR_LDAP_PGM")
207 show_gnupg_dirmngr_ldap_pgm="(default)"
208 test -n "$GNUPG_DIRMNGR_LDAP_PGM" \
209       && show_gnupg_dirmngr_ldap_pgm="$GNUPG_DIRMNGR_LDAP_PGM"
210
211 #
212 # On some platforms gpg2 is usually installed as gpg without using a
213 # symlink.  For correct operation of gpgconf it needs to know the
214 # installed name of gpg.  This option sets "gpg2"'s installed name to
215 # just "gpg".  Note that it might be required to rename gpg2 to gpg
216 # manually after the build process.
217 #
218 AC_ARG_ENABLE(gpg2-is-gpg,
219     AC_HELP_STRING([--enable-gpg2-is-gpg],[Set installed name of gpg2 to gpg]),
220     gpg2_is_gpg=$enableval)
221 if test "$gpg2_is_gpg" != "yes"; then
222    AC_DEFINE(USE_GPG2_HACK, 1, [Define to install gpg as gpg2])
223 fi
224 AM_CONDITIONAL(USE_GPG2_HACK, test "$gpg2_is_gpg" != "yes")
225
226
227 # SELinux support includes tracking of sensitive files to avoid
228 # leaking their contents through processing these files by gpg itself
229 AC_MSG_CHECKING([whether SELinux support is requested])
230 AC_ARG_ENABLE(selinux-support,
231               AC_HELP_STRING([--enable-selinux-support],
232                              [enable SELinux support]),
233               selinux_support=$enableval, selinux_support=no)
234 AC_MSG_RESULT($selinux_support)
235
236
237 AC_MSG_CHECKING([whether to allocate extra secure memory])
238 AC_ARG_ENABLE(large-secmem,
239               AC_HELP_STRING([--enable-large-secmem],
240                              [allocate extra secure memory]),
241               large_secmem=$enableval, large_secmem=no)
242 AC_MSG_RESULT($large_secmem)
243 if test "$large_secmem" = yes ; then
244    SECMEM_BUFFER_SIZE=65536
245 else
246    SECMEM_BUFFER_SIZE=32768
247 fi
248 AC_DEFINE_UNQUOTED(SECMEM_BUFFER_SIZE,$SECMEM_BUFFER_SIZE,
249                    [Size of secure memory buffer])
250
251 AC_MSG_CHECKING([whether to enable trust models])
252 AC_ARG_ENABLE(trust-models,
253               AC_HELP_STRING([--disable-trust-models],
254                              [disable all trust models except "always"]),
255               use_trust_models=$enableval)
256 AC_MSG_RESULT($use_trust_models)
257 if test "$use_trust_models" = no ; then
258     AC_DEFINE(NO_TRUST_MODELS, 1,
259              [Define to include only trust-model always])
260 fi
261
262 AC_MSG_CHECKING([whether to enable TOFU])
263 AC_ARG_ENABLE(tofu,
264                 AC_HELP_STRING([--disable-tofu],
265                                [disable the TOFU trust model]),
266               use_tofu=$enableval, use_tofu=$use_trust_models)
267 AC_MSG_RESULT($use_tofu)
268 if test "$use_trust_models" = no && test "$use_tofu" = yes; then
269     AC_MSG_ERROR([both --disable-trust-models and --enable-tofu given])
270 fi
271
272
273
274 #
275 # Options to disable algorithm
276 #
277
278 GNUPG_GPG_DISABLE_ALGO([rsa],[RSA public key])
279 # Elgamal is a MUST algorithm
280 # DSA is a MUST algorithm
281 GNUPG_GPG_DISABLE_ALGO([ecdh],[ECDH public key])
282 GNUPG_GPG_DISABLE_ALGO([ecdsa],[ECDSA public key])
283 GNUPG_GPG_DISABLE_ALGO([eddsa],[EdDSA public key])
284
285 GNUPG_GPG_DISABLE_ALGO([idea],[IDEA cipher])
286 # 3DES is a MUST algorithm
287 GNUPG_GPG_DISABLE_ALGO([cast5],[CAST5 cipher])
288 GNUPG_GPG_DISABLE_ALGO([blowfish],[BLOWFISH cipher])
289 GNUPG_GPG_DISABLE_ALGO([aes128],[AES128 cipher])
290 GNUPG_GPG_DISABLE_ALGO([aes192],[AES192 cipher])
291 GNUPG_GPG_DISABLE_ALGO([aes256],[AES256 cipher])
292 GNUPG_GPG_DISABLE_ALGO([twofish],[TWOFISH cipher])
293 GNUPG_GPG_DISABLE_ALGO([camellia128],[CAMELLIA128 cipher])
294 GNUPG_GPG_DISABLE_ALGO([camellia192],[CAMELLIA192 cipher])
295 GNUPG_GPG_DISABLE_ALGO([camellia256],[CAMELLIA256 cipher])
296
297 GNUPG_GPG_DISABLE_ALGO([md5],[MD5 hash])
298 # SHA1 is a MUST algorithm
299 GNUPG_GPG_DISABLE_ALGO([rmd160],[RIPE-MD160 hash])
300 GNUPG_GPG_DISABLE_ALGO([sha224],[SHA-224 hash])
301 # SHA256 is a MUST algorithm for GnuPG.
302 GNUPG_GPG_DISABLE_ALGO([sha384],[SHA-384 hash])
303 GNUPG_GPG_DISABLE_ALGO([sha512],[SHA-512 hash])
304
305
306 # Allow disabling of zip support.
307 # This is in general not a good idea because according to rfc4880 OpenPGP
308 # implementations SHOULD support ZLIB.
309 AC_MSG_CHECKING([whether to enable the ZIP and ZLIB compression algorithm])
310 AC_ARG_ENABLE(zip,
311    AC_HELP_STRING([--disable-zip],
312                   [disable the ZIP and ZLIB compression algorithm]),
313    use_zip=$enableval)
314 AC_MSG_RESULT($use_zip)
315
316 # Allow disabling of bzib2 support.
317 # It is defined only after we confirm the library is available later
318 AC_MSG_CHECKING([whether to enable the BZIP2 compression algorithm])
319 AC_ARG_ENABLE(bzip2,
320    AC_HELP_STRING([--disable-bzip2],[disable the BZIP2 compression algorithm]),
321    use_bzip2=$enableval)
322 AC_MSG_RESULT($use_bzip2)
323
324 # Configure option to allow or disallow execution of external
325 # programs, like a photo viewer.
326 AC_MSG_CHECKING([whether to enable external program execution])
327 AC_ARG_ENABLE(exec,
328     AC_HELP_STRING([--disable-exec],[disable all external program execution]),
329     use_exec=$enableval)
330 AC_MSG_RESULT($use_exec)
331 if test "$use_exec" = no ; then
332     AC_DEFINE(NO_EXEC,1,[Define to disable all external program execution])
333 fi
334
335 if test "$use_exec" = yes ; then
336   AC_MSG_CHECKING([whether to enable photo ID viewing])
337   AC_ARG_ENABLE(photo-viewers,
338       [  --disable-photo-viewers disable photo ID viewers],
339       [if test "$enableval" = no ; then
340          AC_DEFINE(DISABLE_PHOTO_VIEWER,1,[define to disable photo viewing])
341       fi],enableval=yes)
342   gnupg_cv_enable_photo_viewers=$enableval
343   AC_MSG_RESULT($enableval)
344
345   if test "$gnupg_cv_enable_photo_viewers" = yes ; then
346     AC_MSG_CHECKING([whether to use a fixed photo ID viewer])
347     AC_ARG_WITH(photo-viewer,
348         [  --with-photo-viewer=FIXED_VIEWER  set a fixed photo ID viewer],
349         [if test "$withval" = yes ; then
350            withval=no
351         elif test "$withval" != no ; then
352            AC_DEFINE_UNQUOTED(FIXED_PHOTO_VIEWER,"$withval",
353                             [if set, restrict photo-viewer to this])
354         fi],withval=no)
355     AC_MSG_RESULT($withval)
356   fi
357 fi
358
359
360 #
361 # Check for the key/uid cache size.  This can't be zero, but can be
362 # pretty small on embedded systems.  This is used for the gpg part.
363 #
364 AC_MSG_CHECKING([for the size of the key and uid cache])
365 AC_ARG_ENABLE(key-cache,
366         AC_HELP_STRING([--enable-key-cache=SIZE],
367                        [Set key cache to SIZE (default 4096)]),,enableval=4096)
368 if test "$enableval" = "no"; then
369    enableval=5
370 elif test "$enableval" = "yes" || test "$enableval" = ""; then
371    enableval=4096
372 fi
373 changequote(,)dnl
374 key_cache_size=`echo "$enableval" | sed 's/[A-Za-z]//g'`
375 changequote([,])dnl
376 if test "$enableval" != "$key_cache_size" || test "$key_cache_size" -lt 5; then
377    AC_MSG_ERROR([invalid key-cache size])
378 fi
379 AC_MSG_RESULT($key_cache_size)
380 AC_DEFINE_UNQUOTED(PK_UID_CACHE_SIZE,$key_cache_size,
381                   [Size of the key and UID caches])
382
383
384
385 #
386 # Check whether we want to use Linux capabilities
387 #
388 AC_MSG_CHECKING([whether use of capabilities is requested])
389 AC_ARG_WITH(capabilities,
390     [  --with-capabilities     use linux capabilities [default=no]],
391 [use_capabilities="$withval"],[use_capabilities=no])
392 AC_MSG_RESULT($use_capabilities)
393
394 #
395 # Check whether to disable the card support
396 AC_MSG_CHECKING([whether smartcard support is requested])
397 AC_ARG_ENABLE(card-support,
398               AC_HELP_STRING([--disable-card-support],
399                              [disable smartcard support]),
400               card_support=$enableval)
401 AC_MSG_RESULT($card_support)
402 if test "$card_support" = yes ; then
403   AC_DEFINE(ENABLE_CARD_SUPPORT,1,[Define to include smartcard support])
404 else
405   build_scdaemon=no
406 fi
407
408 #
409 # Allow disabling of internal CCID support.
410 # It is defined only after we confirm the library is available later
411 #
412 AC_MSG_CHECKING([whether to enable the internal CCID driver])
413 AC_ARG_ENABLE(ccid-driver,
414               AC_HELP_STRING([--disable-ccid-driver],
415                              [disable the internal CCID driver]),
416               use_ccid_driver=$enableval)
417 AC_MSG_RESULT($use_ccid_driver)
418
419 AC_MSG_CHECKING([whether to auto start dirmngr])
420 AC_ARG_ENABLE(dirmngr-auto-start,
421               AC_HELP_STRING([--disable-dirmngr-auto-start],
422                              [disable auto starting of the dirmngr]),
423               dirmngr_auto_start=$enableval)
424 AC_MSG_RESULT($dirmngr_auto_start)
425 if test "$dirmngr_auto_start" = yes ; then
426     AC_DEFINE(USE_DIRMNGR_AUTO_START,1,
427               [Define to enable auto starting of the dirmngr])
428 fi
429
430
431 #
432 # To avoid double inclusion of config.h which might happen at some
433 # places, we add the usual double inclusion protection at the top of
434 # config.h.
435 #
436 AH_TOP([
437 #ifndef GNUPG_CONFIG_H_INCLUDED
438 #define GNUPG_CONFIG_H_INCLUDED
439 ])
440
441 #
442 # Stuff which goes at the bottom of config.h.
443 #
444 AH_BOTTOM([
445 /* This is the major version number of GnuPG so that
446    source included files can test for this.  Note, that
447    we use 2 here even for GnuPG 1.9.x. */
448 #define GNUPG_MAJOR_VERSION 2
449
450 /* Now to separate file name parts.
451    Please note that the string version must not contain more
452    than one character because the code assumes strlen()==1 */
453 #ifdef HAVE_DOSISH_SYSTEM
454 #define DIRSEP_C '\\'
455 #define DIRSEP_S "\\"
456 #define EXTSEP_C '.'
457 #define EXTSEP_S "."
458 #define PATHSEP_C ';'
459 #define PATHSEP_S ";"
460 #define EXEEXT_S ".exe"
461 #else
462 #define DIRSEP_C '/'
463 #define DIRSEP_S "/"
464 #define EXTSEP_C '.'
465 #define EXTSEP_S "."
466 #define PATHSEP_C ':'
467 #define PATHSEP_S ":"
468 #define EXEEXT_S ""
469 #endif
470
471 /* This is the same as VERSION, but should be overridden if the
472    platform cannot handle things like dots '.' in filenames. Set
473    SAFE_VERSION_DOT and SAFE_VERSION_DASH to whatever SAFE_VERSION
474    uses for dots and dashes. */
475 #define SAFE_VERSION VERSION
476 #define SAFE_VERSION_DOT  '.'
477 #define SAFE_VERSION_DASH '-'
478
479 /* Some global constants. */
480 #ifdef HAVE_DOSISH_SYSTEM
481 # ifdef HAVE_DRIVE_LETTERS
482 #  define GNUPG_DEFAULT_HOMEDIR "c:/gnupg"
483 # else
484 #  define GNUPG_DEFAULT_HOMEDIR "/gnupg"
485 # endif
486 #elif defined(__VMS)
487 #define GNUPG_DEFAULT_HOMEDIR "/SYS$LOGIN/gnupg"
488 #else
489 #define GNUPG_DEFAULT_HOMEDIR "~/.gnupg"
490 #endif
491 #define GNUPG_PRIVATE_KEYS_DIR  "private-keys-v1.d"
492 #define GNUPG_OPENPGP_REVOC_DIR "openpgp-revocs.d"
493
494 /* For some systems (DOS currently), we hardcode the path here.  For
495    POSIX systems the values are constructed by the Makefiles, so that
496    the values may be overridden by the make invocations; this is to
497    comply with the GNU coding standards.  Note that these values are
498    only defaults.  */
499 #ifdef HAVE_DOSISH_SYSTEM
500 # ifdef HAVE_DRIVE_LETTERS
501 #  define GNUPG_BINDIR      "c:\\gnupg"
502 #  define GNUPG_LIBEXECDIR  "c:\\gnupg"
503 #  define GNUPG_LIBDIR      "c:\\gnupg"
504 #  define GNUPG_DATADIR     "c:\\gnupg"
505 #  define GNUPG_SYSCONFDIR  "c:\\gnupg"
506 # else
507 #  define GNUPG_BINDIR      "\\gnupg"
508 #  define GNUPG_LIBEXECDIR  "\\gnupg"
509 #  define GNUPG_LIBDIR      "\\gnupg"
510 #  define GNUPG_DATADIR     "\\gnupg"
511 #  define GNUPG_SYSCONFDIR  "\\gnupg"
512 # endif
513 #endif
514
515 /* Derive some other constants. */
516 #if !(defined(HAVE_FORK) && defined(HAVE_PIPE) && defined(HAVE_WAITPID))
517 #define EXEC_TEMPFILE_ONLY
518 #endif
519
520
521 /* We didn't define endianness above, so get it from OS macros.  This
522    is intended for making fat binary builds on OS X. */
523 #if !defined(BIG_ENDIAN_HOST) && !defined(LITTLE_ENDIAN_HOST)
524 #if defined(__BIG_ENDIAN__)
525 #define BIG_ENDIAN_HOST 1
526 #elif defined(__LITTLE_ENDIAN__)
527 #define LITTLE_ENDIAN_HOST 1
528 #else
529 #error "No endianness found"
530 #endif
531 #endif
532
533
534 /* Hack used for W32: ldap.m4 also tests for the ASCII version of
535    ldap_start_tls_s because that is the actual symbol used in the
536    library.  winldap.h redefines it to our commonly used value,
537    thus we define our usual macro here.  */
538 #ifdef HAVE_LDAP_START_TLS_SA
539 # ifndef HAVE_LDAP_START_TLS_S
540 #  define HAVE_LDAP_START_TLS_S 1
541 # endif
542 #endif
543
544 /* Provide the es_ macro for estream.  */
545 #define GPGRT_ENABLE_ES_MACROS 1
546
547 /* Tell libgcrypt not to use its own libgpg-error implementation. */
548 #define USE_LIBGPG_ERROR 1
549
550 /* Tell Libgcrypt not to include deprecated definitions.  */
551 #define GCRYPT_NO_DEPRECATED 1
552
553 /* Our HTTP code is used in estream mode.  */
554 #define HTTP_USE_ESTREAM 1
555
556 /* Under W32 we do an explicit socket initialization, thus we need to
557    avoid the on-demand initialization which would also install an atexit
558    handler.  */
559 #define HTTP_NO_WSASTARTUP
560
561 /* Under Windows we use the gettext code from libgpg-error.  */
562 #define GPG_ERR_ENABLE_GETTEXT_MACROS
563
564 /* Under WindowsCE we use the strerror replacement from libgpg-error.  */
565 #define GPG_ERR_ENABLE_ERRNO_MACROS
566
567 #endif /*GNUPG_CONFIG_H_INCLUDED*/
568 ])
569
570
571 AM_MAINTAINER_MODE
572 AC_ARG_VAR(SYSROOT,[locate config scripts also below that directory])
573
574 # Checks for programs.
575 AC_MSG_NOTICE([checking for programs])
576 AC_PROG_MAKE_SET
577 AM_SANITY_CHECK
578 missing_dir=`cd $ac_aux_dir && pwd`
579 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
580 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
581 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
582 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
583 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
584 AM_SILENT_RULES
585 AC_PROG_AWK
586 AC_PROG_CC
587 AC_PROG_CPP
588 AM_PROG_CC_C_O
589 if test "x$ac_cv_prog_cc_c89" = "xno" ; then
590   AC_MSG_ERROR([[No C-89 compiler found]])
591 fi
592 AC_PROG_INSTALL
593 AC_PROG_LN_S
594 AC_PROG_RANLIB
595 AC_CHECK_TOOL(AR, ar, :)
596 AC_PATH_PROG(PERL,"perl")
597 AC_CHECK_TOOL(WINDRES, windres, :)
598 AC_ISC_POSIX
599 AC_SYS_LARGEFILE
600 GNUPG_CHECK_USTAR
601
602
603 # We need to compile and run a program on the build machine.  A
604 # comment in libgpg-error says that the AC_PROG_CC_FOR_BUILD macro in
605 # the AC archive is broken for autoconf 2.57.  Given that there is no
606 # newer version of that macro, we assume that it is also broken for
607 # autoconf 2.61 and thus we use a simple but usually sufficient
608 # approach.
609 AC_MSG_CHECKING(for cc for build)
610 if test "$cross_compiling" = "yes"; then
611   CC_FOR_BUILD="${CC_FOR_BUILD-cc}"
612 else
613   CC_FOR_BUILD="${CC_FOR_BUILD-$CC}"
614 fi
615 AC_MSG_RESULT($CC_FOR_BUILD)
616 AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])
617
618 # We need to call this macro because other pkg-config macros are
619 # not always used.
620 PKG_PROG_PKG_CONFIG
621
622
623 try_gettext=yes
624 require_iconv=yes
625 have_dosish_system=no
626 have_w32_system=no
627 have_w32ce_system=no
628 have_android_system=no
629 run_tests=yes
630 use_simple_gettext=no
631 use_ldapwrapper=yes
632 mmap_needed=yes
633 case "${host}" in
634     *-mingw32*)
635         # special stuff for Windoze NT
636         ac_cv_have_dev_random=no
637         AC_DEFINE(USE_ONLY_8DOT3,1,
638                   [Set this to limit filenames to the 8.3 format])
639         AC_DEFINE(USE_SIMPLE_GETTEXT,1,
640                   [Because the Unix gettext has too much overhead on
641                    MingW32 systems and these systems lack Posix functions,
642                    we use a simplified version of gettext])
643         have_dosish_system=yes
644         have_w32_system=yes
645         require_iconv=no
646         run_tests=no
647         use_ldapwrapper=no  # Fixme: Do this only for CE.
648         case "${host}" in
649           *-mingw32ce*)
650             have_w32ce_system=yes
651             ;;
652           *)
653             AC_DEFINE(HAVE_DRIVE_LETTERS,1,
654                       [Defined if the OS supports drive letters.])
655             ;;
656         esac
657         try_gettext="no"
658         use_simple_gettext=yes
659         mmap_needed=no
660         ;;
661     i?86-emx-os2 | i?86-*-os2*emx )
662         # OS/2 with the EMX environment
663         ac_cv_have_dev_random=no
664         AC_DEFINE(HAVE_DRIVE_LETTERS)
665         have_dosish_system=yes
666         try_gettext="no"
667         ;;
668
669     i?86-*-msdosdjgpp*)
670         # DOS with the DJGPP environment
671         ac_cv_have_dev_random=no
672         AC_DEFINE(HAVE_DRIVE_LETTERS)
673         have_dosish_system=yes
674         try_gettext="no"
675         ;;
676
677     *-*-hpux*)
678         if test -z "$GCC" ; then
679             CFLAGS="-Ae -D_HPUX_SOURCE $CFLAGS"
680         fi
681         ;;
682     *-dec-osf4*)
683         if test -z "$GCC" ; then
684             # Suppress all warnings
685             # to get rid of the unsigned/signed char mismatch warnings.
686             CFLAGS="-w $CFLAGS"
687         fi
688         ;;
689     *-dec-osf5*)
690         if test -z "$GCC" ; then
691             # Use the newer compiler `-msg_disable ptrmismatch1' to
692             # get rid of the unsigned/signed char mismatch warnings.
693             # Using this may hide other pointer mismatch warnings, but
694             # it at least lets other warning classes through
695             CFLAGS="-msg_disable ptrmismatch1 $CFLAGS"
696         fi
697         ;;
698     m68k-atari-mint)
699         ;;
700     *-linux-android*)
701         have_android_system=yes
702         # Android is fully utf-8 and we do not want to use iconv to
703         # keeps things simple
704         require_iconv=no
705         run_tests=no
706         ;;
707     *)
708        ;;
709 esac
710
711 if test "$have_dosish_system" = yes; then
712    AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
713              [Defined if we run on some of the PCDOS like systems
714               (DOS, Windoze. OS/2) with special properties like
715               no file modes, case insensitive file names and preferred
716               use of backslashes as directory name separators.])
717 fi
718 AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes)
719
720 AM_CONDITIONAL(USE_SIMPLE_GETTEXT, test x"$use_simple_gettext" = xyes)
721
722 if test "$have_w32_system" = yes; then
723    AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on a W32 API based system])
724    if test "$have_w32ce_system" = yes; then
725       AC_DEFINE(HAVE_W32CE_SYSTEM,1,[Defined if we run on WindowsCE])
726    fi
727 fi
728 AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes)
729 AM_CONDITIONAL(HAVE_W32CE_SYSTEM, test "$have_w32ce_system" = yes)
730
731 if test "$have_android_system" = yes; then
732    AC_DEFINE(HAVE_ANDROID_SYSTEM,1, [Defined if we build for an Android system])
733 fi
734 AM_CONDITIONAL(HAVE_ANDROID_SYSTEM, test "$have_android_system" = yes)
735
736 if test "$run_tests" = yes; then
737    AC_DEFINE(RUN_TESTS,1, [Defined if we should run the tests])
738 fi
739 AM_CONDITIONAL(RUN_TESTS, test "$run_tests" = yes)
740
741
742 # (These need to go after AC_PROG_CC so that $EXEEXT is defined)
743 AC_DEFINE_UNQUOTED(EXEEXT,"$EXEEXT",[The executable file extension, if any])
744
745
746 #
747 # Checks for libraries.
748 #
749 AC_MSG_NOTICE([checking for libraries])
750
751
752 #
753 # libgpg-error is a library with error codes shared between GnuPG
754 # related projects.
755 #
756 AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION",
757                   have_gpg_error=yes,have_gpg_error=no)
758
759
760 #
761 # Libgcrypt is our generic crypto library
762 #
763 AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION",
764         have_libgcrypt=yes,have_libgcrypt=no)
765
766
767 #
768 # libassuan is used for IPC
769 #
770 AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
771                   have_libassuan=yes,have_libassuan=no)
772 if test "$have_libassuan" = "yes"; then
773   AC_DEFINE_UNQUOTED(GNUPG_LIBASSUAN_VERSION, "$libassuan_version",
774                      [version of the libassuan library])
775   show_tor_support="only .onion"
776 fi
777
778
779 #
780 # libksba is our X.509 support library
781 #
782 AM_PATH_KSBA("$NEED_KSBA_API:$NEED_KSBA_VERSION",have_ksba=yes,have_ksba=no)
783
784
785 #
786 # libusb allows us to use the integrated CCID smartcard reader driver.
787 #
788 # FiXME: Use GNUPG_CHECK_LIBUSB and modify to use separate AC_SUBSTs.
789 if test "$use_ccid_driver" = auto || test "$use_ccid_driver" = yes; then
790    case "${host}" in
791      *-mingw32*)
792        LIBUSB_NAME=
793        LIBUSB_LIBS=
794        LIBUSB_CPPFLAGS=
795        ;;
796      *-*-darwin*)
797        LIBUSB_NAME=usb-1.0
798        LIBUSB_LIBS="-Wl,-framework,CoreFoundation -Wl,-framework,IOKit"
799        ;;
800      *-*-freebsd*)
801        # FreeBSD has a native 1.0 compatible library by -lusb.
802        LIBUSB_NAME=usb
803        LIBUSB_LIBS=
804        ;;
805      *)
806        LIBUSB_NAME=usb-1.0
807        LIBUSB_LIBS=
808        ;;
809    esac
810 fi
811 if test x"$LIBUSB_NAME" != x ; then
812    AC_CHECK_LIB($LIBUSB_NAME, libusb_init,
813                 [ LIBUSB_LIBS="-l$LIBUSB_NAME $LIBUSB_LIBS"
814                   have_libusb=yes ])
815    AC_MSG_CHECKING([libusb include dir])
816    usb_incdir_found="no"
817    for _incdir in "" "/usr/include/libusb-1.0" "/usr/local/include/libusb-1.0"; do
818      _libusb_save_cppflags=$CPPFLAGS
819      if test -n "${_incdir}"; then
820        CPPFLAGS="-I${_incdir} ${CPPFLAGS}"
821      fi
822      AC_PREPROC_IFELSE([AC_LANG_SOURCE([[@%:@include <libusb.h>]])],
823      [usb_incdir=${_incdir}; usb_incdir_found="yes"], [])
824      CPPFLAGS=${_libusb_save_cppflags}
825      if test "$usb_incdir_found" = "yes"; then
826        break
827      fi
828    done
829    if test "$usb_incdir_found" = "yes"; then
830      AC_MSG_RESULT([${usb_incdir}])
831    else
832      AC_MSG_RESULT([not found])
833      usb_incdir=""
834      have_libusb=no
835      if test "$use_ccid_driver" != yes; then
836        use_ccid_driver=no
837      fi
838      LIBUSB_LIBS=""
839    fi
840
841    if test "$have_libusb" = yes; then
842      AC_DEFINE(HAVE_LIBUSB,1, [defined if libusb is available])
843    fi
844    if test x"$usb_incdir" = x; then
845      LIBUSB_CPPFLAGS=""
846    else
847      LIBUSB_CPPFLAGS="-I${usb_incdir}"
848    fi
849 fi
850 AC_SUBST(LIBUSB_LIBS)
851 AC_SUBST(LIBUSB_CPPFLAGS)
852
853 #
854 # Check wether it is necessary to link against libdl.
855 # (For example to load libpcsclite)
856 #
857 gnupg_dlopen_save_libs="$LIBS"
858 LIBS=""
859 AC_SEARCH_LIBS(dlopen, c dl,,,)
860 DL_LIBS=$LIBS
861 AC_SUBST(DL_LIBS)
862 LIBS="$gnupg_dlopen_save_libs"
863
864
865 # Checks for g10
866
867 AC_ARG_ENABLE(sqlite,
868                 AC_HELP_STRING([--disable-sqlite],
869                                [disable the use of SQLITE]),
870               try_sqlite=$enableval, try_sqlite=yes)
871
872 if test x"$use_tofu" = xyes ; then
873   if test x"$try_sqlite" = xyes ; then
874     PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= $NEED_SQLITE_VERSION],
875                                  [have_sqlite=yes],
876                                  [have_sqlite=no])
877   fi
878   if test "$have_sqlite" = "yes"; then
879     :
880     AC_SUBST([SQLITE3_CFLAGS])
881     AC_SUBST([SQLITE3_LIBS])
882   else
883     use_tofu=no
884     tmp=$(echo "$SQLITE3_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
885     AC_MSG_WARN([[
886 ***
887 *** Building without SQLite support - TOFU disabled
888 ***
889 *** $tmp]])
890   fi
891 fi
892
893 AM_CONDITIONAL(SQLITE3, test "$have_sqlite" = "yes")
894
895 if test x"$use_tofu" = xyes ; then
896     AC_DEFINE(USE_TOFU, 1, [Enable to build the TOFU code])
897 fi
898
899
900 # Checks for g13
901
902 AC_PATH_PROG(ENCFS, encfs, /usr/bin/encfs)
903 AC_DEFINE_UNQUOTED(ENCFS,
904         "${ENCFS}", [defines the filename of the encfs program])
905
906 AC_PATH_PROG(FUSERMOUNT, fusermount, /usr/bin/fusermount)
907 AC_DEFINE_UNQUOTED(FUSERMOUNT,
908         "${FUSERMOUNT}", [defines the filename of the fusermount program])
909
910
911 # Checks for dirmngr
912
913
914 #
915 # Checks for symcryptrun:
916 #
917
918 # libutil has openpty() and login_tty().
919 AC_CHECK_LIB(util, openpty,
920               [ LIBUTIL_LIBS="$LIBUTIL_LIBS -lutil"
921                 AC_DEFINE(HAVE_LIBUTIL,1,
922                          [defined if libutil is available])
923              ])
924 AC_SUBST(LIBUTIL_LIBS)
925
926 # shred is used to clean temporary plain text files.
927 AC_PATH_PROG(SHRED, shred, /usr/bin/shred)
928 AC_DEFINE_UNQUOTED(SHRED,
929         "${SHRED}", [defines the filename of the shred program])
930
931
932 #
933 # Check whether the nPth library is available
934 #
935 AM_PATH_NPTH("$NEED_NPTH_API:$NEED_NPTH_VERSION",have_npth=yes,have_npth=no)
936 if test "$have_npth" = "yes"; then
937   AC_DEFINE(HAVE_NPTH, 1,
938               [Defined if the New Portable Thread Library is available])
939   AC_DEFINE(USE_NPTH, 1,
940               [Defined if support for nPth is requested and nPth is available])
941 else
942   AC_MSG_WARN([[
943 ***
944 *** To support concurrent access for example in gpg-agent and the SCdaemon
945 *** we need the support of the New Portable Threads Library.
946 ***]])
947 fi
948
949
950 #
951 # NTBTLS is our TLS library.  If it is not available fallback to
952 # GNUTLS.
953 #
954 AC_ARG_ENABLE(ntbtls,
955               AC_HELP_STRING([--disable-ntbtls],
956                              [disable the use of NTBTLS as TLS library]),
957               try_ntbtls=$enableval, try_ntbtls=yes)
958 if test x"$try_ntbtls" = xyes ; then
959   AM_PATH_NTBTLS("$NEED_NTBTLS_API:$NEED_NTBTLS_VERSION",
960                  [have_ntbtls=yes],[have_ntbtls=no])
961 fi
962 if test "$have_ntbtls" = yes ; then
963    use_tls_library=ntbtls
964    AC_DEFINE(HTTP_USE_NTBTLS, 1, [Enable NTBTLS support in http.c])
965 else
966   AC_ARG_ENABLE(gnutls,
967                 AC_HELP_STRING([--disable-gnutls],
968                                [disable GNUTLS as fallback TLS library]),
969                 try_gnutls=$enableval, try_gnutls=yes)
970   if test x"$try_gnutls" = xyes ; then
971     PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= $NEED_GNUTLS_VERSION],
972                                    [have_gnutls=yes],
973                                    [have_gnutls=no])
974   fi
975   if test "$have_gnutls" = "yes"; then
976     AC_SUBST([LIBGNUTLS_CFLAGS])
977     AC_SUBST([LIBGNUTLS_LIBS])
978     use_tls_library=gnutls
979     AC_DEFINE(HTTP_USE_GNUTLS, 1, [Enable GNUTLS support in http.c])
980   else
981     tmp=$(echo "$LIBGNUTLS_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
982     AC_MSG_WARN([[
983 ***
984 *** Building without NTBTLS and GNUTLS - no TLS access to keyservers.
985 ***
986 *** $tmp]])
987   fi
988 fi
989
990
991 AC_MSG_NOTICE([checking for networking options])
992
993 #
994 # Must check for network library requirements before doing link tests
995 # for ldap, for example. If ldap libs are static (or dynamic and without
996 # ELF runtime link paths), then link will fail and LDAP support won't
997 # be detected.
998 #
999 AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname,
1000         [NETLIBS="-lnsl $NETLIBS"]))
1001 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
1002         [NETLIBS="-lsocket $NETLIBS"]))
1003
1004
1005 #
1006 # Check for ADNS.
1007 #
1008 _cppflags="${CPPFLAGS}"
1009 _ldflags="${LDFLAGS}"
1010 AC_ARG_WITH(adns,
1011             AC_HELP_STRING([--with-adns=DIR],
1012                            [look for the adns library in DIR]),
1013             [if test -d "$withval"; then
1014                CPPFLAGS="${CPPFLAGS} -I$withval/include"
1015                LDFLAGS="${LDFLAGS} -L$withval/lib"
1016              fi])
1017 if test "$with_adns" != "no"; then
1018   AC_CHECK_HEADERS(adns.h,AC_CHECK_LIB(adns, adns_init_strcfg,[have_adns=yes]))
1019   AC_CHECK_FUNCS(adns_free)
1020   AC_MSG_CHECKING([if adns supports adns_if_tormode])
1021   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1022     #include <adns.h>
1023     adns_initflags flags = adns_if_tormode;
1024   ]],[])],[adns_if_tormode=yes],[adns_if_tormode=no])
1025   AC_MSG_RESULT($adns_if_tormode)
1026   if test x"$adns_if_tormode" = xyes; then
1027     AC_DEFINE(HAVE_ADNS_IF_TORMODE,1,[define if adns_if_tormode is available])
1028     if test "$show_tor_support" != "no"; then
1029       show_tor_support=yes
1030     fi
1031   fi
1032 fi
1033 CPPFLAGS=${_cppflags}
1034 LDFLAGS=${_ldflags}
1035 if test "$have_adns" = "yes"; then
1036   ADNSLIBS="-ladns"
1037 fi
1038
1039
1040 #
1041 # Now try for the resolver functions so we can use DNS for SRV, PA and CERT.
1042 #
1043 AC_ARG_ENABLE(dns-srv,
1044               AC_HELP_STRING([--disable-dns-srv],
1045                              [disable the use of DNS SRV in HKP and HTTP]),
1046               use_dns_srv=$enableval,use_dns_srv=yes)
1047
1048 AC_ARG_ENABLE(dns-cert,
1049    AC_HELP_STRING([--disable-dns-cert],
1050         [disable the use of CERT records in DNS]),
1051    use_dns_cert=$enableval,use_dns_cert=yes)
1052
1053 if test x"$use_dns_srv" = xyes || test x"$use_dns_cert" = xyes; then
1054   _dns_save_libs=$LIBS
1055   LIBS=""
1056
1057   if test x"$have_adns" = xyes ; then
1058     # We prefer ADNS.
1059     DNSLIBS="$ADNSLIBS"
1060     AC_DEFINE(USE_ADNS,1,[Use ADNS as resolver library.])
1061
1062     if test x"$use_dns_srv" = xyes ; then
1063         AC_DEFINE(USE_DNS_SRV,1)
1064     fi
1065
1066     if test x"$use_dns_cert" = xyes ; then
1067         AC_DEFINE(USE_DNS_CERT,1,[define to use DNS CERT])
1068     fi
1069   else
1070     # With no ADNS find the system resolver.
1071
1072     # the double underscore thing is a glibc-ism?
1073     AC_SEARCH_LIBS(res_query,resolv bind,,
1074                    AC_SEARCH_LIBS(__res_query,resolv bind,,have_resolver=no))
1075     AC_SEARCH_LIBS(dn_expand,resolv bind,,
1076                    AC_SEARCH_LIBS(__dn_expand,resolv bind,,have_resolver=no))
1077     AC_SEARCH_LIBS(dn_skipname,resolv bind,,
1078                    AC_SEARCH_LIBS(__dn_skipname,resolv bind,,have_resolver=no))
1079
1080     if test x"$have_resolver" != xno ; then
1081
1082       # Make sure that the BIND 4 resolver interface is workable before
1083       # enabling any code that calls it.  At some point I'll rewrite the
1084       # code to use the BIND 8 resolver API.
1085       # We might also want to use adns instead.  Problem with ADNS is that
1086       # it does not support v6.
1087
1088       AC_MSG_CHECKING([whether the resolver is usable])
1089       AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1090 #include <netinet/in.h>
1091 #include <arpa/nameser.h>
1092 #include <resolv.h>]],
1093 [[unsigned char answer[PACKETSZ];
1094   res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);
1095   dn_skipname(0,0);
1096   dn_expand(0,0,0,0,0);
1097 ]])],have_resolver=yes,have_resolver=no)
1098       AC_MSG_RESULT($have_resolver)
1099
1100       # This is Apple-specific and somewhat bizarre as they changed the
1101       # define in bind 8 for some reason.
1102
1103       if test x"$have_resolver" != xyes ; then
1104          AC_MSG_CHECKING(
1105              [whether I can make the resolver usable with BIND_8_COMPAT])
1106         AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define BIND_8_COMPAT
1107 #include <sys/types.h>
1108 #include <netinet/in.h>
1109 #include <arpa/nameser.h>
1110 #include <resolv.h>]],
1111 [[unsigned char answer[PACKETSZ];
1112   res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);
1113   dn_skipname(0,0); dn_expand(0,0,0,0,0);
1114 ]])],[have_resolver=yes ; need_compat=yes])
1115          AC_MSG_RESULT($have_resolver)
1116       fi
1117     fi
1118
1119     if test x"$have_resolver" = xyes ; then
1120       DNSLIBS=$LIBS
1121
1122       if test x"$use_dns_srv" = xyes ; then
1123          AC_DEFINE(USE_DNS_SRV,1,[define to use DNS SRV])
1124       fi
1125
1126       if test x"$use_dns_cert" = xyes ; then
1127         AC_DEFINE(USE_DNS_CERT,1,[define to use DNS CERT])
1128       fi
1129
1130       if test x"$need_compat" = xyes ; then
1131         AC_DEFINE(BIND_8_COMPAT,1,[an Apple OSXism])
1132       fi
1133     else
1134       use_dns_srv=no
1135       use_dns_cert=no
1136     fi
1137   fi
1138
1139   LIBS=$_dns_save_libs
1140 fi
1141
1142 AC_SUBST(DNSLIBS)
1143
1144 AM_CONDITIONAL(USE_DNS_SRV, test x"$use_dns_srv" = xyes)
1145
1146
1147 #
1148 # Check for LDAP
1149 #
1150 # Note that running the check changes the variable
1151 # gnupg_have_ldap from "n/a" to "no" or "yes".
1152
1153 AC_ARG_ENABLE(ldap,
1154     AC_HELP_STRING([--disable-ldap],[disable LDAP support]),
1155     [if test "$enableval" = "no"; then gnupg_have_ldap=no; fi])
1156
1157 if test "$gnupg_have_ldap" != "no" ; then
1158   if test "$build_dirmngr" = "yes" ; then
1159      GNUPG_CHECK_LDAP($NETLIBS)
1160      AC_CHECK_LIB(lber, ber_free,
1161                   [ LBER_LIBS="$LBER_LIBS -llber"
1162                     AC_DEFINE(HAVE_LBER,1,
1163                              [defined if liblber is available])
1164                     have_lber=yes
1165                  ])
1166   fi
1167 fi
1168 AC_SUBST(LBER_LIBS)
1169 if test "$gnupg_have_ldap" = "no"; then
1170     AC_MSG_WARN([[
1171 ***
1172 *** Building without LDAP support.
1173 *** No CRL access or X.509 certificate search available.
1174 ***]])
1175 fi
1176
1177 AM_CONDITIONAL(USE_LDAP, [test "$gnupg_have_ldap" = yes])
1178 if test "$gnupg_have_ldap" = yes ; then
1179   AC_DEFINE(USE_LDAP,1,[Defined if LDAP is support])
1180 else
1181  use_ldapwrapper=no
1182 fi
1183
1184 if test "$use_ldapwrapper" = yes; then
1185    AC_DEFINE(USE_LDAPWRAPPER,1, [Build dirmngr with LDAP wrapper process])
1186 fi
1187 AM_CONDITIONAL(USE_LDAPWRAPPER, test "$use_ldapwrapper" = yes)
1188
1189
1190
1191
1192 #
1193 # Check for sendmail
1194 #
1195 # This isn't necessarily sendmail itself, but anything that gives a
1196 # sendmail-ish interface to the outside world.  That includes Exim,
1197 # Postfix, etc.  Basically, anything that can handle "sendmail -t".
1198 AC_ARG_WITH(mailprog,
1199       AC_HELP_STRING([--with-mailprog=NAME],
1200                      [use "NAME -t" for mail transport]),
1201              ,with_mailprog=yes)
1202 if test x"$with_mailprog" = xyes ; then
1203     AC_PATH_PROG(SENDMAIL,sendmail,,$PATH:/usr/sbin:/usr/libexec:/usr/lib)
1204 elif test x"$with_mailprog" != xno ; then
1205     AC_MSG_CHECKING([for a mail transport program])
1206     AC_SUBST(SENDMAIL,$with_mailprog)
1207     AC_MSG_RESULT($with_mailprog)
1208 fi
1209
1210
1211 #
1212 # Construct a printable name of the OS
1213 #
1214 case "${host}" in
1215     *-mingw32ce*)
1216         PRINTABLE_OS_NAME="W32CE"
1217         ;;
1218     *-mingw32*)
1219         PRINTABLE_OS_NAME="MingW32"
1220         ;;
1221     *-*-cygwin*)
1222         PRINTABLE_OS_NAME="Cygwin"
1223         ;;
1224     i?86-emx-os2 | i?86-*-os2*emx )
1225         PRINTABLE_OS_NAME="OS/2"
1226         ;;
1227     i?86-*-msdosdjgpp*)
1228         PRINTABLE_OS_NAME="MSDOS/DJGPP"
1229         try_dynload=no
1230         ;;
1231     *-linux*)
1232         PRINTABLE_OS_NAME="GNU/Linux"
1233         ;;
1234     *)
1235         PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
1236         ;;
1237 esac
1238 AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME",
1239                    [A human readable text with the name of the OS])
1240
1241
1242 #
1243 # Checking for iconv
1244 #
1245 if test "$require_iconv" = yes; then
1246   AM_ICONV
1247 else
1248   LIBICONV=
1249   LTLIBICONV=
1250   AC_SUBST(LIBICONV)
1251   AC_SUBST(LTLIBICONV)
1252 fi
1253
1254
1255 #
1256 # Check for gettext
1257 #
1258 # This is "GNU gnupg" - The project-id script from gettext
1259 #                       needs this string
1260 #
1261 AC_MSG_NOTICE([checking for gettext])
1262 AM_PO_SUBDIRS
1263 AM_GNU_GETTEXT_VERSION([0.17])
1264 if test "$try_gettext" = yes; then
1265   AM_GNU_GETTEXT([external],[need-ngettext])
1266
1267   # gettext requires some extra checks.  These really should be part of
1268   # the basic AM_GNU_GETTEXT macro.  TODO: move other gettext-specific
1269   # function checks to here.
1270
1271   AC_CHECK_FUNCS(strchr)
1272 else
1273   USE_NLS=no
1274   USE_INCLUDED_LIBINTL=no
1275   BUILD_INCLUDED_LIBINTL=no
1276   POSUB=po
1277   AC_SUBST(USE_NLS)
1278   AC_SUBST(USE_INCLUDED_LIBINTL)
1279   AC_SUBST(BUILD_INCLUDED_LIBINTL)
1280   AC_SUBST(POSUB)
1281 fi
1282
1283 # We use HAVE_LANGINFO_CODESET in a couple of places.
1284 AM_LANGINFO_CODESET
1285
1286 # Checks required for our use of locales
1287 gt_LC_MESSAGES
1288
1289
1290 #
1291 # SELinux support
1292 #
1293 if test "$selinux_support" = yes ; then
1294   AC_DEFINE(ENABLE_SELINUX_HACKS,1,[Define to enable SELinux support])
1295 fi
1296
1297
1298 #
1299 # Checks for header files.
1300 #
1301 AC_MSG_NOTICE([checking for header files])
1302 AC_HEADER_STDC
1303 AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h \
1304                   pty.h utmp.h pwd.h inttypes.h signal.h sys/select.h     \
1305                   signal.h])
1306 AC_HEADER_TIME
1307
1308
1309 #
1310 # Checks for typedefs, structures, and compiler characteristics.
1311 #
1312 AC_MSG_NOTICE([checking for system characteristics])
1313 AC_C_CONST
1314 AC_C_INLINE
1315 AC_C_VOLATILE
1316 AC_TYPE_SIZE_T
1317 AC_TYPE_MODE_T
1318 AC_TYPE_SIGNAL
1319 AC_DECL_SYS_SIGLIST
1320
1321 gl_HEADER_SYS_SOCKET
1322 gl_TYPE_SOCKLEN_T
1323
1324 AC_SEARCH_LIBS([inet_addr], [nsl])
1325
1326 AC_ARG_ENABLE(endian-check,
1327               AC_HELP_STRING([--disable-endian-check],
1328               [disable the endian check and trust the OS provided macros]),
1329               endiancheck=$enableval,endiancheck=yes)
1330
1331 if test x"$endiancheck" = xyes ; then
1332   GNUPG_CHECK_ENDIAN
1333 fi
1334
1335 # fixme: we should get rid of the byte type
1336 GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
1337 GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
1338 GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
1339 GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
1340 GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
1341
1342 AC_CHECK_SIZEOF(unsigned short)
1343 AC_CHECK_SIZEOF(unsigned int)
1344 AC_CHECK_SIZEOF(unsigned long)
1345 AC_CHECK_SIZEOF(unsigned long long)
1346 AC_HEADER_TIME
1347 AC_CHECK_SIZEOF(time_t,,[[
1348 #include <stdio.h>
1349 #if TIME_WITH_SYS_TIME
1350 # include <sys/time.h>
1351 # include <time.h>
1352 #else
1353 # if HAVE_SYS_TIME_H
1354 #  include <sys/time.h>
1355 # else
1356 #  include <time.h>
1357 # endif
1358 #endif
1359 ]])
1360 GNUPG_TIME_T_UNSIGNED
1361
1362
1363 if test "$ac_cv_sizeof_unsigned_short" = "0" \
1364    || test "$ac_cv_sizeof_unsigned_int" = "0" \
1365    || test "$ac_cv_sizeof_unsigned_long" = "0"; then
1366     AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]);
1367 fi
1368
1369
1370 #
1371 # Checks for library functions.
1372 #
1373 AC_MSG_NOTICE([checking for library functions])
1374 AC_CHECK_DECLS(getpagesize)
1375 AC_FUNC_FSEEKO
1376 AC_FUNC_VPRINTF
1377 AC_FUNC_FORK
1378 AC_CHECK_FUNCS([strerror strlwr tcgetattr mmap canonicalize_file_name])
1379 AC_CHECK_FUNCS([strcasecmp strncasecmp ctermid times gmtime_r strtoull])
1380 AC_CHECK_FUNCS([setenv unsetenv fcntl ftruncate inet_ntop])
1381 AC_CHECK_FUNCS([canonicalize_file_name])
1382 AC_CHECK_FUNCS([gettimeofday getrusage getrlimit setrlimit clock_gettime])
1383 AC_CHECK_FUNCS([atexit raise getpagesize strftime nl_langinfo setlocale])
1384 AC_CHECK_FUNCS([waitpid wait4 sigaction sigprocmask pipe getaddrinfo])
1385 AC_CHECK_FUNCS([ttyname rand ftello fsync stat lstat])
1386 AC_CHECK_FUNCS([memicmp stpcpy strsep strlwr strtoul memmove stricmp strtol \
1387                 memrchr isascii timegm getrusage setrlimit stat setlocale   \
1388                 flockfile funlockfile getpwnam getpwuid \
1389                 getenv inet_pton strpbrk])
1390
1391 # See whether libc supports the Linux inotify interface
1392 case "${host}" in
1393     *-*-linux*)
1394         AC_CHECK_FUNCS([inotify_init])
1395         ;;
1396 esac
1397
1398
1399 if test "$have_android_system" = yes; then
1400    # On Android ttyname is a stub but prints an error message.
1401    AC_DEFINE(HAVE_BROKEN_TTYNAME,1,
1402              [Defined if ttyname does not work properly])
1403 fi
1404
1405 AC_CHECK_TYPES([struct sigaction, sigset_t],,,[#include <signal.h>])
1406
1407 # Dirmngr requires mmap on Unix systems.
1408 if test $ac_cv_func_mmap != yes -a $mmap_needed = yes; then
1409   AC_MSG_ERROR([[Sorry, the current implemenation requires mmap.]])
1410 fi
1411
1412 #
1413 # W32 specific test
1414 #
1415 GNUPG_FUNC_MKDIR_TAKES_ONE_ARG
1416
1417 #
1418 # Sanity check regex.  Tests adapted from mutt.
1419 #
1420 AC_MSG_CHECKING([whether regular expression support is requested])
1421 AC_ARG_ENABLE(regex,
1422   AC_HELP_STRING([--disable-regex],
1423     [do not handle regular expressions in trust signatures]),
1424   use_regex=$enableval, use_regex=yes)
1425 AC_MSG_RESULT($use_regex)
1426
1427 if test "$use_regex" = yes ; then
1428   _cppflags="${CPPFLAGS}"
1429   _ldflags="${LDFLAGS}"
1430   AC_ARG_WITH(regex,
1431      AC_HELP_STRING([--with-regex=DIR],[look for regex in DIR]),
1432       [
1433       if test -d "$withval" ; then
1434         CPPFLAGS="${CPPFLAGS} -I$withval/include"
1435         LDFLAGS="${LDFLAGS} -L$withval/lib"
1436       fi
1437       ],withval="")
1438
1439   # Does the system have regex functions at all?
1440   AC_SEARCH_LIBS([regcomp], [regex])
1441   AC_CHECK_FUNC(regcomp, gnupg_cv_have_regex=yes, gnupg_cv_have_regex=no)
1442
1443   if test $gnupg_cv_have_regex = no; then
1444     use_regex=no
1445   else
1446     if test x"$cross_compiling" = xyes; then
1447       AC_MSG_WARN([cross compiling; assuming regexp libray is not broken])
1448     else
1449       AC_CACHE_CHECK([whether your system's regexp library is broken],
1450        [gnupg_cv_regex_broken],
1451        AC_TRY_RUN([
1452 #include <unistd.h>
1453 #include <regex.h>
1454 main() { regex_t blah ; regmatch_t p; p.rm_eo = p.rm_eo; return regcomp(&blah, "foo.*bar", REG_NOSUB) || regexec (&blah, "foobar", 0, NULL, 0); }],
1455        gnupg_cv_regex_broken=no, gnupg_cv_regex_broken=yes, gnupg_cv_regex_broken=yes))
1456
1457       if test $gnupg_cv_regex_broken = yes; then
1458         AC_MSG_WARN([your regex is broken - disabling regex use])
1459         use_regex=no
1460       fi
1461     fi
1462   fi
1463   CPPFLAGS="${_cppflags}"
1464   LDFLAGS="${_ldflags}"
1465 fi
1466
1467 if test "$use_regex" != yes ; then
1468   AC_DEFINE(DISABLE_REGEX,1, [Define to disable regular expression support])
1469 fi
1470 AM_CONDITIONAL(DISABLE_REGEX, test x"$use_regex" != xyes)
1471
1472
1473
1474 #
1475 # Do we have zlib? Must do it here because Solaris failed
1476 # when compiling a conftest (due to the "-lz" from LIBS).
1477 # Note that we combine zlib and bzlib2 in ZLIBS.
1478 #
1479 if test "$use_zip" = yes ; then
1480   _cppflags="${CPPFLAGS}"
1481   _ldflags="${LDFLAGS}"
1482   AC_ARG_WITH(zlib,
1483     [  --with-zlib=DIR         use libz in DIR],[
1484       if test -d "$withval"; then
1485         CPPFLAGS="${CPPFLAGS} -I$withval/include"
1486         LDFLAGS="${LDFLAGS} -L$withval/lib"
1487       fi
1488     ])
1489
1490   AC_CHECK_HEADER(zlib.h,
1491      AC_CHECK_LIB(z, deflateInit2_,
1492        [
1493        ZLIBS="-lz"
1494        AC_DEFINE(HAVE_ZIP,1, [Defined if ZIP and ZLIB are supported])
1495        ],
1496        CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
1497        CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags})
1498 fi
1499
1500
1501 #
1502 # Check whether we can support bzip2
1503 #
1504 if test "$use_bzip2" = yes ; then
1505   _cppflags="${CPPFLAGS}"
1506   _ldflags="${LDFLAGS}"
1507   AC_ARG_WITH(bzip2,
1508      AC_HELP_STRING([--with-bzip2=DIR],[look for bzip2 in DIR]),
1509       [
1510       if test -d "$withval" ; then
1511         CPPFLAGS="${CPPFLAGS} -I$withval/include"
1512         LDFLAGS="${LDFLAGS} -L$withval/lib"
1513       fi
1514       ],withval="")
1515
1516   # Checking alongside stdio.h as an early version of bzip2 (1.0)
1517   # required stdio.h to be included before bzlib.h, and Solaris 9 is
1518   # woefully out of date.
1519   if test "$withval" != no ; then
1520      AC_CHECK_HEADER(bzlib.h,
1521         AC_CHECK_LIB(bz2,BZ2_bzCompressInit,
1522           [
1523           have_bz2=yes
1524           ZLIBS="$ZLIBS -lbz2"
1525           AC_DEFINE(HAVE_BZIP2,1,
1526                   [Defined if the bz2 compression library is available])
1527           ],
1528           CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
1529           CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags},[#include <stdio.h>])
1530   fi
1531 fi
1532 AM_CONDITIONAL(ENABLE_BZIP2_SUPPORT,test x"$have_bz2" = "xyes")
1533 AC_SUBST(ZLIBS)
1534
1535
1536 # Check for readline support
1537 GNUPG_CHECK_READLINE
1538
1539
1540 if test "$development_version" = yes; then
1541     AC_DEFINE(IS_DEVELOPMENT_VERSION,1,
1542             [Defined if this is not a regular release])
1543 fi
1544
1545 AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes)
1546
1547 GNUPG_CHECK_GNUMAKE
1548
1549 # Add some extra libs here so that previous tests don't fail for
1550 # mysterious reasons - the final link step should bail out.
1551 # W32SOCKLIBS is also defined so that if can be used for tools not
1552 # requiring any network stuff but linking to code in libcommon which
1553 # tracks in winsock stuff (e.g. init_common_subsystems).
1554 if test "$have_w32_system" = yes; then
1555    if test "$have_w32ce_system" = yes; then
1556      W32SOCKLIBS="-lws2"
1557    else
1558      W32SOCKLIBS="-lws2_32"
1559    fi
1560    NETLIBS="${NETLIBS} ${W32SOCKLIBS}"
1561 fi
1562
1563 AC_SUBST(NETLIBS)
1564 AC_SUBST(W32SOCKLIBS)
1565
1566 #
1567 # Setup gcc specific options
1568 #
1569 AC_MSG_NOTICE([checking for cc features])
1570 if test "$GCC" = yes; then
1571     mycflags=
1572     mycflags_save=$CFLAGS
1573
1574     # Check whether gcc does not emit a diagnositc for unknow -Wno-*
1575     # options.  This is the case for gcc >= 4.6
1576     AC_MSG_CHECKING([if gcc ignores unknown -Wno-* options])
1577     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1578 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6 )
1579 #kickerror
1580 #endif]],[])],[_gcc_silent_wno=yes],[_gcc_silent_wno=no])
1581     AC_MSG_RESULT($_gcc_silent_wno)
1582
1583     # Note that it is okay to use CFLAGS here because these are just
1584     # warning options and the user should have a chance of overriding
1585     # them.
1586     if test "$USE_MAINTAINER_MODE" = "yes"; then
1587         mycflags="$mycflags -O3 -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
1588         mycflags="$mycflags -Wformat -Wno-format-y2k -Wformat-security"
1589         if test x"$_gcc_silent_wno" = xyes ; then
1590           _gcc_wopt=yes
1591         else
1592           AC_MSG_CHECKING([if gcc supports -Wno-missing-field-initializers])
1593           CFLAGS="-Wno-missing-field-initializers"
1594           AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
1595                             [_gcc_wopt=yes],[_gcc_wopt=no])
1596           AC_MSG_RESULT($_gcc_wopt)
1597         fi
1598         if test x"$_gcc_wopt" = xyes ; then
1599           mycflags="$mycflags -W -Wno-sign-compare"
1600           mycflags="$mycflags -Wno-missing-field-initializers"
1601         fi
1602
1603         AC_MSG_CHECKING([if gcc supports -Wdeclaration-after-statement])
1604         CFLAGS="-Wdeclaration-after-statement"
1605         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no)
1606         AC_MSG_RESULT($_gcc_wopt)
1607         if test x"$_gcc_wopt" = xyes ; then
1608           mycflags="$mycflags -Wdeclaration-after-statement"
1609         fi
1610     else
1611         mycflags="$mycflags -Wall"
1612     fi
1613
1614     if test x"$_gcc_silent_wno" = xyes ; then
1615       _gcc_psign=yes
1616     else
1617       AC_MSG_CHECKING([if gcc supports -Wno-pointer-sign])
1618       CFLAGS="-Wno-pointer-sign"
1619       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
1620                         [_gcc_psign=yes],[_gcc_psign=no])
1621       AC_MSG_RESULT($_gcc_psign)
1622     fi
1623     if test x"$_gcc_psign" = xyes ; then
1624        mycflags="$mycflags -Wno-pointer-sign"
1625     fi
1626
1627     AC_MSG_CHECKING([if gcc supports -Wpointer-arith])
1628     CFLAGS="-Wpointer-arith"
1629     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_psign=yes,_gcc_psign=no)
1630     AC_MSG_RESULT($_gcc_psign)
1631     if test x"$_gcc_psign" = xyes ; then
1632        mycflags="$mycflags -Wpointer-arith"
1633     fi
1634
1635     CFLAGS="$mycflags $mycflags_save"
1636 fi
1637
1638
1639 #
1640 # This is handy for debugging so the compiler doesn't rearrange
1641 # things and eliminate variables.
1642 #
1643 AC_ARG_ENABLE(optimization,
1644    AC_HELP_STRING([--disable-optimization],
1645                   [disable compiler optimization]),
1646                   [if test $enableval = no ; then
1647                       CFLAGS=`echo $CFLAGS | sed s/-O[[1-9]]\ /-O0\ /g`
1648                    fi])
1649
1650 #
1651 # Add user CFLAGS.
1652 #
1653 CFLAGS="$CFLAGS $CFLAGS_orig"
1654
1655 #
1656 # Decide what to build
1657 #
1658
1659 build_scdaemon_extra=""
1660 if test "$build_scdaemon" = "yes"; then
1661   if test $have_libusb = no; then
1662      build_scdaemon_extra="without internal CCID driver"
1663   fi
1664   if test -n "$build_scdaemon_extra"; then
1665      build_scdaemon_extra="(${build_scdaemon_extra})"
1666   fi
1667 fi
1668
1669
1670 #
1671 # Set variables for use by automake makefiles.
1672 #
1673 AM_CONDITIONAL(BUILD_GPG,         test "$build_gpg" = "yes")
1674 AM_CONDITIONAL(BUILD_GPGSM,       test "$build_gpgsm" = "yes")
1675 AM_CONDITIONAL(BUILD_AGENT,       test "$build_agent" = "yes")
1676 AM_CONDITIONAL(BUILD_SCDAEMON,    test "$build_scdaemon" = "yes")
1677 AM_CONDITIONAL(BUILD_G13,         test "$build_g13" = "yes")
1678 AM_CONDITIONAL(BUILD_DIRMNGR,     test "$build_dirmngr" = "yes")
1679 AM_CONDITIONAL(BUILD_TOOLS,       test "$build_tools" = "yes")
1680 AM_CONDITIONAL(BUILD_DOC,         test "$build_doc" = "yes")
1681 AM_CONDITIONAL(BUILD_SYMCRYPTRUN, test "$build_symcryptrun" = "yes")
1682 AM_CONDITIONAL(BUILD_GPGTAR,      test "$build_gpgtar" = "yes")
1683 AM_CONDITIONAL(BUILD_WKS_TOOLS,   test "$build_wks_tools" = "yes")
1684
1685 AM_CONDITIONAL(ENABLE_CARD_SUPPORT, test "$card_support" = yes)
1686 AM_CONDITIONAL(NO_TRUST_MODELS,     test "$use_trust_models" = no)
1687 AM_CONDITIONAL(USE_TOFU,            test "$use_tofu" = yes)
1688
1689 AM_CONDITIONAL(RUN_GPG_TESTS,
1690                test x$cross_compiling = xno -a "$build_gpg" = yes )
1691
1692 #
1693 # Set some defines for use gpgconf.
1694 #
1695 if test "$build_gpg" = yes ; then
1696     AC_DEFINE(BUILD_WITH_GPG,1,[Defined if GPG is to be build])
1697 fi
1698 if test "$build_gpgsm" = yes ; then
1699     AC_DEFINE(BUILD_WITH_GPGSM,1,[Defined if GPGSM is to be build])
1700 fi
1701 if test "$build_agent" = yes ; then
1702     AC_DEFINE(BUILD_WITH_AGENT,1,[Defined if GPG-AGENT is to be build])
1703 fi
1704 if test "$build_scdaemon" = yes ; then
1705     AC_DEFINE(BUILD_WITH_SCDAEMON,1,[Defined if SCDAEMON is to be build])
1706 fi
1707 if test "$build_dirmngr" = yes ; then
1708     AC_DEFINE(BUILD_WITH_DIRMNGR,1,[Defined if SCDAEMON is to be build])
1709 fi
1710 if test "$build_g13" = yes ; then
1711     AC_DEFINE(BUILD_WITH_G13,1,[Defined if G13 is to be build])
1712 fi
1713
1714
1715 #
1716 # Define Name strings
1717 #
1718 AC_DEFINE_UNQUOTED(GNUPG_NAME, "GnuPG", [The name of the project])
1719
1720 AC_DEFINE_UNQUOTED(GPG_NAME, "gpg", [The name of the OpenPGP tool])
1721 AC_DEFINE_UNQUOTED(GPG_DISP_NAME, "GnuPG", [The displayed name of gpg])
1722
1723 AC_DEFINE_UNQUOTED(GPGSM_NAME, "gpgsm", [The name of the S/MIME tool])
1724 AC_DEFINE_UNQUOTED(GPGSM_DISP_NAME, "GPGSM", [The displayed name of gpgsm])
1725
1726 AC_DEFINE_UNQUOTED(GPG_AGENT_NAME, "gpg-agent", [The name of the agent])
1727 AC_DEFINE_UNQUOTED(GPG_AGENT_DISP_NAME, "GPG Agent",
1728                                         [The displayed name of gpg-agent])
1729
1730 AC_DEFINE_UNQUOTED(SCDAEMON_NAME, "scdaemon", [The name of the scdaemon])
1731 AC_DEFINE_UNQUOTED(SCDAEMON_DISP_NAME, "SCDaemon",
1732                                        [The displayed name of scdaemon])
1733
1734 AC_DEFINE_UNQUOTED(DIRMNGR_NAME, "dirmngr", [The name of the dirmngr])
1735 AC_DEFINE_UNQUOTED(DIRMNGR_DISP_NAME, "DirMngr",
1736                                       [The displayed name of dirmngr])
1737
1738 AC_DEFINE_UNQUOTED(G13_NAME, "g13", [The name of the g13 tool])
1739 AC_DEFINE_UNQUOTED(G13_DISP_NAME, "G13", [The displayed name of g13])
1740
1741 AC_DEFINE_UNQUOTED(GPGCONF_NAME, "gpgconf", [The name of the gpgconf tool])
1742 AC_DEFINE_UNQUOTED(GPGCONF_DISP_NAME, "GPGConf",
1743                                       [The displayed name of gpgconf])
1744
1745 AC_DEFINE_UNQUOTED(GPGTAR_NAME, "gpgtar", [The name of the gpgtar tool])
1746
1747 AC_DEFINE_UNQUOTED(GPG_AGENT_SOCK_NAME, "S.gpg-agent",
1748                    [The name of the agent socket])
1749 AC_DEFINE_UNQUOTED(GPG_AGENT_SSH_SOCK_NAME, "S.gpg-agent.ssh",
1750                    [The name of the agent socket for ssh])
1751 AC_DEFINE_UNQUOTED(DIRMNGR_INFO_NAME, "DIRMNGR_INFO",
1752                    [The name of the dirmngr info envvar])
1753 AC_DEFINE_UNQUOTED(SCDAEMON_SOCK_NAME, "S.scdaemon",
1754                    [The name of the SCdaemon socket])
1755 AC_DEFINE_UNQUOTED(DIRMNGR_SOCK_NAME, "S.dirmngr",
1756                    [The name of the dirmngr socket])
1757
1758 AC_DEFINE_UNQUOTED(GPGEXT_GPG, "gpg", [The standard binary file suffix])
1759
1760 if test "$have_w32_system" = yes; then
1761   AC_DEFINE_UNQUOTED(GNUPG_REGISTRY_DIR, "\\\\Software\\\\GNU\\\\GnuPG",
1762                      [The directory part of the W32 registry keys])
1763 fi
1764
1765
1766 #
1767 # Provide information about the build.
1768 #
1769 BUILD_REVISION="mym4_revision"
1770 AC_SUBST(BUILD_REVISION)
1771 AC_DEFINE_UNQUOTED(BUILD_REVISION, "$BUILD_REVISION",
1772                    [GIT commit id revision used to build this package])
1773
1774 changequote(,)dnl
1775 BUILD_VERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./'`
1776 changequote([,])dnl
1777 BUILD_VERSION="${BUILD_VERSION}mym4_revision_dec"
1778 BUILD_FILEVERSION=`echo "${BUILD_VERSION}" | tr . ,`
1779 AC_SUBST(BUILD_VERSION)
1780 AC_SUBST(BUILD_FILEVERSION)
1781
1782 AC_ARG_ENABLE([build-timestamp],
1783   AC_HELP_STRING([--enable-build-timestamp],
1784                  [set an explicit build timestamp for reproducibility.
1785                   (default is the current time in ISO-8601 format)]),
1786      [if test "$enableval" = "yes"; then
1787         BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
1788       else
1789         BUILD_TIMESTAMP="$enableval"
1790       fi
1791       BUILD_HOSTNAME="$ac_hostname"],
1792      [BUILD_TIMESTAMP="<none>"
1793       BUILD_HOSTNAME="<anon>"])
1794 AC_SUBST(BUILD_TIMESTAMP)
1795 AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP",
1796                    [The time this package was configured for a build])
1797 AC_SUBST(BUILD_HOSTNAME)
1798
1799
1800 #
1801 # Print errors here so that they are visible all
1802 # together and the user can acquire them all together.
1803 #
1804 die=no
1805 if test "$have_gpg_error" = "no"; then
1806    die=yes
1807    AC_MSG_NOTICE([[
1808 ***
1809 *** You need libgpg-error to build this program.
1810 **  This library is for example available at
1811 ***   ftp://ftp.gnupg.org/gcrypt/libgpg-error
1812 *** (at least version $NEED_GPG_ERROR_VERSION is required.)
1813 ***]])
1814 fi
1815 if test "$have_libgcrypt" = "no"; then
1816    die=yes
1817    AC_MSG_NOTICE([[
1818 ***
1819 *** You need libgcrypt to build this program.
1820 **  This library is for example available at
1821 ***   ftp://ftp.gnupg.org/gcrypt/libgcrypt/
1822 *** (at least version $NEED_LIBGCRYPT_VERSION (API $NEED_LIBGCRYPT_API) is required.)
1823 ***]])
1824 fi
1825 if test "$have_libassuan" = "no"; then
1826    die=yes
1827    AC_MSG_NOTICE([[
1828 ***
1829 *** You need libassuan to build this program.
1830 *** This library is for example available at
1831 ***   ftp://ftp.gnupg.org/gcrypt/libassuan/
1832 *** (at least version $NEED_LIBASSUAN_VERSION (API $NEED_LIBASSUAN_API) is required).
1833 ***]])
1834 fi
1835 if test "$have_ksba" = "no"; then
1836     die=yes
1837     AC_MSG_NOTICE([[
1838 ***
1839 *** You need libksba to build this program.
1840 *** This library is for example available at
1841 ***   ftp://ftp.gnupg.org/gcrypt/libksba/
1842 *** (at least version $NEED_KSBA_VERSION using API $NEED_KSBA_API is required).
1843 ***]])
1844 fi
1845 if test "$gnupg_have_ldap" = yes; then
1846   if test "$have_w32ce_system" = yes; then
1847     AC_MSG_NOTICE([[
1848 *** Note that CeGCC might be broken, a package fixing this is:
1849 ***    http://files.kolab.org/local/windows-ce/
1850 ***                           source/wldap32_0.1-mingw32ce.orig.tar.gz
1851 ***                           binary/wldap32-ce-arm-dev_0.1-1_all.deb
1852 ***]])
1853    fi
1854 fi
1855 if test "$have_npth" = "no"; then
1856     die=yes
1857     AC_MSG_NOTICE([[
1858 ***
1859 *** It is now required to build with support for the
1860 *** New Portable Threads Library (nPth). Please install this
1861 *** library first.  The library is for example available at
1862 ***   ftp://ftp.gnupg.org/gcrypt/npth/
1863 *** (at least version $NEED_NPTH_VERSION (API $NEED_NPTH_API) is required).
1864 ***]])
1865 fi
1866
1867 if test "$require_iconv" = yes; then
1868   if test "$am_func_iconv" != yes; then
1869     die=yes
1870     AC_MSG_NOTICE([[
1871 ***
1872 *** The system does not provide a working iconv function.  Please
1873 *** install a suitable library; for example GNU Libiconv which is
1874 *** available at:
1875 ***   http://ftp.gnu.org/gnu/libiconv/
1876 ***]])
1877   fi
1878 fi
1879
1880 if test "$use_ccid_driver" = yes; then
1881   if test "$have_libusb" != yes; then
1882     die=yes
1883     AC_MSG_NOTICE([[
1884 ***
1885 *** You need libusb to build the internal ccid driver.  Please
1886 *** install a libusb suitable for your system.
1887 ***]])
1888   fi
1889 fi
1890
1891 if test "$die" = "yes"; then
1892     AC_MSG_ERROR([[
1893 ***
1894 *** Required libraries not found. Please consult the above messages
1895 *** and install them before running configure again.
1896 ***]])
1897 fi
1898
1899
1900
1901 AC_CONFIG_FILES([ m4/Makefile
1902 Makefile
1903 po/Makefile.in
1904 common/Makefile
1905 common/w32info-rc.h
1906 kbx/Makefile
1907 g10/Makefile
1908 sm/Makefile
1909 agent/Makefile
1910 scd/Makefile
1911 g13/Makefile
1912 dirmngr/Makefile
1913 tools/gpg-zip
1914 tools/Makefile
1915 doc/Makefile
1916 tests/Makefile
1917 tests/gpgscm/Makefile
1918 tests/openpgp/Makefile
1919 tests/migrations/Makefile
1920 tests/pkits/Makefile
1921 g10/gpg.w32-manifest
1922 ])
1923
1924
1925 AC_OUTPUT
1926
1927
1928 echo "
1929         GnuPG v${VERSION} has been configured as follows:
1930
1931         Revision:  mym4_revision  (mym4_revision_dec)
1932         Platform:  $PRINTABLE_OS_NAME ($host)
1933
1934         OpenPGP:   $build_gpg
1935         S/MIME:    $build_gpgsm
1936         Agent:     $build_agent
1937         Smartcard: $build_scdaemon $build_scdaemon_extra
1938         G13:       $build_g13
1939         Dirmngr:   $build_dirmngr
1940         Gpgtar:    $build_gpgtar
1941         WKS tools: $build_wks_tools
1942
1943         Protect tool:      $show_gnupg_protect_tool_pgm
1944         LDAP wrapper:      $show_gnupg_dirmngr_ldap_pgm
1945         Default agent:     $show_gnupg_agent_pgm
1946         Default pinentry:  $show_gnupg_pinentry_pgm
1947         Default scdaemon:  $show_gnupg_scdaemon_pgm
1948         Default dirmngr:   $show_gnupg_dirmngr_pgm
1949
1950         Dirmngr auto start:  $dirmngr_auto_start
1951         Readline support:    $gnupg_cv_have_readline
1952         LDAP support:        $gnupg_have_ldap
1953         DNS SRV support:     $use_dns_srv
1954         TLS support:         $use_tls_library
1955         TOFU support:        $use_tofu
1956         Tor support:         $show_tor_support
1957 "
1958 if test x"$use_regex" != xyes ; then
1959 echo "
1960         Warning: No regular expression support available.
1961                  OpenPGP trust signatures won't work.
1962                  gpg-check-pattern will not be built.
1963 "
1964 fi
1965 if test "x${gpg_config_script_warn}" != x; then
1966 cat <<G10EOF
1967         Warning: Mismatches between the target platform and the
1968                  to be used libraries have been detected for:
1969                   ${gpg_config_script_warn}
1970                  Please check above for more warning messages.
1971
1972 G10EOF
1973 fi