dirmngr: Terminate on deletion of the socket file (Linux only).
[gnupg.git] / configure.ac
index 80af6fa..b16f837 100644 (file)
@@ -1,7 +1,6 @@
 # configure.ac - for GnuPG 2.1
-# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-#               2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
-# Copyright (C) 2013, 2014 Werner Koch
+# Copyright (C) 1998-2012 Free Software Foundation, Inc.
+# Copyright (C) 1998-2016 Werner Koch
 #
 # This file is part of GnuPG.
 #
@@ -20,7 +19,7 @@
 
 # Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.61)
-min_automake_version="1.10"
+min_automake_version="1.14"
 
 # To build a release you need to create a tag with the version number
 # (git tag -s gnupg-2.n.m) and run "./autogen.sh --force".  Please
@@ -29,7 +28,7 @@ min_automake_version="1.10"
 m4_define([mym4_package],[gnupg])
 m4_define([mym4_major], [2])
 m4_define([mym4_minor], [1])
-m4_define([mym4_micro], [0])
+m4_define([mym4_micro], [16])
 
 # To start a new development series, i.e a new major or minor number
 # you need to mark an arbitrary commit before the first beta release
@@ -48,24 +47,29 @@ m4_define([mym4_version],      m4_argn(4, mym4_verslist))
 m4_define([mym4_revision],     m4_argn(7, mym4_verslist))
 m4_define([mym4_revision_dec], m4_argn(8, mym4_verslist))
 m4_esyscmd([echo ]mym4_version[>VERSION])
-AC_INIT([mym4_package],[mym4_version], [http://bugs.gnupg.org])
+AC_INIT([mym4_package],[mym4_version], [https://bugs.gnupg.org])
 
-NEED_GPG_ERROR_VERSION=1.14
+NEED_GPG_ERROR_VERSION=1.24
 
 NEED_LIBGCRYPT_API=1
-NEED_LIBGCRYPT_VERSION=1.6.0
+NEED_LIBGCRYPT_VERSION=1.7.0
 
 NEED_LIBASSUAN_API=2
-NEED_LIBASSUAN_VERSION=2.1.0
+NEED_LIBASSUAN_VERSION=2.4.3
 
 NEED_KSBA_API=1
-NEED_KSBA_VERSION=1.2.0
+NEED_KSBA_VERSION=1.3.4
+
+NEED_NTBTLS_API=1
+NEED_NTBTLS_VERSION=0.1.0
 
 NEED_NPTH_API=1
-NEED_NPTH_VERSION=0.91
+NEED_NPTH_VERSION=1.2
+
 
 NEED_GNUTLS_VERSION=3.0
 
+NEED_SQLITE_VERSION=3.7
 
 development_version=mym4_isbeta
 PACKAGE=$PACKAGE_NAME
@@ -75,19 +79,27 @@ VERSION=$PACKAGE_VERSION
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_SRCDIR([sm/gpgsm.c])
 AC_CONFIG_HEADER([config.h])
-# Note: For automake 1.13 add the option
-#          serial-tests
-AM_INIT_AUTOMAKE([dist-bzip2 no-dist-gzip])
+AM_INIT_AUTOMAKE([serial-tests dist-bzip2 no-dist-gzip])
 AC_CANONICAL_HOST
 AB_INIT
 
 AC_GNU_SOURCE
 
+# Before we do anything with the C compiler, we first save the user's
+# CFLAGS (they are restored at the end of the configure script).  This
+# is because some configure checks don't work with -Werror, but we'd
+# like to use -Werror with our build.
+CFLAGS_orig=$CFLAGS
+CFLAGS=
+
 # Some status variables.
 have_gpg_error=no
 have_libgcrypt=no
 have_libassuan=no
 have_ksba=no
+have_ntbtls=no
+have_gnutls=no
+have_sqlite=no
 have_npth=no
 have_libusb=no
 have_adns=no
@@ -97,21 +109,29 @@ use_zip=yes
 use_bzip2=yes
 use_exec=yes
 use_trust_models=yes
+use_tofu=yes
 card_support=yes
-use_ccid_driver=yes
-use_standard_socket=yes
+use_ccid_driver=auto
 dirmngr_auto_start=yes
+use_tls_library=no
+large_secmem=no
+show_tor_support=no
+
 
 GNUPG_BUILD_PROGRAM(gpg, yes)
 GNUPG_BUILD_PROGRAM(gpgsm, yes)
-GNUPG_BUILD_PROGRAM(agent, yes)
+# The agent is a required part and can't be disabled anymore.
+build_agent=yes
 GNUPG_BUILD_PROGRAM(scdaemon, yes)
-GNUPG_BUILD_PROGRAM(g13, yes)
+GNUPG_BUILD_PROGRAM(g13, no)
 GNUPG_BUILD_PROGRAM(dirmngr, yes)
 GNUPG_BUILD_PROGRAM(tools, yes)
 GNUPG_BUILD_PROGRAM(doc, yes)
 GNUPG_BUILD_PROGRAM(symcryptrun, no)
-GNUPG_BUILD_PROGRAM(gpgtar, no)
+# We use gpgtar to unpack test data, hence we always build it.  If the
+# user opts out, we simply don't install it.
+GNUPG_BUILD_PROGRAM(gpgtar, yes)
+GNUPG_BUILD_PROGRAM(wks-tools, no)
 
 AC_SUBST(PACKAGE)
 AC_SUBST(PACKAGE_GT)
@@ -126,6 +146,8 @@ AC_DEFINE_UNQUOTED(NEED_LIBGCRYPT_VERSION, "$NEED_LIBGCRYPT_VERSION",
                                        [Required version of Libgcrypt])
 AC_DEFINE_UNQUOTED(NEED_KSBA_VERSION, "$NEED_KSBA_VERSION",
                                        [Required version of Libksba])
+AC_DEFINE_UNQUOTED(NEED_NTBTLS_VERSION, "$NEED_NTBTLS_VERSION",
+                                       [Required version of NTBTLS])
 
 
 
@@ -196,13 +218,10 @@ test -n "$GNUPG_DIRMNGR_LDAP_PGM" \
 AC_ARG_ENABLE(gpg2-is-gpg,
     AC_HELP_STRING([--enable-gpg2-is-gpg],[Set installed name of gpg2 to gpg]),
     gpg2_is_gpg=$enableval)
-if test "$gpg2_is_gpg" = "yes"; then
-   name_of_installed_gpg=gpg
-else
-   name_of_installed_gpg=gpg2
+if test "$gpg2_is_gpg" != "yes"; then
+   AC_DEFINE(USE_GPG2_HACK, 1, [Define to install gpg as gpg2])
 fi
-AC_DEFINE_UNQUOTED(NAME_OF_INSTALLED_GPG, "$name_of_installed_gpg",
-                   [The name of the installed GPG tool])
+AM_CONDITIONAL(USE_GPG2_HACK, test "$gpg2_is_gpg" != "yes")
 
 
 # SELinux support includes tracking of sensitive files to avoid
@@ -215,6 +234,20 @@ AC_ARG_ENABLE(selinux-support,
 AC_MSG_RESULT($selinux_support)
 
 
+AC_MSG_CHECKING([whether to allocate extra secure memory])
+AC_ARG_ENABLE(large-secmem,
+              AC_HELP_STRING([--enable-large-secmem],
+                             [allocate extra secure memory]),
+              large_secmem=$enableval, large_secmem=no)
+AC_MSG_RESULT($large_secmem)
+if test "$large_secmem" = yes ; then
+   SECMEM_BUFFER_SIZE=65536
+else
+   SECMEM_BUFFER_SIZE=32768
+fi
+AC_DEFINE_UNQUOTED(SECMEM_BUFFER_SIZE,$SECMEM_BUFFER_SIZE,
+                   [Size of secure memory buffer])
+
 AC_MSG_CHECKING([whether to enable trust models])
 AC_ARG_ENABLE(trust-models,
               AC_HELP_STRING([--disable-trust-models],
@@ -226,6 +259,17 @@ if test "$use_trust_models" = no ; then
              [Define to include only trust-model always])
 fi
 
+AC_MSG_CHECKING([whether to enable TOFU])
+AC_ARG_ENABLE(tofu,
+                AC_HELP_STRING([--disable-tofu],
+                               [disable the TOFU trust model]),
+              use_tofu=$enableval, use_tofu=$use_trust_models)
+AC_MSG_RESULT($use_tofu)
+if test "$use_trust_models" = no && test "$use_tofu" = yes; then
+    AC_MSG_ERROR([both --disable-trust-models and --enable-tofu given])
+fi
+
+
 
 #
 # Options to disable algorithm
@@ -251,10 +295,10 @@ GNUPG_GPG_DISABLE_ALGO([camellia192],[CAMELLIA192 cipher])
 GNUPG_GPG_DISABLE_ALGO([camellia256],[CAMELLIA256 cipher])
 
 GNUPG_GPG_DISABLE_ALGO([md5],[MD5 hash])
-# SHA1 is a MUSt algorithm
+# SHA1 is a MUST algorithm
 GNUPG_GPG_DISABLE_ALGO([rmd160],[RIPE-MD160 hash])
 GNUPG_GPG_DISABLE_ALGO([sha224],[SHA-224 hash])
-GNUPG_GPG_DISABLE_ALGO([sha256],[SHA-256 hash])
+# SHA256 is a MUST algorithm for GnuPG.
 GNUPG_GPG_DISABLE_ALGO([sha384],[SHA-384 hash])
 GNUPG_GPG_DISABLE_ALGO([sha512],[SHA-512 hash])
 
@@ -506,9 +550,6 @@ AH_BOTTOM([
 /* Tell Libgcrypt not to include deprecated definitions.  */
 #define GCRYPT_NO_DEPRECATED 1
 
-/* We use jnlib, so tell other modules about it.  */
-#define HAVE_JNLIB_LOGGING 1
-
 /* Our HTTP code is used in estream mode.  */
 #define HTTP_USE_ESTREAM 1
 
@@ -528,6 +569,7 @@ AH_BOTTOM([
 
 
 AM_MAINTAINER_MODE
+AC_ARG_VAR(SYSROOT,[locate config scripts also below that directory])
 
 # Checks for programs.
 AC_MSG_NOTICE([checking for programs])
@@ -554,10 +596,10 @@ AC_CHECK_TOOL(AR, ar, :)
 AC_PATH_PROG(PERL,"perl")
 AC_CHECK_TOOL(WINDRES, windres, :)
 AC_ISC_POSIX
-gl_EARLY
 AC_SYS_LARGEFILE
 GNUPG_CHECK_USTAR
 
+
 # We need to compile and run a program on the build machine.  A
 # comment in libgpg-error says that the AC_PROG_CC_FOR_BUILD macro in
 # the AC archive is broken for autoconf 2.57.  Given that there is no
@@ -573,6 +615,9 @@ fi
 AC_MSG_RESULT($CC_FOR_BUILD)
 AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])
 
+# We need to call this macro because other pkg-config macros are
+# not always used.
+PKG_PROG_PKG_CONFIG
 
 
 try_gettext=yes
@@ -597,6 +642,7 @@ case "${host}" in
                    we use a simplified version of gettext])
         have_dosish_system=yes
         have_w32_system=yes
+        require_iconv=no
         run_tests=no
         use_ldapwrapper=no  # Fixme: Do this only for CE.
         case "${host}" in
@@ -630,14 +676,14 @@ case "${host}" in
 
     *-*-hpux*)
         if test -z "$GCC" ; then
-            CFLAGS="$CFLAGS -Ae -D_HPUX_SOURCE"
+            CFLAGS="-Ae -D_HPUX_SOURCE $CFLAGS"
         fi
         ;;
     *-dec-osf4*)
         if test -z "$GCC" ; then
             # Suppress all warnings
             # to get rid of the unsigned/signed char mismatch warnings.
-            CFLAGS="$CFLAGS -w"
+            CFLAGS="-w $CFLAGS"
         fi
         ;;
     *-dec-osf5*)
@@ -646,12 +692,12 @@ case "${host}" in
             # get rid of the unsigned/signed char mismatch warnings.
             # Using this may hide other pointer mismatch warnings, but
            # it at least lets other warning classes through
-            CFLAGS="$CFLAGS -msg_disable ptrmismatch1"
+            CFLAGS="-msg_disable ptrmismatch1 $CFLAGS"
         fi
         ;;
     m68k-atari-mint)
         ;;
-    *-linux-androideabi)
+    *-linux-android*)
         have_android_system=yes
         # Android is fully utf-8 and we do not want to use iconv to
         # keeps things simple
@@ -692,35 +738,6 @@ if test "$run_tests" = yes; then
 fi
 AM_CONDITIONAL(RUN_TESTS, test "$run_tests" = yes)
 
-if test "$use_ldapwrapper" = yes; then
-   AC_DEFINE(USE_LDAPWRAPPER,1, [Build dirmngr with LDAP wrapper process])
-fi
-AM_CONDITIONAL(USE_LDAPWRAPPER, test "$use_ldapwrapper" = yes)
-
-
-#
-# Allows enabling the use of a standard socket by default This is
-# gpg-agent's option --[no-]use-standard-socket.  For Windows we force
-# the use of this.
-#
-AC_MSG_CHECKING([whether to use a standard socket by default])
-AC_ARG_ENABLE(standard-socket,
-              AC_HELP_STRING([--disable-standard-socket],
-                             [don't use a standard socket by default]),
-              use_standard_socket=$enableval)
-tmp=""
-if test "$use_standard_socket" != yes; then
-  if test "$have_w32_system" = yes; then
-    use_standard_socket=yes
-    tmp=" (forced)"
-  fi
-fi
-AC_MSG_RESULT($use_standard_socket$tmp)
-if test "$use_standard_socket" = yes; then
-  AC_DEFINE(USE_STANDARD_SOCKET,1,
-            [Use the standard socket for the agent by default])
-fi
-
 
 # (These need to go after AC_PROG_CC so that $EXEEXT is defined)
 AC_DEFINE_UNQUOTED(EXEEXT,"$EXEEXT",[The executable file extension, if any])
@@ -755,10 +772,10 @@ AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
 if test "$have_libassuan" = "yes"; then
   AC_DEFINE_UNQUOTED(GNUPG_LIBASSUAN_VERSION, "$libassuan_version",
                      [version of the libassuan library])
+  show_tor_support="only .onion"
 fi
 
 
-
 #
 # libksba is our X.509 support library
 #
@@ -769,16 +786,69 @@ AM_PATH_KSBA("$NEED_KSBA_API:$NEED_KSBA_VERSION",have_ksba=yes,have_ksba=no)
 # libusb allows us to use the integrated CCID smartcard reader driver.
 #
 # FiXME: Use GNUPG_CHECK_LIBUSB and modify to use separate AC_SUBSTs.
-if test "$use_ccid_driver" = yes ; then
-  AC_CHECK_LIB(usb, usb_bulk_write,
-                [ LIBUSB_LIBS="$LIBUSB_LIBS -lusb"
-                  AC_DEFINE(HAVE_LIBUSB,1,
-                           [defined if libusb is available])
-                  have_libusb=yes
-               ])
-  AC_CHECK_FUNCS(usb_create_match)
+if test "$use_ccid_driver" = auto || test "$use_ccid_driver" = yes; then
+   case "${host}" in
+     *-mingw32*)
+       LIBUSB_NAME=
+       LIBUSB_LIBS=
+       LIBUSB_CPPFLAGS=
+       ;;
+     *-*-darwin*)
+       LIBUSB_NAME=usb-1.0
+       LIBUSB_LIBS="-Wl,-framework,CoreFoundation -Wl,-framework,IOKit"
+       ;;
+     *-*-freebsd*)
+       # FreeBSD has a native 1.0 compatible library by -lusb.
+       LIBUSB_NAME=usb
+       LIBUSB_LIBS=
+       ;;
+     *)
+       LIBUSB_NAME=usb-1.0
+       LIBUSB_LIBS=
+       ;;
+   esac
+fi
+if test x"$LIBUSB_NAME" != x ; then
+   AC_CHECK_LIB($LIBUSB_NAME, libusb_init,
+                [ LIBUSB_LIBS="-l$LIBUSB_NAME $LIBUSB_LIBS"
+                  have_libusb=yes ])
+   AC_MSG_CHECKING([libusb include dir])
+   usb_incdir_found="no"
+   for _incdir in "" "/usr/include/libusb-1.0" "/usr/local/include/libusb-1.0"; do
+     _libusb_save_cppflags=$CPPFLAGS
+     if test -n "${_incdir}"; then
+       CPPFLAGS="-I${_incdir} ${CPPFLAGS}"
+     fi
+     AC_PREPROC_IFELSE([AC_LANG_SOURCE([[@%:@include <libusb.h>]])],
+     [usb_incdir=${_incdir}; usb_incdir_found="yes"], [])
+     CPPFLAGS=${_libusb_save_cppflags}
+     if test "$usb_incdir_found" = "yes"; then
+       break
+     fi
+   done
+   if test "$usb_incdir_found" = "yes"; then
+     AC_MSG_RESULT([${usb_incdir}])
+   else
+     AC_MSG_RESULT([not found])
+     usb_incdir=""
+     have_libusb=no
+     if test "$use_ccid_driver" != yes; then
+       use_ccid_driver=no
+     fi
+     LIBUSB_LIBS=""
+   fi
+
+   if test "$have_libusb" = yes; then
+     AC_DEFINE(HAVE_LIBUSB,1, [defined if libusb is available])
+   fi
+   if test x"$usb_incdir" = x; then
+     LIBUSB_CPPFLAGS=""
+   else
+     LIBUSB_CPPFLAGS="-I${usb_incdir}"
+   fi
 fi
 AC_SUBST(LIBUSB_LIBS)
+AC_SUBST(LIBUSB_CPPFLAGS)
 
 #
 # Check wether it is necessary to link against libdl.
@@ -791,6 +861,42 @@ DL_LIBS=$LIBS
 AC_SUBST(DL_LIBS)
 LIBS="$gnupg_dlopen_save_libs"
 
+
+# Checks for g10
+
+AC_ARG_ENABLE(sqlite,
+                AC_HELP_STRING([--disable-sqlite],
+                               [disable the use of SQLITE]),
+              try_sqlite=$enableval, try_sqlite=yes)
+
+if test x"$use_tofu" = xyes ; then
+  if test x"$try_sqlite" = xyes ; then
+    PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= $NEED_SQLITE_VERSION],
+                                 [have_sqlite=yes],
+                                 [have_sqlite=no])
+  fi
+  if test "$have_sqlite" = "yes"; then
+    :
+    AC_SUBST([SQLITE3_CFLAGS])
+    AC_SUBST([SQLITE3_LIBS])
+  else
+    use_tofu=no
+    tmp=$(echo "$SQLITE3_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
+    AC_MSG_WARN([[
+***
+*** Building without SQLite support - TOFU disabled
+***
+*** $tmp]])
+  fi
+fi
+
+AM_CONDITIONAL(SQLITE3, test "$have_sqlite" = "yes")
+
+if test x"$use_tofu" = xyes ; then
+    AC_DEFINE(USE_TOFU, 1, [Enable to build the TOFU code])
+fi
+
+
 # Checks for g13
 
 AC_PATH_PROG(ENCFS, encfs, /usr/bin/encfs)
@@ -840,27 +946,48 @@ else
 ***]])
 fi
 
+
 #
-# Check whether GNUTLS is available
+# NTBTLS is our TLS library.  If it is not available fallback to
+# GNUTLS.
 #
-PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= $NEED_GNUTLS_VERSION],
-                               [have_gnutls=yes],
-                               [have_gnutls=no])
-if test "$have_gnutls" = "yes"; then
-  AC_SUBST([LIBGNUTLS_CFLAGS])
-  AC_SUBST([LIBGNUTLS_LIBS])
-  AC_DEFINE(HTTP_USE_GNUTLS, 1, [Enable GNUTLS support in http.c])
+AC_ARG_ENABLE(ntbtls,
+              AC_HELP_STRING([--disable-ntbtls],
+                             [disable the use of NTBTLS as TLS library]),
+              try_ntbtls=$enableval, try_ntbtls=yes)
+if test x"$try_ntbtls" = xyes ; then
+  AM_PATH_NTBTLS("$NEED_NTBTLS_API:$NEED_NTBTLS_VERSION",
+                 [have_ntbtls=yes],[have_ntbtls=no])
+fi
+if test "$have_ntbtls" = yes ; then
+   use_tls_library=ntbtls
+   AC_DEFINE(HTTP_USE_NTBTLS, 1, [Enable NTBTLS support in http.c])
 else
-  tmp=$(echo "$LIBGNUTLS_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
-  AC_MSG_WARN([[
+  AC_ARG_ENABLE(gnutls,
+                AC_HELP_STRING([--disable-gnutls],
+                               [disable GNUTLS as fallback TLS library]),
+                try_gnutls=$enableval, try_gnutls=yes)
+  if test x"$try_gnutls" = xyes ; then
+    PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= $NEED_GNUTLS_VERSION],
+                                   [have_gnutls=yes],
+                                   [have_gnutls=no])
+  fi
+  if test "$have_gnutls" = "yes"; then
+    AC_SUBST([LIBGNUTLS_CFLAGS])
+    AC_SUBST([LIBGNUTLS_LIBS])
+    use_tls_library=gnutls
+    AC_DEFINE(HTTP_USE_GNUTLS, 1, [Enable GNUTLS support in http.c])
+  else
+    tmp=$(echo "$LIBGNUTLS_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
+    AC_MSG_WARN([[
 ***
-*** Building without GNUTLS - no TLS access to keyservers.
+*** Building without NTBTLS and GNUTLS - no TLS access to keyservers.
 ***
 *** $tmp]])
+  fi
 fi
 
 
-
 AC_MSG_NOTICE([checking for networking options])
 
 #
@@ -888,19 +1015,26 @@ AC_ARG_WITH(adns,
                LDFLAGS="${LDFLAGS} -L$withval/lib"
              fi])
 if test "$with_adns" != "no"; then
-  AC_CHECK_HEADERS(adns.h,
-                AC_CHECK_LIB(adns, adns_init,
-                             [have_adns=yes],
-                             [CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}]),
-                [CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}])
+  AC_CHECK_HEADERS(adns.h,AC_CHECK_LIB(adns, adns_init_strcfg,[have_adns=yes]))
+  AC_CHECK_FUNCS(adns_free)
+  AC_MSG_CHECKING([if adns supports adns_if_tormode])
+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+    #include <adns.h>
+    adns_initflags flags = adns_if_tormode;
+  ]],[])],[adns_if_tormode=yes],[adns_if_tormode=no])
+  AC_MSG_RESULT($adns_if_tormode)
+  if test x"$adns_if_tormode" = xyes; then
+    AC_DEFINE(HAVE_ADNS_IF_TORMODE,1,[define if adns_if_tormode is available])
+    if test "$show_tor_support" != "no"; then
+      show_tor_support=yes
+    fi
+  fi
 fi
+CPPFLAGS=${_cppflags}
+LDFLAGS=${_ldflags}
 if test "$have_adns" = "yes"; then
   ADNSLIBS="-ladns"
 fi
-AC_SUBST(ADNSLIBS)
-# Newer adns versions feature a free function to be used under W32.
-AC_CHECK_FUNCS(adns_free)
-
 
 
 #
@@ -911,38 +1045,48 @@ AC_ARG_ENABLE(dns-srv,
                              [disable the use of DNS SRV in HKP and HTTP]),
               use_dns_srv=$enableval,use_dns_srv=yes)
 
-AC_ARG_ENABLE(dns-pka,
-   AC_HELP_STRING([--disable-dns-pka],
-       [disable the use of PKA records in DNS]),
-   use_dns_pka=$enableval,use_dns_pka=yes)
-
 AC_ARG_ENABLE(dns-cert,
    AC_HELP_STRING([--disable-dns-cert],
        [disable the use of CERT records in DNS]),
    use_dns_cert=$enableval,use_dns_cert=yes)
 
-if test x"$use_dns_pka" = xyes || test x"$use_dns_srv" = xyes \
-   || test x"$use_dns_cert" = xyes; then
+if test x"$use_dns_srv" = xyes || test x"$use_dns_cert" = xyes; then
   _dns_save_libs=$LIBS
   LIBS=""
-  # the double underscore thing is a glibc-ism?
-  AC_SEARCH_LIBS(res_query,resolv bind,,
-                 AC_SEARCH_LIBS(__res_query,resolv bind,,have_resolver=no))
-  AC_SEARCH_LIBS(dn_expand,resolv bind,,
-                 AC_SEARCH_LIBS(__dn_expand,resolv bind,,have_resolver=no))
-  AC_SEARCH_LIBS(dn_skipname,resolv bind,,
-                 AC_SEARCH_LIBS(__dn_skipname,resolv bind,,have_resolver=no))
-
-  if test x"$have_resolver" != xno ; then
-
-    # Make sure that the BIND 4 resolver interface is workable before
-    # enabling any code that calls it.  At some point I'll rewrite the
-    # code to use the BIND 8 resolver API.
-    # We might also want to use adns instead.  Problem with ADNS is that
-    # it does not support v6.
-
-    AC_MSG_CHECKING([whether the resolver is usable])
-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+
+  if test x"$have_adns" = xyes ; then
+    # We prefer ADNS.
+    DNSLIBS="$ADNSLIBS"
+    AC_DEFINE(USE_ADNS,1,[Use ADNS as resolver library.])
+
+    if test x"$use_dns_srv" = xyes ; then
+        AC_DEFINE(USE_DNS_SRV,1)
+    fi
+
+    if test x"$use_dns_cert" = xyes ; then
+        AC_DEFINE(USE_DNS_CERT,1,[define to use DNS CERT])
+    fi
+  else
+    # With no ADNS find the system resolver.
+
+    # the double underscore thing is a glibc-ism?
+    AC_SEARCH_LIBS(res_query,resolv bind,,
+                   AC_SEARCH_LIBS(__res_query,resolv bind,,have_resolver=no))
+    AC_SEARCH_LIBS(dn_expand,resolv bind,,
+                   AC_SEARCH_LIBS(__dn_expand,resolv bind,,have_resolver=no))
+    AC_SEARCH_LIBS(dn_skipname,resolv bind,,
+                   AC_SEARCH_LIBS(__dn_skipname,resolv bind,,have_resolver=no))
+
+    if test x"$have_resolver" != xno ; then
+
+      # Make sure that the BIND 4 resolver interface is workable before
+      # enabling any code that calls it.  At some point I'll rewrite the
+      # code to use the BIND 8 resolver API.
+      # We might also want to use adns instead.  Problem with ADNS is that
+      # it does not support v6.
+
+      AC_MSG_CHECKING([whether the resolver is usable])
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #include <netinet/in.h>
 #include <arpa/nameser.h>
 #include <resolv.h>]],
@@ -951,15 +1095,15 @@ if test x"$use_dns_pka" = xyes || test x"$use_dns_srv" = xyes \
   dn_skipname(0,0);
   dn_expand(0,0,0,0,0);
 ]])],have_resolver=yes,have_resolver=no)
-    AC_MSG_RESULT($have_resolver)
+      AC_MSG_RESULT($have_resolver)
 
-    # This is Apple-specific and somewhat bizarre as they changed the
-    # define in bind 8 for some reason.
+      # This is Apple-specific and somewhat bizarre as they changed the
+      # define in bind 8 for some reason.
 
-    if test x"$have_resolver" != xyes ; then
-       AC_MSG_CHECKING(
+      if test x"$have_resolver" != xyes ; then
+         AC_MSG_CHECKING(
              [whether I can make the resolver usable with BIND_8_COMPAT])
-       AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define BIND_8_COMPAT
+        AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define BIND_8_COMPAT
 #include <sys/types.h>
 #include <netinet/in.h>
 #include <arpa/nameser.h>
@@ -968,51 +1112,28 @@ if test x"$use_dns_pka" = xyes || test x"$use_dns_srv" = xyes \
   res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);
   dn_skipname(0,0); dn_expand(0,0,0,0,0);
 ]])],[have_resolver=yes ; need_compat=yes])
-       AC_MSG_RESULT($have_resolver)
+         AC_MSG_RESULT($have_resolver)
+      fi
     fi
-  fi
 
-  if test x"$have_resolver" = xyes ; then
-     DNSLIBS=$LIBS
+    if test x"$have_resolver" = xyes ; then
+      DNSLIBS=$LIBS
 
-     if test x"$use_dns_srv" = xyes ; then
-        AC_DEFINE(USE_DNS_SRV,1,[define to use DNS SRV])
-     fi
-
-     if test x"$use_dns_pka" = xyes ; then
-        AC_DEFINE(USE_DNS_PKA,1,[define to use our experimental DNS PKA])
-     fi
+      if test x"$use_dns_srv" = xyes ; then
+         AC_DEFINE(USE_DNS_SRV,1,[define to use DNS SRV])
+      fi
 
-     if test x"$use_dns_cert" = xyes ; then
+      if test x"$use_dns_cert" = xyes ; then
         AC_DEFINE(USE_DNS_CERT,1,[define to use DNS CERT])
-     fi
+      fi
 
-     if test x"$need_compat" = xyes ; then
+      if test x"$need_compat" = xyes ; then
         AC_DEFINE(BIND_8_COMPAT,1,[an Apple OSXism])
-     fi
-  else
-     # If we have no resolver library but ADNS (e.g. under W32) enable the
-     # code parts which can be used with ADNS.
-     if test x"$have_adns" = xyes ; then
-        DNSLIBS="$ADNSLIBS"
-        AC_DEFINE(USE_ADNS,1,[Use ADNS as resolver library.])
-
-        if test x"$use_dns_srv" = xyes ; then
-           AC_DEFINE(USE_DNS_SRV,1)
-        fi
-
-        if test x"$use_dns_pka" = xyes ; then
-           AC_DEFINE(USE_DNS_PKA,1)
-        fi
-
-        if test x"$use_dns_cert" = xyes ; then
-           AC_DEFINE(USE_DNS_CERT,1,[define to use DNS CERT])
-        fi
-     else
-        use_dns_srv=no
-        use_dns_pka=no
-        use_dns_cert=no
-     fi
+      fi
+    else
+      use_dns_srv=no
+      use_dns_cert=no
+    fi
   fi
 
   LIBS=$_dns_save_libs
@@ -1028,16 +1149,45 @@ AM_CONDITIONAL(USE_DNS_SRV, test x"$use_dns_srv" = xyes)
 #
 # Note that running the check changes the variable
 # gnupg_have_ldap from "n/a" to "no" or "yes".
-if test "$build_dirmngr" = "yes" ; then
-   GNUPG_CHECK_LDAP($NETLIBS)
-   AC_CHECK_LIB(lber, ber_free,
-                [ LBER_LIBS="$LBER_LIBS -llber"
-                  AC_DEFINE(HAVE_LBER,1,
-                           [defined if liblber is available])
-                  have_lber=yes
-               ])
+
+AC_ARG_ENABLE(ldap,
+    AC_HELP_STRING([--disable-ldap],[disable LDAP support]),
+    [if test "$enableval" = "no"; then gnupg_have_ldap=no; fi])
+
+if test "$gnupg_have_ldap" != "no" ; then
+  if test "$build_dirmngr" = "yes" ; then
+     GNUPG_CHECK_LDAP($NETLIBS)
+     AC_CHECK_LIB(lber, ber_free,
+                  [ LBER_LIBS="$LBER_LIBS -llber"
+                    AC_DEFINE(HAVE_LBER,1,
+                             [defined if liblber is available])
+                    have_lber=yes
+                 ])
+  fi
 fi
 AC_SUBST(LBER_LIBS)
+if test "$gnupg_have_ldap" = "no"; then
+    AC_MSG_WARN([[
+***
+*** Building without LDAP support.
+*** No CRL access or X.509 certificate search available.
+***]])
+fi
+
+AM_CONDITIONAL(USE_LDAP, [test "$gnupg_have_ldap" = yes])
+if test "$gnupg_have_ldap" = yes ; then
+  AC_DEFINE(USE_LDAP,1,[Defined if LDAP is support])
+else
+ use_ldapwrapper=no
+fi
+
+if test "$use_ldapwrapper" = yes; then
+   AC_DEFINE(USE_LDAPWRAPPER,1, [Build dirmngr with LDAP wrapper process])
+fi
+AM_CONDITIONAL(USE_LDAPWRAPPER, test "$use_ldapwrapper" = yes)
+
+
+
 
 #
 # Check for sendmail
@@ -1151,7 +1301,8 @@ fi
 AC_MSG_NOTICE([checking for header files])
 AC_HEADER_STDC
 AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h \
-                  pty.h utmp.h pwd.h inttypes.h signal.h])
+                  pty.h utmp.h pwd.h inttypes.h signal.h sys/select.h     \
+                  signal.h])
 AC_HEADER_TIME
 
 
@@ -1226,11 +1377,24 @@ AC_FUNC_VPRINTF
 AC_FUNC_FORK
 AC_CHECK_FUNCS([strerror strlwr tcgetattr mmap canonicalize_file_name])
 AC_CHECK_FUNCS([strcasecmp strncasecmp ctermid times gmtime_r strtoull])
-AC_CHECK_FUNCS([unsetenv fcntl ftruncate inet_ntop canonicalize_file_name])
+AC_CHECK_FUNCS([setenv unsetenv fcntl ftruncate inet_ntop])
+AC_CHECK_FUNCS([canonicalize_file_name])
 AC_CHECK_FUNCS([gettimeofday getrusage getrlimit setrlimit clock_gettime])
 AC_CHECK_FUNCS([atexit raise getpagesize strftime nl_langinfo setlocale])
 AC_CHECK_FUNCS([waitpid wait4 sigaction sigprocmask pipe getaddrinfo])
 AC_CHECK_FUNCS([ttyname rand ftello fsync stat lstat])
+AC_CHECK_FUNCS([memicmp stpcpy strsep strlwr strtoul memmove stricmp strtol \
+                memrchr isascii timegm getrusage setrlimit stat setlocale   \
+                flockfile funlockfile getpwnam getpwuid \
+                getenv inet_pton strpbrk])
+
+# See whether libc supports the Linux inotify interface
+case "${host}" in
+    *-*-linux*)
+        AC_CHECK_FUNCS([inotify_init])
+        ;;
+esac
+
 
 if test "$have_android_system" = yes; then
    # On Android ttyname is a stub but prints an error message.
@@ -1246,27 +1410,6 @@ if test $ac_cv_func_mmap != yes -a $mmap_needed = yes; then
 fi
 
 #
-# These are needed by the jnlib parts in common.
-# Note:  We already checked pwd.h.
-AC_CHECK_HEADERS([signal.h])
-AC_CHECK_FUNCS([memicmp stpcpy strsep strlwr strtoul memmove stricmp strtol \
-                memrchr isascii timegm getrusage setrlimit stat setlocale   \
-                flockfile funlockfile fopencookie funopen getpwnam getpwuid \
-                getenv inet_pton])
-# end jnlib checks.
-
-
-
-#
-# gnulib checks
-#
-gl_SOURCE_BASE([gl])
-gl_M4_BASE([gl/m4])
-gl_MODULES([setenv mkdtemp xsize strpbrk])
-gl_INIT
-
-
-#
 # W32 specific test
 #
 GNUPG_FUNC_MKDIR_TAKES_ONE_ARG
@@ -1425,6 +1568,9 @@ AC_SUBST(W32SOCKLIBS)
 #
 AC_MSG_NOTICE([checking for cc features])
 if test "$GCC" = yes; then
+    mycflags=
+    mycflags_save=$CFLAGS
+
     # Check whether gcc does not emit a diagnositc for unknow -Wno-*
     # options.  This is the case for gcc >= 4.6
     AC_MSG_CHECKING([if gcc ignores unknown -Wno-* options])
@@ -1438,60 +1584,55 @@ if test "$GCC" = yes; then
     # warning options and the user should have a chance of overriding
     # them.
     if test "$USE_MAINTAINER_MODE" = "yes"; then
-        CFLAGS="$CFLAGS -O3 -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
-        CFLAGS="$CFLAGS -Wformat -Wno-format-y2k -Wformat-security"
+        mycflags="$mycflags -O3 -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+        mycflags="$mycflags -Wformat -Wno-format-y2k -Wformat-security"
         if test x"$_gcc_silent_wno" = xyes ; then
           _gcc_wopt=yes
         else
           AC_MSG_CHECKING([if gcc supports -Wno-missing-field-initializers])
-          _gcc_cflags_save=$CFLAGS
           CFLAGS="-Wno-missing-field-initializers"
           AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
                             [_gcc_wopt=yes],[_gcc_wopt=no])
           AC_MSG_RESULT($_gcc_wopt)
-          CFLAGS=$_gcc_cflags_save;
         fi
         if test x"$_gcc_wopt" = xyes ; then
-          CFLAGS="$CFLAGS -W -Wno-sign-compare -Wno-missing-field-initializers"
+          mycflags="$mycflags -W -Wno-sign-compare"
+          mycflags="$mycflags -Wno-missing-field-initializers"
         fi
 
         AC_MSG_CHECKING([if gcc supports -Wdeclaration-after-statement])
-        _gcc_cflags_save=$CFLAGS
         CFLAGS="-Wdeclaration-after-statement"
         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no)
         AC_MSG_RESULT($_gcc_wopt)
-        CFLAGS=$_gcc_cflags_save;
         if test x"$_gcc_wopt" = xyes ; then
-          CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+          mycflags="$mycflags -Wdeclaration-after-statement"
         fi
     else
-        CFLAGS="$CFLAGS -Wall"
+        mycflags="$mycflags -Wall"
     fi
 
     if test x"$_gcc_silent_wno" = xyes ; then
       _gcc_psign=yes
     else
       AC_MSG_CHECKING([if gcc supports -Wno-pointer-sign])
-      _gcc_cflags_save=$CFLAGS
       CFLAGS="-Wno-pointer-sign"
       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
                         [_gcc_psign=yes],[_gcc_psign=no])
       AC_MSG_RESULT($_gcc_psign)
-      CFLAGS=$_gcc_cflags_save;
     fi
     if test x"$_gcc_psign" = xyes ; then
-       CFLAGS="$CFLAGS -Wno-pointer-sign"
+       mycflags="$mycflags -Wno-pointer-sign"
     fi
 
     AC_MSG_CHECKING([if gcc supports -Wpointer-arith])
-    _gcc_cflags_save=$CFLAGS
     CFLAGS="-Wpointer-arith"
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_psign=yes,_gcc_psign=no)
     AC_MSG_RESULT($_gcc_psign)
-    CFLAGS=$_gcc_cflags_save;
     if test x"$_gcc_psign" = xyes ; then
-       CFLAGS="$CFLAGS -Wpointer-arith"
+       mycflags="$mycflags -Wpointer-arith"
     fi
+
+    CFLAGS="$mycflags $mycflags_save"
 fi
 
 
@@ -1507,6 +1648,11 @@ AC_ARG_ENABLE(optimization,
                    fi])
 
 #
+# Add user CFLAGS.
+#
+CFLAGS="$CFLAGS $CFLAGS_orig"
+
+#
 # Decide what to build
 #
 
@@ -1534,9 +1680,11 @@ AM_CONDITIONAL(BUILD_TOOLS,       test "$build_tools" = "yes")
 AM_CONDITIONAL(BUILD_DOC,         test "$build_doc" = "yes")
 AM_CONDITIONAL(BUILD_SYMCRYPTRUN, test "$build_symcryptrun" = "yes")
 AM_CONDITIONAL(BUILD_GPGTAR,      test "$build_gpgtar" = "yes")
+AM_CONDITIONAL(BUILD_WKS_TOOLS,   test "$build_wks_tools" = "yes")
 
 AM_CONDITIONAL(ENABLE_CARD_SUPPORT, test "$card_support" = yes)
-AM_CONDITIONAL(NO_TRUST_MODELS, test "$use_trust_models" = no)
+AM_CONDITIONAL(NO_TRUST_MODELS,     test "$use_trust_models" = no)
+AM_CONDITIONAL(USE_TOFU,            test "$use_tofu" = yes)
 
 AM_CONDITIONAL(RUN_GPG_TESTS,
                test x$cross_compiling = xno -a "$build_gpg" = yes )
@@ -1596,8 +1744,6 @@ AC_DEFINE_UNQUOTED(GPGCONF_DISP_NAME, "GPGConf",
 
 AC_DEFINE_UNQUOTED(GPGTAR_NAME, "gpgtar", [The name of the gpgtar tool])
 
-AC_DEFINE_UNQUOTED(GPG_AGENT_INFO_NAME, "GPG_AGENT_INFO",
-                   [The name of the agent info envvar])
 AC_DEFINE_UNQUOTED(GPG_AGENT_SOCK_NAME, "S.gpg-agent",
                    [The name of the agent socket])
 AC_DEFINE_UNQUOTED(GPG_AGENT_SSH_SOCK_NAME, "S.gpg-agent.ssh",
@@ -1626,16 +1772,28 @@ AC_DEFINE_UNQUOTED(BUILD_REVISION, "$BUILD_REVISION",
                    [GIT commit id revision used to build this package])
 
 changequote(,)dnl
-BUILD_FILEVERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./;s/\./,/g'`
+BUILD_VERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./'`
 changequote([,])dnl
-BUILD_FILEVERSION="${BUILD_FILEVERSION}mym4_revision_dec"
+BUILD_VERSION="${BUILD_VERSION}mym4_revision_dec"
+BUILD_FILEVERSION=`echo "${BUILD_VERSION}" | tr . ,`
+AC_SUBST(BUILD_VERSION)
 AC_SUBST(BUILD_FILEVERSION)
 
-BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
+AC_ARG_ENABLE([build-timestamp],
+  AC_HELP_STRING([--enable-build-timestamp],
+                 [set an explicit build timestamp for reproducibility.
+                  (default is the current time in ISO-8601 format)]),
+     [if test "$enableval" = "yes"; then
+        BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
+      else
+        BUILD_TIMESTAMP="$enableval"
+      fi
+      BUILD_HOSTNAME="$ac_hostname"],
+     [BUILD_TIMESTAMP="<none>"
+      BUILD_HOSTNAME="<anon>"])
 AC_SUBST(BUILD_TIMESTAMP)
 AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP",
                    [The time this package was configured for a build])
-BUILD_HOSTNAME="$ac_hostname"
 AC_SUBST(BUILD_HOSTNAME)
 
 
@@ -1684,16 +1842,8 @@ if test "$have_ksba" = "no"; then
 *** (at least version $NEED_KSBA_VERSION using API $NEED_KSBA_API is required).
 ***]])
 fi
-if test "$gnupg_have_ldap" = "no"; then
-    die=yes
-    AC_MSG_NOTICE([[
-***
-*** The Dirmngr part requires an LDAP library
-*** Check out
-***    http://www.openldap.org
-*** for a suitable implementation.
-***]])
-   if test "$have_w32ce_system" = yes; then
+if test "$gnupg_have_ldap" = yes; then
+  if test "$have_w32ce_system" = yes; then
     AC_MSG_NOTICE([[
 *** Note that CeGCC might be broken, a package fixing this is:
 ***    http://files.kolab.org/local/windows-ce/
@@ -1727,6 +1877,17 @@ if test "$require_iconv" = yes; then
   fi
 fi
 
+if test "$use_ccid_driver" = yes; then
+  if test "$have_libusb" != yes; then
+    die=yes
+    AC_MSG_NOTICE([[
+***
+*** You need libusb to build the internal ccid driver.  Please
+*** install a libusb suitable for your system.
+***]])
+  fi
+fi
+
 if test "$die" = "yes"; then
     AC_MSG_ERROR([[
 ***
@@ -1740,7 +1901,6 @@ fi
 AC_CONFIG_FILES([ m4/Makefile
 Makefile
 po/Makefile.in
-gl/Makefile
 common/Makefile
 common/w32info-rc.h
 kbx/Makefile
@@ -1754,8 +1914,11 @@ tools/gpg-zip
 tools/Makefile
 doc/Makefile
 tests/Makefile
+tests/gpgscm/Makefile
 tests/openpgp/Makefile
+tests/migrations/Makefile
 tests/pkits/Makefile
+g10/gpg.w32-manifest
 ])
 
 
@@ -1775,6 +1938,7 @@ echo "
         G13:       $build_g13
         Dirmngr:   $build_dirmngr
         Gpgtar:    $build_gpgtar
+        WKS tools: $build_wks_tools
 
         Protect tool:      $show_gnupg_protect_tool_pgm
         LDAP wrapper:      $show_gnupg_dirmngr_ldap_pgm
@@ -1783,16 +1947,27 @@ echo "
         Default scdaemon:  $show_gnupg_scdaemon_pgm
         Default dirmngr:   $show_gnupg_dirmngr_pgm
 
-        Use standard socket: $use_standard_socket
         Dirmngr auto start:  $dirmngr_auto_start
         Readline support:    $gnupg_cv_have_readline
+        LDAP support:        $gnupg_have_ldap
         DNS SRV support:     $use_dns_srv
-        TLS support:         $have_gnutls
+        TLS support:         $use_tls_library
+        TOFU support:        $use_tofu
+        Tor support:         $show_tor_support
 "
 if test x"$use_regex" != xyes ; then
 echo "
         Warning: No regular expression support available.
                  OpenPGP trust signatures won't work.
-                 gpg-check-pattern will not be build.
+                 gpg-check-pattern will not be built.
 "
 fi
+if test "x${gpg_config_script_warn}" != x; then
+cat <<G10EOF
+        Warning: Mismatches between the target platform and the
+                 to be used libraries have been detected for:
+                  ${gpg_config_script_warn}
+                 Please check above for more warning messages.
+
+G10EOF
+fi