See ChangeLog: Mon Jul 31 10:04:47 CEST 2000 Werner Koch
[libgcrypt.git] / configure.in
index 5eb68ea..9cc324f 100644 (file)
@@ -8,22 +8,20 @@ dnl Must reset CDPATH so that bash's cd does not print to stdout
 CDPATH=
 
 AC_PREREQ(2.13)
-AC_INIT(g10/g10.c)
+AC_INIT(g10/gpg.c)
 AC_CONFIG_AUX_DIR(scripts)
 AM_CONFIG_HEADER(config.h)
+AC_CANONICAL_SYSTEM
+AM_INIT_AUTOMAKE(gnupg,`cat $srcdir/VERSION`)
 
-
-VERSION=`cat $srcdir/VERSION`
-PACKAGE=gnupg
-ALL_LINGUAS="de es_ES fr it pl pt_BR ru"
+ALL_LINGUAS="da de eo es_ES fr id it ja nl pl pt_BR pt_PT ru sv"
 static_modules="sha1 md5 rmd160"
-AC_SUBST(VERSION)
-AC_SUBST(PACKAGE)
-AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
-AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
+static_random_module=""
+
+AC_PROG_AWK
 
-MODULES_IN_CIPHER=`awk '/# MODULES: / { for(i=3;i<=NF;i++) print $i}' \
-                                                $srcdir/cipher/Makefile.am`
+MODULES_IN_CIPHER=`$AWK '/^EXTRA_PROGRAMS/ { for(i=3;i<=NF;i++) print $i}' \
+                                              $srcdir/cipher/Makefile.am`
 
 dnl
 dnl  Check for random module options
@@ -50,6 +48,8 @@ case "$use_static_rnd" in
       ;;
 esac
 
+
+
 dnl
 dnl See whether the user wants to disable checking for /dev/random
 
@@ -107,15 +107,48 @@ dnl Check wether we want to compile libgcrypt
 dnl
 AC_MSG_CHECKING([whether compilation of libgcrypt is requested])
 AC_ARG_ENABLE(libgcrypt,
-    [  --enable-libgcrypt      compile the libgcrypt [default=no]],
+    [  --enable-libgcrypt      compile the libgcrypt [default=yes]],
 [compile_libgcrypt="$enableval"],[compile_libgcrypt=no])
-AM_CONDITIONAL(COMPILE_LIBGCRYPT, test x$compile_libgcrypt = xyes)
 AC_MSG_RESULT($compile_libgcrypt)
+AM_CONDITIONAL(COMPILE_LIBGCRYPT, test x$compile_libgcrypt = xyes)
+
+
+dnl
+dnl Check whether we want to use Linux capabilities
+dnl
+AC_MSG_CHECKING([whether use of capabilities is requested])
+AC_ARG_WITH(capabilities,
+    [  --with-capabilities     use linux capabilities [default=no]],
+[use_capabilities="$withval"],[use_capabilities=no])
+AC_MSG_RESULT($use_capabilities)
 
 
+
+
+
+AM_MAINTAINER_MODE
+
 dnl Checks for programs.
 
-AC_CANONICAL_SYSTEM
+dnl
+dnl Setup some stuff depending on host/target.
+dnl
+case "${target}" in
+    *-*-mingw32*)
+        # special stuff for Windoze NT
+        # Do we need to set cross_compiling here or is it sufficient
+        # to rely on AC_PROG_CC which is called later?
+        cross_compiling=yes
+        CC="${target}-gcc"
+        CPP="${target}-gcc -E"
+        RANLIB="${target}-ranlib"
+        disallowed_modules="rndunix rndlinux rndegd"
+        ;;
+    *)
+        disallowed_modules="rndw32"
+       ;;
+esac
+
 AC_ARG_PROGRAM
 AC_PROG_MAKE_SET
 AM_SANITY_CHECK
@@ -129,42 +162,35 @@ AC_PROG_CC
 AC_PROG_CPP
 AC_ISC_POSIX
 AC_PROG_INSTALL
-AC_PROG_RANLIB
-AC_CHECK_PROG(DOCBOOK_TO_MAN, docbook-to-man, yes, no)
-AM_CONDITIONAL(HAVE_DOCBOOK_TO_MAN, test "$ac_cv_prog_DOCBOOK_TO_MAN" = yes)
+AC_PROG_AWK
+GPH_PROG_DOCBOOK
 
 
-
-if test x$compile_libgcrypt = xyes; then
-   dnl Don't default to build shared libs
-   AM_DISABLE_SHARED
-   AM_PROG_LIBTOOL
-fi
+dnl
+dnl Build shared libraries only when compilation of libgcrypt
+dnl has been requested
+dnl
+AM_DISABLE_STATIC
+AM_PROG_LIBTOOL
 
 
 MPI_OPT_FLAGS=""
-if test "$GCC" = yes; then
-    CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
-fi
 
 
 try_gettext=yes
 try_gdbm=yes
 case "${target}" in
-    i386--mingw32)
+    *-*-mingw32*)
         # special stuff for Windoze NT
-        cross_compiling=yes
-        CC="i386--mingw32-gcc"
-        CPP="i386--mingw32-gcc -E"
-        RANLIB="i386--mingw32-ranlib"
         ac_cv_have_dev_random=no
         AC_DEFINE(USE_ONLY_8DOT3)
         AC_DEFINE(HAVE_DRIVE_LETTERS)
         AC_DEFINE(HAVE_DOSISH_SYSTEM)
+        AC_DEFINE(USE_SIMPLE_GETTEXT)
         try_gettext="no"
         try_gdbm="no"
         ;;
-    i386-emx-os2 | i[3456]86-pc-os2emx )
+    i?86-emx-os2 | i?86-*-os2*emx )
         # OS/2 with the EMX environment
         ac_cv_have_dev_random=no
         AC_DEFINE(HAVE_DRIVE_LETTERS)
@@ -172,6 +198,22 @@ case "${target}" in
         try_gettext="no"
         try_gdbm="no"
         ;;
+
+    i?86-*-msdosdjgpp*)
+        # DOS with the DJGPP environment
+        ac_cv_have_dev_random=no
+        AC_DEFINE(HAVE_DRIVE_LETTERS)
+        AC_DEFINE(HAVE_DOSISH_SYSTEM)
+        try_gettext="no"
+        try_gdbm="no"
+        ;;
+
+    *-*-freebsd*)
+       # FreeBSD
+       CPPFLAGS="$CPPFLAGS -I/usr/local/include"
+       LDFLAGS="$LDFLAGS -L/usr/local/lib"
+       ;;
+
     *-*-hpux*)
         if test -z "$GCC" ; then
             CFLAGS="$CFLAGS -Ae -D_HPUX_SOURCE"
@@ -193,22 +235,30 @@ esac
 AC_SUBST(MPI_OPT_FLAGS)
 GNUPG_SYS_SYMBOL_UNDERSCORE
 GNUPG_CHECK_PIC
-GNUPG_CHECK_RDYNAMIC
+GNUPG_CHECK_EXPORTDYNAMIC
 if test "$NO_PIC" = yes; then
     try_dynload=no
 fi
 
 
 case "${target}" in
-    i386--mingw32)
+    *-*-mingw32*)
         PRINTABLE_OS_NAME="MingW32"
         ;;
-    i386-emx-os2 | i[3456]86-pc-os2emx)
+    i?86-emx-os2 | i?86-*-os2*emx )
         PRINTABLE_OS_NAME="OS/2"
         ;;
+    i?86-*-msdosdjgpp*)
+        PRINTABLE_OS_NAME="MSDOS/DJGPP"
+        try_dynload=no
+        ;;
     *-linux*)
         PRINTABLE_OS_NAME="GNU/Linux"
         ;;
+dnl let that after linux to avoid gnu-linux problems
+    *-gnu*)
+        PRINTABLE_OS_NAME="GNU/Hurd"
+        ;;
     *)
         PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
         ;;
@@ -223,6 +273,13 @@ case "${target}" in
         NAME_OF_DEV_URANDOM="/dev/urandom"
         DYNLINK_MOD_CFLAGS="-shared -rdynamic -fpic -Wl,-Bshareable -Wl,-x"
         ;;
+
+    *-netbsd*)
+        NAME_OF_DEV_RANDOM="/dev/random"
+        NAME_OF_DEV_URANDOM="/dev/urandom"
+        DYNLINK_MOD_CFLAGS="-shared -rdynamic -fpic -Wl,-Bshareable -Wl,-x"
+        ;;
+
     *)
         NAME_OF_DEV_RANDOM="/dev/random"
         NAME_OF_DEV_URANDOM="/dev/urandom"
@@ -278,21 +335,21 @@ if test "$try_dynload" = yes ; then
   if test "$ac_cv_lib_dl_dlopen" = "yes"; then
     AC_DEFINE(USE_DYNAMIC_LINKING)
     AC_DEFINE(HAVE_DL_DLOPEN)
-    DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC"
+    DYNLINK_LDFLAGS="$CFLAGS_EXPORTDYNAMIC"
     use_gnupg_extensions=yes
   else
-    AC_CHECK_LIB(c,dlopen)
-    if test "$ac_cv_lib_c_dlopen" = "yes"; then
+    AC_CHECK_FUNCS(dlopen)
+    if test "$ac_cv_func_dlopen" = "yes"; then
       AC_DEFINE(USE_DYNAMIC_LINKING)
       AC_DEFINE(HAVE_DL_DLOPEN)
-      DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC"
+      DYNLINK_LDFLAGS="$CFLAGS_EXPORTDYNAMIC"
       use_gnupg_extensions=yes
     else
       AC_CHECK_LIB(dld,shl_load)
       if test "$ac_cv_lib_dld_shl_load" = "yes"; then
         AC_DEFINE(USE_DYNAMIC_LINKING)
         AC_DEFINE(HAVE_DL_SHL_LOAD)
-        DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC"
+        DYNLINK_LDFLAGS="$CFLAGS_EXPORTDYNAMIC"
         use_gnupg_extensions=yes
 dnl -----------------
 dnl  DLD is not ready for use. So I better disable this test
@@ -301,7 +358,7 @@ dnl    AC_CHECK_LIB(dld,dld_link)
 dnl    if test "$ac_cv_lib_dld_dld_link" = "yes"; then
 dnl      AC_DEFINE(USE_DYNAMIC_LINKING)
 dnl      AC_DEFINE(HAVE_DLD_DLD_LINK)
-dnl      DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC"
+dnl      DYNLINK_LDFLAGS="$CFLAGS_EXPORTDYNAMIC"
 dnl      use_gnupg_extensions=yes
 dnl ---------------
       fi
@@ -322,7 +379,7 @@ AC_SUBST(DYNLINK_MOD_CFLAGS)
 
 dnl Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS(unistd.h langinfo.h)
+AC_CHECK_HEADERS(unistd.h langinfo.h termio.h)
 
 
 dnl Checks for typedefs, structures, and compiler characteristics.
@@ -344,6 +401,7 @@ GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
 AC_CHECK_SIZEOF(unsigned short, 2)
 AC_CHECK_SIZEOF(unsigned int, 4)
 AC_CHECK_SIZEOF(unsigned long, 4)
+AC_CHECK_SIZEOF(unsigned long long, 0)
 
 if test "$ac_cv_sizeof_unsigned_short" = "0" \
    || test "$ac_cv_sizeof_unsigned_int" = "0" \
@@ -355,11 +413,42 @@ fi
 
 dnl Checks for library functions.
 AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(strerror stpcpy strlwr tcgetattr rand strtoul mmap)
-AC_CHECK_FUNCS(memmove gettimeofday getrusage gethrtime setrlimit)
+AC_CHECK_FUNCS(strerror stpcpy strlwr stricmp tcgetattr rand strtoul mmap)
+AC_CHECK_FUNCS(memmove gettimeofday getrusage gethrtime setrlimit clock_gettime)
 AC_CHECK_FUNCS(memicmp atexit raise getpagesize strftime nl_langinfo)
+AC_CHECK_FUNCS(waitpid wait4 sigaction sigprocmask)
 
 GNUPG_CHECK_MLOCK
+GNUPG_FUNC_MKDIR_TAKES_ONE_ARG
+
+dnl
+dnl Check whether we can use Linux capabilities as requested
+dnl
+if test "$use_capabilities" = "yes" ; then
+use_capabilities=no
+AC_CHECK_HEADERS(sys/capability.h)
+if test "$ac_cv_header_sys_capability_h" = "yes" ; then
+  AC_CHECK_LIB(cap, cap_init, ac_need_libcap=1)
+  if test "$ac_cv_lib_cap_cap_init" = "yes"; then
+     AC_DEFINE(USE_CAPABILITIES)
+     LIBS="$LIBS -lcap"
+     use_capabilities=yes
+  fi
+fi
+if test "$use_capabilities" = "no" ; then
+    AC_MSG_WARN([[
+***
+*** The use of capabilities on this system is not possible.
+*** You need a recent Linux kernel and some patches:
+***   fcaps-2.2.9-990610.patch      (kernel patch for 2.2.9)
+***   fcap-module-990613.tar.gz     (kernel module)
+***   libcap-1.92.tar.gz            (user mode library and utilities)
+*** And you have to configure the kernel with CONFIG_VFS_CAP_PLUGIN
+*** set (filesystems menu). Be warned: This code is *really* ALPHA.
+***]])
+fi
+fi
+
 
 GNUPG_CHECK_IPC
 if test "$ac_cv_header_sys_shm_h" = "yes"; then
@@ -404,24 +493,28 @@ fi
 dnl
 dnl Figure out the default linkage mode for cipher modules
 dnl
-dnl (We always need a static rmd160)
-static_modules="$static_modules rmd160"
+print_egd_notice=no
 if test "$use_static_rnd" = default; then
   if test "$ac_cv_have_dev_random" = yes; then
-      static_modules="$static_modules rndlinux"
+      static_random_module="rndlinux"
   else
       case "${target}" in
-          i386--mingw32)
-              static_modules="$static_modules rndw32"
+          *-*-mingw32*)
+              static_random_module="rndw32"
+              AC_DEFINE(USE_STATIC_RNDW32)
               ;;
-          i386-emx-os2|i[3456]86-pc-os2emx)
-              static_modules="$static_modules rndos2"
+          i?86-emx-os2|i?86-*-os2*emx)
+              static_random_module="rndos2"
               ;;
           m68k-atari-mint)
-              static_modules="$static_modules rndatari"
+              static_random_module="rndatari"
+              ;;
+          i?86-*-msdosdjgpp*)
+              :
               ;;
           *)
-              static_modules="$static_modules rndunix"
+              static_random_module="rndunix"
+              print_egd_notice=yes
              ;;
       esac
   fi
@@ -429,31 +522,64 @@ else
   if test "$use_static_rnd" = none; then
     :
   else
-    static_modules="$static_modules rnd$use_static_rnd"
+    static_random_module="rnd$use_static_rnd"
+    if test "$use_static_rnd" = "unix"; then
+        print_egd_notice=yes
+    fi
   fi
 fi
 
+
+if test "$print_egd_notice" = "yes"; then
+    AC_MSG_WARN([[
+***
+*** The performance of the UNIX random gatherer module is not very good
+*** and it does not keep the entropy pool over multiple invocations of
+*** GnuPG.  The suggested way to overcome this problem is to use the
+***
+***               Entropy Gathering Daemon (EGD)
+***
+*** which provides a entropy source for the whole system.  It is written
+*** in Perl and available at the GnuPG FTP servers.  For more information
+*** consult the GnuPG webpages:
+***
+***           http://www.gnupg.org/download.html#egd
+***
+*** You may want to run ./configure with --enable-static-rnd=none to be
+*** able to load the EGD client code dynamically; this way you can choose
+*** between RNDUNIX and RNDEGD without recompilation.
+***]])
+fi
+
 dnl
 dnl Parse the modules list and build the list
 dnl of static and dymically linked modules
 dnl
+dnl (We always need a static rmd160)
+static_modules="$static_modules rmd160 $static_random_module"
 STATIC_CIPHER_NAMES=""
 STATIC_CIPHER_OBJS=""
 DYNAMIC_CIPHER_MODS=""
 GNUPG_MSG_PRINT([dynamically linked cipher modules:])
 for name in $MODULES_IN_CIPHER; do
-    x="no"
-    for i in $static_modules; do
-        if test "$name" = "$i" ; then
-            x="yes"
-        fi
+    x="yes"
+    for i in $disallowed_modules; do
+        if test "$name" = "$i" ; then x="no" ; fi
     done;
     if test $x = yes; then
-        STATIC_CIPHER_NAMES="$STATIC_CIPHER_NAMES $name"
-        STATIC_CIPHER_OBJS="$STATIC_CIPHER_OBJS $name.o"
-    else
-        DYNAMIC_CIPHER_MODS="$DYNAMIC_CIPHER_MODS $name"
-        GNUPG_MSG_PRINT([$name])
+        x="no"
+        for i in $static_modules; do
+            if test "$name" = "$i" ; then
+                x="yes"
+            fi
+        done;
+        if test $x = yes; then
+            STATIC_CIPHER_NAMES="$STATIC_CIPHER_NAMES $name"
+            STATIC_CIPHER_OBJS="$STATIC_CIPHER_OBJS $name.lo"
+        else
+            DYNAMIC_CIPHER_MODS="$DYNAMIC_CIPHER_MODS $name"
+            GNUPG_MSG_PRINT([$name])
+        fi
     fi
 done
 AC_MSG_RESULT()
@@ -520,7 +646,7 @@ if test "$ac_cv_mpi_extra_asm_modules" != ""; then
 GNUPG_MSG_PRINT([mpi extra asm functions:])
 for i in $ac_cv_mpi_extra_asm_modules; do
     GNUPG_MSG_PRINT([$i])
-    MPI_EXTRA_ASM_OBJS="$MPI_EXTRA_ASM_OBJS $i.o"
+    MPI_EXTRA_ASM_OBJS="$MPI_EXTRA_ASM_OBJS $i.lo"
 done
 AC_MSG_RESULT()
 fi
@@ -540,7 +666,7 @@ else
   fi
 fi
 
-if test "use_local_zlib" = yes ; then
+if test "$use_local_zlib" = yes ; then
     AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true)
     GNUPG_LINK_FILES(zlib/zlib.h, zlib.h )
     GNUPG_LINK_FILES(zlib/zconf.h, zconf.h )
@@ -553,36 +679,67 @@ fi
 AC_SUBST(ZLIBS)
 
 
+# Allow users to append something to the version string without
+# flagging it as development version.  The user version parts is
+# considered everything after a dash.
 changequote(,)dnl
 tmp_pat='[a-zA-Z]'
 changequote([,])dnl
-if echo "$VERSION" | grep $tmp_pat >/dev/null ; then
+if echo "$VERSION" | sed 's/-.*//' | grep "$tmp_pat" >/dev/null ; then
     AC_DEFINE(IS_DEVELOPMENT_VERSION)
 fi
 
+dnl Temp workarounds:
+GNUPG_LINK_FILES(gcrypt/gcrypt.h, gcrypt.h )
+GNUPG_LINK_FILES(include/types.h, gcrypt/types.h )
+
+AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes)
+
 GNUPG_DO_LINK_FILES
 
+GNUPG_CHECK_GNUMAKE
+
+if test "$GCC" = yes; then
+    if test "$MAINTAINER_MODE" = "yes"; then
+        CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+    else
+        CFLAGS="$CFLAGS -Wall"
+    fi
+fi
+
+dnl
+dnl Make the version number in gcrypt/gcrypt.h the same as the one here.
+dnl (this is easier than to have a .in file just for one substitution)
+dnl
+GNUPG_FIX_HDR_VERSION(gcrypt/gcrypt.h, GCRYPT_VERSION)
+
+GCRYPT_LIBS="-L${libdir} -lgcrypt"
+GCRYPT_CFLAGS=""
+AC_SUBST(GCRYPT_LIBS)
+AC_SUBST(GCRYPT_CFLAGS)
 
 AC_OUTPUT_COMMANDS([
-cat >g10defs.tmp <<G10EOF
+chmod +x scripts/db2html
+chmod +x gcrypt/gcrypt-config
+cat >gnupg-defs.tmp <<G10EOF
 /* Generated automatically by configure */
 #ifdef HAVE_DRIVE_LETTERS
-  #define G10_LOCALEDIR "c:/lib/gnupg/locale"
+  #define GNUPG_LOCALEDIR "c:/lib/gnupg/locale"
   #define GNUPG_LIBDIR  "c:/lib/gnupg"
   #define GNUPG_DATADIR "c:/lib/gnupg"
 #else
-  #define G10_LOCALEDIR "${prefix}/${DATADIRNAME}/locale"
+  #define GNUPG_LOCALEDIR "${prefix}/${DATADIRNAME}/locale"
   #define GNUPG_LIBDIR  "${libdir}/gnupg"
   #define GNUPG_DATADIR "${datadir}/gnupg"
 #endif
 G10EOF
-if cmp -s g10defs.h g10defs.tmp 2>/dev/null; then
-    echo "g10defs.h is unchanged"
-    rm -f g10defs.tmp
+if cmp -s gnupg-defs.h gnupg-defs.tmp 2>/dev/null; then
+    echo "gnupg-defs.h is unchanged"
+    rm -f gnupg-defs.tmp
 else
-    rm -f g10defs.h
-    mv g10defs.tmp g10defs.h
-    echo "g10defs.h created"
+    rm -f gnupg-defs.h
+    mv gnupg-defs.tmp gnupg-defs.h
+    echo "gnupg-defs.h created"
 fi
 ],[
 prefix=$prefix
@@ -595,17 +752,21 @@ DATADIRNAME=$DATADIRNAME
 
 AC_OUTPUT([
 Makefile
+scripts/db2html
 intl/Makefile
 po/Makefile.in
+jnlib/Makefile
 util/Makefile
 mpi/Makefile
 cipher/Makefile
 g10/Makefile
 doc/Makefile
+doc/version.sgml
 tools/Makefile
 zlib/Makefile
 checks/Makefile
 gcrypt/Makefile
+gcrypt/gcrypt-config
 ])
 
 dnl *-*wedit:notab*-*  Please keep this as the last line.