(memrchr): Fixed implementation. Problem pointed out
[gpgme.git] / configure.ac
index b597653cc52aba2f35ababd25a69be0cb8e5ea70..1755a30f38d6f48cd8e301253816d08428558197 100644 (file)
@@ -1,6 +1,6 @@
-# configure.in  for GPGME
+# configure.in for GPGME
 # Copyright (C) 2000 Werner Koch (dd9jn)
-# Copyright (C) 2001 g10 Code GmbH
+# Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH
 # 
 # This file is part of GPGME.
 # 
  
 # (Process this file with autoconf to produce a configure script.)
 
-AC_INIT(gpgme, 0.2.3a, [gnupg-devel@gnupg.org])
+AC_PREREQ(2.57)
+min_automake_version="1.7.6"
+
+# Version number: Remember to change it immediately *after* a release.
+AC_INIT(gpgme, 0.4.5-cvs, [bug-gpgme@gnupg.org])
+# LT Version numbers, remember to change them just *before* a release.
+#   (Code changed:                     REVISION++)
+#   (Interfaces added/removed/changed: CURRENT++, REVISION=0)
+#   (Interfaces added:                 AGE++)
+#   (Interfaces removed/changed:       AGE=0)
+#
+LIBGPGME_LT_CURRENT=13
+# Subtract 2 from this value if you want to make the LFS transition an
+# ABI break.  [Note to self: Remove this comment with the next regular break.]
+LIBGPGME_LT_AGE=2
+LIBGPGME_LT_REVISION=0
+NEED_GPG_VERSION=1.2.2
+NEED_GPGSM_VERSION=1.9.3
+##############################################
 AC_PREREQ(2.52)
 AC_REVISION($Revision$)
 
+PACKAGE=$PACKAGE_NAME
+VERSION=$PACKAGE_VERSION
+
 AC_CONFIG_SRCDIR(gpgme/gpgme.h)
 AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE(gpgme, 0.2.3a)
+AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
 AM_MAINTAINER_MODE
+AC_CANONICAL_HOST
+
+AH_VERBATIM([_GNU_SOURCE],
+[/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif])
+
+AH_VERBATIM([_REENTRANT],
+[/* To allow the use of GPGME in multithreaded programs we have to use
+  special features from the library.
+  IMPORTANT: gpgme is not yet fully reentrant and you should use it
+  only from one thread.  */
+#ifndef _REENTRANT
+# define _REENTRANT 1
+#endif])
+
 
 AC_PROG_CC
 
-# Version numbers (Remember to change them just before a release.)
-#   (Interfaces removed:    CURRENT++, AGE=0, REVISION=0)
-#   (Interfaces added:      CURRENT++, AGE++, REVISION=0)
-#   (No interfaces changed:                   REVISION++)
-# XXXX new functions
-LIBGPGME_LT_CURRENT=4
-LIBGPGME_LT_AGE=4
-LIBGPGME_LT_REVISION=0
-NEED_GPG_VERSION=1.0.6
-NEED_GPGSM_VERSION=0.0.0
-##############################################
 
 AC_SUBST(LIBGPGME_LT_CURRENT)
 AC_SUBST(LIBGPGME_LT_AGE)
 AC_SUBST(LIBGPGME_LT_REVISION)
-AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION")
-AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION")
+AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
+                                    [Min. needed GnuPG version.])
+AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
+                                      [Min. needed GPGSM version.])
 
-dnl Don't default to build static libs.
-dnl AC_DISABLE_STATIC
+AC_SUBST(PACKAGE)
+AC_SUBST(VERSION)
+AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
+AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
+
+# Don't default to build static libs.
+AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
 
+# For now we hardcode the use of version scripts.  It would be better
+# to write a test for this or even implement this within libtool.
+have_ld_version_script=no
+case "${host}" in
+    *-*-linux*)
+       have_ld_version_script=yes
+        ;;
+    *-*-gnu*)
+       have_ld_version_script=yes
+        ;;
+esac
+AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
+
 GPG_DEFAULT=no
 GPGSM_DEFAULT=no
 component_system=None
-case "${target}" in
+case "${host}" in
     *-*-mingw32* | i?86-emx-os2 | i?86-*-os2*emx | i?86-*-msdosdjgpp* )
         # special stuff for Windoze NT
         # OS/2 with the EMX environment
         # DOS with the DJGPP environment
-        AC_DEFINE(HAVE_DRIVE_LETTERS)
-        AC_DEFINE(HAVE_DOSISH_SYSTEM)
+        AC_DEFINE(HAVE_DRIVE_LETTERS, ,
+                 [Defined if we run on some of the PCDOS like systems (DOS,
+                  Windoze, OS/2) with special properties like no file modes.])
+        AC_DEFINE(HAVE_DOSISH_SYSTEM, ,
+                 [Defined if the filesystem uses driver letters.])
+       have_dosish_system=yes
         GPG_DEFAULT='c:\\gnupg\\gpg.exe'
-        GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
+       # XXX Assuan is not supported in this configuration.
+       #GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
         #component_system='COM+'
         ;;
     *)
-dnl    # XXX: Probably use exec-prefix here?
-dnl    GPG_DEFAULT='/usr/bin/gpg'
-dnl    GPGSM_DEFAULT='/usr/bin/gpgsm'
+       AC_CHECK_PTH(1.2.0,,,no,have_pth=yes)
+       if test "$have_pth" = yes; then
+         AC_DEFINE(HAVE_PTH, ,[Define if we have Pth.])
+         CFLAGS="$CFLAGS $PTH_CFLAGS"
+       fi
+       AC_CHECK_LIB(pthread,pthread_create,have_pthread=yes)
+       if test "$have_pthread" = yes; then
+         AC_DEFINE(HAVE_PTHREAD, ,[Define if we have pthread.])
+       fi
+
+       # XXX: Probably use exec-prefix here?
+#      GPG_DEFAULT='/usr/bin/gpg'
+#      GPGSM_DEFAULT='/usr/bin/gpgsm'
        ;;
 esac
+AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = "yes")
+AM_CONDITIONAL(HAVE_PTH, test "$have_pth" = "yes")
+AM_CONDITIONAL(HAVE_PTHREAD, test "$have_pthread" = "yes")
 
-dnl
-dnl Checks for libraries.
-dnl
-
-dnl FIXME: check whether Bonobo is installed
 
-dnl
-dnl Checks for header files.
-dnl
+# Checks for header files.
+AC_CHECK_HEADERS(sys/select.h)
 
-dnl
-dnl Checks for typedefs and structures.
-dnl
-GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
-GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
-GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
-GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
-GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
 
-# We should not use them in this software;
-# However jnlib/types.h needs them - so we take the easy way.
-AC_CHECK_SIZEOF(unsigned short)
+# Type checks.
 AC_CHECK_SIZEOF(unsigned int)
-AC_CHECK_SIZEOF(unsigned long)
-
-dnl
-dnl Checks for compiler features.
-dnl
+AC_SYS_LARGEFILE
+AC_TYPE_OFF_T
 
+# Checks for compiler features.
 if test "$GCC" = yes; then
     CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
 fi
 
-dnl
-dnl Checks for library functions.
-dnl
-dnl These are needed by libjnlib
-AC_CHECK_FUNCS(memicmp stpcpy strlwr strtoul memmove stricmp)
 
-dnl
-dnl Checks for system services
-dnl
+# Checks for library functions.
+AC_FUNC_FSEEKO
+
+AC_REPLACE_FUNCS(stpcpy)
 
+AC_REPLACE_FUNCS(vasprintf)
+if test "$ac_cv_func_vasprintf" != yes; then
+  GNUPG_CHECK_VA_COPY
+fi
+
+# Try to find a thread-safe version of getenv().
+have_thread_safe_getenv=no
+jm_GLIBC21
+if test $GLIBC21 = yes; then
+  have_thread_safe_getenv=yes
+fi
+if test $have_thread_safe_getenv = yes; then
+  AC_DEFINE(HAVE_THREAD_SAFE_GETENV, [1], [Define if getenv() is thread-safe])
+fi
+have_getenv_r=no
+AC_CHECK_FUNCS(getenv_r, have_getenv_r=yes)
+if test $have_getenv_r = no && test $have_thread_safe_getenv = no; then
+  AC_MSG_WARN([
+***
+*** getenv() is not thread-safe and getenv_r() does not exist
+***])
+fi
+
+# For converting time strings to seconds since Epoch, we need the timegm
+# function.
+AC_CHECK_FUNCS(timegm)
+if test "$ac_cv_func_timegm" != yes; then
+  AC_MSG_WARN([
+***
+*** timegm() not available - a non-thread-safe kludge will be used
+*** and the TZ variable might be changed at runtime.
+***])
+fi
+
+# Checking for libgpg-error.
+AM_PATH_GPG_ERROR(0.5,, AC_MSG_ERROR([libgpg-error was not found]))
+AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
+          [The default error source for GPGME.])
+
+
+
+# Checks for system services
 NO_OVERRIDE=no
 AC_ARG_WITH(gpg,
            AC_HELP_STRING([--with-gpg=PATH], [use GnuPG binary at PATH]),
@@ -134,13 +219,19 @@ fi
 if test "$GPG" = no; then
   if test "$NO_OVERRIDE" = "yes"; then
     if test "$cross_compiling" != "yes"; then
-      AC_MSG_WARN([Could not find GnuPG, install GnuPG or use --with-gpg=PATH to enable it])
+      AC_MSG_WARN([
+***
+*** Could not find GnuPG, install GnuPG or use --with-gpg=PATH to enable it
+***])
     else
-      AC_MSG_ERROR([Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH])
+      AC_MSG_ERROR([
+***
+*** Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH
+***])
     fi
   fi
 else
-  AC_DEFINE_UNQUOTED(GPG_PATH, "$GPG")
+  AC_DEFINE_UNQUOTED(GPG_PATH, "$GPG", [Path to the GnuPG binary.])
   AC_SUBST(GPG)
 fi
 AM_CONDITIONAL(RUN_GPG_TESTS,
@@ -164,48 +255,69 @@ fi
 if test "$GPGSM" = no; then
   if test "$NO_OVERRIDE" = "yes"; then
     if test "$cross_compiling" != "yes"; then
-      AC_MSG_WARN([Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it])
+      AC_MSG_WARN([
+***
+*** Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it
+***])
     else
-      AC_MSG_ERROR([Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH])
+      AC_MSG_ERROR([
+***
+*** Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH
+***])
     fi
   fi
 else
-  AC_DEFINE_UNQUOTED(GPGSM_PATH, "$GPGSM")
+  AC_DEFINE_UNQUOTED(GPGSM_PATH, "$GPGSM", [Path to the GPGSM binary.])
   AC_SUBST(GPGSM)
 fi
+AM_CONDITIONAL(HAVE_GPGSM, [test -n "$GPGSM" && test -r "$GPGSM"])
 AM_CONDITIONAL(RUN_GPGSM_TESTS,
   [test "$cross_compiling" != "yes" && test -n "$GPGSM" && test -r "$GPGSM"])
 
-dnl
-dnl Create config files 
-dnl
-
-/* FIXME: Only build if supported.  */
+# FIXME: Only build if supported.
 AM_CONDITIONAL(BUILD_ASSUAN, test "$GPGSM" != "no")
 
-AM_CONDITIONAL(BUILD_COMPLUS, test "$component_system" = "COM+")
-AM_CONDITIONAL(BUILD_BONOBO,  test "$component_system" = "Bonobo")
+if test "$GPGSM" != "no"; then
+  AC_CHECK_FUNCS(funopen)
+  if test $ac_cv_func_funopen != yes; then
+    # No funopen but we can implement that in terms of fopencookie.
+    AC_CHECK_FUNCS(fopencookie)
+    if test $ac_cv_func_fopencookie = yes; then
+        AC_LIBOBJ([funopen])
+    else
+        AC_MSG_ERROR([No implementation of fopencookie or funopen available])
+    fi
+  fi
+
+  AC_REPLACE_FUNCS(isascii)
+  AC_REPLACE_FUNCS(putc_unlocked)
+  AC_REPLACE_FUNCS(memrchr)
+fi
 
-GPGMEPLUG=no
-AC_ARG_ENABLE(gpgmeplug,
-           AC_HELP_STRING([--enable-gpgmeplug], [build GPGME Crypt Plug-In]),
-           GPGMEPLUG=$enableval)
-AM_CONDITIONAL(BUILD_GPGMEPLUG, test "$GPGMEPLUG" = "yes")
 
-dnl Make the version number in gpgme/gpgme.h the same as the one here.
-dnl (this is easier than to have a *.in file just for one substitution)
+AM_CONDITIONAL(BUILD_COMPLUS, test "$component_system" = "COM+")
+
+# Make the version number in gpgme/gpgme.h the same as the one here.
+# (this is easier than to have a *.in file just for one substitution)
 GNUPG_FIX_HDR_VERSION(gpgme/gpgme.h, GPGME_VERSION)
 
-dnl Substitution used for gpgme-config 
-GPGME_LIBS="-L${libdir} -lgpgme"
-GPGME_CFLAGS=""
-AC_SUBST(GPGME_LIBS)
-AC_SUBST(GPGME_CFLAGS)
+# Substitution used for gpgme-config 
+GPGME_CONFIG_LIBS="-lgpgme"
+GPGME_CONFIG_CFLAGS=""
+AC_SUBST(GPGME_CONFIG_LIBS)
+AC_SUBST(GPGME_CONFIG_CFLAGS)
+
+# Frob'da Variables
+LTLIBOBJS=`echo "$LIB@&t@OBJS" |
+           sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`
+AC_SUBST(LTLIBOBJS)
 
-AC_CONFIG_FILES(Makefile assuan/Makefile jnlib/Makefile gpgme/Makefile
+#
+# Create config files 
+
+AC_CONFIG_FILES(Makefile assuan/Makefile gpgme/Makefile
                tests/Makefile tests/gpg/Makefile tests/gpgsm/Makefile
-               doc/Makefile
-               bonobo/Makefile complus/Makefile gpgmeplug/Makefile)
+               doc/Makefile complus/Makefile)
 AC_CONFIG_FILES(gpgme/gpgme-config, chmod +x gpgme/gpgme-config)
 AC_OUTPUT
 
@@ -217,6 +329,4 @@ echo "
 
         GpgSM version: min. $NEED_GPGSM_VERSION
        GpgSM path:    $GPGSM
-
-       GPGME CryptPlug: $GPGMEPLUG
 "