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+# configure.in for GPGME
+# Copyright (C) 2000 Werner Koch (dd9jn)
+# Copyright (C) 2001, 2002, 2003 g10 Code GmbH
+#
+# This file is part of GPGME.
+#
+# GPGME is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# GPGME is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+
+# (Process this file with autoconf to produce a configure script.)
+
+#AC_PREREQ(2.57)
+#min_automake_version="1.7.6"
+
+# Version number: Remember to change it immediately *after* a release.
+#AC_INIT(gpgme, 0.4.4, [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: AGE=0)
+#
+#LIBGPGME_LT_CURRENT=12
+#LIBGPGME_LT_AGE=1
+#LIBGPGME_LT_REVISION=1
+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($PACKAGE, $VERSION)
+#AM_MAINTAINER_MODE
+#AC_CANONICAL_HOST
+
+AH_VERBATIM([_GNU_SOURCE],
+[/* Enable GNU extensions on systems that have them. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif])
+
+dnl AH_VERBATIM([_REENTRANT],
+dnl [/* To allow the use of GPGME in multithreaded programs we have to use
+dnl special features from the library.
+dnl IMPORTANT: gpgme is not yet fully reentrant and you should use it
+dnl only from one thread. */
+dnl #ifndef _REENTRANT
+dnl # define _REENTRANT 1
+dnl #endif])
+
+
+dnl AC_PROG_CC
+
+
+dnl AC_SUBST(LIBGPGME_LT_CURRENT)
+dnl AC_SUBST(LIBGPGME_LT_AGE)
+dnl AC_SUBST(LIBGPGME_LT_REVISION)
+AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
+ [Min. needed GnuPG version.])
+AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
+ [Min. needed GPGSM version.])
+
+dnl AC_SUBST(PACKAGE)
+dnl AC_SUBST(VERSION)
+dnl AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
+dnl AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
+
+# Don't default to build static libs.
+dnl AC_DISABLE_STATIC
+dnl AC_PROG_LIBTOOL
+
+dnl # For now we hardcode the use of version scripts. It would be better
+dnl # to write a test for this or even implement this within libtool.
+dnl have_ld_version_script=no
+dnl case "${host}" in
+dnl *-*-linux*)
+dnl have_ld_version_script=yes
+dnl ;;
+dnl *-*-gnu*)
+dnl have_ld_version_script=yes
+dnl ;;
+dnl esac
+dnl AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
+
+GPG_DEFAULT=no
+GPGSM_DEFAULT=no
+component_system=None
+case "${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, ,
+ [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'
+ # XXX Assuan is not supported in this configuration.
+ #GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
+ #component_system='COM+'
+ ;;
+ *)
+dnl AC_CHECK_PTH(1.2.0,,,no,have_pth=yes)
+dnl if test "$have_pth" = yes; then
+dnl AC_DEFINE(HAVE_PTH, ,[Define if we have Pth.])
+dnl CFLAGS="$CFLAGS $PTH_CFLAGS"
+dnl fi
+dnl AC_CHECK_LIB(pthread,pthread_create,have_pthread=yes)
+dnl if test "$have_pthread" = yes; then
+dnl AC_DEFINE(HAVE_PTHREAD, ,[Define if we have pthread.])
+dnl fi
+
+ # XXX: Probably use exec-prefix here?
+# GPG_DEFAULT='/usr/bin/gpg'
+# GPGSM_DEFAULT='/usr/bin/gpgsm'
+ ;;
+esac
+
+if test "$have_dosish_system" = yes; then
+ AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
+ [Defined if we run on some of the PCDOS like systems·
+ (DOS, Windoze. OS/2) with special properties like
+ no file modes])
+fi
+AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = "yes")
+dnl AM_CONDITIONAL(HAVE_PTH, test "$have_pth" = "yes")
+dnl AM_CONDITIONAL(HAVE_PTHREAD, test "$have_pthread" = "yes")
+dnl dnl
+
+# Checks for header files.
+AC_CHECK_HEADERS(sys/select.h)
+
+
+# Type checks.
+AC_CHECK_SIZEOF(unsigned int)
+
+
+# Checks for compiler features.
+dnl if test "$GCC" = yes; then
+dnl GPGME_OWN_CFLAGS="-Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+dnl else
+dnl GPGME_OWN_CFLAGS=""
+dnl fi
+dnl AC_SUBST(GPGME_OWN_CFLAGS)
+
+
+# Checks for library functions.
+AC_CHECK_FUNCS(stpcpy)
+
+AC_CHECK_FUNCS(vasprintf)
+if test "$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
+
+dnl Definition of jm_GLIBC21 inlined:
+ AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
+ ac_cv_gnu_library_2_1,
+ [AC_EGREP_CPP([Lucky GNU user],
+ [
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
+ Lucky GNU user
+ #endif
+#endif
+ ],
+ ac_cv_gnu_library_2_1=yes,
+ ac_cv_gnu_library_2_1=no)
+ ]
+ )
+ AC_SUBST(GLIBC21)
+ GLIBC21="$ac_cv_gnu_library_2_1"
+
+dnl
+
+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
+
+# Add a few constants to help porting to W32
+AH_VERBATIM([SEPCONSTANTS],
+[
+/* Separators as used in file names and $PATH. Please note that the
+ string version must not contain more than one character because
+ the using code assumes strlen()==1 */
+#ifdef HAVE_DOSISH_SYSTEM
+#define DIRSEP_C '\\\\'
+#define EXTSEP_C '.'
+#define DIRSEP_S "\\\\"
+#define EXTSEP_S "."
+#define PATHSEP_C ';'
+#define PATHSEP_S ";"
+#else
+#define DIRSEP_C '/'
+#define EXTSEP_C '.'
+#define DIRSEP_S "/"
+#define EXTSEP_S "."
+#define PATHSEP_C ':'
+#define PATHSEP_S ":"
+#endif
+])
+
+AH_BOTTOM([
+/* Definition of GCC specific attributes. */
+#if __GNUC__ > 2
+# define GPGME_GCC_A_PURE __attribute__ ((__pure__))
+#else
+# define GPGME_GCC_A_PURE
+#endif
+])
+
+dnl # Checking for libgpg-error.
+dnl AM_PATH_GPG_ERROR(0.5,, AC_MSG_ERROR([libgpg-error was not found]))
+dnl AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
+dnl [The default error source for GPGME.])
+
+
+
+# Checks for system services
+NO_OVERRIDE=no
+AC_ARG_WITH(gpg,
+ AC_HELP_STRING([--with-gpg=PATH], [use GnuPG binary at PATH]),
+ GPG=$withval, NO_OVERRIDE=yes)
+if test "$NO_OVERRIDE" = "yes" || test "$GPG" = "yes"; then
+ GPG=
+ NO_OVERRIDE=yes
+ if test "$cross_compiling" != "yes"; then
+ AC_PATH_PROG(GPG, gpg)
+ fi
+ if test -z "$GPG"; then
+ GPG="$GPG_DEFAULT"
+ fi
+fi
+if test "$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
+***])
+ else
+ AC_MSG_ERROR([
+***
+*** Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH
+***])
+ fi
+ fi
+else
+ AC_DEFINE_UNQUOTED(GPG_PATH, "$GPG", [Path to the GnuPG binary.])
+ AC_SUBST(GPG)
+fi
+AM_CONDITIONAL(RUN_GPG_TESTS,
+ [test "$cross_compiling" != "yes" && test -n "$GPG" && test -r "$GPG"])
+AC_SUBST(GPG_PATH)
+
+NO_OVERRIDE=no
+AC_ARG_WITH(gpgsm,
+ AC_HELP_STRING([--with-gpgsm=PATH], [use GpgSM binary at PATH]),
+ GPGSM=$withval, NO_OVERRIDE=yes)
+if test "$NO_OVERRIDE" = "yes" || test "$GPGSM" = "yes"; then
+ GPGSM=
+ NO_OVERRIDE=yes
+ if test "$cross_compiling" != "yes"; then
+ AC_PATH_PROG(GPGSM, gpgsm)
+ fi
+ if test -z "$GPGSM"; then
+ GPGSM="$GPGSM_DEFAULT"
+ fi
+fi
+if test "$GPGSM" = no; then
+ if test "$NO_OVERRIDE" = "yes"; then
+ if test "$cross_compiling" != "yes"; then
+ AC_MSG_WARN([
+***
+*** Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it
+***])
+ else
+ AC_MSG_ERROR([
+***
+*** Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH
+***])
+ fi
+ fi
+else
+ AC_DEFINE_UNQUOTED(GPGSM_PATH, "$GPGSM", [Path to the GPGSM binary.])
+ AC_SUBST(GPGSM)
+fi
+AM_CONDITIONAL(HAVE_GPGSM, [test -n "$GPGSM" && test -r "$GPGSM"])
+dnl AM_CONDITIONAL(RUN_GPGSM_TESTS,
+dnl [test "$cross_compiling" != "yes" && test -n "$GPGSM" && test -r "$GPGSM"])
+
+dnl # FIXME: Only build if supported.
+dnl AM_CONDITIONAL(BUILD_ASSUAN, test "$GPGSM" != "no")
+
+AC_CHECK_FUNCS(funopen)
+
+if test "$GPGSM" != "no"; then
+ if test $ac_cv_func_funopen != yes; then
+ # No funopen but we can implement that in terms of fopencookie.
+ AC_CHECK_FUNCS(fopencookie, funopen, AC_MSG_ERROR([[No implementation of fopencookie or funopen available.]]))
+ fi
+
+ dnl it's a #define !!!
+ dnl AC_CHECK_FUNCS(isascii)
+
+ AC_CHECK_FUNCS(putc_unlocked)
+ AC_CHECK_FUNCS(memrchr)
+fi
+
+# More assuan checks.
+AC_CHECK_HEADERS([sys/uio.h])
+
+echo "
+ GPGME v${VERSION} has been configured as follows:
+
+ GnuPG version: min. $NEED_GPG_VERSION
+ GnuPG path: $GPG
+
+ GpgSM version: min. $NEED_GPGSM_VERSION
+ GpgSM path: $GPGSM
+"