--- /dev/null
+dnl Autoconf macros for libgpgme
+dnl $Id$
+
+# Configure paths for GPGME
+# Shamelessly stolen from the one of XDELTA by Owen Taylor
+# Werner Koch 2000-11-17
+
+dnl AM_PATH_GPGME([MINIMUM-VERSION,
+dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
+dnl Test for gpgme, and define GPGME_CFLAGS and GPGME_LIBS
+dnl
+AC_DEFUN(AM_PATH_GPGME,
+[dnl
+dnl Get the cflags and libraries from the gpgme-config script
+dnl
+ AC_ARG_WITH(gpgme-prefix,
+ [ --with-gpgme-prefix=PFX Prefix where gpgme is installed (optional)],
+ gpgme_config_prefix="$withval", gpgme_config_prefix="")
+ AC_ARG_ENABLE(gpgmetest,
+ [ --disable-gpgmetest Do not try to compile and run a test gpgme program],
+ , enable_gpgmetest=yes)
+
+ if test x$gpgme_config_prefix != x ; then
+ gpgme_config_args="$gpgme_config_args --prefix=$gpgme_config_prefix"
+ if test x${GPGME_CONFIG+set} != xset ; then
+ GPGME_CONFIG=$gpgme_config_prefix/bin/gpgme-config
+ fi
+ fi
+
+ AC_PATH_PROG(GPGME_CONFIG, gpgme-config, no)
+ min_gpgme_version=ifelse([$1], ,1.0.0,$1)
+ AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version)
+ no_gpgme=""
+ if test "$GPGME_CONFIG" = "no" ; then
+ no_gpgme=yes
+ else
+ GPGME_CFLAGS=`$GPGME_CONFIG $gpgme_config_args --cflags`
+ GPGME_LIBS=`$GPGME_CONFIG $gpgme_config_args --libs`
+ gpgme_config_version=`$GPGME_CONFIG $gpgme_config_args --version`
+ if test "x$enable_gpgmetest" = "xyes" ; then
+ ac_save_CFLAGS="$CFLAGS"
+ ac_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $GPGME_CFLAGS"
+ LIBS="$LIBS $GPGME_LIBS"
+dnl
+dnl Now check if the installed gpgme is sufficiently new. Also sanity
+dnl checks the results of gpgme-config to some extent
+dnl
+ rm -f conf.gpgmetest
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <gpgme.h>
+
+int
+main ()
+{
+ system ("touch conf.gpgmetest");
+
+ if( strcmp( gpgme_check_version(NULL), "$gpgme_config_version" ) )
+ {
+ printf("\n"
+"*** 'gpgme-config --version' returned %s, but GPGME (%s) was found!\n",
+ "$gpgme_config_version", gpgme_check_version(NULL) );
+ printf(
+"*** If gpgme-config was correct, then it is best to remove the old\n"
+"*** version of GPGME. You may also be able to fix the error\n"
+"*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"
+"*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"
+"*** required on your system.\n"
+"*** If gpgme-config was wrong, set the environment variable GPGME_CONFIG\n"
+"*** to point to the correct copy of gpgme-config, \n"
+"*** and remove the file config.cache before re-running configure\n"
+ );
+ }
+ else if ( strcmp(gpgme_check_version(NULL), GPGME_VERSION ) )
+ {
+ printf("\n*** GPGME header file (version %s) does not match\n",
+ GPGME_VERSION);
+ printf("*** library (version %s)\n", gpgme_check_version(NULL) );
+ }
+ else
+ {
+ if ( gpgme_check_version( "$min_gpgme_version" ) )
+ return 0;
+ printf("no\n"
+"*** An old version of GPGME (%s) was found.\n", gpgme_check_version(NULL) );
+ printf(
+"*** You need a version of GPGME newer than %s.\n", "$min_gpgme_version" );
+ printf(
+"*** The latest version of GPGME is always available at\n"
+"*** ftp://ftp.gnupg.org/pub/gcrypt/alpha/gpgme/\n"
+"*** \n"
+"*** If you have already installed a sufficiently new version, this error\n"
+"*** probably means that the wrong copy of the gpgme-config shell script is\n"
+"*** being found. The easiest way to fix this is to remove the old version\n"
+"*** of GPGME, but you can also set the GPGME_CONFIG environment to point to\n"
+"*** the correct copy of gpgme-config. (In this case, you will have to\n"
+"*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"
+"*** so that the correct libraries are found at run-time).\n"
+ );
+ }
+ return 1;
+}
+],, no_gpgme=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ if test "x$no_gpgme" = x ; then
+ AC_MSG_RESULT(yes)
+ ifelse([$2], , :, [$2])
+ else
+ if test -f conf.gpgmetest ; then
+ :
+ else
+ AC_MSG_RESULT(no)
+ fi
+ if test "$GPGME_CONFIG" = "no" ; then
+ echo "*** The gpgme-config script installed by GPGME could not be found"
+ echo "*** If GPGME was installed in PREFIX, make sure PREFIX/bin is in"
+ echo "*** your path, or set the GPGME_CONFIG environment variable to the"
+ echo "*** full path to gpgme-config."
+ else
+ if test -f conf.gpgmetest ; then
+ :
+ else
+ echo "*** Could not run gpgme test program, checking why..."
+ CFLAGS="$CFLAGS $GPGME_CFLAGS"
+ LIBS="$LIBS $GPGME_LIBS"
+ AC_TRY_LINK([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <gpgme.h>
+], [ gpgme_check_version(NULL); return 0 ],
+ [
+echo "*** The test program compiled, but did not run. This usually means"
+echo "*** that the run-time linker is not finding GPGME or finding the wrong"
+echo "*** version of GPGME. If it is not finding GPGME, you'll need to set your"
+echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
+echo "*** to the installed location Also, make sure you have run ldconfig if"
+echo "*** that is required on your system"
+echo "***"
+echo "*** If you have an old version installed, it is best to remove it,"
+echo "*** although you may also be able to get things to work by"
+echo "*** modifying LD_LIBRARY_PATH"
+echo "***"
+ ],
+ [
+echo "*** The test program failed to compile or link. See the file config.log"
+echo "*** for the exact error that occured. This usually means GPGME was"
+echo "*** incorrectly installed or that you have moved GPGME since it was"
+echo "*** installed. In the latter case, you may want to edit the"
+echo "*** gpgme-config script: $GPGME_CONFIG"
+ ])
+ CFLAGS="$ac_save_CFLAGS"
+ LIBS="$ac_save_LIBS"
+ fi
+ fi
+ GPGME_CFLAGS=""
+ GPGME_LIBS=""
+ ifelse([$3], , :, [$3])
+ fi
+ AC_SUBST(GPGME_CFLAGS)
+ AC_SUBST(GPGME_LIBS)
+ rm -f conf.gpgmetest
+])
+