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