From 69e450b6b954ae73c01addc0a3d75ad8de5c1c71 Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos Date: Thu, 12 Oct 2000 12:21:33 +0000 Subject: added checks for gcrypt --- acinclude.m4 | 163 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 163 insertions(+) (limited to 'acinclude.m4') diff --git a/acinclude.m4 b/acinclude.m4 index e69de29bb2..4ac46f12f8 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -0,0 +1,163 @@ +dnl Autoconf macros for libgcrypt +dnl $id$ + +# Configure paths for GCRYPT +# Shamelessly stolen from the one of XDELTA by Owen Taylor +# Werner Koch 99-12-09 + +dnl AM_PATH_GCRYPT([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl Test for gcrypt, and define GCRYPT_CFLAGS and GCRYPT_LIBS +dnl +AC_DEFUN(AM_PATH_GCRYPT, +[dnl +dnl Get the cflags and libraries from the gcrypt-config script +dnl +AC_ARG_WITH(gcrypt-prefix, + [ --with-gcrypt-prefix=PFX Prefix where gcrypt is installed (optional)], + gcrypt_config_prefix="$withval", gcrypt_config_prefix="") +AC_ARG_ENABLE(gcrypttest, + [ --disable-gcrypttest Do not try to compile and run a test gcrypt program], + , enable_gcrypttest=yes) + + if test x$gcrypt_config_prefix != x ; then + gcrypt_config_args="$gcrypt_config_args --prefix=$gcrypt_config_prefix" + if test x${GCRYPT_CONFIG+set} != xset ; then + GCRYPT_CONFIG=$gcrypt_config_prefix/bin/gcrypt-config + fi + fi + + AC_PATH_PROG(GCRYPT_CONFIG, gcrypt-config, no) + min_gcrypt_version=ifelse([$1], ,1.1.0,$1) + AC_MSG_CHECKING(for gcrypt - version >= $min_gcrypt_version) + no_gcrypt="" + if test "$GCRYPT_CONFIG" = "no" ; then + no_gcrypt=yes + else + GCRYPT_CFLAGS=`$GCRYPT_CONFIG $gcrypt_config_args --cflags` + GCRYPT_LIBS=`$GCRYPT_CONFIG $gcrypt_config_args --libs` + gcrypt_config_version=`$GCRYPT_CONFIG $gcrypt_config_args --version` + if test "x$enable_gcrypttest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $GCRYPT_CFLAGS" + LIBS="$LIBS $GCRYPT_LIBS" +dnl +dnl Now check if the installed gcrypt is sufficiently new. Also sanity +dnl checks the results of gcrypt-config to some extent +dnl + rm -f conf.gcrypttest + AC_TRY_RUN([ +#include +#include +#include +#include + +int +main () +{ + system ("touch conf.gcrypttest"); + + if( strcmp( gcry_check_version(NULL), "$gcrypt_config_version" ) ) + { + printf("\n*** 'gcrypt-config --version' returned %s, but GCRYPT (%s)\n", + "$gcrypt_config_version", gcry_check_version(NULL) ); + printf("*** was found! If gcrypt-config was correct, then it is best\n"); + printf("*** to remove the old version of GCRYPT. You may also be able to fix the error\n"); + printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); + printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); + printf("*** required on your system.\n"); + printf("*** If gcrypt-config was wrong, set the environment variable GCRYPT_CONFIG\n"); + printf("*** to point to the correct copy of gcrypt-config, and remove the file config.cache\n"); + printf("*** before re-running configure\n"); + } + else if ( strcmp(gcry_check_version(NULL), GCRYPT_VERSION ) ) + { + printf("\n*** GCRYPT header file (version %s) does not match\n", GCRYPT_VERSION); + printf("*** library (version %s)\n", gcry_check_version(NULL) ); + } + else + { + if ( gcry_check_version( "$min_gcrypt_version" ) ) + { + return 0; + } + else + { + printf("no\n*** An old version of GCRYPT (%s) was found.\n", + gcry_check_version(NULL) ); + printf("*** You need a version of GCRYPT newer than %s. The latest version of\n", + "$min_gcrypt_version" ); + printf("*** GCRYPT is always available from ftp://ftp.gnupg.org/pub/gcrypt/gnupg.\n"); + printf("*** (It is distributed along with GnuPG).\n"); + printf("*** \n"); + printf("*** If you have already installed a sufficiently new version, this error\n"); + printf("*** probably means that the wrong copy of the gcrypt-config shell script is\n"); + printf("*** being found. The easiest way to fix this is to remove the old version\n"); + printf("*** of GCRYPT, but you can also set the GCRYPT_CONFIG environment to point to the\n"); + printf("*** correct copy of gcrypt-config. (In this case, you will have to\n"); + printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); + printf("*** so that the correct libraries are found at run-time))\n"); + } + } + return 1; +} +],, no_gcrypt=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + if test "x$no_gcrypt" = x ; then + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + else + if test -f conf.gcrypttest ; then + : + else + AC_MSG_RESULT(no) + fi + if test "$GCRYPT_CONFIG" = "no" ; then + echo "*** The gcrypt-config script installed by GCRYPT could not be found" + echo "*** If GCRYPT was installed in PREFIX, make sure PREFIX/bin is in" + echo "*** your path, or set the GCRYPT_CONFIG environment variable to the" + echo "*** full path to gcrypt-config." + else + if test -f conf.gcrypttest ; then + : + else + echo "*** Could not run gcrypt test program, checking why..." + CFLAGS="$CFLAGS $GCRYPT_CFLAGS" + LIBS="$LIBS $GCRYPT_LIBS" + AC_TRY_LINK([ +#include +#include +#include +#include +], [ return !!gcry_check_version(NULL); ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding GCRYPT or finding the wrong" + echo "*** version of GCRYPT. If it is not finding GCRYPT, 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 that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" + echo "***" ], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occured. This usually means GCRYPT was incorrectly installed" + echo "*** or that you have moved GCRYPT since it was installed. In the latter case, you" + echo "*** may want to edit the gcrypt-config script: $GCRYPT_CONFIG" ]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + GCRYPT_CFLAGS="" + GCRYPT_LIBS="" + ifelse([$3], , :, [$3]) + fi + AC_SUBST(GCRYPT_CFLAGS) + AC_SUBST(GCRYPT_LIBS) + rm -f conf.gcrypttest +]) + +dnl *-*wedit:notab*-* Please keep this as the last line. -- cgit v1.2.1