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126 lines
4.9 KiB
126 lines
4.9 KiB
--- /dev/null 2013-02-11 15:41:37.050360923 +0100 |
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+++ ./m4/libgcrypt.m4 2013-02-12 02:03:28.939730614 +0100 |
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@@ -0,0 +1,123 @@ |
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+dnl Autoconf macros for libgcrypt |
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+dnl Copyright (C) 2002, 2004 Free Software Foundation, Inc. |
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+dnl |
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+dnl This file is free software; as a special exception the author gives |
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+dnl unlimited permission to copy and/or distribute it, with or without |
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+dnl modifications, as long as this notice is preserved. |
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+dnl |
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+dnl This file is distributed in the hope that it will be useful, but |
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+dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the |
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+dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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+ |
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+ |
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+dnl AM_PATH_LIBGCRYPT([MINIMUM-VERSION, |
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+dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) |
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+dnl Test for libgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS. |
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+dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed |
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+dnl with the API version to also check the API compatibility. Example: |
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+dnl a MINIMUN-VERSION of 1:1.2.5 won't pass the test unless the installed |
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+dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using |
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+dnl this features allows to prevent build against newer versions of libgcrypt |
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+dnl with a changed API. |
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+dnl |
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+AC_DEFUN([AM_PATH_LIBGCRYPT], |
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+[ AC_ARG_WITH(libgcrypt-prefix, |
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+ AC_HELP_STRING([--with-libgcrypt-prefix=PFX], |
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+ [prefix where LIBGCRYPT is installed (optional)]), |
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+ libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="") |
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+ if test x$libgcrypt_config_prefix != x ; then |
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+ if test x${LIBGCRYPT_CONFIG+set} != xset ; then |
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+ LIBGCRYPT_CONFIG=$libgcrypt_config_prefix/bin/libgcrypt-config |
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+ fi |
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+ fi |
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+ |
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+ AC_PATH_TOOL(LIBGCRYPT_CONFIG, libgcrypt-config, no) |
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+ tmp=ifelse([$1], ,1:1.2.0,$1) |
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+ if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then |
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+ req_libgcrypt_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` |
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+ min_libgcrypt_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` |
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+ else |
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+ req_libgcrypt_api=0 |
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+ min_libgcrypt_version="$tmp" |
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+ fi |
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+ |
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+ AC_MSG_CHECKING(for LIBGCRYPT - version >= $min_libgcrypt_version) |
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+ ok=no |
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+ if test "$LIBGCRYPT_CONFIG" != "no" ; then |
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+ req_major=`echo $min_libgcrypt_version | \ |
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+ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` |
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+ req_minor=`echo $min_libgcrypt_version | \ |
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+ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` |
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+ req_micro=`echo $min_libgcrypt_version | \ |
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+ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` |
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+ libgcrypt_config_version=`$LIBGCRYPT_CONFIG --version` |
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+ major=`echo $libgcrypt_config_version | \ |
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+ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` |
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+ minor=`echo $libgcrypt_config_version | \ |
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+ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` |
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+ micro=`echo $libgcrypt_config_version | \ |
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+ sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` |
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+ if test "$major" -gt "$req_major"; then |
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+ ok=yes |
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+ else |
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+ if test "$major" -eq "$req_major"; then |
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+ if test "$minor" -gt "$req_minor"; then |
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+ ok=yes |
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+ else |
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+ if test "$minor" -eq "$req_minor"; then |
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+ if test "$micro" -ge "$req_micro"; then |
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+ ok=yes |
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+ fi |
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+ fi |
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+ fi |
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+ fi |
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+ fi |
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+ fi |
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+ if test $ok = yes; then |
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+ AC_MSG_RESULT([yes ($libgcrypt_config_version)]) |
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+ else |
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+ AC_MSG_RESULT(no) |
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+ fi |
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+ if test $ok = yes; then |
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+ # If we have a recent libgcrypt, we should also check that the |
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+ # API is compatible |
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+ if test "$req_libgcrypt_api" -gt 0 ; then |
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+ tmp=`$LIBGCRYPT_CONFIG --api-version 2>/dev/null || echo 0` |
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+ if test "$tmp" -gt 0 ; then |
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+ AC_MSG_CHECKING([LIBGCRYPT API version]) |
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+ if test "$req_libgcrypt_api" -eq "$tmp" ; then |
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+ AC_MSG_RESULT([okay]) |
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+ else |
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+ ok=no |
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+ AC_MSG_RESULT([does not match. want=$req_libgcrypt_api got=$tmp]) |
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+ fi |
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+ fi |
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+ fi |
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+ fi |
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+ if test $ok = yes; then |
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+ LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG --cflags` |
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+ LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG --libs` |
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+ ifelse([$2], , :, [$2]) |
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+ if test x"$host" != x ; then |
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+ libgcrypt_config_host=`$LIBGCRYPT_CONFIG --host 2>/dev/null || echo none` |
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+ if test x"$libgcrypt_config_host" != xnone ; then |
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+ if test x"$libgcrypt_config_host" != x"$host" ; then |
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+ AC_MSG_WARN([[ |
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+*** |
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+*** The config script $LIBGCRYPT_CONFIG was |
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+*** built for $libgcrypt_config_host and thus may not match the |
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+*** used host $host. |
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+*** You may want to use the configure option --with-libgcrypt-prefix |
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+*** to specify a matching config script. |
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+***]]) |
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+ fi |
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+ fi |
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+ fi |
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+ else |
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+ LIBGCRYPT_CFLAGS="" |
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+ LIBGCRYPT_LIBS="" |
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+ ifelse([$3], , :, [$3]) |
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+ fi |
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+ AC_SUBST(LIBGCRYPT_CFLAGS) |
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+ AC_SUBST(LIBGCRYPT_LIBS) |
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+])
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