libgcrypt.m4 (4716B)
1 dnl Autoconf macros for libgcrypt 2 dnl Copyright (C) 2002, 2004, 2011 Free Software Foundation, Inc. 3 dnl 4 dnl This file is free software; as a special exception the author gives 5 dnl unlimited permission to copy and/or distribute it, with or without 6 dnl modifications, as long as this notice is preserved. 7 dnl 8 dnl This file is distributed in the hope that it will be useful, but 9 dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the 10 dnl implied warranty of CHARITYABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 12 13 dnl AM_PATH_LIBGCRYPT([MINIMUM-VERSION, 14 dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) 15 dnl Test for libgcrypt and define LIBGCRYPT_CFLAGS and LIBGCRYPT_LIBS. 16 dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed 17 dnl with the API version to also check the API compatibility. Example: 18 dnl a MINIMUN-VERSION of 1:1.2.5 won't pass the test unless the installed 19 dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using 20 dnl this features allows to prevent build against newer versions of libgcrypt 21 dnl with a changed API. 22 dnl 23 AC_DEFUN([AM_PATH_LIBGCRYPT], 24 [ AC_REQUIRE([AC_CANONICAL_HOST]) 25 AC_ARG_WITH(libgcrypt-prefix, 26 AS_HELP_STRING([--with-libgcrypt-prefix=PFX], 27 [prefix where LIBGCRYPT is installed (optional)]), 28 libgcrypt_config_prefix="$withval", libgcrypt_config_prefix="") 29 if test x$libgcrypt_config_prefix != x ; then 30 if test x${LIBGCRYPT_CONFIG+set} != xset ; then 31 LIBGCRYPT_CONFIG=$libgcrypt_config_prefix/bin/libgcrypt-config 32 fi 33 fi 34 35 AC_PATH_TOOL(LIBGCRYPT_CONFIG, libgcrypt-config, no) 36 tmp=ifelse([$1], ,1:1.2.0,$1) 37 if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then 38 req_libgcrypt_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` 39 min_libgcrypt_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` 40 else 41 req_libgcrypt_api=0 42 min_libgcrypt_version="$tmp" 43 fi 44 45 AC_MSG_CHECKING(for LIBGCRYPT - version >= $min_libgcrypt_version) 46 ok=no 47 if test "$LIBGCRYPT_CONFIG" != "no" ; then 48 req_major=`echo $min_libgcrypt_version | \ 49 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` 50 req_minor=`echo $min_libgcrypt_version | \ 51 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` 52 req_micro=`echo $min_libgcrypt_version | \ 53 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` 54 libgcrypt_config_version=`$LIBGCRYPT_CONFIG --version` 55 major=`echo $libgcrypt_config_version | \ 56 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` 57 minor=`echo $libgcrypt_config_version | \ 58 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` 59 micro=`echo $libgcrypt_config_version | \ 60 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` 61 if test "$major" -gt "$req_major"; then 62 ok=yes 63 else 64 if test "$major" -eq "$req_major"; then 65 if test "$minor" -gt "$req_minor"; then 66 ok=yes 67 else 68 if test "$minor" -eq "$req_minor"; then 69 if test "$micro" -ge "$req_micro"; then 70 ok=yes 71 fi 72 fi 73 fi 74 fi 75 fi 76 fi 77 if test $ok = yes; then 78 AC_MSG_RESULT([yes ($libgcrypt_config_version)]) 79 else 80 AC_MSG_RESULT(no) 81 fi 82 if test $ok = yes; then 83 # If we have a recent libgcrypt, we should also check that the 84 # API is compatible 85 if test "$req_libgcrypt_api" -gt 0 ; then 86 tmp=`$LIBGCRYPT_CONFIG --api-version 2>/dev/null || echo 0` 87 if test "$tmp" -gt 0 ; then 88 AC_MSG_CHECKING([LIBGCRYPT API version]) 89 if test "$req_libgcrypt_api" -eq "$tmp" ; then 90 AC_MSG_RESULT([okay]) 91 else 92 ok=no 93 AC_MSG_RESULT([does not match. want=$req_libgcrypt_api got=$tmp]) 94 fi 95 fi 96 fi 97 fi 98 if test $ok = yes; then 99 LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG --cflags` 100 LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG --libs` 101 ifelse([$2], , :, [$2]) 102 libgcrypt_config_host=`$LIBGCRYPT_CONFIG --host 2>/dev/null || echo none` 103 if test x"$libgcrypt_config_host" != xnone ; then 104 if test x"$libgcrypt_config_host" != x"$host" ; then 105 AC_MSG_WARN([[ 106 *** 107 *** The config script $LIBGCRYPT_CONFIG was 108 *** built for $libgcrypt_config_host and thus may not match the 109 *** used host $host. 110 *** You may want to use the configure option --with-libgcrypt-prefix 111 *** to specify a matching config script. 112 ***]]) 113 fi 114 fi 115 else 116 LIBGCRYPT_CFLAGS="" 117 LIBGCRYPT_LIBS="" 118 ifelse([$3], , :, [$3]) 119 fi 120 AC_SUBST(LIBGCRYPT_CFLAGS) 121 AC_SUBST(LIBGCRYPT_LIBS) 122 ])