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Diffstat (limited to 'm4/ksba.m4')
| -rw-r--r-- | m4/ksba.m4 | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/m4/ksba.m4 b/m4/ksba.m4 new file mode 100644 index 0000000..1100387 --- /dev/null +++ b/m4/ksba.m4 @@ -0,0 +1,109 @@ +# ksba.m4 - autoconf macro to detect ksba +# Copyright (C) 2002 g10 Code GmbH +# +# This file is free software; as a special exception the author gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. +# +# This file is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + +dnl AM_PATH_KSBA([MINIMUM-VERSION, +dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl Test for libksba and define KSBA_CFLAGS and KSBA_LIBS +dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed +dnl with the API version to also check the API compatibility. Example: +dnl a MINIMUN-VERSION of 1:1.0.7 won't pass the test unless the installed +dnl version of libksba is at least 1.0.7 *and* the API number is 1. Using +dnl this features allows to prevent build against newer versions of libksba +dnl with a changed API. +dnl +AC_DEFUN([AM_PATH_KSBA], +[ AC_ARG_WITH(ksba-prefix, + AC_HELP_STRING([--with-ksba-prefix=PFX], + [prefix where KSBA is installed (optional)]), + ksba_config_prefix="$withval", ksba_config_prefix="") + if test x$ksba_config_prefix != x ; then + ksba_config_args="$ksba_config_args --prefix=$ksba_config_prefix" + if test x${KSBA_CONFIG+set} != xset ; then + KSBA_CONFIG=$ksba_config_prefix/bin/ksba-config + fi + fi + + AC_PATH_PROG(KSBA_CONFIG, ksba-config, no) + tmp=ifelse([$1], ,1:1.0.0,$1) + if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then + req_ksba_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` + min_ksba_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` + else + req_ksba_api=0 + min_ksba_version="$tmp" + fi + + AC_MSG_CHECKING(for KSBA - version >= $min_ksba_version) + ok=no + if test "$KSBA_CONFIG" != "no" ; then + req_major=`echo $min_ksba_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` + req_minor=`echo $min_ksba_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` + req_micro=`echo $min_ksba_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` + ksba_config_version=`$KSBA_CONFIG $ksba_config_args --version` + major=`echo $ksba_config_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` + minor=`echo $ksba_config_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` + micro=`echo $ksba_config_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` + if test "$major" -gt "$req_major"; then + ok=yes + else + if test "$major" -eq "$req_major"; then + if test "$minor" -gt "$req_minor"; then + ok=yes + else + if test "$minor" -eq "$req_minor"; then + if test "$micro" -ge "$req_micro"; then + ok=yes + fi + fi + fi + fi + fi + fi + if test $ok = yes; then + AC_MSG_RESULT([yes ($ksba_config_version)]) + else + AC_MSG_RESULT(no) + fi + if test $ok = yes; then + # Even if we have a recent libksba, we should check that the + # API is compatible. + if test "$req_ksba_api" -gt 0 ; then + tmp=`$KSBA_CONFIG --api-version 2>/dev/null || echo 0` + if test "$tmp" -gt 0 ; then + AC_MSG_CHECKING([KSBA API version]) + if test "$req_ksba_api" -eq "$tmp" ; then + AC_MSG_RESULT(okay) + else + ok=no + AC_MSG_RESULT([does not match. want=$req_ksba_api got=$tmp.]) + fi + fi + fi + fi + if test $ok = yes; then + KSBA_CFLAGS=`$KSBA_CONFIG $ksba_config_args --cflags` + KSBA_LIBS=`$KSBA_CONFIG $ksba_config_args --libs` + ifelse([$2], , :, [$2]) + else + KSBA_CFLAGS="" + KSBA_LIBS="" + ifelse([$3], , :, [$3]) + fi + AC_SUBST(KSBA_CFLAGS) + AC_SUBST(KSBA_LIBS) +]) |