1 # gpg-error.m4 - autoconf macro to detect libgpg-error.
2 # Copyright (C) 2002, 2003, 2004 g10 Code GmbH
4 # This file is free software; as a special exception the author gives
5 # unlimited permission to copy and/or distribute it, with or without
6 # modifications, as long as this notice is preserved.
8 # This file is distributed in the hope that it will be useful, but
9 # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
10 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 dnl AM_PATH_GPG_ERROR([MINIMUM-VERSION,
13 dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
14 dnl Test for libgpg-error and define GPG_ERROR_CFLAGS and GPG_ERROR_LIBS
16 AC_DEFUN([AM_PATH_GPG_ERROR],
17 [ AC_ARG_WITH(gpg-error-prefix,
18 AC_HELP_STRING([--with-gpg-error-prefix=PFX],
19 [prefix where GPG Error is installed (optional)]),
20 gpg_error_config_prefix="$withval", gpg_error_config_prefix="")
21 if test x$gpg_error_config_prefix != x ; then
22 if test x${GPG_ERROR_CONFIG+set} != xset ; then
23 GPG_ERROR_CONFIG=$gpg_error_config_prefix/bin/gpg-error-config
27 AC_PATH_PROG(GPG_ERROR_CONFIG, gpg-error-config, no)
28 min_gpg_error_version=ifelse([$1], ,0.0,$1)
29 AC_MSG_CHECKING(for GPG Error - version >= $min_gpg_error_version)
31 if test "$GPG_ERROR_CONFIG" != "no" ; then
32 req_major=`echo $min_gpg_error_version | \
33 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
34 req_minor=`echo $min_gpg_error_version | \
35 sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
36 gpg_error_config_version=`$GPG_ERROR_CONFIG $gpg_error_config_args --version`
37 major=`echo $gpg_error_config_version | \
38 sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
39 minor=`echo $gpg_error_config_version | \
40 sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
41 if test "$major" -gt "$req_major"; then
44 if test "$major" -eq "$req_major"; then
45 if test "$minor" -ge "$req_minor"; then
51 if test $ok = yes; then
52 GPG_ERROR_CFLAGS=`$GPG_ERROR_CONFIG $gpg_error_config_args --cflags`
53 GPG_ERROR_LIBS=`$GPG_ERROR_CONFIG $gpg_error_config_args --libs`
54 AC_MSG_RESULT([yes ($gpg_error_config_version)])
55 ifelse([$2], , :, [$2])
60 ifelse([$3], , :, [$3])
62 AC_SUBST(GPG_ERROR_CFLAGS)
63 AC_SUBST(GPG_ERROR_LIBS)