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- # gpg-error.m4 - autoconf macro to detect libgpg-error.
- # Copyright (C) 2002, 2003, 2004, 2011, 2014 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.
- #
- # Last-changed: 2014-10-02
- dnl AM_PATH_GPG_ERROR([MINIMUM-VERSION,
- dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
- dnl
- dnl Test for libgpg-error and define GPG_ERROR_CFLAGS, GPG_ERROR_LIBS,
- dnl GPG_ERROR_MT_CFLAGS, and GPG_ERROR_MT_LIBS. The _MT_ variants are
- dnl used for programs requireing real multi thread support.
- dnl
- dnl If a prefix option is not used, the config script is first
- dnl searched in $SYSROOT/bin and then along $PATH. If the used
- dnl config script does not match the host specification the script
- dnl is added to the gpg_config_script_warn variable.
- dnl
- AC_DEFUN([AM_PATH_GPG_ERROR],
- [ AC_REQUIRE([AC_CANONICAL_HOST])
- min_gpg_error_version=ifelse([$1], ,0.0,$1)
- PKG_CHECK_MODULES(GPG_ERROR, [gpg-error >= $min_gpg_error_version], [ok=yes], [ok=no])
- if test $ok = yes; then
- ifelse([$2], , :, [$2])
- gpg_error_config_host=`$PKG_CONFIG --variable=host gpg-error`
- if test x"$gpg_error_config_host" != xnone ; then
- if test x"$gpg_error_config_host" != x"$host" ; then
- AC_MSG_WARN([[
- ***
- *** The config script $GPG_ERROR_CONFIG was
- *** built for $gpg_error_config_host and thus may not match the
- *** used host $host.
- *** You may want to use the configure option --with-gpg-error-prefix
- *** to specify a matching config script or use \$SYSROOT.
- ***]])
- gpg_config_script_warn="$gpg_config_script_warn libgpg-error"
- fi
- fi
- else
- ifelse([$3], , :, [$3])
- fi
- AC_SUBST(GPG_ERROR_CFLAGS)
- AC_SUBST(GPG_ERROR_LIBS)
- AC_SUBST(GPG_ERROR_MT_CFLAGS)
- AC_SUBST(GPG_ERROR_MT_LIBS)
- ])
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