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122 lines
4.6 KiB
122 lines
4.6 KiB
# gpg-error.m4 - autoconf macro to detect libgpg-error.
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# Copyright (C) 2002, 2003, 2004, 2011, 2014 g10 Code GmbH
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#
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# This file is free software; as a special exception the author gives
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# unlimited permission to copy and/or distribute it, with or without
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# modifications, as long as this notice is preserved.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Last-changed: 2014-10-02
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dnl AM_PATH_GPG_ERROR([MINIMUM-VERSION,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl
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dnl Test for libgpg-error and define GPG_ERROR_CFLAGS, GPG_ERROR_LIBS,
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dnl GPG_ERROR_MT_CFLAGS, and GPG_ERROR_MT_LIBS. The _MT_ variants are
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dnl used for programs requireing real multi thread support.
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dnl
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dnl If a prefix option is not used, the config script is first
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dnl searched in $SYSROOT/bin and then along $PATH. If the used
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dnl config script does not match the host specification the script
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dnl is added to the gpg_config_script_warn variable.
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dnl
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AC_DEFUN([AM_PATH_GPG_ERROR],
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[ AC_REQUIRE([AC_CANONICAL_HOST])
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gpg_error_config_prefix=""
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dnl --with-libgpg-error-prefix=PFX is the preferred name for this option,
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dnl since that is consistent with how our three siblings use the directory/
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dnl package name in --with-$dir_name-prefix=PFX.
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AC_ARG_WITH(libgpg-error-prefix,
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AC_HELP_STRING([--with-libgpg-error-prefix=PFX],
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[prefix where GPG Error is installed (optional)]),
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[gpg_error_config_prefix="$withval"])
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dnl Accept --with-gpg-error-prefix and make it work the same as
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dnl --with-libgpg-error-prefix above, for backwards compatibility,
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dnl but do not document this old, inconsistently-named option.
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AC_ARG_WITH(gpg-error-prefix,,
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[gpg_error_config_prefix="$withval"])
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if test x"${GPG_ERROR_CONFIG}" = x ; then
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if test x"${gpg_error_config_prefix}" != x ; then
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GPG_ERROR_CONFIG="${gpg_error_config_prefix}/bin/gpg-error-config"
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else
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case "${SYSROOT}" in
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/*)
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if test -x "${SYSROOT}/bin/gpg-error-config" ; then
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GPG_ERROR_CONFIG="${SYSROOT}/bin/gpg-error-config"
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fi
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;;
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'')
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;;
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*)
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AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.])
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;;
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esac
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fi
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fi
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AC_PATH_PROG(GPG_ERROR_CONFIG, gpg-error-config, no)
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min_gpg_error_version=ifelse([$1], ,0.0,$1)
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AC_MSG_CHECKING(for GPG Error - version >= $min_gpg_error_version)
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ok=no
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if test "$GPG_ERROR_CONFIG" != "no" \
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&& test -f "$GPG_ERROR_CONFIG" ; then
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req_major=`echo $min_gpg_error_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
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req_minor=`echo $min_gpg_error_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
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gpg_error_config_version=`$GPG_ERROR_CONFIG $gpg_error_config_args --version`
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major=`echo $gpg_error_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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minor=`echo $gpg_error_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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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 "$minor" -ge "$req_minor"; 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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if test $ok = yes; then
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GPG_ERROR_CFLAGS=`$GPG_ERROR_CONFIG $gpg_error_config_args --cflags`
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GPG_ERROR_LIBS=`$GPG_ERROR_CONFIG $gpg_error_config_args --libs`
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GPG_ERROR_MT_CFLAGS=`$GPG_ERROR_CONFIG $gpg_error_config_args --mt --cflags 2>/dev/null`
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GPG_ERROR_MT_LIBS=`$GPG_ERROR_CONFIG $gpg_error_config_args --mt --libs 2>/dev/null`
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AC_MSG_RESULT([yes ($gpg_error_config_version)])
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ifelse([$2], , :, [$2])
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gpg_error_config_host=`$GPG_ERROR_CONFIG $gpg_error_config_args --host 2>/dev/null || echo none`
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if test x"$gpg_error_config_host" != xnone ; then
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if test x"$gpg_error_config_host" != x"$host" ; then
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AC_MSG_WARN([[
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***
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*** The config script $GPG_ERROR_CONFIG was
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*** built for $gpg_error_config_host and thus may not match the
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*** used host $host.
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*** You may want to use the configure option --with-gpg-error-prefix
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*** to specify a matching config script or use \$SYSROOT.
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***]])
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gpg_config_script_warn="$gpg_config_script_warn libgpg-error"
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fi
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fi
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else
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GPG_ERROR_CFLAGS=""
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GPG_ERROR_LIBS=""
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GPG_ERROR_MT_CFLAGS=""
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GPG_ERROR_MT_LIBS=""
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AC_MSG_RESULT(no)
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(GPG_ERROR_CFLAGS)
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AC_SUBST(GPG_ERROR_LIBS)
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AC_SUBST(GPG_ERROR_MT_CFLAGS)
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AC_SUBST(GPG_ERROR_MT_LIBS)
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])
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