build: Update gpg-error.m4 from libgpg-error.

* m4/gpg-error.m4: Update from libgpg-error 1.33.

Signed-off-by: NIIBE Yutaka <[email protected]>

1 files changed, 45 insertions, 12 deletions

diff --git a/m4/gpg-error.m4 b/m4/gpg-error.m4
index feb963c..9f26fa4 100644
--- a/m4/gpg-error.m4
+++ b/m4/gpg-error.m4
@@ -1,5 +1,5 @@
 # gpg-error.m4 - autoconf macro to detect libgpg-error.
-# Copyright (C) 2002, 2003, 2004, 2011 g10 Code GmbH
+# 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
@@ -8,10 +8,21 @@
 # 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 Test for libgpg-error and define GPG_ERROR_CFLAGS and GPG_ERROR_LIBS
+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 $PATH.  If the used
+dnl config script does not match the host specification the script
+dnl is added to the gpg_config_script_warn variable.
 dnl
 AC_DEFUN([AM_PATH_GPG_ERROR],
 [ AC_REQUIRE([AC_CANONICAL_HOST])
@@ -30,13 +41,26 @@ AC_DEFUN([AM_PATH_GPG_ERROR],
   AC_ARG_WITH(gpg-error-prefix,,
               [gpg_error_config_prefix="$withval"])
 
-  if test x$gpg_error_config_prefix != x ; then
-     if test x${GPG_ERROR_CONFIG+set} != xset ; then
-        GPG_ERROR_CONFIG=$gpg_error_config_prefix/bin/gpg-error-config
+  if test x"${GPG_ERROR_CONFIG}" = x ; then
+     if test x"${gpg_error_config_prefix}" != x ; then
+        GPG_ERROR_CONFIG="${gpg_error_config_prefix}/bin/gpg-error-config"
+     else
+       case "${SYSROOT}" in
+         /*)
+           if test -x "${SYSROOT}/bin/gpg-error-config" ; then
+             GPG_ERROR_CONFIG="${SYSROOT}/bin/gpg-error-config"
+           fi
+           ;;
+         '')
+           ;;
+          *)
+           AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.])
+           ;;
+       esac
      fi
   fi
 
-  AC_PATH_TOOL(GPG_ERROR_CONFIG, gpg-error-config, no)
+  AC_PATH_PROG(GPG_ERROR_CONFIG, gpg-error-config, no)
   min_gpg_error_version=ifelse([$1], ,0.0,$1)
   AC_MSG_CHECKING(for GPG Error - version >= $min_gpg_error_version)
   ok=no
@@ -46,7 +70,7 @@ AC_DEFUN([AM_PATH_GPG_ERROR],
                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
     req_minor=`echo $min_gpg_error_version | \
                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
-    gpg_error_config_version=`$GPG_ERROR_CONFIG $gpg_error_config_args --version`
+    gpg_error_config_version=`CC=$CC $GPG_ERROR_CONFIG $gpg_error_config_args --version`
     major=`echo $gpg_error_config_version | \
                sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
     minor=`echo $gpg_error_config_version | \
@@ -62,11 +86,15 @@ AC_DEFUN([AM_PATH_GPG_ERROR],
     fi
   fi
   if test $ok = yes; then
-    GPG_ERROR_CFLAGS=`$GPG_ERROR_CONFIG $gpg_error_config_args --cflags`
-    GPG_ERROR_LIBS=`$GPG_ERROR_CONFIG $gpg_error_config_args --libs`
+    GPG_ERROR_CFLAGS=`CC=$CC $GPG_ERROR_CONFIG $gpg_error_config_args --cflags`
+    GPG_ERROR_LIBS=`CC=$CC $GPG_ERROR_CONFIG $gpg_error_config_args --libs`
+    GPG_ERROR_MT_CFLAGS=`CC=$CC $GPG_ERROR_CONFIG $gpg_error_config_args --variable=mtcflags 2>/dev/null`
+    GPG_ERROR_MT_CFLAGS="$GPG_ERROR_CFLAGS${GPG_ERROR_CFLAGS:+ }$GPG_ERROR_MT_CFLAGS"
+    GPG_ERROR_MT_LIBS=`CC=$CC $GPG_ERROR_CONFIG $gpg_error_config_args --variable=mtlibs 2>/dev/null`
+    GPG_ERROR_MT_LIBS="$GPG_ERROR_LIBS${GPG_ERROR_LIBS:+ }$GPG_ERROR_MT_LIBS"
     AC_MSG_RESULT([yes ($gpg_error_config_version)])
     ifelse([$2], , :, [$2])
-    gpg_error_config_host=`$GPG_ERROR_CONFIG $gpg_error_config_args --host 2>/dev/null || echo none`
+    gpg_error_config_host=`CC=$CC $GPG_ERROR_CONFIG $gpg_error_config_args --variable=host 2>/dev/null || echo none`
     if test x"$gpg_error_config_host" != xnone ; then
       if test x"$gpg_error_config_host" != x"$host" ; then
   AC_MSG_WARN([[
@@ -74,17 +102,22 @@ AC_DEFUN([AM_PATH_GPG_ERROR],
 *** The config script $GPG_ERROR_CONFIG was
 *** built for $gpg_error_config_host and thus may not match the
 *** used host $host.
-*** You may want to use the configure option --with-gpg-error-prefix
-*** to specify a matching config script.
+*** You may want to use the configure option --with-libgpg-error-prefix
+*** to specify a matching config script or use \$SYSROOT.
 ***]])
+        gpg_config_script_warn="$gpg_config_script_warn libgpg-error"
       fi
     fi
   else
     GPG_ERROR_CFLAGS=""
     GPG_ERROR_LIBS=""
+    GPG_ERROR_MT_CFLAGS=""
+    GPG_ERROR_MT_LIBS=""
     AC_MSG_RESULT(no)
     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)
 ])