From: Ruediger Meier <ruediger.meier@ga-group.nl>
Date: Tue, 20 Jan 2015 13:55:57 +0000 (+0100)
Subject: build-sys: fix UL_SCANF_TYPE_MODIFIER for icc
X-Git-Tag: v2.26-rc2~77^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c8494d88;p=thirdparty%2Futil-linux.git

build-sys: fix UL_SCANF_TYPE_MODIFIER for icc

icc needs -Werror to let %m fail and to avoid this:
../libmount/src/tab_parse.c(61): warning #269: invalid format string conversion

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
---

diff --git a/configure.ac b/configure.ac
index de299d3412..a0d57631a3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -492,6 +492,8 @@ int main()
 	return 1;
 }])
 
+ul_save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="-Werror ${CPPFLAGS}"
 AC_CACHE_VAL([scanf_cv_alloc_modifier],
   AC_RUN_IFELSE([AC_LANG_SOURCE([UL_SCANF_TYPE_MODIFIER(["%ms"])])],
     [scanf_cv_alloc_modifier=ms],
@@ -525,6 +527,7 @@ AC_CACHE_VAL([scanf_cv_alloc_modifier],
     [scanf_cv_alloc_modifier=no])]
   )
 )
+CPPFLAGS="$ul_save_CPPFLAGS"
 
 AC_MSG_CHECKING([scanf string alloc modifiers])
 AS_CASE([$scanf_cv_alloc_modifier],