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Diffstat (limited to 'autoconf/m4/huge_val.m4')
-rw-r--r--autoconf/m4/huge_val.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/autoconf/m4/huge_val.m4 b/autoconf/m4/huge_val.m4
index 7ef9dcae69..9dc76f2235 100644
--- a/autoconf/m4/huge_val.m4
+++ b/autoconf/m4/huge_val.m4
@@ -6,7 +6,7 @@ AC_DEFUN([AC_HUGE_VAL_CHECK],[
AC_CACHE_CHECK([for HUGE_VAL sanity], [ac_cv_huge_val_sanity],[
AC_LANG_PUSH([C++])
ac_save_CXXFLAGS=$CXXFLAGS
- CXXFLAGS+=" -pedantic"
+ CXXFLAGS="$CXXFLAGS -pedantic"
AC_RUN_IFELSE(
AC_LANG_PROGRAM(
[#include <math.h>],