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-rw-r--r--m4/aclocal_fc.m42
1 files changed, 2 insertions, 0 deletions
diff --git a/m4/aclocal_fc.m4 b/m4/aclocal_fc.m4
index e069560..e55165c 100644
--- a/m4/aclocal_fc.m4
+++ b/m4/aclocal_fc.m4
@@ -560,7 +560,9 @@ rm -f pac_Cconftest.out
#include <stdio.h>
#define CHECK_FLOAT128 $ac_cv_sizeof___float128
#if CHECK_FLOAT128!=0
+ # if $HAVE_QUADMATH!=0
#include <quadmath.h>
+ # endif
#define C_LDBL_DIG FLT128_DIG
#else
# if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L