1 files changed, 5 insertions, 2 deletions
diff --git a/configure b/configure
index 6dcabac..5aaa455 100755
--- a/configure
+++ b/configure
@@ -5698,7 +5698,11 @@ rm -f pac_Cconftest.out
                 # if $HAVE_QUADMATH!=0
                 #include <quadmath.h>
                 # endif
+                # ifdef FLT128_DIG
                 #define C_FLT128_DIG FLT128_DIG
+                # else
+                #define C_FLT128_DIG 0
+                # endif
                 #endif
                 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
                 #define C_LDBL_DIG DECIMAL_DIG
@@ -5738,8 +5742,7 @@ $as_echo "$as_me: WARNING: No output from test program!" >&2;}
 
 else
 
-            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C program fails to build or run!" >&5
-$as_echo "$as_me: WARNING: C program fails to build or run!" >&2;}
+            as_fn_error $? "C program fails to build or run!" "$LINENO" 5
 
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \