From 0cf5413849f8c5f1ae4118686b912718e84e7f71 Mon Sep 17 00:00:00 2001
From: Scot Breitenfeld <brtnfld@hdfgroup.org>
Date: Wed, 17 Jun 2015 13:29:20 -0500
Subject: [svn-r27230] added test for float128

---
 configure        | 7 +++++--
 m4/aclocal_fc.m4 | 6 +++++-
 2 files changed, 10 insertions(+), 3 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 \
diff --git a/m4/aclocal_fc.m4 b/m4/aclocal_fc.m4
index 678ed0f..dc7626e 100644
--- a/m4/aclocal_fc.m4
+++ b/m4/aclocal_fc.m4
@@ -563,7 +563,11 @@ 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 
@@ -585,7 +589,7 @@ rm -f pac_Cconftest.out
             fi
             rm -f pac_Cconftest.out
         ],[
-            AC_MSG_WARN([C program fails to build or run!])
+            AC_MSG_ERROR([C program fails to build or run!])
         ],[])
 ])
 
-- 
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