From 0f9d534bc212cdf27b9a1446fb7068328706975e Mon Sep 17 00:00:00 2001
From: Scot Breitenfeld <brtnfld@hdfgroup.org>
Date: Tue, 30 Jun 2015 14:20:35 -0500
Subject: [svn-r27301] fixed configure error with pgi compiler by checking if
 __float128 is 0

---
 configure    | 14 ++++++++------
 configure.ac | 12 +++++++-----
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/configure b/configure
index 4e7017d..0cac5b3 100755
--- a/configure
+++ b/configure
@@ -7895,17 +7895,19 @@ _ACEOF
   max_real_fortran_sizeof="`echo \"$PAC_FC_ALL_REAL_KINDS_SIZEOF\" | perl -ne '/,(\d+)\}/; print $1'`"
   max_real_fortran_kind="`echo \"$PAC_FC_ALL_REAL_KINDS\" | perl -ne '/,(\d+)\}/; print $1'`"
 
-  if test "$ac_cv_sizeof___float128" != "$max_real_fortran_sizeof" && test "${ac_cv_sizeof_long_double}" != "$max_real_fortran_sizeof"; then
-     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
+  if test "$ac_cv_sizeof___float128" != 0;then
+    if test "$ac_cv_sizeof___float128" != "$max_real_fortran_sizeof" && test "${ac_cv_sizeof_long_double}" != "$max_real_fortran_sizeof"; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
         Fortran REAL(KIND=$max_real_fortran_kind) is $max_real_fortran_sizeof Bytes, but no corresponding C float type exists of that size
                   !!! Fortran interfaces will not be generated for REAL(KIND=$max_real_fortran_kind) !!!
-     " >&5
+      " >&5
 $as_echo "$as_me: WARNING:
         Fortran REAL(KIND=$max_real_fortran_kind) is $max_real_fortran_sizeof Bytes, but no corresponding C float type exists of that size
                   !!! Fortran interfaces will not be generated for REAL(KIND=$max_real_fortran_kind) !!!
-     " >&2;}
-     PAC_FC_ALL_REAL_KINDS="`echo \"$PAC_FC_ALL_REAL_KINDS\" | $PERL  -pe 's/,\d+}/}/g;'`"
-     PAC_FC_ALL_REAL_KINDS_SIZEOF="`echo \"$PAC_FC_ALL_REAL_KINDS_SIZEOF\" | $PERL  -pe 's/,\d+}/}/g;'`"
+      " >&2;}
+      PAC_FC_ALL_REAL_KINDS="`echo \"$PAC_FC_ALL_REAL_KINDS\" | $PERL  -pe 's/,\d+}/}/g;'`"
+      PAC_FC_ALL_REAL_KINDS_SIZEOF="`echo \"$PAC_FC_ALL_REAL_KINDS_SIZEOF\" | $PERL  -pe 's/,\d+}/}/g;'`"
+    fi
   fi
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Fortran interoperable KINDS with C" >&5
 $as_echo_n "checking for Fortran interoperable KINDS with C... " >&6; }
diff --git a/configure.ac b/configure.ac
index ff35b24..22eb693 100644
--- a/configure.ac
+++ b/configure.ac
@@ -583,13 +583,15 @@ if test "X$HDF_FORTRAN" = "Xyes"; then
   max_real_fortran_sizeof="`echo \"[$]PAC_FC_ALL_REAL_KINDS_SIZEOF\" | perl -ne '/,(\d+)\}/; print $1'`"
   max_real_fortran_kind="`echo \"[$]PAC_FC_ALL_REAL_KINDS\" | perl -ne '/,(\d+)\}/; print $1'`"
 
-  if test "$ac_cv_sizeof___float128" != "$max_real_fortran_sizeof" && test "${ac_cv_sizeof_long_double}" != "$max_real_fortran_sizeof"; then
-     AC_MSG_WARN([
+  if test "$ac_cv_sizeof___float128" != 0;then
+    if test "$ac_cv_sizeof___float128" != "$max_real_fortran_sizeof" && test "${ac_cv_sizeof_long_double}" != "$max_real_fortran_sizeof"; then
+      AC_MSG_WARN([
         Fortran REAL(KIND=$max_real_fortran_kind) is $max_real_fortran_sizeof Bytes, but no corresponding C float type exists of that size
                   !!! Fortran interfaces will not be generated for REAL(KIND=$max_real_fortran_kind) !!!
-     ])
-     PAC_FC_ALL_REAL_KINDS="`echo \"[$]PAC_FC_ALL_REAL_KINDS\" | $PERL  -pe 's/,\d+}/}/g;'`"
-     PAC_FC_ALL_REAL_KINDS_SIZEOF="`echo \"[$]PAC_FC_ALL_REAL_KINDS_SIZEOF\" | $PERL  -pe 's/,\d+}/}/g;'`"
+      ])
+      PAC_FC_ALL_REAL_KINDS="`echo \"[$]PAC_FC_ALL_REAL_KINDS\" | $PERL  -pe 's/,\d+}/}/g;'`"
+      PAC_FC_ALL_REAL_KINDS_SIZEOF="`echo \"[$]PAC_FC_ALL_REAL_KINDS_SIZEOF\" | $PERL  -pe 's/,\d+}/}/g;'`"
+    fi
   fi
   AC_MSG_CHECKING([for Fortran interoperable KINDS with C])
   AC_MSG_RESULT([$PAC_FC_ALL_REAL_KINDS])	
-- 
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