From bf6103db43946957540b9153e988589ebdb23f63 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Mon, 30 Sep 1996 21:19:24 +0000
Subject: Redefine exception in math.h for C++

From-SVN: r12882
---
 gcc/fixinc.svr4 | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'gcc')

diff --git a/gcc/fixinc.svr4 b/gcc/fixinc.svr4
index bf00c03..0a9c6f9 100755
--- a/gcc/fixinc.svr4
+++ b/gcc/fixinc.svr4
@@ -1476,6 +1476,42 @@ for file in math.h floatingpoint.h; do
   fi
 done
 
+# The Solaris math.h defines struct exception, which conflicts with
+# the class exception defined in the C++ file std/stdexcept.h.  We
+# redefine it to __math_exception.  This is not a great fix, but I
+# haven't been able to think of anything better.
+file=math.h
+base=`basename $file`
+if [ -r ${LIB}/$file ]; then
+  file_to_fix=${LIB}/$file
+else
+  if [ -r ${INPUT}/$file ]; then
+    file_to_fix=${INPUT}/$file
+  else
+    file_to_fix=""
+  fi
+fi
+if [ \! -z "$file_to_fix" ]; then
+  echo Checking $file_to_fix
+  sed -e '/struct exception/i\
+#ifdef __cplusplus\
+#define exception __math_exception\
+#endif'\
+      -e '/struct exception/a\
+#ifdef __cplusplus\
+#undef exception\
+#endif' $file_to_fix > /tmp/$base
+  if cmp $file_to_fix /tmp/$base >/dev/null 2>&1; then \
+    true
+  else
+    echo Fixed $file_to_fix
+    rm -f ${LIB}/$file
+    cp /tmp/$base ${LIB}/$file
+    chmod a+r ${LIB}/$file
+  fi
+  rm -f /tmp/$base
+fi
+
 echo 'Removing unneeded directories:'
 cd $LIB
 files=`find . -type d -print | sort -r`
-- 
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