From: Jason Merrill <merrill@gnu.org>
Date: Wed, 18 May 1994 22:33:40 +0000 (+0000)
Subject: Add forward declaration of struct exception to
X-Git-Tag: misc/cutover-egcs-0~6612
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=68f6ed7f20c795587c9b29134b8908a46f07f0ce;p=thirdparty%2Fgcc.git

Add forward declaration of struct exception to
        SunOS 4 math.h.

From-SVN: r7331
---

diff --git a/gcc/fixincludes b/gcc/fixincludes
index 512cc7c51c48..9c001aa35d70 100755
--- a/gcc/fixincludes
+++ b/gcc/fixincludes
@@ -1597,6 +1597,28 @@ do
   fi
 done
 
+# math.h on SunOS 4 puts the declaration of matherr before the definition
+# of struct exception, so the prototype (added by fixproto) causes havoc.
+file=math.h
+if [ -r $file ] && [ ! -r ${LIB}/$file ]; then
+  cp $file ${LIB}/$file >/dev/null 2>&1 || echo "Can't copy $file"
+  chmod +w ${LIB}/$file 2>/dev/null
+  chmod a+r ${LIB}/$file 2>/dev/null
+fi
+
+if [ -r ${LIB}/$file ]; then
+  echo Fixing $file, matherr declaration
+  sed -e '/^struct exception/,$b' \
+      -e '/matherr/i\
+struct exception;
+'\
+    ${LIB}/$file > ${LIB}/${file}.sed
+  rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+  if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+    rm -f ${LIB}/$file
+  fi
+fi
+
 # This file on SunOS 4 has a very large macro.  When the sed loop
 # tries pull it in, it overflows the pattern space size of the SunOS
 # sed (GNU sed does not have this problem).  Since the file does not