fi
if [ -r ${LIB}/$file ]; then
- if grep 'class[(]' ${LIB}/$file >/dev/null; then
+ if grep '[^a-zA-Z_]class[(]' ${LIB}/$file >/dev/null; then
echo Fixing $file
sed -e '/class[(]/i\
#ifndef __cplusplus
fi
fi
+# Some math.h files define 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
+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, exception
+ sed -e '/struct exception/i\
+#ifdef __cplusplus\
+#define exception __math_exception\
+#endif'\
+ -e '/struct exception/a\
+#ifdef __cplusplus\
+#undef exception\
+#endif' ${LIB}/$file > ${LIB}/${file}.sed
+ rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+ if egrep 'matherr()' ${LIB}/$file >/dev/null 2>&1; then
+ sed -e '/matherr/i\
+#ifdef __cplusplus\
+#define exception __math_exception\
+#endif'\
+ -e '/matherr/a\
+#ifdef __cplusplus\
+#undef exception\
+#endif' ${LIB}/$file > ${LIB}/${file}.sed
+ rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
+ fi
+ if cmp $file ${LIB}/$file >/dev/null 2>&1; then
+ rm -f ${LIB}/$file
+ else
+ # Find any include directives that use "file".
+ for include in `egrep '^[ ]*#[ ]*include[ ]*"[^/]' ${LIB}/$file | sed -e 's/^[ ]*#[ ]*include[ ]*"\([^"]*\)".*$/\1/'`; do
+ dir=`echo $file | sed -e s'|/[^/]*$||'`
+ required="$required ${INPUT} $dir/$include ${LIB}/$dir/$include"
+ done
+ fi
+fi
+
# This loop does not appear to do anything, because it uses file
# rather than $file when setting target. It also appears to be
# unnecessary, since the main loop processes symbolic links.