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-rw-r--r--gcc/aclocal.m46
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/aclocal.m4 b/gcc/aclocal.m4
index 1503ff8..d7d14a2 100644
--- a/gcc/aclocal.m4
+++ b/gcc/aclocal.m4
@@ -16,6 +16,12 @@ AC_CACHE_VAL(gcc_cv_decl_needed_$1,
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
+#ifndef HAVE_RINDEX
+#define rindex strrchr
+#endif
+#ifndef HAVE_INDEX
+#define index strchr
#endif],
[char *(*pfn) = (char *(*)) $1],
gcc_cv_decl_needed_$1=no, gcc_cv_decl_needed_$1=yes)])