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-rw-r--r--gcc/cppfiles.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/cppfiles.c b/gcc/cppfiles.c
index 0dfd9d0..7f15a8d 100644
--- a/gcc/cppfiles.c
+++ b/gcc/cppfiles.c
@@ -804,7 +804,11 @@ search_from (pfile, inc)
if (CPP_OPTION (pfile, ignore_srcdir))
return CPP_OPTION (pfile, quote_include);
- dlen = basename (inc->name) - inc->name;
+ /* basename () on Solaris returns "." for an empty string. */
+ dlen = 0;
+ if (inc->name[0] != '\0')
+ dlen = basename (inc->name) - inc->name;
+
if (dlen)
{
/* We don't guarantee NAME is null-terminated. This saves