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-rw-r--r--gcc/cpplib.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/gcc/cpplib.c b/gcc/cpplib.c
index 63c9ff1..932f222 100644
--- a/gcc/cpplib.c
+++ b/gcc/cpplib.c
@@ -2969,17 +2969,25 @@ do_include (pfile, keyword)
break;
if (fp == CPP_NULL_BUFFER (pfile))
- fp = NULL;
+ {
+ cpp_fatal (pfile, "cpp internal error: fp == NULL_BUFFER in do_include");
+ return 1;
+ }
- /* For #include_next, skip in the search path
- past the dir in which the containing file was found. */
- if (skip_dirs)
+ /* For #include_next, skip in the search path past the dir in which the
+ containing file was found. Treat files specified using an absolute path
+ as if there are no more directories to search. Treat the primary source
+ file like any other included source, but generate a warning. */
+ if (skip_dirs && CPP_PREV_BUFFER(fp) != CPP_NULL_BUFFER (pfile))
{
- if (fp)
+ if (fp->ihash->foundhere != ABSOLUTE_PATH)
search_start = fp->ihash->foundhere->next;
}
else
{
+ if (skip_dirs)
+ cpp_warning (pfile, "#include_next in primary source file");
+
if (angle_brackets)
search_start = CPP_OPTIONS (pfile)->bracket_include;
else
@@ -4730,8 +4738,12 @@ cpp_start_read (pfile, fname)
fp = cpp_push_buffer (pfile, NULL, 0);
if (!fp)
return 0;
- if (opts->in_fname == NULL)
- opts->in_fname = "";
+ if (opts->in_fname == NULL || *opts->in_fname == 0)
+ {
+ opts->in_fname = fname;
+ if (opts->in_fname == NULL)
+ opts->in_fname = "";
+ }
fp->nominal_fname = fp->fname = opts->in_fname;
fp->lineno = 0;