summaryrefslogtreecommitdiff
path: root/gcc/c-opts.c
diff options
context:
space:
mode:
authorNeil Booth <neil@daikokuya.co.uk>2002-08-14 22:34:50 +0000
committerNeil Booth <neil@gcc.gnu.org>2002-08-14 22:34:50 +0000
commit182d89a3e9e9477e6fd7fae846e2033ee6e287cd (patch)
treef37dd03c8db5ac792b317d8bbddee04999fd0d43 /gcc/c-opts.c
parent8bfb14674d5dccd6a1cdd71051dfac643901c4d4 (diff)
downloadgcc-182d89a3e9e9477e6fd7fae846e2033ee6e287cd.tar.gz
re PR preprocessor/7358 (Changes to Sun's make Dependencies)
PR preprocessor/7358 * c-opts.c (check_deps_environment_vars): Ignore main file for SUNPRO_DEPENDENCIES. * cppfiles.c (stack_include_file): Ignore main file if appropriate. * cpplib.h (struct cpp_options): New member in deps. * doc/cppenv.texi: Update. From-SVN: r56333
Diffstat (limited to 'gcc/c-opts.c')
-rw-r--r--gcc/c-opts.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c
index 0b98308b12b..36f11f02288 100644
--- a/gcc/c-opts.c
+++ b/gcc/c-opts.c
@@ -1467,7 +1467,8 @@ c_common_finish ()
DEPS_TARGET", where OUTPUT_FILE is the file to write deps info to
and DEPS_TARGET is the target to mention in the deps. They also
result in dependency information being appended to the output file
- rather than overwriting it. */
+ rather than overwriting it, and like Sun's compiler
+ SUNPRO_DEPENDENCIES suppresses the dependency on the main file. */
static void
check_deps_environment_vars ()
{
@@ -1480,7 +1481,10 @@ check_deps_environment_vars ()
{
GET_ENVIRONMENT (spec, "SUNPRO_DEPENDENCIES");
if (spec)
- cpp_opts->deps.style = DEPS_SYSTEM;
+ {
+ cpp_opts->deps.style = DEPS_SYSTEM;
+ cpp_opts->deps.ignore_main_file = true;
+ }
}
if (spec)