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| author | neil <neil@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-10-12 17:10:20 +0000 |
|---|---|---|
| committer | neil <neil@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-10-12 17:10:20 +0000 |
| commit | eb95e7f79a0692ecac4289d6db91b83d1b4c349d (patch) | |
| tree | 4c5bb40c8243c8d81d98f8077368efdfb23e77f5 /gcc/gcc.c | |
| parent | 9f280fe9060330b090b5765927df80c46b38f392 (diff) | |
| download | gcc-eb95e7f79a0692ecac4289d6db91b83d1b4c349d.tar.gz | |
PR preprocessor/7862
PR preprocessor/8190
* gcc.c (cpp_unique_options): Don't delete .d files.
Remove stray whitespace.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58088 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcc.c')
| -rw-r--r-- | gcc/gcc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c index 4f360c86b69..1018513f5c7 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -673,13 +673,16 @@ static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; static const char *trad_capable_cpp = "cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}"; +/* We don't wrap .d files in %W{} since a missing .d file, and + therefore no dependency entry, confuses make into thinking a .o + file that happens to exist is up-to-date. */ static const char *cpp_unique_options = "%{C:%{!E:%eGNU C does not support -C without using -E}}\ %{CC:%{!E:%eGNU C does not support -CC without using -E}}\ %{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*} %{P} %I\ - %{MD:-MD %W{!o: %b.d}%W{o*:%.d%*}}\ - %{MMD:-MMD %W{!o: %b.d}%W{o*:%.d%*}}\ - %{M} %{MM} %W{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ + %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ + %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ + %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}}\ %{!no-gcc:-D__GNUC__=%v1 -D__GNUC_MINOR__=%v2 -D__GNUC_PATCHLEVEL__=%v3}\ %{!undef:%{!ansi:%{!std=*:%p}%{std=gnu*:%p}} %P} %{trigraphs}\ |