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| author | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-05 20:27:22 +0000 |
|---|---|---|
| committer | burnus <burnus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-05 20:27:22 +0000 |
| commit | 9148bda34df16c7d191cddbe5553bf013b1a7bd8 (patch) | |
| tree | 61e37f9572a53a1c03ae93e5c3d39f8427a2be96 /libcpp/macro.c | |
| parent | 063d85f46074cecfaf693f5a0aea19a2dcfa546e (diff) | |
| download | ppe42-gcc-9148bda34df16c7d191cddbe5553bf013b1a7bd8.tar.gz ppe42-gcc-9148bda34df16c7d191cddbe5553bf013b1a7bd8.zip | |
2013-11-05 Tobias Burnus <burnus@net-b.de>
gcc/c-family/
* c.opt (-Wdate-time): New option
* c-opts.c (sanitize_cpp_opts): Pass on to libcpp.
gcc/
* doc/invoke.texi (-Wdate-time): Document.
gcc/fortran
* lang.opt (-Wdate-time): New option
* cpp.c (gfc_cpp_option_data): Add warn_date_time.
(gfc_cpp_init_options, gfc_cpp_handle_option,
gfc_cpp_post_options): Handle it and pass on to libcpp.
gcc/testsuite/
* g++.dg/warn/wdate-time.C: New.
* gcc.dg/wdate-time.c: New.
* gfortran.dg/wdate-time.F90: New.
libcpp/
* include/cpplib.h (CPP_W_DATE_TIME): Added.
(cpp_options): Add warn_date_time.
* init.c (cpp_create_reader): Init it.
* macro.c (_cpp_builtin_macro_text): Warn when
__DATE__/__TIME__/__TIMESTAMP__ is used.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204420 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libcpp/macro.c')
| -rw-r--r-- | libcpp/macro.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libcpp/macro.c b/libcpp/macro.c index 6d46027e4ea..3a1728d6663 100644 --- a/libcpp/macro.c +++ b/libcpp/macro.c @@ -232,6 +232,10 @@ _cpp_builtin_macro_text (cpp_reader *pfile, cpp_hashnode *node) case BT_TIMESTAMP: { + if (CPP_OPTION (pfile, warn_date_time)) + cpp_warning (pfile, CPP_W_DATE_TIME, "Macro \"%s\" might prevent " + "reproduce builds", NODE_NAME (node)); + cpp_buffer *pbuffer = cpp_get_buffer (pfile); if (pbuffer->timestamp == NULL) { @@ -325,6 +329,9 @@ _cpp_builtin_macro_text (cpp_reader *pfile, cpp_hashnode *node) case BT_DATE: case BT_TIME: + if (CPP_OPTION (pfile, warn_date_time)) + cpp_warning (pfile, CPP_W_DATE_TIME, "Macro \"%s\" might prevent " + "reproduce builds", NODE_NAME (node)); if (pfile->date == NULL) { /* Allocate __DATE__ and __TIME__ strings from permanent |
