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c-common.c (get_source_date_epoch): New function...

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gcc/c-family/ChangeLog:

2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
	    Matthias Klose  <doko@debian.org>

	* c-common.c (get_source_date_epoch): New function, gets the environment
	variable SOURCE_DATE_EPOCH and parses it as long long with error 
	handling.
	* c-common.h (get_source_date_epoch): Prototype.
	* c-lex.c (c_lex_with_flags): set parse_in->source_date_epoch.

gcc/ChangeLog:

2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
	    Matthias Klose  <doko@debian.org>

	* doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.

libcpp/ChangeLog:

2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
	    Matthias Klose  <doko@debian.org>

	* include/cpplib.h (cpp_init_source_date_epoch): Prototype.
	* init.c (cpp_init_source_date_epoch): New function.
	* internal.h: Added source_date_epoch variable to struct
	cpp_reader to store a reproducible date.
	* macro.c (_cpp_builtin_macro_text): Set pfile->date timestamp from 
	pfile->source_date_epoch instead of localtime if source_date_epoch is 
	set, to be used for __DATE__ and __TIME__ macros to help reproducible 
	builds.

Co-Authored-By: Matthias Klose <doko@debian.org>

From-SVN: r235550
This commit is contained in:
Eduard Sanou 2016-04-28 09:12:05 +00:00 • committed by Matthias Klose
parent a564d35095
commit 174f66220d
11 changed files with 113 additions and 8 deletions
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3
libcpp/include/cpplib.h
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@ -784,6 +784,9 @@ extern void cpp_init_special_builtins (cpp_reader *);
/* Set up built-ins like __FILE__. */
extern void cpp_init_builtins (cpp_reader *, int);
/* Initialize the source_date_epoch value. */
extern void cpp_init_source_date_epoch (cpp_reader *, time_t);
/* This is called after options have been parsed, and partially
processed. */
extern void cpp_post_options (cpp_reader *);