* [PATCH, committed] Make module files reproducible
@ 2018-02-13 7:59 Janne Blomqvist
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From: Janne Blomqvist @ 2018-02-13 7:59 UTC (permalink / raw)
To: fortran, gcc-patches; +Cc: Janne Blomqvist
Using lbasename ensures that the build path does not end up in the
module file.
Regtested on x86_64-pc-linux-gnu, committed to trunk. Will shortly
backport to the 6 and 7 branches as well.
2018-02-13 Alastair McKinstry <alastair.mckinstry@sceal.ie>
Janne Blomqvist <jb@gcc.gnu.org>
* module.c (dump_module): Use lbasename to ensure that module
files are reproducible.
---
gcc/fortran/module.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index b120501..c833e67 100644
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -6148,8 +6148,10 @@ dump_module (const char *name, int dump_flag)
gfc_fatal_error ("Can't open module file %qs for writing at %C: %s",
filename_tmp, xstrerror (errno));
+ /* Use lbasename to ensure module files are reproducible regardless
+ of the build path (see the reproducible builds project). */
gzprintf (module_fp, "GFORTRAN module version '%s' created from %s\n",
- MOD_VERSION, gfc_source_file);
+ MOD_VERSION, lbasename (gfc_source_file));
/* Write the module itself. */
iomode = IO_OUTPUT;
--
2.7.4
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2018-02-13 7:59 [PATCH, committed] Make module files reproducible Janne Blomqvist
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