Source: gretl
Version: 2016b-3
Severity: wishlist
Tags: patch
User: reproducible-bui...@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bui...@lists.alioth.debian.org
Hi,
Whilst working on the "reproducible builds" effort [0], we
noticed that gretl could not be built reproducibly.
Patch attached. It can probably be sent upstream.
[0] https://wiki.debian.org/ReproducibleBuilds
Regards,
--
,''`.
: :' : Chris Lamb
`. `'` la...@debian.org / chris-lamb.co.uk
`-
--- a/debian/patches/reproducible_build.patch 1970-01-01 02:00:00.000000000
+0200
--- b/debian/patches/reproducible_build.patch 2016-07-13 23:08:07.738744702
+0200
@@ -0,0 +1,43 @@
+--- gretl-2016b.orig/builddate.c
++++ gretl-2016b/builddate.c
+@@ -2,11 +2,40 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <time.h>
++#include <errno.h>
++#include <limits.h>
+
+ void current_ymd (int *y, int *m, int *d)
+ {
+ time_t t = time(NULL);
+ struct tm *lt = localtime(&t);
++ char *endptr;
++ char *source_date_epoch = getenv("SOURCE_DATE_EPOCH");
++ unsigned long long epoch;
++
++ if (source_date_epoch) {
++ errno = 0;
++ epoch = strtoull(source_date_epoch, &endptr, 10);
++ if ((errno == ERANGE && (epoch == ULLONG_MAX || epoch == 0))
++ || (errno != 0 && epoch == 0)) {
++ fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH:
strtoull: %s\n", strerror(errno));
++ exit(EXIT_FAILURE);
++ }
++ if (endptr == source_date_epoch) {
++ fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH: No
digits were found: %s\n", endptr);
++ exit(EXIT_FAILURE);
++ }
++ if (*endptr != '\0') {
++ fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH:
Trailing garbage: %s\n", endptr);
++ exit(EXIT_FAILURE);
++ }
++ if (epoch > ULONG_MAX) {
++ fprintf(stderr, "Environment variable $SOURCE_DATE_EPOCH: value
must be smaller than or equal to: %lu but was found to be: %llu \n", ULONG_MAX,
epoch);
++ exit(EXIT_FAILURE);
++ }
++ t = epoch;
++ lt = gmtime(&t);
++ }
+
+ *y = lt->tm_year + 1900;
+ *m = lt->tm_mon + 1;
--- a/debian/patches/series 1970-01-01 02:00:00.000000000 +0200
--- b/debian/patches/series 2016-07-13 23:08:04.154727493 +0200
@@ -0,0 +1 @@
+reproducible_build.patch
