diff options
Diffstat (limited to 'package/boot/uboot-ar71xx/patches/0001-upstream-Reproducible-U-Boot-build-support-using-SOURCE_DATE_.patch')
-rw-r--r-- | package/boot/uboot-ar71xx/patches/0001-upstream-Reproducible-U-Boot-build-support-using-SOURCE_DATE_.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/package/boot/uboot-ar71xx/patches/0001-upstream-Reproducible-U-Boot-build-support-using-SOURCE_DATE_.patch b/package/boot/uboot-ar71xx/patches/0001-upstream-Reproducible-U-Boot-build-support-using-SOURCE_DATE_.patch deleted file mode 100644 index 331c1c3662..0000000000 --- a/package/boot/uboot-ar71xx/patches/0001-upstream-Reproducible-U-Boot-build-support-using-SOURCE_DATE_.patch +++ /dev/null @@ -1,82 +0,0 @@ -From f3f431a712729a1af94d01bd1bfde17a252ff02c Mon Sep 17 00:00:00 2001 -From: Paul Kocialkowski <contact@paulk.fr> -Date: Sun, 26 Jul 2015 18:48:15 +0200 -Subject: [PATCH] Reproducible U-Boot build support, using SOURCE_DATE_EPOCH - -In order to achieve reproducible builds in U-Boot, timestamps that are defined -at build-time have to be somewhat eliminated. The SOURCE_DATE_EPOCH environment -variable allows setting a fixed value for those timestamps. - -Simply by setting SOURCE_DATE_EPOCH to a fixed value, a number of targets can be -built reproducibly. This is the case for e.g. sunxi devices. - -However, some other devices might need some more tweaks, especially regarding -the image generation tools. - -Signed-off-by: Paul Kocialkowski <contact@paulk.fr> ---- - Makefile | 7 ++++--- - README | 12 ++++++++++++ - tools/default_image.c | 21 ++++++++++++++++++++- - 3 files changed, 36 insertions(+), 4 deletions(-) - ---- a/README -+++ b/README -@@ -2785,6 +2785,18 @@ Low Level (hardware related) configurati - that is executed before the actual U-Boot. E.g. when - compiling a NAND SPL. - -+Reproducible builds -+------------------- -+ -+In order to achieve reproducible builds, timestamps used in the U-Boot build -+process have to be set to a fixed value. -+ -+This is done using the SOURCE_DATE_EPOCH environment variable. -+SOURCE_DATE_EPOCH is to be set on the build host's shell, not as a configuration -+option for U-Boot or an environment variable in U-Boot. -+ -+SOURCE_DATE_EPOCH should be set to a number of seconds since the epoch, in UTC. -+ - Building the Software: - ====================== - ---- a/tools/default_image.c -+++ b/tools/default_image.c -@@ -101,6 +101,9 @@ static void image_set_header (void *ptr, - struct mkimage_params *params) - { - uint32_t checksum; -+ char *source_date_epoch; -+ struct tm *time_universal; -+ time_t time; - - image_header_t * hdr = (image_header_t *)ptr; - -@@ -109,9 +112,25 @@ static void image_set_header (void *ptr, - sizeof(image_header_t)), - sbuf->st_size - sizeof(image_header_t)); - -+source_date_epoch = getenv("SOURCE_DATE_EPOCH"); -+ if (source_date_epoch != NULL) { -+ time = (time_t) strtol(source_date_epoch, NULL, 10); -+ -+ time_universal = gmtime(&time); -+ if (time_universal == NULL) { -+ fprintf(stderr, "%s: SOURCE_DATE_EPOCH is not valid\n", -+ __func__); -+ time = 0; -+ } else { -+ time = mktime(time_universal); -+ } -+ } else { -+ time = sbuf->st_mtime; -+ } -+ - /* Build new header */ - image_set_magic (hdr, IH_MAGIC); -- image_set_time (hdr, sbuf->st_mtime); -+ image_set_time(hdr, time); - image_set_size (hdr, sbuf->st_size - sizeof(image_header_t)); - image_set_load (hdr, params->addr); - image_set_ep (hdr, params->ep); |