summaryrefslogtreecommitdiff
path: root/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile18
1 files changed, 15 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 797394a955..4fe1d88589 100644
--- a/Makefile
+++ b/Makefile
@@ -1263,12 +1263,24 @@ define filechk_version.h
echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
endef
+# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date.
+# The BSD date on the other hand behaves different and would produce errors
+# with the misused '-d' switch. Respect that and search a working date with
+# well known pre- and suffixes for the GNU variant of date.
define filechk_timestamp.h
(if test -n "$${SOURCE_DATE_EPOCH}"; then \
SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \
- LC_ALL=C date -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
- LC_ALL=C date -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
- LC_ALL=C date -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
+ DATE=""; \
+ for date in gdate date.gnu date; do \
+ $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \
+ done; \
+ if test -n "$${DATE}"; then \
+ LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \
+ LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \
+ LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \
+ else \
+ return 42; \
+ fi; \
else \
LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \