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-rw-r--r--build/external/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/build/external/Makefile b/build/external/Makefile
index d648f4fa1c7..fb3cd94e526 100644
--- a/build/external/Makefile
+++ b/build/external/Makefile
@@ -21,6 +21,7 @@ BUILD_DIR ?= $(CURDIR)/_build
INSTALL_DIR ?= $(CURDIR)/_install
PKG_VERSION ?= $(shell git describe --abbrev=0 --match 'v[0-9]*' | cut -d- -f1 | cut -dv -f2 | cut -d. -f1,2)
PKG_SUFFIX ?= $(shell git log --oneline v$(PKG_VERSION)-rc0.. . | wc -l)
+SOURCE_DATE_EPOCH ?= $(shell git log -1 --pretty=%ct .)
JOBS := $(if $(shell [ -f /proc/cpuinfo ] && head /proc/cpuinfo),\
$(shell grep -c ^processor /proc/cpuinfo), 2)
@@ -68,7 +69,7 @@ deb/debian/changelog: Makefile
@echo "" >> $@
@echo " * Version $(DEB_VER)" >> $@
@echo "" >> $@
- @echo " -- VPP Dev <vpp-dev@lists.fd.io> $(shell date -R)" >> $@
+ @echo " -- VPP Dev <vpp-dev@lists.fd.io> $(shell date -R --date=@${SOURCE_DATE_EPOCH})" >> $@
$(DEV_DEB): deb/debian/changelog
@cd deb && dpkg-buildpackage -b -uc -us