From: IOhannes m zmölnig <zmoelnig@iem.at>
Date: Mon, 30 Oct 2017 09:08:06 +0000 (+0100)
Subject: calculated BUILD_DATE based on SOURCE_DATE_EPOCH
X-Git-Tag: archive/raspbian/0.15.4+ds1-1+rpi1^2~77
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=3b551f558e8e4cb4b12c310502c37a4ac15d1f1c;p=giada.git

calculated BUILD_DATE based on SOURCE_DATE_EPOCH

rather than parsing d/changelog
---

diff --git a/debian/rules b/debian/rules
index 612807e..fc54a56 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,12 +1,17 @@
 #!/usr/bin/make -f
 
-DATE := $(shell date -u -d "$$(dpkg-parsechangelog -SDate)" +"%Y/%m/%d")
-
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
 
-CPPFLAGS+=-DBUILD_DATE='"$(DATE)"'
+DATE_FMT = %Y-%m-%d
+ifdef SOURCE_DATE_EPOCH
+    BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)" 2>/dev/null || date -u "+$(DATE_FMT)")
+else
+    BUILD_DATE ?= $(shell date "+$(DATE_FMT)")
+endif
+
+CPPFLAGS+=-DBUILD_DATE='"$(BUILD_DATE)"'
 CXXFLAGS+=-std=c++11
 
 %: