build: fix extreme build system slowdown caused by SOURCE_DATE_EPOCH changes

[openwrt/staging/chunkeey.git] / include / package.mk

diff --git a/include/package.mk b/include/package.mk
index a93d6b78f3261f27b72d940dda52ef6b16ca5653..50bd838180d86640856ced178680d3f425b6ebcc 100644 (file)
--- a/include/package.mk
+++ b/include/package.mk
@@ -19,6 +19,8 @@ PKG_IREMAP ?= 1
 
 MAKE_J:=$(if $(MAKE_JOBSERVER),$(MAKE_JOBSERVER) $(if $(filter 3.% 4.0 4.1,$(MAKE_VERSION)),-j))
 
+PKG_SOURCE_DATE_EPOCH:=$(if $(DUMP),,$(shell $(TOPDIR)/scripts/get_source_date_epoch.sh $(CURDIR)))
+
 ifeq ($(strip $(PKG_BUILD_PARALLEL)),0)
 PKG_JOBS?=-j1
 else