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authorFelix Fietkau <nbd@openwrt.org>2016-01-25 15:49:31 +0000
committerFelix Fietkau <nbd@openwrt.org>2016-01-25 15:49:31 +0000
commitb737686b2c5277bfa62705c41e71ad60e1d44ae8 (patch)
tree1c82a6767d8f92c5491cc8e76dd240e2a1847ec1 /include
parent0ae15ad439e4830cafd409c2d2531d90aa803300 (diff)
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build: use -iremap feature to replace __FILE__ absolute path names in packages with ones relative to $(BUILD_DIR)
improves reproducible builds Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48489
Diffstat (limited to 'include')
-rw-r--r--include/package.mk5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/package.mk b/include/package.mk
index 1dfbd68d33..ca315b59ac 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -14,6 +14,7 @@ PKG_INSTALL_DIR ?= $(PKG_BUILD_DIR)/ipkg-install
PKG_MD5SUM ?= unknown
PKG_BUILD_PARALLEL ?=
PKG_USE_MIPS16 ?= 1
+PKG_IREMAP ?= 1
ifneq ($(CONFIG_PKG_BUILD_USE_JOBSERVER),)
MAKE_J:=$(if $(MAKE_JOBSERVER),$(MAKE_JOBSERVER) -j)
@@ -33,6 +34,10 @@ ifdef CONFIG_USE_MIPS16
TARGET_CFLAGS += -mips16 -minterlink-mips16
endif
endif
+ifeq ($(strip $(PKG_IREMAP)),1)
+ IREMAP_CFLAGS = $(call iremap,$(PKG_BUILD_DIR),$(notdir $(PKG_BUILD_DIR)))
+ TARGET_CFLAGS += $(IREMAP_CFLAGS)
+endif
include $(INCLUDE_DIR)/hardening.mk
include $(INCLUDE_DIR)/prereq.mk