To improve reproducibility, prevent the inclusion of timestamps
in the gzip header.

Signed-off-by: Reiner Herrmann <rei...@reiner-h.de>
---
 docs/adding.tex                                | 2 +-
 include/image.mk                               | 2 +-
 package/Makefile                               | 2 +-
 target/imagebuilder/files/Makefile             | 2 +-
 target/linux/adm5120/image/router_le.mk        | 2 +-
 target/linux/adm8668/image/Makefile            | 2 +-
 target/linux/ar71xx/image/Makefile             | 6 +++---
 target/linux/ath25/image/Makefile              | 2 +-
 target/linux/brcm63xx/image/Makefile           | 2 +-
 target/linux/generic/files/crypto/ocf/Makefile | 2 +-
 target/linux/ipq806x/image/Makefile            | 2 +-
 target/linux/malta/image/Makefile              | 2 +-
 target/linux/x86/image/Makefile                | 4 ++--
 target/linux/xburst/image/Makefile             | 2 +-
 14 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/docs/adding.tex b/docs/adding.tex
index 97547ac..7b80c0d 100644
--- a/docs/adding.tex
+++ b/docs/adding.tex
@@ -556,7 +556,7 @@ include $(INCLUDE_DIR)/image.mk
 
 define Image/BuildKernel
         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-vmlinux.elf
-        gzip -9 -c $(KDIR)/vmlinux > $(KDIR)/vmlinux.bin.gz
+        gzip -9n -c $(KDIR)/vmlinux > $(KDIR)/vmlinux.bin.gz
         $(STAGING_DIR_HOST)/bin/lzma e $(KDIR)/vmlinux $(KDIR)/vmlinux.bin.l7
         dd if=$(KDIR)/vmlinux.bin.l7 
of=$(BIN_DIR)/openwrt-$(BOARD)-vmlinux.lzma bs=65536 conv=sync
         dd if=$(KDIR)/vmlinux.bin.gz of=$(BIN_DIR)/openwrt-$(BOARD)-vmlinux.gz 
bs=65536 conv=sync
diff --git a/include/image.mk b/include/image.mk
index 814e7dc..6767e76 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -224,7 +224,7 @@ ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 endif
 
 define Image/mkfs/cpiogz
-       ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 
>$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+       ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n 
>$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 endef
 
 define Image/mkfs/targz
diff --git a/package/Makefile b/package/Makefile
index 3ef34b1..cc691b5 100644
--- a/package/Makefile
+++ b/package/Makefile
@@ -149,7 +149,7 @@ $(curdir)/index: FORCE
                mkdir -p $(PACKAGE_DIR)/$$d; \
                cd $(PACKAGE_DIR)/$$d || continue; \
                $(SCRIPT_DIR)/ipkg-make-index.sh . 2>&1 > Packages && \
-                       gzip -9c Packages > Packages.gz; \
+                       gzip -9nc Packages > Packages.gz; \
        ); done
 ifdef CONFIG_SIGNED_PACKAGES
        @echo Signing package index...
diff --git a/target/imagebuilder/files/Makefile 
b/target/imagebuilder/files/Makefile
index e28660f..8f25c4a 100644
--- a/target/imagebuilder/files/Makefile
+++ b/target/imagebuilder/files/Makefile
@@ -121,7 +121,7 @@ package_index: FORCE
        @echo Building package index...
        @mkdir -p $(TMP_DIR) $(TARGET_DIR)/tmp
        (cd $(PACKAGE_DIR); $(SCRIPT_DIR)/ipkg-make-index.sh . > Packages && \
-               gzip -9c Packages > Packages.gz \
+               gzip -9nc Packages > Packages.gz \
        ) >/dev/null 2>/dev/null
        $(OPKG) update || true
 
diff --git a/target/linux/adm5120/image/router_le.mk 
b/target/linux/adm5120/image/router_le.mk
index 6df6dcd..1e3d7f7 100644
--- a/target/linux/adm5120/image/router_le.mk
+++ b/target/linux/adm5120/image/router_le.mk
@@ -72,7 +72,7 @@ define Image/Build/Cellvision
        $(call Image/Build/Loader,$(2),bin,0x80500000,0x6D8,y,$(3))
        mkdir -p $(BIN_DIR)/tmp
        cp $(KDIR)/loader-$(2).bin $(BIN_DIR)/tmp/vmlinux.bin
-       gzip -9 $(BIN_DIR)/tmp/vmlinux.bin
+       gzip -9n $(BIN_DIR)/tmp/vmlinux.bin
        dd if=$(BIN_DIR)/tmp/vmlinux.bin.gz of=$(call 
imgname,$(1),$(2))-xmodem.bin bs=64k conv=sync
        rm -rf $(BIN_DIR)/tmp
        $(call Image/Build/TRXNoloader,$(call imgname,$(1),$(2)).trx,$(1))
diff --git a/target/linux/adm8668/image/Makefile 
b/target/linux/adm8668/image/Makefile
index 9e25224..597b8f7 100644
--- a/target/linux/adm8668/image/Makefile
+++ b/target/linux/adm8668/image/Makefile
@@ -16,7 +16,7 @@ endef
 
 
 define CompressGzip
-       gzip -9 -c $(1) > $(2)
+       gzip -9n -c $(1) > $(2)
 endef
 
 define MkImage
diff --git a/target/linux/ar71xx/image/Makefile 
b/target/linux/ar71xx/image/Makefile
index 0351310..c8cf301 100644
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -985,7 +985,7 @@ endef
 define PatchKernelGzip
        cp $(KDIR)/vmlinux$(3) $(KDIR_TMP)/vmlinux$(3)-$(1)
        $(STAGING_DIR_HOST)/bin/patch-cmdline $(KDIR_TMP)/vmlinux$(3)-$(1) 
"$(strip $(2))"
-       gzip -9 -c $(KDIR_TMP)/vmlinux$(3)-$(1) > 
$(KDIR_TMP)/vmlinux$(3)-$(1).bin.gz
+       gzip -9n -c $(KDIR_TMP)/vmlinux$(3)-$(1) > 
$(KDIR_TMP)/vmlinux$(3)-$(1).bin.gz
 endef
 
 ifneq ($(SUBTARGET),mikrotik)
@@ -2224,10 +2224,10 @@ define Image/Build/Initramfs
 endef
 
 define Image/Prepare
-       gzip -9 -c $(KDIR)/vmlinux > $(KDIR)/vmlinux.bin.gz
+       gzip -9n -c $(KDIR)/vmlinux > $(KDIR)/vmlinux.bin.gz
        $(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
-       gzip -9 -c $(KDIR)/vmlinux-initramfs > $(KDIR)/vmlinux-initramfs.bin.gz
+       gzip -9n -c $(KDIR)/vmlinux-initramfs > $(KDIR)/vmlinux-initramfs.bin.gz
        $(call 
CompressLzma,$(KDIR)/vmlinux-initramfs,$(KDIR)/vmlinux-initramfs.bin.lzma)
        $(call Image/BuildLoader,generic,elf,,,-initramfs)
 endif
diff --git a/target/linux/ath25/image/Makefile 
b/target/linux/ath25/image/Makefile
index 86f2d44..6bdb3c4 100644
--- a/target/linux/ath25/image/Makefile
+++ b/target/linux/ath25/image/Makefile
@@ -9,7 +9,7 @@ include $(INCLUDE_DIR)/image.mk
 
 define Image/BuildKernel
        cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
-       gzip -9 -c $(KDIR)/vmlinux > $(KDIR)/vmlinux.bin.gz
+       gzip -9n -c $(KDIR)/vmlinux > $(KDIR)/vmlinux.bin.gz
        $(STAGING_DIR_HOST)/bin/lzma e $(KDIR)/vmlinux $(KDIR)/vmlinux.bin.l7
        dd if=$(KDIR)/vmlinux.bin.l7 of=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux.lzma 
bs=65536 conv=sync
        dd if=$(KDIR)/vmlinux.bin.gz of=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux.gz 
bs=65536 conv=sync
diff --git a/target/linux/brcm63xx/image/Makefile 
b/target/linux/brcm63xx/image/Makefile
index e6dc2a8..63cd90a 100755
--- a/target/linux/brcm63xx/image/Makefile
+++ b/target/linux/brcm63xx/image/Makefile
@@ -95,7 +95,7 @@ endef
 define Image/Build/RedBootDTB
        # Prepare kernel and rootfs
        cat $(KDIR)/vmlinux $(DTS_DIR)/$(3).dtb > $(KDIR)/vmlinux-$(3)
-       gzip -9 -c $(KDIR)/vmlinux-$(3) > $(KDIR)/vmlinux-$(3).bin.gz
+       gzip -9n -c $(KDIR)/vmlinux-$(3) > $(KDIR)/vmlinux-$(3).bin.gz
        dd if=$(KDIR)/vmlinux-$(3).bin.gz 
of=$(BIN_DIR)/$(IMG_PREFIX)-$(2)-vmlinux.gz bs=65536 conv=sync
        dd if=$(KDIR)/root.squashfs 
of="$(BIN_DIR)/$(IMG_PREFIX)-$(2)-root.squashfs" bs=64k conv=sync
        echo -ne \\xDE\\xAD\\xC0\\xDE >> 
"$(BIN_DIR)/$(IMG_PREFIX)-$(2)-root.squashfs"
diff --git a/target/linux/generic/files/crypto/ocf/Makefile 
b/target/linux/generic/files/crypto/ocf/Makefile
index 110ed83..78d052c 100644
--- a/target/linux/generic/files/crypto/ocf/Makefile
+++ b/target/linux/generic/files/crypto/ocf/Makefile
@@ -144,5 +144,5 @@ release:
                find $$RELDIR/ocf -name CVS | xargs rm -rf; \
                cd $$RELDIR/..; \
                tar cvf ocf-linux-$$REL.tar ocf-linux-$$REL; \
-               gzip -9 ocf-linux-$$REL.tar
+               gzip -9n ocf-linux-$$REL.tar
 
diff --git a/target/linux/ipq806x/image/Makefile 
b/target/linux/ipq806x/image/Makefile
index db5bf0a..9a1bad8 100644
--- a/target/linux/ipq806x/image/Makefile
+++ b/target/linux/ipq806x/image/Makefile
@@ -9,7 +9,7 @@ UBINIZE_OPTS = -m 2048 -p 128KiB
 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 
 define Image/BuildKernel/FIT
-       gzip -9 -c $(KDIR)/Image > $(KDIR)/Image.gz
+       gzip -9n -c $(KDIR)/Image > $(KDIR)/Image.gz
        $(call CompressLzma,$(KDIR)/Image,$(KDIR)/Image.gz)
        $(call Image/BuildKernel/MkFIT,$(1), $(KDIR)/Image.gz, 
$(LINUX_DIR)/arch/arm/boot/dts/$(1).dtb,gzip,0x42208000,0x42208000)
        $(CP) $(KDIR)/fit-$(1).itb $(BIN_DIR)/$(IMG_PREFIX)-$(1)-fit-uImage.itb
diff --git a/target/linux/malta/image/Makefile 
b/target/linux/malta/image/Makefile
index 3f14756..180e045 100644
--- a/target/linux/malta/image/Makefile
+++ b/target/linux/malta/image/Makefile
@@ -16,7 +16,7 @@ define CompressLzma
 endef
 
 define CompressGzip
-       gzip -9 -c $(1) > $(2)
+       gzip -9n -c $(1) > $(2)
 endef
 
 define MkuImage
diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
index e7e02f1..8e56372 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -149,8 +149,8 @@ ifneq ($(CONFIG_VMDK_IMAGES),)
 endif
 
 define Image/Build/gzip
-       gzip -f9 $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img
-       gzip -f9 $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
+       gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).img
+       gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-rootfs-$(1).img
 endef
 
 ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
diff --git a/target/linux/xburst/image/Makefile 
b/target/linux/xburst/image/Makefile
index 58436d5..3795454 100644
--- a/target/linux/xburst/image/Makefile
+++ b/target/linux/xburst/image/Makefile
@@ -25,7 +25,7 @@ endef
 
 
 define MkImageGzip
-       gzip -9 -c $(1) > $(1).gz
+       gzip -9n -c $(1) > $(1).gz
        mkimage -A mips -O linux -T kernel -a 0x80010000 -C gzip \
                -e $(call kernel_entry,$(KDIR)/vmlinux.debug) -n 'MIPS OpenWrt 
Linux-$(LINUX_VERSION)' \
                -d $(1).gz $(2)
-- 
2.1.4


_______________________________________________
Reproducible-builds mailing list
Reproducible-builds@lists.alioth.debian.org
http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/reproducible-builds

Reply via email to