Forward the OpenWrt TARGET_LDFLAGS to the linker of the fw_printenv tool.
In addition also use the more standard make invocation script.
With this change the fw_printenv tool is built with PIE and Full RELRO
support when activated globally in OpenWrt.
Signed-off-by: Hauke Mehrtens <hauke.mehrtens@intel.com>
(cherry picked from commit b7b2be0b26)
Several changes has been made:
+ AES support has been removed by
upstream commit c6831c7 (2017-11-14)
[remove patch "200-fw_env_no_aes.patch"]
+ Support for UBI volumes has beed added by
upstream commit 34255b9 (2017-11-15)
[remove patch "300-support-env-in-ubivol-chardev.patch"]
+ A command line argument has beed added ("-c") to manually indicate
the location of the environment configuration file
Also, patch "400-u-boot-2015.10-stdint.patch" is no longer
necessary, and the config option to enable UBI support has
been removed.
Size comparisons:
fw_printenv size:
Target Before After
ar71xx 15,189 bytes 18,133 bytes (+2,944 bytes)
ipq40xx 20,873 bytes 20,987 bytes (+114 bytes)
mvebu 20,881 bytes 20,991 bytes (+110 bytes)
ramips 15,128 bytes 18,072 bytes (+2,944 bytes)
OPKG package size:
Target Before After
ar71xx 11,309 bytes 12,875 bytes (+1,566 bytes)
ipq40xx 11,772 bytes 13,299 bytes (+1,527 bytes)
mvebu 11,609 bytes 13,114 bytes (+1,505 bytes)
ramips 10,975 bytes 12,503 bytes (+1,528 bytes)
Compile tested: ipq40xx (musl, glibc, gcc5-musl), ar71xx, mvebu, ramips
Run tested: ipq40xx (ASUS RT-AC58U)
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
Hauke Mehrtens
Luis Araneda
Luka Perkov