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Jo-Philipp Wich 6de7406d54 pkgconf: always retain -I and -L flags 
The pkgconf fork filters -I and -L flag values from .pc files which match
pkgconf's builtin system directory value.

During configure, pkgconf derives the default system include and library
search path values from exec_prefix, which is set to staging_dir/host in
the host tool build phase.

Due to that, pkgconf will drop all -I and -L flags pointing to
staging_dir/host/include or staging_dir/host/lib, unless invoked with
--keep-system-cflags and --keep-system-libs respectively, breaking our
kernel libelf discovery / stack validation workarounds.

In order to inhibit the filtering, add --keep-system-cflags and
--keep-system-libs to our pkg-config shell wrapper.

Fixes: GH#2832
Fixes: 867298cf47 ("tools/pkg-config: Replace with pkgconf")
Ref: https://lists.infradead.org/pipermail/openwrt-devel/2020-March/022182.html
Ref: https://git.openwrt.org/fe43969336201f2cc7d103b68fd6e65989bee184
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Acked-by: Petr Štetiar <ynezz@true.cz>
 		2020-03-15 20:32:10 +01:00
..
autoconf treewide: clean up download hashes 2016-12-16 22:39:22 +01:00
automake tools/automake: Revert "Do not use $(V) - force AM_V=1" 2019-11-06 00:21:15 +01:00
b43-tools tools/b43-tools/b43-fwsquash: convert to Python 3 with 2-to-3 2019-07-26 08:09:16 +02:00
bc Revert "bc: update to 1.07.1" 2019-05-22 21:27:44 +02:00
bison tools/bison: Update to 3.5.1 2020-02-19 22:02:47 +01:00
cbootimage tools: add cbootimage for tegra 2019-04-06 14:48:46 +02:00
cbootimage-configs tools: add cbootimage-configs for tegra 2019-04-06 14:48:46 +02:00
ccache ccache: update to 3.7.7 2020-01-16 18:59:42 +01:00
cmake tools/cmake: Update to 3.16.5 2020-03-12 21:31:17 +01:00
coreutils tools/coreutils: install "touch" 2019-09-25 10:19:24 +02:00
dosfstools add PKG_CPE_ID ids to package and tools 2017-11-17 02:24:35 +01:00
e2fsprogs tools/e2fsprogs: Update to 1.45.5 2020-02-18 21:48:49 +01:00
elftosb treewide: clean up download hashes 2016-12-16 22:39:22 +01:00
expat tools/expat: change package source to GitHub 2019-11-24 23:17:34 +01:00
findutils tools: findutils: fix compilation with glibc 2.28 2018-08-10 06:29:49 +02:00
firmware-utils mkrasimage: fix segmentation fault 2020-03-01 21:36:00 +01:00
flex flex: Add a lex symlink 2018-11-25 19:23:03 +01:00
flock tools: flock: add NFSv4 compatibility 2016-08-11 10:50:10 +02:00
genext2fs treewide: clean up download hashes 2016-12-16 22:39:22 +01:00
gengetopt tools/gengetopt: Update to 2.23 2019-07-08 16:42:26 +02:00
gmp tools/gmp: Remove obsolete options 2020-02-18 21:39:23 +01:00
include build: fix kernel 5.4 on macos 2020-03-14 13:20:06 +00:00
isl tools/isl: update to 0.20 2019-02-26 23:20:04 +01:00
kernel2minor tools: kernel2minor: update to latest version 2018-07-12 18:15:33 +02:00
libelf tools: libelf: fix headers to trigger -Wundef warnings 2019-09-03 10:44:21 +02:00
libressl tools/libressl: Update to 3.0.2 2020-02-18 21:38:51 +01:00
libtool add PKG_CPE_ID ids to package and tools 2017-11-17 02:24:35 +01:00
lzma treewide: clean up download hashes 2016-12-16 22:39:22 +01:00
lzma-old tools/zlib: move zlib build to tools 2018-04-28 15:28:59 +02:00
m4 tools: m4: fix compilation with glibc 2.28 2018-08-10 06:29:32 +02:00
make-ext4fs make_ext4fs: Update to version 2020-01-05 2020-01-05 20:04:37 +01:00
missing-macros tools: remove a bunch of unused automake macros 2015-03-17 10:11:00 +00:00
mkimage tools/mkimage: Update U-Boot to version 2019.07 2019-09-04 22:35:22 +02:00
mklibs tools/mklibs: update to 0.1.44 and convert to Python 3 2019-07-26 23:50:21 +02:00
mm-macros tools/mm-macros: Update to 0.9.12 2018-05-05 07:13:48 +02:00
mpc tools/mpc: Update to 1.1.0 2018-01-18 08:04:18 +01:00
mpfr tools/mpfr: Update to 4.0.2 2019-02-10 20:51:09 +01:00
mtd-utils tools/mtd-utils: update to 2.1.1 2019-08-27 10:32:44 +02:00
mtools tools/mtools: Update to 4.0.23 2018-12-24 17:05:57 +01:00
padjffs2 tools: padjffs2: add option to output padding data to stdout 2016-07-11 13:26:33 +02:00
patch tools/patch: apply upstream patch for cve-2019-13638 2019-08-13 10:00:10 +02:00
patch-image tools: patch-image: fix file descriptor leak. 2017-02-15 07:45:24 +01:00
patchelf tools/patchelf: Update to 0.10 2020-02-18 21:39:03 +01:00
pkgconf pkgconf: always retain -I and -L flags 2020-03-15 20:32:10 +01:00
qemu tools: qemu: Add patches to support adapter_type and monolithicFlat 2019-12-23 00:22:06 +01:00
quilt tools/quilt: update to 0.66 2019-11-24 21:35:45 +01:00
sdimage tools/sdimage: Fix build with host Linux headers < 3.18 2018-12-16 14:03:35 +01:00
sed tools/sed: Update to 4.8 2020-02-18 21:39:14 +01:00
sparse sparse: updated to version 0.5.2 2018-06-08 09:56:26 +02:00
squashfs add PKG_CPE_ID ids to package and tools 2017-11-17 02:24:35 +01:00
squashfskit4 tools/squashfskit: fix version detection on non-linux system 2019-03-03 19:45:10 +01:00
sstrip tools/sstrip: Fix compile under standard linux. 2017-12-08 10:40:20 +01:00
tar tools: tar: update to version 1.32 2019-03-10 21:36:28 +01:00
upslug2 upslug2: Update to git repository 2019-09-03 11:56:47 +02:00
wrt350nv2-builder wrt350nv2-builder: Fix memory leak 2020-01-14 17:48:50 +01:00
xz tools/xz: Compile with PIC to fix linking errors 2019-04-06 19:14:06 +02:00
zip tools: zip: add option for reproducible archives 2019-01-15 19:11:53 +01:00
zlib tools: zlib: do not hardcode the install prefix in zlib.pc 2018-05-24 17:07:10 +02:00
Makefile build: fix kernel 5.4 on macos 2020-03-14 13:20:06 +00:00