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* pkgconf: always retain -I and -L flagsJo-Philipp Wich2020-03-151-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | 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>
* tools/pkgconf: Run pkg-config wrapper through shellcheckRosen Penev2020-03-011-1/+4
| | | | | | | | Mainly quoting fixes. Separated parameters by \ for easier readability. Signed-off-by: Rosen Penev <rosenp@gmail.com>
* tools/pkg-config: Replace with pkgconfRosen Penev2020-03-013-0/+72
pkgconf is a newer, actively maintained implementation of pkg-config that supports more aspects of the pkg-config file specification and provides a library interface that applications can use to incorporate intelligent handling of pkg-config files into themselves (such as build file generators, IDEs, and compilers). Through its pkg-config compatibility interface (activated when it is run as "pkg-config"), it also can completely replace the original implementation. It is also lighterweight and does not require glib2, as pkg-config does. On other distros, pkgconf is symlinked to pkg-config. For simplicity here, it is renamed to pkg-config.real, as in the original package. Initial results have been positive. As before, pkgconf works as long as the pkg-config files point to the proper paths. Signed-off-by: Rosen Penev <rosenp@gmail.com> [backported upstream fix for Meson] Signed-off-by: Petr Štetiar <ynezz@true.cz>