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qemu: fix qemu-native pkg-config paths 

For qemu-native, the pkg-config paths do not
include build host paths.
This is an issue for libsdl for example, where SDL is
used by qemu, but for qemu-native libsdl-native is not
built, but assumed to be provided by the build host.
Because pkg-config do not search for libsdl config files
on the build host sysroot, the configure stage of qemu-native
will fail because it will not find SDL as being installed.
Usually, the isssue is masked by a functional sdl-config that
will be interogated instead of pkg-config. However, on Build
Appliance, sdl-config is deliberately made non-functional,
so the issue manifests itself.

The fix will create an extended PKG_CONFIG_PATH, which does
include the build host sysroot paths for pkg-config.

Fix for [YOCTO #6495].

(From OE-Core rev: 68a5ed337f8f7ee8e5bf55542ec82d786eb754db)

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Cristian Iorga 2014-07-03 15:57:32 +03:00 committed by Richard Purdie
parent 5aec84dc65
commit fbe129100b
1 changed files with 4 additions and 0 deletions
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4
meta/recipes-devtools/qemu/qemu.inc
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@ -33,6 +33,10 @@ EXTRA_OECONF_class-nativesdk = "--target-list=${@get_qemu_target_list(d)} --disa
export LIBTOOL="${HOST_SYS}-libtool"
do_configure_prepend_class-native() {
# Append build host pkg-config paths for native target since the host may provide sdl
BHOST_PKGCONFIG_PATH=$(PATH=/usr/bin:/bin pkg-config --variable pc_path pkg-config)
export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:$BHOST_PKGCONFIG_PATH
# Undo the -lX11 added by linker-flags.patch, don't assume that host has libX11 installed
sed -i 's/-lX11//g' Makefile.target
}