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kernel: export native PKGCONFIG variables

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In a similar manner to cml1.bbclass, we export the pkg-config
variables to allow a direct call to pkg-config access to the
native sysroot versus the target sysroot.

The kernel doesn't use pkg-config for target configuration,
and has many explicit calls to pkg-config, without the
possibility of easy override to pkg-config-native.

The calls to pkg-config could be made cross friendly via
replacement with make variables, but until that effort is
undertaken upstream, we need a bridge approach.

In particular, this is required for dtschema validation,
which is a requirement in kernel 5.16+

(From OE-Core rev: 9172d61c57e23682c3d2c25701cbd53c84d01a27)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2021-11-22 23:22:55 -05:00
committed by Richard Purdie
parent 4f3a8ee65b
commit ace63e94e3
1 changed files with 7 additions and 0 deletions
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7
meta/classes/kernel.bbclass
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@@ -326,6 +326,13 @@ KERNEL_DEBUG_TIMESTAMPS ??= "0"
kernel_do_compile() {
unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
# setup native pkg-config variables (kconfig scripts call pkg-config directly, cannot generically be overriden to pkg-config-native)
export PKG_CONFIG_DIR="${STAGING_DIR_NATIVE}${libdir_native}/pkgconfig"
export PKG_CONFIG_PATH="$PKG_CONFIG_DIR:${STAGING_DATADIR_NATIVE}/pkgconfig"
export PKG_CONFIG_LIBDIR="$PKG_CONFIG_DIR"
export PKG_CONFIG_SYSROOT_DIR=""
if [ "${KERNEL_DEBUG_TIMESTAMPS}" != "1" ]; then
# kernel sources do not use do_unpack, so SOURCE_DATE_EPOCH may not
# be set....