protobuf-c: Add protobuf's pkgconfig path into PKG_CONFIG_PATH

Add the protobuf's pkgconfig path into PKG_CONFIG_PATH
so that pkg-config can find the protoc from sysroot in the configure process.
And don't conflict even if installing the protobuf in the localhost.

Signed-off-by: Jianchuan Wang <jianchuan.wang@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/recipes-containers/criu/protobuf-c_1.1.1.bb b/recipes-containers/criu/protobuf-c_1.1.1.bb
index 8c2d2b73..2800f12e 100644
--- a/recipes-containers/criu/protobuf-c_1.1.1.bb
+++ b/recipes-containers/criu/protobuf-c_1.1.1.bb
@@ -19,6 +19,10 @@ inherit autotools
 
 BBCLASSEXTEND = "native nativesdk"
 
+do_configure_prepend_class-target() {
+    export PKG_CONFIG_PATH="${STAGING_LIBDIR_NATIVE}/pkgconfig:${PKG_CONFIG_PATH}"
+}
+
 do_install_append_class-native() {
     install -m 755 ${B}/t/generated-code2/cxx-generate-packed-data ${D}/${bindir}
 }