pkg-config: add usr/share/pkgconfig to search path as well

A few packages (like xlib_xtrans) install their .pc files here, and
upstream pkg-config defaults to searching both /usr/lib/pkgconfig and
/usr/share/pkgconfig, so add it as well.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/Makefile.in

@@ -241,7 +241,7 @@ HOST_CONFIGURE_OPTS=PATH=$(HOST_PATH) \
 		PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
 		PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 		PKG_CONFIG_SYSROOT_DIR="/" \
-		PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig" \
+		PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig:$(HOST_DIR)/usr/share/pkgconfig" \
 		PERLLIB="$(HOST_DIR)/usr/lib/perl" \
 		LD_LIBRARY_PATH="$(HOST_DIR)/usr/lib:$(LD_LIBRARY_PATH)"
 

package/pkg-config/pkg-config.mk

@@ -12,7 +12,7 @@ PKG_CONFIG_DEPENDENCIES = libglib2
 PKG_CONFIG_CONF_OPT = --with-installed-glib
 
 HOST_PKG_CONFIG_CONF_OPT = \
-		--with-pc-path="$(STAGING_DIR)/usr/lib/pkgconfig" \
+		--with-pc-path="$(STAGING_DIR)/usr/lib/pkgconfig:$(STAGING_DIR)/usr/share/pkgconfig" \
 		--with-sysroot="$(STAGING_DIR)" \
 		--disable-static