tests: add a test for --static ordering bug reported to freedesktop pkg-config that was actually in pkgconf

This was fixed a long time ago, but for completeness sake.

(https://bugs.freedesktop.org/show_bug.cgi?id=85085)

tests/basic.sh

@@ -28,6 +28,7 @@ tests_init \
 	libs_circular2 \
 	libs_circular_directpc \
 	libs_static \
+	libs_static_ordering \
 	pkg_config_path \
 	nolibs \
 	nocflags \
@@ -235,6 +236,14 @@ libs_static_body()
 		pkgconf --libs static-archive-libs
 }
 
+libs_static_ordering_body()
+{
+	export PKG_CONFIG_PATH="${selfdir}/lib1"
+	atf_check \
+		-o inline:"-L/test/lib -lbar -lfoo  \n" \
+		pkgconf --libs foo bar
+}
+
 pkg_config_path_body()
 {
 	export PKG_CONFIG_PATH="${selfdir}/lib1${PATH_SEP}${selfdir}/lib2"