tests: add test for issue #370

Signed-off-by: Ariadne Conill <ariadne@ariadne.space>

tests/requires.sh

@@ -7,6 +7,7 @@ tests_init \
 	libs_cflags \
 	libs_static \
 	libs_static_pure \
+	cflags_libs_private \
 	argv_parse2 \
 	static_cflags \
 	private_duplication \
@@ -162,3 +163,14 @@ orphaned_requires_private_body()
 		-o ignore \
 		pkgconf --with-path="${selfdir}/lib1" --cflags --libs orphaned-requires-private
 }
+
+cflags_libs_private_body()
+{
+	atf_check \
+		-o inline:"\n" \
+		pkgconf --with-path="${selfdir}/lib1" --libs cflags-libs-private-a
+
+	atf_check \
+		-o inline:"-lc\n" \
+		pkgconf --with-path="${selfdir}/lib1" --static --libs cflags-libs-private-a
+}