libpkgconf: add support for proposed Requires.internal extension

NEWS

@@ -1,6 +1,14 @@
 Changes from previous version of pkgconf
 ========================================
 
+Changes from 1.4.2 to 1.5.0:
+---------------------------
+
+* Enhancements:
+  - pkgconf now supports the proposed Requires.internal pkg-config extension,
+    by merging it with the Requires.private list (there is no functional difference
+    between the two in our resolver implementation)
+
 Changes from 1.4.1 to 1.4.2:
 ----------------------------
 

libpkgconf/pkg.c

@@ -182,6 +182,7 @@ static const pkgconf_pkg_parser_keyword_pair_t pkgconf_pkg_parser_keyword_funcs[
 	{"Name", pkgconf_pkg_parser_tuple_func, offsetof(pkgconf_pkg_t, realname)},
 	{"Provides", pkgconf_pkg_parser_dependency_func, offsetof(pkgconf_pkg_t, provides)},
 	{"Requires", pkgconf_pkg_parser_dependency_func, offsetof(pkgconf_pkg_t, required)},
+	{"Requires.internal", pkgconf_pkg_parser_dependency_func, offsetof(pkgconf_pkg_t, requires_private)},
 	{"Requires.private", pkgconf_pkg_parser_dependency_func, offsetof(pkgconf_pkg_t, requires_private)},
 	{"Version", pkgconf_pkg_parser_tuple_func, offsetof(pkgconf_pkg_t, version)},
 };

tests/requires.sh

@@ -11,7 +11,9 @@ tests_init \
 	static_cflags \
 	private_duplication \
 	libs_static2 \
-	missing
+	missing \
+	requires_internal \
+	requires_internal_missing
 
 libs_body()
 {
@@ -86,3 +88,19 @@ missing_body()
 		-o inline:"\n" \
 		pkgconf --cflags missing-require
 }
+
+requires_internal_body()
+{
+	atf_check \
+		-o inline:"-lbar -lbar-private -L/test/lib -lfoo \n" \
+		pkgconf --with-path="${selfdir}/lib1" --static --libs requires-internal
+}
+
+requires_internal_missing_body()
+{
+	atf_check \
+		-s exit:1 \
+		-e ignore \
+		-o ignore \
+		pkgconf --with-path="${selfdir}/lib1" --static --libs requires-internal-missing
+}