From faf2926f27e0b215234882339339a3e306e70cf4 Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Mon, 25 Jul 2011 00:36:57 -0500
Subject: [PATCH] main: add pkg-config compat stubs

---
 main.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/main.c b/main.c
index 1af5197..d456661 100644
--- a/main.c
+++ b/main.c
@@ -25,11 +25,16 @@
 
 #include "pkg.h"
 
+/* we are compatible with 0.26 of pkg-config */
+#define PKGCONFIG_VERSION_EQUIV		"0.26"
+
 static int want_version = 0;
 static int want_cflags = 0;
 static int want_libs = 0;
 static int want_modversion = 0;
 
+static char *required_pkgconfig_version = NULL;
+
 static void
 print_cflags(pkg_t *pkg, void *unused)
 {
@@ -125,10 +130,13 @@ main(int argc, const char *argv[])
 
 	struct poptOption options[] = {
 		{ "version", 0, POPT_ARG_NONE, &want_version, 0, "output pkgconf version" },
+		{ "atleast-pkgconfig-version", 0, POPT_ARG_STRING, &required_pkgconfig_version, 0, "require compatibility level with specified version of pkg-config" },
 		{ "libs", 0, POPT_ARG_NONE, &want_libs, 0, "output all linker flags" },
 		{ "cflags", 0, POPT_ARG_NONE, &want_cflags, 0, "output all compiler flags" },
 		{ "modversion", 0, POPT_ARG_NONE, &want_modversion, 0, "output package version" },
 		{ "exists", 0, POPT_ARG_NONE, NULL, 0, "return 0 if all packages present" },
+		{ "print-errors", 0, POPT_ARG_NONE, NULL, 0, "dummy option for pkg-config compatibility" },
+		{ "short-errors", 0, POPT_ARG_NONE, NULL, 0, "dummy option for pkg-config compatibility" },
 		POPT_AUTOHELP
 		{ NULL, 0, 0, NULL, 0 }
 	};
@@ -149,6 +157,11 @@ main(int argc, const char *argv[])
 		return EXIT_SUCCESS;
 	}
 
+	if (required_pkgconfig_version != NULL)
+	{
+		return 0;
+	}
+
 	while (1)
 	{
 		const char *package = poptGetArg(opt_context);