Add a pkgconfig file for uninstalled builds
This allows systems certain types of build setups to work. Specifically, this
will help when building on Android and using json-c as a dependency for another
package.
diff --git a/json-uninstalled.pc.in b/json-uninstalled.pc.in
new file mode 100644
index 0000000..967f771
--- /dev/null
+++ b/json-uninstalled.pc.in
@@ -0,0 +1,11 @@
+prefix=
+exec_prefix=
+libdir=@abs_top_builddir@
+includedir=@abs_top_srcdir@
+
+Name: json
+Description: JSON implementation in C
+Version: @VERSION@
+Requires:
+Libs: -L@abs_top_builddir@ -ljson
+Cflags: -I@abs_top_srcdir@