CMake: Install pkgconfig file in proper location by default

The default location for pkconfig files on most systems is:
  ${CMAKE_INSTALL_LIBDIR}/pkgconfig

Thus the file should get installed in there by default.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1b36f1ca6d424c500a622f385e8ca458e2b2ea1f..60f529a88a4f78ccd2a731b58daf0cfbbfc6e0ba 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -423,7 +423,7 @@ if (UNIX OR MINGW OR CYGWIN)
     SET(includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR})
     SET(VERSION ${PROJECT_VERSION})
     configure_file(json-c.pc.in json-c.pc @ONLY)
-    set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
+    set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
     install(FILES ${PROJECT_BINARY_DIR}/json-c.pc DESTINATION "${INSTALL_PKGCONFIG_DIR}")
 endif ()