Add support for pkgconfig

googletest/CMakeLists.txt

@@ -44,7 +44,12 @@ endif()
 # as ${gtest_SOURCE_DIR} and to the root binary directory as
 # ${gtest_BINARY_DIR}.
 # Language "C" is required for find_package(Threads).
-project(gtest CXX C)
+if (CMAKE_VERSION VERSION_LESS 3.0)
+  project(gtest CXX C)
+else()
+  cmake_policy(SET CMP0048 NEW)
+  project(gtest VERSION 1.9.0 LANGUAGES CXX C)
+endif()
 cmake_minimum_required(VERSION 2.6.4)
 
 if (COMMAND set_up_hermetic_build)
@@ -109,6 +114,18 @@ if(INSTALL_GTEST)
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
   install(DIRECTORY ${gtest_SOURCE_DIR}/include/gtest
     DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+
+  # configure and install pkgconfig files
+  configure_file(
+    cmake/gtest.pc.in
+    "${CMAKE_BINARY_DIR}/gtest.pc"
+    @ONLY)
+  configure_file(
+    cmake/gtest_main.pc.in
+    "${CMAKE_BINARY_DIR}/gtest_main.pc"
+    @ONLY)
+  install(FILES "${CMAKE_BINARY_DIR}/gtest.pc" "${CMAKE_BINARY_DIR}/gtest_main.pc"
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 endif()
 
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