Prevent GTest and GMock from being installed with Google Benchmark.

When users satisfy the GTest dependancy by placing a googletest directory in the project, the targets from GTest and GMock incorrectly get installed along side this library. We shouldn't be installing our test dependancies. This patch forces the options that control installation for googletest to OFF.

Prevent GTest and GMock from being installed with Google Benchmark.
778b85a7 · Eric Fiselier · 052421c8 · 778b85a7
Commit 778b85a7 authored Jan 05, 2018 by Eric Fiselier
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HandleGTest.cmake cmake/HandleGTest.cmake +2 -0

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--- a/cmake/HandleGTest.cmake
+++ b/cmake/HandleGTest.cmake
@@ -67,6 +67,8 @@ endmacro(build_external_gtest)

 if (BENCHMARK_ENABLE_GTEST_TESTS)
  if (IS_DIRECTORY ${CMAKE_SOURCE_DIR}/googletest)
+    set(INSTALL_GTEST OFF CACHE INTERNAL "")
+    set(INSTALL_GMOCK OFF CACHE INTERNAL "")
    add_subdirectory(${CMAKE_SOURCE_DIR}/googletest)
    set(GTEST_BOTH_LIBRARIES gtest gtest_main)
  elseif(BENCHMARK_DOWNLOAD_DEPENDENCIES)