Add an option to enable building with -fvisibility=hidden.

When this option is set gtest itself is built with -fvisibility=hidden with gcc and clang. This replicates MSVC's default behaviour with gcc and clang.

Add an option to enable building with -fvisibility=hidden.
580378d5 · Dominic Meiser · bb5c92f9 · 580378d5
Commit 580378d5 authored Oct 05, 2015 by Dominic Meiser
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CMakeLists.txt googletest/CMakeLists.txt +10 -0

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--- a/googletest/CMakeLists.txt
+++ b/googletest/CMakeLists.txt
@@ -22,6 +22,11 @@ option(gtest_build_samples "Build gtest's sample programs." OFF)

 option(gtest_disable_pthreads "Disable uses of pthreads in gtest." OFF)

+option(
+  gtest_hide_internal_symbols
+  "Build gtest with internal symbols hidden in shared libraries."
+  OFF)
+
 # Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().
 include(cmake/hermetic_build.cmake OPTIONAL)

@@ -46,6 +51,11 @@ if (COMMAND set_up_hermetic_build)
  set_up_hermetic_build()
 endif()

+if (gtest_hide_internal_symbols)
+  set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+  set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
+endif()
+
 # Define helper functions and macros used by Google Test.
 include(cmake/internal_utils.cmake)