From 387f1daf0f9cd25ffa2654cc536e5678dd96a571 Mon Sep 17 00:00:00 2001
From: Andreas Sturmlechner <asturm@gentoo.org>
Date: Mon, 15 Nov 2021 19:13:37 +0100
Subject: [PATCH] Add BUILD_TESTING option

Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
---
 cpp/CMakeLists.txt       | 13 +++++++++++--
 tools/cpp/CMakeLists.txt | 17 +++++++++--------
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 44db6834..f8e40978 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -32,7 +32,9 @@ endif ()
 # depends on.
 
 include (GNUInstallDirs)
-include (../tools/cpp/gtest.cmake)
+if (BUILD_TESTING)
+  include (../tools/cpp/gtest.cmake)
+endif()
 
 function (print_error DESCRIPTION FILE)
   message (FATAL_ERROR
@@ -90,6 +92,7 @@ option ("USE_STD_MAP" "Force the use of std::map" "OFF")
 option ("BUILD_STATIC_LIB" "Build static libraries" "ON")
 option ("USE_STDMUTEX" "Use C++ 2011 std::mutex for multi-threading" "OFF")
 option ("USE_POSIX_THREAD" "Use Posix api for multi-threading" "OFF")
+option ("BUILD_TESTING" "Build unit tests (gtest sources are needed)" "ON")
 
 if (${USE_ALTERNATE_FORMATS} STREQUAL "ON")
   add_definitions ("-DI18N_PHONENUMBERS_USE_ALTERNATE_FORMATS")
@@ -121,7 +124,9 @@ if (${USE_BOOST} STREQUAL "OFF" AND ${USE_STDMUTEX} STREQUAL "OFF")
   find_package (Threads)
 endif()
 
-find_or_build_gtest ()
+if (BUILD_TESTING)
+  find_or_build_gtest ()
+endif()
 
 if (${USE_RE2} STREQUAL "ON")
   find_required_library (RE2 re2/re2.h re2 "Google RE2")
@@ -492,11 +497,13 @@ if (${BUILD_GEOCODER} STREQUAL "ON")
 endif ()
 
 # Build a specific library for testing purposes.
+if (BUILD_TESTING)
 add_library (phonenumber_testing STATIC ${TESTING_LIBRARY_SOURCES})
 if (${BUILD_GEOCODER} STREQUAL "ON")
   add_dependencies (phonenumber_testing generate_geocoding_data)
 endif ()
 target_link_libraries (phonenumber_testing ${LIBRARY_DEPS})
+endif()
 
 if (${BUILD_GEOCODER} STREQUAL "ON")
   # Test geocoding data cpp files generation.
@@ -551,6 +558,7 @@ if (${USE_ICU_REGEXP} STREQUAL "ON")
 endif ()
 
 # Build the testing binary.
+if (BUILD_TESTING)
 include_directories ("test")
 add_executable (libphonenumber_test ${TEST_SOURCES})
 set (TEST_LIBS phonenumber_testing ${GTEST_LIB})
@@ -575,6 +583,7 @@ else ()
     DEPENDS libphonenumber_test
   )
 endif ()
+endif ()
 
 # Install rules.
 install (FILES
diff --git a/tools/cpp/CMakeLists.txt b/tools/cpp/CMakeLists.txt
index fafa8469..0c3a84e0 100644
--- a/tools/cpp/CMakeLists.txt
+++ b/tools/cpp/CMakeLists.txt
@@ -20,11 +20,10 @@ project (generate_geocoding_data)
 
 # Helper functions dealing with finding libraries and programs this library
 # depends on.
-
-include (gtest.cmake)
-
-find_or_build_gtest ()
-
+if (BUILD_TESTING)
+  include (gtest.cmake)
+  find_or_build_gtest ()
+endif ()
 set (
   SOURCES
   "src/cpp-build/generate_geocoding_data.cc"
@@ -52,6 +51,8 @@ if (NOT WIN32)
 endif ()
 
 # Build the testing binary.
-include_directories ("test")
-add_executable (generate_geocoding_data_test ${TEST_SOURCES})
-target_link_libraries (generate_geocoding_data_test ${TEST_LIBS})
+if (BUILD_TESTING)
+  include_directories ("test")
+  add_executable (generate_geocoding_data_test ${TEST_SOURCES})
+  target_link_libraries (generate_geocoding_data_test ${TEST_LIBS})
+endif ()
-- 
2.33.1