cmake: add BUILD_TESTING option (ON by default) (#1839)

option provided by cmake's Module CTest
enable_testing() is call by this Module

1 files changed, 41 insertions, 39 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b0c0911..8e6bdd9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -149,45 +149,47 @@ if(platform_supports_ninja_browse)
 	)
 endif()
 
-# Tests all build into ninja_test executable.
-add_executable(ninja_test
-	src/build_log_test.cc
-	src/build_test.cc
-	src/clean_test.cc
-	src/clparser_test.cc
-	src/depfile_parser_test.cc
-	src/deps_log_test.cc
-	src/disk_interface_test.cc
-	src/dyndep_parser_test.cc
-	src/edit_distance_test.cc
-	src/graph_test.cc
-	src/lexer_test.cc
-	src/manifest_parser_test.cc
-	src/ninja_test.cc
-	src/state_test.cc
-	src/string_piece_util_test.cc
-	src/subprocess_test.cc
-	src/test.cc
-	src/util_test.cc
-)
-if(WIN32)
-	target_sources(ninja_test PRIVATE src/includes_normalize_test.cc src/msvc_helper_test.cc)
+include(CTest)
+if(BUILD_TESTING)
+  # Tests all build into ninja_test executable.
+  add_executable(ninja_test
+    src/build_log_test.cc
+    src/build_test.cc
+    src/clean_test.cc
+    src/clparser_test.cc
+    src/depfile_parser_test.cc
+    src/deps_log_test.cc
+    src/disk_interface_test.cc
+    src/dyndep_parser_test.cc
+    src/edit_distance_test.cc
+    src/graph_test.cc
+    src/lexer_test.cc
+    src/manifest_parser_test.cc
+    src/ninja_test.cc
+    src/state_test.cc
+    src/string_piece_util_test.cc
+    src/subprocess_test.cc
+    src/test.cc
+    src/util_test.cc
+  )
+  if(WIN32)
+    target_sources(ninja_test PRIVATE src/includes_normalize_test.cc src/msvc_helper_test.cc)
+  endif()
+  target_link_libraries(ninja_test PRIVATE libninja libninja-re2c)
+
+  foreach(perftest
+    build_log_perftest
+    canon_perftest
+    clparser_perftest
+    depfile_parser_perftest
+    hash_collision_bench
+    manifest_parser_perftest
+  )
+    add_executable(${perftest} src/${perftest}.cc)
+    target_link_libraries(${perftest} PRIVATE libninja libninja-re2c)
+  endforeach()
+
+  add_test(NinjaTest ninja_test)
 endif()
-target_link_libraries(ninja_test PRIVATE libninja libninja-re2c)
-
-foreach(perftest
-  build_log_perftest
-  canon_perftest
-  clparser_perftest
-  depfile_parser_perftest
-  hash_collision_bench
-  manifest_parser_perftest
-)
-  add_executable(${perftest} src/${perftest}.cc)
-  target_link_libraries(${perftest} PRIVATE libninja libninja-re2c)
-endforeach()
-
-enable_testing()
-add_test(NinjaTest ninja_test)
 
 install(TARGETS ninja DESTINATION bin)