CMake: Add a flag to control whether to built tint_unittests

Bug: dawn:605
Change-Id: I03860c263746939112e03544fbc3579631423c37
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/35282
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>

CMakeLists.txt

@@ -34,6 +34,7 @@ option(TINT_BUILD_MSL_WRITER "Build the MSL output writer" ON)
 option(TINT_BUILD_SPV_WRITER "Build the SPIR-V output writer" ON)
 option(TINT_BUILD_WGSL_WRITER "Build the WGSL output writer" ON)
 option(TINT_BUILD_FUZZERS "Build fuzzers" OFF)
+option(TINT_BUILD_TESTS "Build tests" ON)
 
 option(TINT_ENABLE_MSAN "Enable memory sanitizer" OFF)
 option(TINT_ENABLE_ASAN "Enable address sanitizer" OFF)
@@ -59,6 +60,7 @@ message(STATUS "Tint build MSL writer: ${TINT_BUILD_MSL_WRITER}")
 message(STATUS "Tint build SPIR-V writer: ${TINT_BUILD_SPV_WRITER}")
 message(STATUS "Tint build WGSL writer: ${TINT_BUILD_WGSL_WRITER}")
 message(STATUS "Tint build fuzzers: ${TINT_BUILD_FUZZERS}")
+message(STATUS "Tint build tests: ${TINT_BUILD_TESTS}")
 message(STATUS "Tint build with ASAN: ${TINT_ENABLE_ASAN}")
 message(STATUS "Tint build with MSAN: ${TINT_ENABLE_MSAN}")
 message(STATUS "Tint build with UBSAN: ${TINT_ENABLE_UBSAN}")

src/CMakeLists.txt

@@ -355,6 +355,33 @@ if(${TINT_BUILD_HLSL_WRITER})
   )
 endif()
 
+## Tint library
+add_library(libtint ${TINT_LIB_SRCS})
+tint_default_compile_options(libtint)
+if (${COMPILER_IS_LIKE_GNU})
+  target_compile_options(libtint PRIVATE -fvisibility=hidden)
+endif()
+set_target_properties(libtint PROPERTIES OUTPUT_NAME "tint")
+
+if(${TINT_BUILD_SPV_READER} OR ${TINT_BUILD_SPV_WRITER})
+  tint_spvtools_compile_options(libtint)
+  if (${TINT_BUILD_FUZZERS})
+    tint_spvtools_compile_options(libtint-fuzz)
+  endif()
+endif()
+
+if (${TINT_BUILD_FUZZERS})
+  # Tint library with fuzzer instrumentation
+  add_library(libtint-fuzz ${TINT_LIB_SRCS})
+  tint_default_compile_options(libtint-fuzz)
+  if (${COMPILER_IS_LIKE_GNU})
+    target_compile_options(libtint-fuzz PRIVATE -fvisibility=hidden)
+  endif()
+  target_compile_options(libtint-fuzz PUBLIC -fsanitize=fuzzer -fsanitize-coverage=trace-cmp)
+  target_link_options(libtint-fuzz PUBLIC -fsanitize=fuzzer -fsanitize-coverage=trace-cmp)
+endif()
+
+if(${TEST_BUILD_TESTS})
   set(TINT_TEST_SRCS
     ast/array_accessor_expression_test.cc
     ast/assignment_statement_test.cc
@@ -443,33 +470,6 @@ set(TINT_TEST_SRCS
     writer/float_to_string_test.cc
   )
 
-## Tint library
-add_library(libtint ${TINT_LIB_SRCS})
-tint_default_compile_options(libtint)
-if (${COMPILER_IS_LIKE_GNU})
-  target_compile_options(libtint PRIVATE -fvisibility=hidden)
-endif()
-
-if (${TINT_BUILD_FUZZERS})
-  # Tint library with fuzzer instrumentation
-  add_library(libtint-fuzz ${TINT_LIB_SRCS})
-  tint_default_compile_options(libtint-fuzz)
-  if (${COMPILER_IS_LIKE_GNU})
-    target_compile_options(libtint-fuzz PRIVATE -fvisibility=hidden)
-  endif()
-  target_compile_options(libtint-fuzz PUBLIC -fsanitize=fuzzer -fsanitize-coverage=trace-cmp)
-  target_link_options(libtint-fuzz PUBLIC -fsanitize=fuzzer -fsanitize-coverage=trace-cmp)
-endif()
-
-set_target_properties(libtint PROPERTIES OUTPUT_NAME "tint")
-
-if(${TINT_BUILD_SPV_READER} OR ${TINT_BUILD_SPV_WRITER})
-  tint_spvtools_compile_options(libtint)
-  if (${TINT_BUILD_FUZZERS})
-    tint_spvtools_compile_options(libtint-fuzz)
-  endif()
-endif()
-
   if(${TINT_BUILD_SPV_READER})
     list(APPEND TINT_TEST_SRCS
       reader/spirv/enum_converter_test.cc
@@ -741,3 +741,4 @@ if(${TINT_BUILD_SPV_READER} OR ${TINT_BUILD_SPV_WRITER})
   endif()
 
   add_test(NAME tint_unittests COMMAND tint_unittests)
+endif()

third_party/CMakeLists.txt

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-if (NOT TARGET gmock)
+if (${TINT_BUILD_TESTS} AND NOT TARGET gmock)
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/googletest EXCLUDE_FROM_ALL)
 endif()