kou commented on a change in pull request #12605:
URL: https://github.com/apache/arrow/pull/12605#discussion_r825298738
##########
File path: cpp/cmake_modules/ThirdpartyToolchain.cmake
##########
@@ -1844,10 +1844,14 @@ macro(build_gtest)
set(GTEST_VENDORED TRUE)
set(GTEST_CMAKE_CXX_FLAGS ${EP_CXX_FLAGS})
- if(CMAKE_BUILD_TYPE MATCHES DEBUG)
- set(CMAKE_GTEST_DEBUG_EXTENSION "d")
+ if(NOT CMAKE_GENERATOR STREQUAL Xcode)
Review comment:
How about using `GENERATOR_IS_MULTI_CONFIG`
https://cmake.org/cmake/help/latest/prop_gbl/GENERATOR_IS_MULTI_CONFIG.html ?
We already use it:
https://github.com/apache/arrow/blob/master/cpp/cmake_modules/ThirdpartyToolchain.cmake#L1941
##########
File path: cpp/cmake_modules/ThirdpartyToolchain.cmake
##########
@@ -1844,10 +1844,14 @@ macro(build_gtest)
set(GTEST_VENDORED TRUE)
set(GTEST_CMAKE_CXX_FLAGS ${EP_CXX_FLAGS})
- if(CMAKE_BUILD_TYPE MATCHES DEBUG)
- set(CMAKE_GTEST_DEBUG_EXTENSION "d")
+ if(NOT CMAKE_GENERATOR STREQUAL Xcode)
+ if(CMAKE_BUILD_TYPE MATCHES DEBUG)
+ set(CMAKE_GTEST_DEBUG_EXTENSION "d")
+ else()
+ set(CMAKE_GTEST_DEBUG_EXTENSION "")
+ endif()
else()
- set(CMAKE_GTEST_DEBUG_EXTENSION "")
+ set(CMAKE_GTEST_DEBUG_EXTENSION "d")
Review comment:
How about using generator expression
https://cmake.org/cmake/help/latest/manual/cmake-generator-expressions.7.html ?
We can use generator expression in `ExternalProject_Add`'s arguments:
https://cmake.org/cmake/help/latest/module/ExternalProject.html
```diff
diff --git a/cpp/cmake_modules/ThirdpartyToolchain.cmake
b/cpp/cmake_modules/ThirdpartyToolchain.cmake
index ff48ac7ee5..44cab1d6b1 100644
--- a/cpp/cmake_modules/ThirdpartyToolchain.cmake
+++ b/cpp/cmake_modules/ThirdpartyToolchain.cmake
@@ -1849,11 +1849,7 @@ macro(build_gtest)
set(GTEST_VENDORED TRUE)
set(GTEST_CMAKE_CXX_FLAGS ${EP_CXX_FLAGS})
- if(CMAKE_BUILD_TYPE MATCHES DEBUG)
- set(CMAKE_GTEST_DEBUG_EXTENSION "d")
- else()
- set(CMAKE_GTEST_DEBUG_EXTENSION "")
- endif()
+ set(CMAKE_GTEST_DEBUG_EXTENSION "$<$<CONFIG:Debug>,d>")
if(APPLE)
set(GTEST_CMAKE_CXX_FLAGS ${GTEST_CMAKE_CXX_FLAGS}
-DGTEST_USE_OWN_TR1_TUPLE=1
@@ -1894,9 +1890,9 @@ macro(build_gtest)
set(GTEST_CMAKE_ARGS
${EP_COMMON_TOOLCHAIN}
-DBUILD_SHARED_LIBS=ON
- -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+ -DCMAKE_BUILD_TYPE=$<CONFIG>
-DCMAKE_CXX_FLAGS=${GTEST_CMAKE_CXX_FLAGS}
- -DCMAKE_CXX_FLAGS_${UPPERCASE_BUILD_TYPE}=${GTEST_CMAKE_CXX_FLAGS}
+ -DCMAKE_CXX_FLAGS_$<UPPER_CASE:$<CONFIG>>=${GTEST_CMAKE_CXX_FLAGS}
-DCMAKE_INSTALL_LIBDIR=lib
-DCMAKE_INSTALL_NAME_DIR=${GTEST_INSTALL_NAME_DIR}
-DCMAKE_INSTALL_PREFIX=${GTEST_PREFIX}
```
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