GH-39023: [C++][CMake] Add missing launcher path conversion for Exter…

…nalPackage (#45349) ### Rationale for this change We need to convert it on Windows. ### What changes are included in this PR? Convert it to CMake path. ### Are these changes tested? Yes. ### Are there any user-facing changes? Yes. * GitHub Issue: #39023 Authored-by: Sutou Kouhei <[email protected]> Signed-off-by: Sutou Kouhei <[email protected]>
apache · Jan 25, 2025 · 2c90daf · 2c90daf
1 parent c6b6bfb
commit 2c90daf
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/cpp/cmake_modules/ThirdpartyToolchain.cmake b/cpp/cmake_modules/ThirdpartyToolchain.cmake
@@ -988,9 +988,11 @@ endif()
 
 # Enable s/ccache if set by parent.
 if(CMAKE_C_COMPILER_LAUNCHER AND CMAKE_CXX_COMPILER_LAUNCHER)
+  file(TO_CMAKE_PATH "${CMAKE_C_COMPILER_LAUNCHER}" EP_CMAKE_C_COMPILER_LAUNCHER)
+  file(TO_CMAKE_PATH "${CMAKE_CXX_COMPILER_LAUNCHER}" EP_CMAKE_CXX_COMPILER_LAUNCHER)
   list(APPEND EP_COMMON_CMAKE_ARGS
-       -DCMAKE_C_COMPILER_LAUNCHER=${CMAKE_C_COMPILER_LAUNCHER}
-       -DCMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER})
+       -DCMAKE_C_COMPILER_LAUNCHER=${EP_CMAKE_C_COMPILER_LAUNCHER}
+       -DCMAKE_CXX_COMPILER_LAUNCHER=${EP_CMAKE_CXX_COMPILER_LAUNCHER})
 endif()
 
 if(NOT ARROW_VERBOSE_THIRDPARTY_BUILD)