diff options
| -rw-r--r-- | build_files/cmake/platform/platform_apple_xcode.cmake | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/build_files/cmake/platform/platform_apple_xcode.cmake b/build_files/cmake/platform/platform_apple_xcode.cmake index e42928328f3..6371bd9b288 100644 --- a/build_files/cmake/platform/platform_apple_xcode.cmake +++ b/build_files/cmake/platform/platform_apple_xcode.cmake @@ -68,10 +68,26 @@ if(${CMAKE_GENERATOR} MATCHES "Xcode") set(CMAKE_XCODE_ATTRIBUTE_GCC_VERSION "com.apple.compilers.llvmgcc42") message(STATUS "Setting compiler to: " ${CMAKE_XCODE_ATTRIBUTE_GCC_VERSION}) endif() -else() # unix makefile generator does not fill XCODE_VERSION var, so we get it with a command +else() + # Unix makefile generator does not fill XCODE_VERSION var, so we get it with a command. + # Note that `xcodebuild -version` gives output in two lines: first line will include + # Xcode version, second one will include build number. We are only interested in the + # former one. Here is an example of the output: + # Xcode 11.4 + # Build version 11E146 + # The expected XCODE_VERSION in this case is 11.4. + execute_process(COMMAND xcodebuild -version OUTPUT_VARIABLE XCODE_VERS_BUILD_NR) - string(SUBSTRING "${XCODE_VERS_BUILD_NR}" 6 3 XCODE_VERSION) # truncate away build-nr + + # Convert output to a single line by replacling newlines with spaces. + # This is needed because regex replace can not operate through the newline character + # and applies substitutions for each individual lines. + string(REPLACE "\n" " " XCODE_VERS_BUILD_NR_SINGLE_LINE "${XCODE_VERS_BUILD_NR}") + + string(REGEX REPLACE "(.*)Xcode ([0-9\\.]+).*" "\\2" XCODE_VERSION "${XCODE_VERS_BUILD_NR_SINGLE_LINE}") + unset(XCODE_VERS_BUILD_NR) + unset(XCODE_VERS_BUILD_NR_SINGLE_LINE) endif() message(STATUS "Detected OS X ${OSX_SYSTEM} and Xcode ${XCODE_VERSION} at ${XCODE_BUNDLE}") |