From b03f4ec09d5d680f63b88aa93b80a741c1dd12ab Mon Sep 17 00:00:00 2001 From: Brad King Date: Fri, 6 Aug 2010 09:34:53 -0400 Subject: No response files with GNU ld <= 2.16 (#10913) Older GNU ld does not support the @FILE syntax for response files. Check the ld version on MinGW and MSYS before enabling the syntax. --- Modules/Platform/Windows-GNU.cmake | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/Modules/Platform/Windows-GNU.cmake b/Modules/Platform/Windows-GNU.cmake index af03841..8299d70 100644 --- a/Modules/Platform/Windows-GNU.cmake +++ b/Modules/Platform/Windows-GNU.cmake @@ -49,6 +49,13 @@ set(CMAKE_CREATE_WIN32_EXE "-mwindows") set(CMAKE_GNULD_IMAGE_VERSION "-Wl,--major-image-version,,--minor-image-version,") +# Check if GNU ld is too old to support @FILE syntax. +set(__WINDOWS_GNU_LD_RESPONSE 1) +execute_process(COMMAND ld -v OUTPUT_VARIABLE _help ERROR_VARIABLE _help) +if("${_help}" MATCHES "GNU ld .* 2\\.1[1-6]") + set(__WINDOWS_GNU_LD_RESPONSE 0) +endif() + macro(__windows_compiler_gnu lang) if(MSYS OR MINGW) @@ -68,7 +75,7 @@ macro(__windows_compiler_gnu lang) endif() set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "") # No -fPIC on Windows - set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_OBJECTS 1) + set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_OBJECTS ${__WINDOWS_GNU_LD_RESPONSE}) set(CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG "-Wl,@") # Binary link rules. -- cgit v0.12