diff options
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/Platform/Windows-GNU-Fortran.cmake | 1 | ||||
| -rw-r--r-- | Modules/Platform/Windows-GNU.cmake | 35 |
2 files changed, 34 insertions, 2 deletions
diff --git a/Modules/Platform/Windows-GNU-Fortran.cmake b/Modules/Platform/Windows-GNU-Fortran.cmake index 8273a199f4..c66feedbb3 100644 --- a/Modules/Platform/Windows-GNU-Fortran.cmake +++ b/Modules/Platform/Windows-GNU-Fortran.cmake @@ -1,3 +1,2 @@ include(Platform/Windows-GNU) __windows_compiler_gnu(Fortran) -set(CMAKE_Fortran_USE_RESPONSE_FILE_FOR_OBJECTS 0) diff --git a/Modules/Platform/Windows-GNU.cmake b/Modules/Platform/Windows-GNU.cmake index 79b2f806d7..ac635a50e8 100644 --- a/Modules/Platform/Windows-GNU.cmake +++ b/Modules/Platform/Windows-GNU.cmake @@ -76,7 +76,23 @@ macro(__windows_compiler_gnu lang) set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "") # No -fPIC on Windows set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_OBJECTS ${__WINDOWS_GNU_LD_RESPONSE}) - set(CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG "-Wl,@") + + # We prefer "@" for response files but it is not supported by gcc 3. + execute_process(COMMAND ${CMAKE_${lang}_COMPILER} --version OUTPUT_VARIABLE _ver ERROR_VARIABLE _ver) + if("${_ver}" MATCHES "\\(GCC\\) 3\\.") + if("${lang}" STREQUAL "Fortran") + # The GNU Fortran compiler reports an error: + # no input files; unwilling to write output files + # when the response file is passed with "-Wl,@". + set(CMAKE_Fortran_USE_RESPONSE_FILE_FOR_OBJECTS 0) + else() + # Use "-Wl,@" to pass the response file to the linker. + set(CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG "-Wl,@") + endif() + elseif(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_OBJECTS) + # Use "@" to pass the response file to the front-end. + set(CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG "@") + endif() # Binary link rules. set(CMAKE_${lang}_CREATE_SHARED_MODULE @@ -85,4 +101,21 @@ macro(__windows_compiler_gnu lang) "<CMAKE_${lang}_COMPILER> <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> ${CMAKE_GNULD_IMAGE_VERSION} <OBJECTS> <LINK_LIBRARIES>") set(CMAKE_${lang}_LINK_EXECUTABLE "<CMAKE_${lang}_COMPILER> <FLAGS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -Wl,--out-implib,<TARGET_IMPLIB> ${CMAKE_GNULD_IMAGE_VERSION} <LINK_LIBRARIES>") + + # Support very long lists of object files. + if("${CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG}" STREQUAL "@") + foreach(rule CREATE_SHARED_MODULE CREATE_SHARED_LIBRARY LINK_EXECUTABLE) + # The gcc/collect2/ld toolchain does not use response files + # internally so we cannot pass long object lists. Instead pass + # the object file list in a response file to the archiver to put + # them in a temporary archive. Hand the archive to the linker. + string(REPLACE "<OBJECTS>" "-Wl,--whole-archive <OBJECT_DIR>/objects.a -Wl,--no-whole-archive" + CMAKE_${lang}_${rule} "${CMAKE_${lang}_${rule}}") + set(CMAKE_${lang}_${rule} + "<CMAKE_COMMAND> -E remove -f <OBJECT_DIR>/objects.a" + "<CMAKE_AR> cr <OBJECT_DIR>/objects.a <OBJECTS>" + "${CMAKE_${lang}_${rule}}" + ) + endforeach() + endif() endmacro() |