diff options
Diffstat (limited to 'share/cmake-3.10/Modules/Compiler/XL.cmake')
-rw-r--r-- | share/cmake-3.10/Modules/Compiler/XL.cmake | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/share/cmake-3.10/Modules/Compiler/XL.cmake b/share/cmake-3.10/Modules/Compiler/XL.cmake new file mode 100644 index 0000000..4783785 --- /dev/null +++ b/share/cmake-3.10/Modules/Compiler/XL.cmake @@ -0,0 +1,46 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + + +# This module is shared by multiple languages; use include blocker. +if(__COMPILER_XL) + return() +endif() +set(__COMPILER_XL 1) + +include(Compiler/CMakeCommonCompilerMacros) + +# Find the CreateExportList program that comes with this toolchain. +find_program(CMAKE_XL_CreateExportList + NAMES CreateExportList + DOC "IBM XL CreateExportList tool" + ) + +macro(__compiler_xl lang) + # Feature flags. + set(CMAKE_${lang}_VERBOSE_FLAG "-V") + set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-qpic") + + string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g") + string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -O") + string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -O") + string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -g") + set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>") + set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>") + + # CMAKE_XL_CreateExportList is part of the AIX XL compilers but not the linux ones. + # If we found the tool, we'll use it to create exports, otherwise stick with the regular + # create shared library compile line. + if (CMAKE_XL_CreateExportList) + # The compiler front-end passes all object files, archive files, and shared + # library files named on the command line to CreateExportList to create a + # list of all symbols to be exported from the shared library. This causes + # all archive members to be copied into the shared library whether they are + # needed or not. Instead we run the tool ourselves to pass only the object + # files so that we export only the symbols actually provided by the sources. + set(CMAKE_${lang}_CREATE_SHARED_LIBRARY + "${CMAKE_XL_CreateExportList} <OBJECT_DIR>/objects.exp <OBJECTS>" + "<CMAKE_${lang}_COMPILER> <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> -Wl,-bE:<OBJECT_DIR>/objects.exp <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>" + ) + endif() +endmacro() |