summaryrefslogtreecommitdiff
path: root/Modules/Platform/AIX-XL.cmake
diff options
context:
space:
mode:
Diffstat (limited to 'Modules/Platform/AIX-XL.cmake')
-rw-r--r--Modules/Platform/AIX-XL.cmake12
1 files changed, 11 insertions, 1 deletions
diff --git a/Modules/Platform/AIX-XL.cmake b/Modules/Platform/AIX-XL.cmake
index 64b0bc196..2a67c4fed 100644
--- a/Modules/Platform/AIX-XL.cmake
+++ b/Modules/Platform/AIX-XL.cmake
@@ -18,14 +18,24 @@ macro(__aix_compiler_xl lang)
set(CMAKE_${lang}_LINK_FLAGS "-Wl,-bnoipath")
+ set(_OBJECTS " <OBJECTS>")
+ if(DEFINED CMAKE_XL_CreateExportList AND CMAKE_XL_CreateExportList STREQUAL "")
+ # Prior to CMake 3.16, CMAKE_XL_CreateExportList held the path to the XL CreateExportList tool.
+ # Users could set it to an empty value to skip automatic exports in favor of manual -bE: flags.
+ # Preserve that behavior for compatibility (even though it was undocumented).
+ set(_OBJECTS "")
+ endif()
+
# Construct the export list ourselves to pass only the object files so
# that we export only the symbols actually provided by the sources.
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
- "\"${CMAKE_ROOT}/Modules/Platform/AIX/ExportImportList\" -o <OBJECT_DIR>/objects.exp <OBJECTS>"
+ "\"${CMAKE_ROOT}/Modules/Platform/AIX/ExportImportList\" -o <OBJECT_DIR>/objects.exp${_OBJECTS}"
"<CMAKE_${lang}_COMPILER> <CMAKE_SHARED_LIBRARY_${lang}_FLAGS> -Wl,-bE:<OBJECT_DIR>/objects.exp <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
)
set(CMAKE_${lang}_LINK_EXECUTABLE_WITH_EXPORTS
"\"${CMAKE_ROOT}/Modules/Platform/AIX/ExportImportList\" -o <TARGET_IMPLIB> -l . <OBJECTS>"
"<CMAKE_${lang}_COMPILER> <FLAGS> <CMAKE_${lang}_LINK_FLAGS> -Wl,-bE:<TARGET_IMPLIB> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
+
+ unset(_OBJECTS)
endmacro()