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[CMake] Let llvm_add_library(MODULE) check capability of loadable module.

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On unsupported platforms, llvm_add_library(MODULE) doesn't create any targets.
Caller may be responsible to check and add extra target properties.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201320 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2014-02-13 11:25:17 +00:00
parent 069bd29ec4
commit 621c80f4d7
1 changed files with 10 additions and 6 deletions

16
cmake/modules/AddLLVM.cmake

@ -163,9 +163,12 @@ function(set_output_directory target bindir libdir)
endfunction()
# llvm_add_library(name sources...
# MODULE;SHARED;STATIC
# SHARED;STATIC
# STATIC by default w/o BUILD_SHARED_LIBS.
# SHARED by default w/ BUILD_SHARED_LIBS.
# MODULE
# Target ${name} might not be created on unsupported platforms.
# Check with "if(TARGET ${name})".
# OUTPUT_NAME name
# Corresponds to OUTPUT_NAME in target properties.
# DEPENDS targets...
@ -194,6 +197,10 @@ function(llvm_add_library name)
if(ARG_SHARED OR ARG_STATIC)
message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
endif()
if(NOT LLVM_ON_UNIX OR CYGWIN)
message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
return()
endif()
else()
if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
set(ARG_SHARED TRUE)
@ -281,14 +288,11 @@ macro(add_llvm_library name)
endmacro(add_llvm_library name)
macro(add_llvm_loadable_module name)
if( NOT LLVM_ON_UNIX OR CYGWIN )
message(STATUS "Loadable modules not supported on this platform.
${name} ignored.")
llvm_add_library(${name} MODULE ${ARGN})
if(NOT TARGET ${name})
# Add empty "phony" target
add_custom_target(${name})
else()
llvm_add_library(${name} MODULE ${ARGN})
if( EXCLUDE_FROM_ALL )
set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
else()