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[CMake] Support single target builtins build on Darwin

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This change allows cross-compiling compiler-rt builtins for
multiple targets as part of runtimes on Darwin. This functionality
is already supported on other platforms.

Differential Revision: https://reviews.llvm.org/D30957

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298678 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Petr Hosek 2017-03-24 02:21:11 +00:00
parent 39c17c7b89
commit 85005dd1d4
1 changed files with 14 additions and 1 deletions
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15
runtimes/CMakeLists.txt
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@ -61,6 +61,10 @@ if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
# This variable makes sure that e.g. llvm-lit is found.
set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR})
if(APPLE)
set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
endif()
# Handle common options used by all runtimes.
include(AddLLVM)
include(HandleLLVMOptions)
@ -153,7 +157,7 @@ else() # if this is included from LLVM's CMake
# is required because the other runtimes need the builtin libraries present
# before the just-built compiler can pass the configuration tests.
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt)
if(APPLE OR NOT LLVM_BUILTIN_TARGETS)
if(NOT LLVM_BUILTIN_TARGETS)
llvm_ExternalProject_Add(builtins
${CMAKE_CURRENT_SOURCE_DIR}/compiler-rt/lib/builtins
CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR}
@ -167,6 +171,14 @@ else() # if this is included from LLVM's CMake
get_cmake_property(variableNames VARIABLES)
add_custom_target(builtins)
foreach(target ${LLVM_BUILTIN_TARGETS})
string(REPLACE "-" ";" builtin_target_list ${target})
foreach(item ${builtin_target_list})
string(TOLOWER "${item}" item_lower)
if(item_lower MATCHES "darwin")
message(FATAL_ERROR "LLVM_BUILTIN_TARGETS isn't implemented for Darwin platform!")
endif()
endforeach()
foreach(variableName ${variableNames})
if(variableName MATCHES "^BUILTINS_${target}")
string(REPLACE "BUILTINS_${target}_" "" new_name ${variableName})
@ -183,6 +195,7 @@ else() # if this is included from LLVM's CMake
-DCMAKE_ASM_COMPILER_WORKS=On
-DCOMPILER_RT_DEFAULT_TARGET_ONLY=On
${${target}_extra_args}
TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib
PASSTHROUGH_PREFIXES COMPILER_RT
USE_TOOLCHAIN
${EXTRA_ARGS})