[llvm] r198198 - Port r198087 and r198089 (strip dead code by default) from make to cmake.
Nico Weber
nicolasweber at gmx.de
Sun Dec 29 19:36:05 PST 2013
Author: nico
Date: Sun Dec 29 21:36:05 2013
New Revision: 198198
URL: http://llvm.org/viewvc/llvm-project?rev=198198&view=rev
Log:
Port r198087 and r198089 (strip dead code by default) from make to cmake.
Modified:
llvm/trunk/cmake/modules/AddLLVM.cmake
llvm/trunk/tools/bugpoint/CMakeLists.txt
llvm/trunk/tools/llc/CMakeLists.txt
llvm/trunk/tools/opt/CMakeLists.txt
llvm/trunk/unittests/ExecutionEngine/JIT/CMakeLists.txt
Modified: llvm/trunk/cmake/modules/AddLLVM.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/AddLLVM.cmake?rev=198198&r1=198197&r2=198198&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/AddLLVM.cmake (original)
+++ llvm/trunk/cmake/modules/AddLLVM.cmake Sun Dec 29 21:36:05 2013
@@ -76,10 +76,30 @@ function(add_llvm_symbol_exports target_
add_dependencies(${target_name} ${target_name}_exports)
endfunction(add_llvm_symbol_exports)
+function(add_dead_strip target_name)
+ if(NOT CYGWIN AND NOT MINGW)
+ if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+ SET(CMAKE_CXX_FLAGS
+ "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections"
+ PARENT_SCOPE)
+ endif()
+ endif()
+ if(NOT LLVM_NO_DEAD_STRIP)
+ if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+ set_property(TARGET ${target_name} APPEND_STRING PROPERTY
+ LINK_FLAGS " -Wl,-dead_strip")
+ elseif(NOT WIN32)
+ set_property(TARGET ${target_name} APPEND_STRING PROPERTY
+ LINK_FLAGS " -Wl,--gc-sections")
+ endif()
+ endif()
+endfunction(add_dead_strip)
+
macro(add_llvm_library name)
llvm_process_sources( ALL_FILES ${ARGN} )
add_library( ${name} ${ALL_FILES} )
set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
+ add_dead_strip( ${name} )
if( LLVM_COMMON_DEPENDS )
add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
endif( LLVM_COMMON_DEPENDS )
@@ -137,6 +157,7 @@ ${name} ignored.")
add_library( ${name} ${libkind} ${ALL_FILES} )
set_target_properties( ${name} PROPERTIES PREFIX "" )
+ add_dead_strip( ${name} )
if (LLVM_EXPORTED_SYMBOL_FILE)
add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
@@ -173,6 +194,7 @@ macro(add_llvm_executable name)
else()
add_executable(${name} ${ALL_FILES})
endif()
+ add_dead_strip( ${name} )
if (LLVM_EXPORTED_SYMBOL_FILE)
add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
Modified: llvm/trunk/tools/bugpoint/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/bugpoint/CMakeLists.txt?rev=198198&r1=198197&r2=198198&view=diff
==============================================================================
--- llvm/trunk/tools/bugpoint/CMakeLists.txt (original)
+++ llvm/trunk/tools/bugpoint/CMakeLists.txt Sun Dec 29 21:36:05 2013
@@ -16,6 +16,9 @@ set(LLVM_LINK_COMPONENTS
Vectorize
)
+# Support plugins.
+set(LLVM_NO_DEAD_STRIP 1)
+
add_llvm_tool(bugpoint
BugDriver.cpp
CrashDebugger.cpp
Modified: llvm/trunk/tools/llc/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llc/CMakeLists.txt?rev=198198&r1=198197&r2=198198&view=diff
==============================================================================
--- llvm/trunk/tools/llc/CMakeLists.txt (original)
+++ llvm/trunk/tools/llc/CMakeLists.txt Sun Dec 29 21:36:05 2013
@@ -11,6 +11,9 @@ set(LLVM_LINK_COMPONENTS
Target
)
+# Support plugins.
+set(LLVM_NO_DEAD_STRIP 1)
+
add_llvm_tool(llc
llc.cpp
)
Modified: llvm/trunk/tools/opt/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/opt/CMakeLists.txt?rev=198198&r1=198197&r2=198198&view=diff
==============================================================================
--- llvm/trunk/tools/opt/CMakeLists.txt (original)
+++ llvm/trunk/tools/opt/CMakeLists.txt Sun Dec 29 21:36:05 2013
@@ -17,6 +17,9 @@ set(LLVM_LINK_COMPONENTS
Vectorize
)
+# Support plugins.
+set(LLVM_NO_DEAD_STRIP 1)
+
add_llvm_tool(opt
AnalysisWrappers.cpp
GraphPrinters.cpp
Modified: llvm/trunk/unittests/ExecutionEngine/JIT/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ExecutionEngine/JIT/CMakeLists.txt?rev=198198&r1=198197&r2=198198&view=diff
==============================================================================
--- llvm/trunk/unittests/ExecutionEngine/JIT/CMakeLists.txt (original)
+++ llvm/trunk/unittests/ExecutionEngine/JIT/CMakeLists.txt Sun Dec 29 21:36:05 2013
@@ -51,6 +51,9 @@ if(MSVC)
list(APPEND JITTestsSources JITTests.def)
endif()
+# The JIT tests need to dlopen things.
+set(LLVM_NO_DEAD_STRIP 1)
+
add_llvm_unittest(JITTests
${JITTestsSources}
)
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