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[CMAKE]

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Allow to build with link-time code generation.

svn path=/trunk/; revision=56109
This commit is contained in:
Dmitry Gorbachev 2012-03-10 23:38:37 +00:00
parent 296381e730
commit 3c846b4124
6 changed files with 27 additions and 5 deletions
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3
reactos/cmake/config-amd64.cmake
View file

@ -15,6 +15,9 @@ set (OPTIMIZE "1" CACHE STRING
4 = -O2
5 = -O3")
set(LTCG FALSE CACHE BOOL
"Whether to build with link-time code generation")
set(DBG TRUE CACHE BOOL
"Whether to compile for debugging.")

3
reactos/cmake/config-arm.cmake
View file

@ -16,6 +16,9 @@ set (OPTIMIZE "1" CACHE STRING
4 = -O2
5 = -O3")
set(LTCG FALSE CACHE BOOL
"Whether to build with link-time code generation")
set(DBG TRUE CACHE BOOL
"Whether to compile for debugging.")

3
reactos/cmake/config.cmake
View file

@ -21,6 +21,9 @@ set(OPTIMIZE "1" CACHE STRING
4 = -O2
5 = -O3")
set(LTCG FALSE CACHE BOOL
"Whether to build with link-time code generation")
set(GDB FALSE CACHE BOOL
"Whether to compile for debugging with GDB.
If you don't use GDB, don't enable this.")

15
reactos/cmake/gcc.cmake
View file

@ -77,6 +77,11 @@ elseif(OPTIMIZE STREQUAL "5")
add_compile_flags("-O3")
endif()
# Link-time code generation
if(LTCG)
add_compile_flags("-flto -Wno-error=clobbered")
endif()
add_compile_flags("-fno-strict-aliasing")
if(ARCH MATCHES i386)
@ -139,19 +144,19 @@ else()
# Normal rsym build
get_target_property(RSYM native-rsym IMPORTED_LOCATION_NOCONFIG)
set(CMAKE_C_LINK_EXECUTABLE
"<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_CXX_LINK_EXECUTABLE
"<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_C_CREATE_SHARED_LIBRARY
"<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_CXX_CREATE_SHARED_LIBRARY
"<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_RC_CREATE_SHARED_LIBRARY
"<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"${RSYM} <TARGET> <TARGET>")
endif()

3
reactos/lib/sdk/crt/msvcrtex.cmake
View file

@ -3,6 +3,9 @@ include_directories(include/internal/mingw-w64)
if(NOT MSVC)
add_compile_flags("-Wno-main")
if(LTCG)
add_compile_flags("-fno-lto")
endif()
endif()
list(APPEND MSVCRTEX_SOURCE

5
reactos/ntoskrnl/CMakeLists.txt
View file

@ -438,6 +438,11 @@ else()
set_image_base(ntoskrnl 0x80800000)
endif()
# Linker bug
if(NOT MSVC AND LTCG)
add_target_link_flags(ntoskrnl "-shared")
endif()
target_link_libraries(ntoskrnl
cportlib
csq