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* Introduce a way to compile GCC builds with PDB style debug info (isolated into .dbg files). This will reduce the memory footprint considerably, among other benefits.

svn path=/trunk/; revision=55873
This commit is contained in:
Amine Khaldi 2012-02-25 23:50:38 +00:00
parent ec4df1d177
commit 512c21b125
2 changed files with 63 additions and 23 deletions
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5
reactos/boot/freeldr/freeldr/CMakeLists.txt
View file

@ -1,4 +1,9 @@
if(SEPARATE_DBG)
# FIXME: http://sourceware.org/bugzilla/show_bug.cgi?id=11822
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>")
endif()
spec2def(freeldr.sys freeldr.spec)
if(ARCH MATCHES i386)

81
reactos/cmake/gcc.cmake
View file

@ -4,12 +4,25 @@ if(CCACHE STREQUAL "ccache")
message("-- Enabling ccache build - done")
endif()
# PDB style debug info
if(NOT DEFINED SEPARATE_DBG)
set(SEPARATE_DBG FALSE)
endif()
if(SEPARATE_DBG)
file(MAKE_DIRECTORY ${REACTOS_BINARY_DIR}/symbols)
endif()
# Compiler Core
add_compile_flags("-pipe -fms-extensions")
# Debugging (Note: DWARF-4 on 4.5.1 when we ship)
# add_compile_flags("-gdwarf-2 -g2 -femit-struct-debug-detailed=none -feliminate-unused-debug-types")
add_compile_flags("-gstabs+")
# Debugging
if(SEPARATE_DBG)
add_compile_flags("-gdwarf-2 -g2")
else()
add_compile_flags("-gstabs+")
endif()
# Do not allow warnings
add_compile_flags("-Werror")
@ -91,30 +104,52 @@ else()
set(ARCH2 ${ARCH})
endif()
get_target_property(RSYM native-rsym IMPORTED_LOCATION_NOCONFIG)
set(CMAKE_C_LINK_EXECUTABLE
"<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_CXX_LINK_EXECUTABLE
"<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"${RSYM} <TARGET> <TARGET>")
if(SEPARATE_DBG)
# PDB style debug puts all dwarf debug info in a separate dbg file
set(OBJCOPY ${CMAKE_OBJCOPY})
set(CMAKE_C_LINK_EXECUTABLE
"<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
"${OBJCOPY} --strip-debug <TARGET>")
set(CMAKE_CXX_LINK_EXECUTABLE
"<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
"${OBJCOPY} --strip-debug <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>"
"${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
"${OBJCOPY} --strip-debug <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>"
"${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
"${OBJCOPY} --strip-debug <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>"
"${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
"${OBJCOPY} --strip-debug <TARGET>")
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>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_CXX_LINK_EXECUTABLE
"<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
"${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>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_CXX_CREATE_SHARED_LIBRARY
"<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"${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>"
"${RSYM} <TARGET> <TARGET>")
endif()
set(CMAKE_EXE_LINKER_FLAGS "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import,--disable-stdcall-fixup")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT} -Wl,--disable-stdcall-fixup")
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>"
"${RSYM} <TARGET> <TARGET>")
set(CMAKE_CXX_CREATE_SHARED_LIBRARY
"<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
"${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>"
"${RSYM} <TARGET> <TARGET>")
SET(CMAKE_C_COMPILE_OBJECT "${CCACHE} <CMAKE_C_COMPILER> <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
SET(CMAKE_CXX_COMPILE_OBJECT "${CCACHE} <CMAKE_CXX_COMPILER> <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -x assembler-with-cpp -o <OBJECT> -I${REACTOS_SOURCE_DIR}/include/asm -I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> -D__ASM__ -c <SOURCE>")