[akhaldi] 55873: [CMAKE] * 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.
Author: akhaldi Date: Sat Feb 25 23:50:38 2012 New Revision: 55873
URL: http://svn.reactos.org/svn/reactos?rev=55873&view=rev Log: [CMAKE] * 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.
Modified: trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt trunk/reactos/cmake/gcc.cmake
Modified: trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt URL: http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/CMakeL... ============================================================================== --- trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt [iso-8859-1] (original) +++ trunk/reactos/boot/freeldr/freeldr/CMakeLists.txt [iso-8859-1] Sat Feb 25 23:50:38 2012 @@ -1,3 +1,8 @@ + +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)
Modified: trunk/reactos/cmake/gcc.cmake URL: http://svn.reactos.org/svn/reactos/trunk/reactos/cmake/gcc.cmake?rev=55873&a... ============================================================================== --- trunk/reactos/cmake/gcc.cmake [iso-8859-1] (original) +++ trunk/reactos/cmake/gcc.cmake [iso-8859-1] Sat Feb 25 23:50:38 2012 @@ -4,12 +4,25 @@ 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") @@ -91,29 +104,51 @@ 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>")
-
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