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/CMakeLists.txt?rev=55873&r1=55872&r2=55873&view=diff
==============================================================================
--- 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&r1=55872&r2=55873&view=diff
==============================================================================
--- 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>")
