From 5bd86be83b47d0f30c59b09ef2bea1f73f36bbce Mon Sep 17 00:00:00 2001
From: Amine Khaldi <amine.khaldi@reactos.org>
Date: Mon, 25 Jul 2011 19:05:00 +0000
Subject: [PATCH] [CMAKE] * Introduce a temporary cmake variable (PCH) to
enable/disable cmake pch support as this requires our patched binary. * Wrap
pch macros around this variable. * Implement the pch marco accordingly. By
Jerome.
svn path=/trunk/; revision=52865
---
reactos/cmake/gcc.cmake | 91 ++++++++++++++++++++++++++---------------
1 file changed, 58 insertions(+), 33 deletions(-)
diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index 0acdcb04981..b4caa09ceb0 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -285,44 +285,69 @@ endmacro()
set(PSEH_LIB "pseh")
# Macros
-macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
- # Add the precompiled header to the build
- get_filename_component(_FILE ${_header_filename} NAME)
- set(_gch_filename "${_FILE}.gch")
- list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
+if(PCH)
+ macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
+ # Add the precompiled header to the build
+ get_filename_component(_FILE ${_header_filename} NAME)
+ set(_gch_filename "${_FILE}.gch")
+ list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
- # This gets us our includes
- get_directory_property(DIRINC INCLUDE_DIRECTORIES)
- foreach(item ${DIRINC})
- list(APPEND ${_out_compile_flags} -I${item})
- endforeach()
-
- # This our definitions
- get_directory_property(_compiler_flags DEFINITIONS)
- list(APPEND ${_out_compile_flags} ${_compiler_flags})
-
- # This gets any specific definitions that were added with set-target-property
- get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
- if (_target_defs)
- foreach(item ${_target_defs})
- list(APPEND ${_out_compile_flags} -D${item})
+ # This gets us our includes
+ get_directory_property(DIRINC INCLUDE_DIRECTORIES)
+ foreach(item ${DIRINC})
+ list(APPEND ${_out_compile_flags} -I${item})
endforeach()
- endif()
- separate_arguments(${_out_compile_flags})
-endmacro()
+ # This our definitions
+ get_directory_property(_compiler_flags DEFINITIONS)
+ list(APPEND ${_out_compile_flags} ${_compiler_flags})
-macro(add_pch _target_name _FILE)
- #set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
- #get_filename_component(_basename ${_FILE} NAME)
- #set(_gch_filename ${_basename}.gch)
- #_PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
+ # This gets any specific definitions that were added with set-target-property
+ get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
+ if (_target_defs)
+ foreach(item ${_target_defs})
+ list(APPEND ${_out_compile_flags} -D${item})
+ endforeach()
+ endif()
- #add_custom_command(OUTPUT ${_gch_filename} COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1} ${_args} DEPENDS ${_header_filename})
- #get_target_property(_src_files ${_target_name} SOURCES)
- #set_source_files_properties(${_src_files} PROPERTIES COMPILE_FLAGS "-Winvalid-pch -fpch-preprocess" #OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
- #add_linkerflag(${_target_name} "${_gch_filename}")
-endmacro()
+ if(IS_CPP)
+ list(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
+ else()
+ list(APPEND ${_out_compile_flags} ${CMAKE_C_FLAGS})
+ endif()
+
+ separate_arguments(${_out_compile_flags})
+ endmacro()
+
+ macro(add_pch _target_name _FILE)
+ set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
+ get_filename_component(_basename ${_FILE} NAME)
+ set(_gch_filename ${_basename}.gch)
+ _PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
+
+ if(IS_CPP)
+ set(__lang CXX)
+ set(__compiler ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1})
+ else()
+ set(__lang C)
+ set(__compiler ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
+ endif()
+
+ add_custom_command(OUTPUT ${_gch_filename} COMMAND ${__compiler} ${_args} IMPLICIT_DEPENDS ${__lang} ${_header_filename})
+ get_target_property(_src_files ${_target_name} SOURCES)
+ foreach(_item in ${_src_files})
+ get_source_file_property(__src_lang ${_item} LANGUAGE)
+ if(__src_lang STREQUAL __lang)
+ set_source_files_properties(${_item} PROPERTIES COMPILE_FLAGS "-fpch-preprocess" OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
+ endif()
+ endforeach()
+ #set dependency checking : depends on precompiled header only whixh already depends on deeper header
+ set_target_properties(${_target_name} PROPERTIES IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "\"${_basename}\"=;<${_basename}>=")
+ endmacro()
+else()
+ macro(add_pch _target_name _FILE)
+ endmacro()
+endif()
macro(CreateBootSectorTarget _target_name _asm_file _object_file _base_address)
get_filename_component(OBJECT_PATH ${_object_file} PATH)