Merge pull request #1613 from hexane360/cmake-fixes

CMake pre-compiled header and warning fixes
This commit is contained in:
Vojtech Kral 2019-01-09 18:20:23 +01:00 committed by GitHub
commit 5aec48418a
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 40 additions and 5 deletions

View file

@ -112,14 +112,17 @@ if (APPLE)
endif ()
if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
# Workaround for an old CMake, which does not understand CMAKE_CXX_STANDARD.
add_compile_options(-std=c++11 -Wall -Wno-reorder)
find_package(PkgConfig REQUIRED)
if (CMAKE_VERSION VERSION_LESS "3.1")
# Workaround for an old CMake, which does not understand CMAKE_CXX_STANDARD.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
endif()
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUXX)
# Adding -fext-numeric-literals to enable GCC extensions on definitions of quad float literals, which are required by Boost.
add_compile_options(-fext-numeric-literals)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fext-numeric-literals" )
if (SLIC3R_SYNTAXONLY)
set(CMAKE_CXX_ARCHIVE_CREATE "true")
@ -136,9 +139,15 @@ if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUXX)
endif()
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
add_compile_options(-Wall)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-reorder" )
# On GCC and Clang, no return from a non-void function is a warning only. Here, we make it an error.
add_compile_options(-Werror=return-type)
#removes LOTS of extraneous Eigen warnings
add_compile_options(-Wno-ignored-attributes)
if (SLIC3R_ASAN)
add_compile_options(-fsanitize=address -fno-omit-frame-pointer)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address")
@ -245,7 +254,7 @@ endif()
# Find eigen3 or use bundled version
if (NOT SLIC3R_STATIC)
find_package(Eigen3)
find_package(Eigen3 3)
endif ()
if (NOT Eigen3_FOUND)
set(Eigen3_FOUND 1)

View file

@ -68,11 +68,37 @@ function(export_all_flags _filename)
set(_compile_definitions "$<TARGET_PROPERTY:${_target},COMPILE_DEFINITIONS>")
set(_compile_flags "$<TARGET_PROPERTY:${_target},COMPILE_FLAGS>")
set(_compile_options "$<TARGET_PROPERTY:${_target},COMPILE_OPTIONS>")
#handle config-specific cxx flags
string(TOUPPER ${CMAKE_BUILD_TYPE} _config)
set(_build_cxx_flags ${CMAKE_CXX_FLAGS_${_config}})
#handle fpie option
get_target_property(_fpie ${_target} POSITION_INDEPENDENT_CODE)
if (_fpie AND CMAKE_POSITION_INDEPENDENT_CODE)
list(APPEND _compile_options ${CMAKE_CXX_COMPILE_OPTIONS_PIC})
endif()
#handle compiler standard (GCC only)
if(CMAKE_COMPILER_IS_GNUCXX)
get_target_property(_cxx_standard ${_target} CXX_STANDARD)
if ((NOT "${_cxx_standard}" STREQUAL NOTFOUND) AND (NOT "${_cxx_standard}" STREQUAL ""))
get_target_property(_cxx_extensions ${_target} CXX_EXTENSIONS)
get_property(_exists TARGET ${_target} PROPERTY CXX_EXTENSIONS SET)
if (NOT _exists OR ${_cxx_extensions})
list(APPEND _compile_options "-std=gnu++${_cxx_standard}")
else()
list(APPEND _compile_options "-std=c++${_cxx_standard}")
endif()
endif()
endif()
set(_include_directories "$<$<BOOL:${_include_directories}>:-I$<JOIN:${_include_directories},\n-I>\n>")
set(_compile_definitions "$<$<BOOL:${_compile_definitions}>:-D$<JOIN:${_compile_definitions},\n-D>\n>")
set(_compile_flags "$<$<BOOL:${_compile_flags}>:$<JOIN:${_compile_flags},\n>\n>")
set(_compile_options "$<$<BOOL:${_compile_options}>:$<JOIN:${_compile_options},\n>\n>")
file(GENERATE OUTPUT "${_filename}" CONTENT "${_compile_definitions}${_include_directories}${_compile_flags}${_compile_options}\n")
set(_cxx_flags "$<$<BOOL:${CMAKE_CXX_FLAGS}>:${CMAKE_CXX_FLAGS}\n>$<$<BOOL:${_build_cxx_flags}>:${_build_cxx_flags}\n>")
file(GENERATE OUTPUT "${_filename}" CONTENT "${_compile_definitions}${_include_directories}${_compile_flags}${_compile_options}${_cxx_flags}\n")
endfunction()
function(add_precompiled_header _target _input)