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https://gitee.com/xiaohuolufeihua/bizhang_-obav.git
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cmake use standard mechanisms for settings flags
This commit is contained in:
Daniel Agar
committed by
David Sidrane
David Sidrane
parent
11be2b8873
commit
3e0a3559a9
@@ -40,49 +40,27 @@ include(px4_base)
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# Set the default build flags.
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#
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# Usage:
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# px4_add_common_flags(
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# BOARD <in-string>
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# C_FLAGS <inout-variable>
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# CXX_FLAGS <inout-variable>
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# OPTIMIZATION_FLAGS <inout-variable>
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# EXE_LINKER_FLAGS <inout-variable>
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# INCLUDE_DIRS <inout-variable>
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# LINK_DIRS <inout-variable>
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# DEFINITIONS <inout-variable>)
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#
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# Input:
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# BOARD : board
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#
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# Input/Output: (appends to existing variable)
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# C_FLAGS : c compile flags variable
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# CXX_FLAGS : c++ compile flags variable
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# OPTIMIZATION_FLAGS : optimization compile flags variable
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# EXE_LINKER_FLAGS : executable linker flags variable
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# INCLUDE_DIRS : include directories
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# LINK_DIRS : link directories
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# DEFINITIONS : definitions
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#
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# Example:
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# px4_add_common_flags(
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# BOARD px4_fmu-v2
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# C_FLAGS CMAKE_C_FLAGS
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# CXX_FLAGS CMAKE_CXX_FLAGS
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# OPTIMIZATION_FLAGS optimization_flags
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# EXE_LINKER_FLAG CMAKE_EXE_LINKER_FLAGS
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# INCLUDES <list>)
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# px4_add_common_flags()
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#
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function(px4_add_common_flags)
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set(inout_vars
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C_FLAGS CXX_FLAGS OPTIMIZATION_FLAGS EXE_LINKER_FLAGS INCLUDE_DIRS LINK_DIRS DEFINITIONS)
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add_compile_options(
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-g # always build debug symbols
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px4_parse_function_args(
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NAME px4_add_common_flags
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ONE_VALUE ${inout_vars} BOARD
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REQUIRED ${inout_vars}
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ARGN ${ARGN})
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# optimization options
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-fdata-sections
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-ffunction-sections
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-fomit-frame-pointer
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-funsafe-math-optimizations
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set(warnings
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-fno-strict-aliasing
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-fno-math-errno
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# visibility
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-fvisibility=hidden
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-include visibility.h
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# Warnings
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-Wall
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-Wextra
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-Werror
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@@ -95,132 +73,95 @@ function(px4_add_common_flags)
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-Wformat-security
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-Winit-self
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-Wlogical-op
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-Wmissing-declarations
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-Wpointer-arith
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-Wshadow
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-Wuninitialized
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-Wunknown-pragmas
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-Wunused-variable
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# disabled warnings
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-Wno-implicit-fallthrough # set appropriate level and update
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-Wno-missing-field-initializers
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-Wno-missing-include-dirs # TODO: fix and enable
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-Wno-unused-parameter
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)
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if (${CMAKE_C_COMPILER_ID} MATCHES ".*Clang.*")
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# compiler specific flags
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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# force color for clang (needed for clang + ccache)
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add_compile_options(-fcolor-diagnostics)
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# QuRT 6.4.X compiler identifies as Clang but does not support this option
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if (NOT ${PX4_PLATFORM} STREQUAL "qurt")
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list(APPEND warnings
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if (NOT "${PX4_PLATFORM}" STREQUAL "qurt")
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add_compile_options(
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-Qunused-arguments
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-Wno-unused-const-variable
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-Wno-varargs
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-Wno-address-of-packed-member
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-Wno-unknown-warning-option
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-Wunused-but-set-variable
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-Wno-unused-const-variable
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-Wno-varargs
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)
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endif()
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else()
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list(APPEND warnings
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-Wunused-but-set-variable
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-Wformat=1
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)
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endif()
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set(_optimization_flags
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-fno-strict-aliasing
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-fomit-frame-pointer
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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-fno-math-errno
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-funsafe-math-optimizations
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if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.9)
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# force color for gcc > 4.9
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add_compile_options(-fdiagnostics-color=always)
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endif()
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-ffunction-sections
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-fdata-sections
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)
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set(c_warnings
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-Wbad-function-cast
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-Wstrict-prototypes
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-Wmissing-prototypes
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-Wnested-externs
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)
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set(c_compile_flags
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-g
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-std=gnu99
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-fno-common
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)
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set(cxx_warnings
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-Wno-overloaded-virtual # TODO: fix and remove
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-Wreorder
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)
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set(cxx_compile_flags
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-g
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-fno-exceptions
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-fno-rtti
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-std=gnu++11
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-fno-threadsafe-statics
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-DCONFIG_WCHAR_BUILTIN
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-D__CUSTOM_FILE_IO__
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)
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# regular Clang or AppleClang
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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# force color for clang (needed for clang + ccache)
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list(APPEND _optimization_flags
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-fcolor-diagnostics
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)
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else()
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list(APPEND _optimization_flags
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-fno-strength-reduce
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add_compile_options(
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-fno-builtin-printf
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-fno-strength-reduce
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-Wformat=1
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-Wunused-but-set-variable
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-Wno-format-truncation # TODO: fix
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)
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# -fcheck-new is a no-op for Clang in general
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# and has no effect, but can generate a compile
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# error for some OS
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list(APPEND cxx_compile_flags
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-fcheck-new
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)
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add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fcheck-new>)
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
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message(FATAL_ERROR "Intel compiler not yet supported")
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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message(FATAL_ERROR "MS compiler not yet supported")
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.9)
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# force color for gcc > 4.9
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list(APPEND _optimization_flags
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-fdiagnostics-color=always
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)
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endif()
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# C only flags
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set(c_flags)
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list(APPEND c_flags
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-fno-common
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list(APPEND cxx_warnings
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-Wno-format-truncation # TODO: fix
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)
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endif()
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-Wbad-function-cast
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-Wnested-externs
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-Wstrict-prototypes
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)
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foreach(flag ${c_flags})
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add_compile_options($<$<COMPILE_LANGUAGE:C>:${flag}>)
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endforeach()
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set(visibility_flags
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-fvisibility=hidden
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-include visibility.h
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)
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set(added_c_flags
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${c_compile_flags}
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${warnings}
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${c_warnings}
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${visibility_flags}
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)
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# CXX only flags
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set(cxx_flags)
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list(APPEND cxx_flags
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-fno-exceptions
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-fno-rtti
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-fno-threadsafe-statics
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set(added_cxx_flags
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${cxx_compile_flags}
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${warnings}
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${cxx_warnings}
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${visibility_flags}
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)
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-Wreorder
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# disabled warnings
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-Wno-overloaded-virtual # TODO: fix and remove
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)
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foreach(flag ${cxx_flags})
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add_compile_options($<$<COMPILE_LANGUAGE:CXX>:${flag}>)
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endforeach()
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set(added_optimization_flags
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${_optimization_flags}
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)
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include_directories(
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${PX4_BINARY_DIR}
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@@ -237,19 +178,10 @@ function(px4_add_common_flags)
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${PX4_SOURCE_DIR}/src/platforms
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)
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string(TOUPPER ${PX4_BOARD} board_upper)
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string(REPLACE "-" "_" board_config ${board_upper})
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add_definitions(
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-DCONFIG_ARCH_BOARD_${board_config}
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-DCONFIG_ARCH_BOARD_${PX4_BOARD_NAME}
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-D__CUSTOM_FILE_IO__
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-D__STDC_FORMAT_MACROS
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)
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# output
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foreach(var ${inout_vars})
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string(TOLOWER ${var} lower_var)
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set(${${var}} ${${${var}}} ${added_${lower_var}} PARENT_SCOPE)
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#message(STATUS "set(${${var}} ${${${var}}} ${added_${lower_var}} PARENT_SCOPE)")
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endforeach()
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endfunction()
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