108 lines
3.2 KiB
CMake
108 lines
3.2 KiB
CMake
project(lua C)
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set(LUA_VERSION_MAJOR 5)
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set(LUA_VERSION_MINOR 1)
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set(LUA_VERSION_PATCH 4)
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set(LUA_VERSION "${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}.${LUA_VERSION_PATCH}")
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set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
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set(COMMON_CFLAGS)
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set(COMMON_LDFLAGS)
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set(LIBS)
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if(APPLE)
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set(DEFAULT_POSIX TRUE)
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set(DEFAULT_DLOPEN OFF)
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set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_MACOSX")
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elseif(UNIX OR CYGWIN)
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set(DEFAULT_POSIX TRUE)
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elseif(WIN32)
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set(LUA_WIN TRUE)
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set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_BUILD_AS_DLL")
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else()
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set(DEFAULT_ANSI TRUE)
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endif()
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if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
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set(COMMON_LDFLAGS "${COMMON_LDFLAGS} -Wl,-E -lm")
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set(DEFAULT_DLOPEN ON)
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endif()
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option(LUA_USE_DLOPEN "Enable dlopen support." ${DEFAULT_DLOPEN})
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mark_as_advanced(LUA_USE_DLOPEN)
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option(LUA_ANSI "Disable non-ANSI features." ${DEFAULT_ANSI})
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mark_as_advanced(LUA_ANSI)
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if(LUA_USE_DLOPEN)
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set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_DLOPEN")
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if(NOT APPLE)
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set(COMMON_LDFLAGS "${COMMON_LDFLAGS} -ldl ")
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endif(NOT APPLE)
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endif(LUA_USE_DLOPEN)
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if(DEFAULT_POSIX)
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set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_POSIX")
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endif(DEFAULT_POSIX)
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if(LUA_ANSI)
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set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_ANSI")
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endif(LUA_ANSI)
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# COMMON_CFLAGS has no effect without this line
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_CFLAGS}")
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# Standard flags to use for each build type.
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if(CMAKE_COMPILER_IS_GNUCC)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pipe -Wall -Wextra -Wshadow -W -pedantic -std=gnu99")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g")
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set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_PROFILE} -O1 -g")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_WITHDEBINFO} -O2 -g")
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endif(CMAKE_COMPILER_IS_GNUCC)
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# check compatible compileer must be after project definition and set flags, assume if C++ is installed also CC is installed
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if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
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endif()
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if (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
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elseif (CMAKE_C_COMPILER_VERSION VERSION_EQUAL 4.6)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu1x")
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else()
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
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endif()
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message(STATUS "using gnu compiler")
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elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++1y")
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
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endif()
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if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 3.5)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
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endif()
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message(STATUS "using clang compiler")
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else()
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if (CMAKE_VERSION VERSION_GREATER 3.0)
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_CXX_STANDARD 11)
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else()
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if(APPLE)
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# Fix behavior of CMAKE_CXX_STANDARD when targeting macOS.
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if (POLICY CMP0025)
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cmake_policy(SET CMP0025 NEW)
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endif ()
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endif ()
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endif()
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message(STATUS "using default installed compiler")
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endif()
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add_subdirectory(src build)
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