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#
# Lua 5.1.x
#
cmake_minimum_required(VERSION 2.4 FATAL_ERROR)
project(lua C)
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
set(COMMON_CFLAGS)
set(COMMON_LDFLAGS)
set(LIBS)
if(APPLE)
set(DEFAULT_POSIX TRUE)
set(DEFAULT_DLOPEN ON)
# use this on Mac OS X 10.3-
option(LUA_USE_MACOSX "Mac OS X 10.3-" OFF)
elseif(CYGWIN)
set(DEFAULT_POSIX TRUE)
elseif(UNIX)
set(DEFAULT_POSIX TRUE)
elseif(WIN32)
set(LUA_WIN TRUE)
set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_BUILD_AS_DLL")
else()
set(DEFAULT_ANSI TRUE)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(COMMON_LDFLAGS "${COMMON_LDFLAGS} -Wl,-E -lm")
set(DEFAULT_DLOPEN ON)
endif()
if(WIN32)
#set(BUILD_STATIC OFF)
set(BUILD_STATIC ON)
else()
#option(BUILD_STATIC "build static library" ON)
set(BUILD_STATIC ON)
endif()
if(DEFAULT_DLOPEN)
option(LUA_USE_DLOPEN "Enable dlopen support." ON)
else()
option(LUA_USE_DLOPEN "Enable dlopen support." OFF)
endif()
if(DEFAULT_POSIX)
else()
endif()
if(DEFAULT_ANSI)
option(LUA_ANSI "Disable non-ansi features." ON)
else()
option(LUA_ANSI "Disable non-ansi features." OFF)
endif()
#
# Lua version
#
set(LUA_VERSION_MAJOR 5)
set(LUA_VERSION_MINOR 1)
set(LUA_VERSION_PATCH 4)
set(LUA_VERSION
"${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}.${LUA_VERSION_PATCH}")
set(LUA_SOVERSION
"${LUA_VERSION_MAJOR}")
#
# libs & cflags
#
set(COMMON_LDFLAGS "${COMMON_LDFLAGS}")
# For "Mac OS X 10.3-"
if(LUA_USE_MACOSX)
set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_MACOSX")
set(LUA_USE_DLOPEN FALSE)
endif(LUA_USE_MACOSX)
if(LUA_USE_DLOPEN)
set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_DLOPEN")
if(NOT APPLE)
set(COMMON_LDFLAGS "${COMMON_LDFLAGS} -ldl ")
endif(NOT APPLE)
endif(LUA_USE_DLOPEN)
if(LUA_ANSI)
set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_ANSI")
endif(LUA_ANSI)
#
# COMMON_CFLAGS has no effect without this line
#
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_CFLAGS}")
#
# standard flags to use for each build type.
#
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pipe -Wall -Wextra -Wshadow -W -pedantic -std=gnu99")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g")
set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_PROFILE} -O1 -g")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_WITHDEBINFO} -O2 -g")
endif(CMAKE_COMPILER_IS_GNUCC)
#
# sub-folders
#
ADD_SUBDIRECTORY(src build)
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