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# Search for the Lua 5.3 include files and libraries
#
# Input variable:
# LUA_HINT: path to Lua installation -- only needed for non-standard installs
# Output variable:
# SIMGRID_HAVE_LUA : if Lua was found
# LUA_LIBRARY : the path to the dynamic library
# LUA_INCLUDE_DIR : where to find lua.h
# LUA_VERSION_MAJOR: First part of the version (often, 5)
# LUA_VERSION_MINOR: Second part of the version (3 when we have 5.3)
find_path(LUA_INCLUDE_DIR lua.h
HINTS
ENV LUA_HINT
PATH_SUFFIXES include/lua53 include/lua5.3 include/lua-5.3 include/lua include
PATHS
~/Library/Frameworks
/Library/Frameworks
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
/opt
)
find_library(LUA_LIBRARY
NAMES # I don't want a lua.a
lua53.so lua5.3.so lua-5.3.so
lua53.dynlib lua5.3.dynlib lua-5.3.dynlib
lua53.dll lua5.3.dll lua-5.3.dll
lua.so lua.dynlib lua.dll
lua53 lua5.3 lua-5.3 lua
HINTS
ENV LUA_HINT
PATH_SUFFIXES lib
PATHS
~/Library/Frameworks
/Library/Frameworks
/sw
/opt/local
/opt/csw
/opt
)
if (NOT LUA_LIBRARY)
message(FATAL_ERROR "Error: Lua library not found. Please install that package (and set LUA_HINT) or disable Lua.")
endif()
if (NOT LUA_INCLUDE_DIR OR NOT EXISTS "${LUA_INCLUDE_DIR}/lua.h")
message(FATAL_ERROR "Error: Lua header file not found. Please install that package (and set LUA_HINT) or disable Lua.")
endif()
# Extract the version info out of the header file
file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_VERSION_MAJOR[ \t]+\"[456]+\"")
string(REGEX REPLACE "^#define[ \t]+LUA_VERSION_MAJOR[ \t]+\"([^\"]+)\"" "\\1" LUA_VERSION_MAJOR "${lua_version_str}")
file(STRINGS "${LUA_INCLUDE_DIR}/lua.h" lua_version_str REGEX "^#define[ \t]+LUA_VERSION_MINOR[ \t]+\"[0123456789]+\"")
string(REGEX REPLACE "^#define[ \t]+LUA_VERSION_MINOR[ \t]+\"([^\"]+)\"" "\\1" LUA_VERSION_MINOR "${lua_version_str}")
unset(lua_version_str)
# Check that we have a sufficient version of Lua
if(LUA_VERSION_MAJOR EQUAL 5 AND LUA_VERSION_MINOR EQUAL 3)
set(SIMGRID_HAVE_LUA 1)
include_directories(${LUA_INCLUDE_DIR})
else()
message(FATAL_ERROR "Error: Lua version 5.3 is required, but version ${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR} found instead.")
endif()
message(STATUS "Lua version: ${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}")
message(STATUS "Lua library: ${LUA_LIBRARY}")
mark_as_advanced(LUA_INCLUDE_DIR)
mark_as_advanced(LUA_LIBRARY)
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