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CC := g++ -std=c++20
# LuaRocks gives 'LIBFLAG' from the outside
#
LIBFLAG := -shared
OPT_FLAGS := -O2
# -O0 -g
ifeq "$(findstring MINGW,$(shell uname -s))" "MINGW"
# MinGW MSYS on Windows
#
_SO := dll
_LUAEXT := .exe
TIME := timeit.exe
else
_SO := so
_LUAEXT :=
endif
ifeq "$(LUAROCKS)" ""
ifeq "$(findstring MINGW,$(shell uname -s))" "MINGW"
# MinGW MSYS on Windows
#
# - 'lua' and 'luac' expected to be on the path
# - %LUA_DEV% must lead to include files and libraries (Lua for Windows >= 5.1.3.14)
# - %MSCVR80% must be the full pathname of 'msvcr80.dll'
#
ifeq "$(LUA_DEV)" ""
$(warning LUA_DEV not defined - try i.e. 'make LUA_DEV=/c/Program\ Files/Lua/5.1')
# this assumes Lua was built and installed from source and everything is located in default folders (/usr/local/include and /usr/local/bin)
LUA_FLAGS := -I "/usr/local/include"
LUA_LIBS := $(word 1,$(shell which lua54.$(_SO) 2>/dev/null) $(shell which lua53.$(_SO) 2>/dev/null) $(shell which lua52.$(_SO) 2>/dev/null) $(shell which lua51$(_SO) 2>/dev/null))
$(info detected LUA_LIBS as $(LUA_LIBS))
else
LUA_FLAGS := -I "$(LUA_DEV)/include"
LUA_LIBS := "$(LUA_DEV)/lua5.1.dll" -lgcc
endif
LIBFLAG := -shared -Wl,-Map,lanes.map
else
# Autodetect LUA_FLAGS and/or LUA_LIBS
#
ifneq "$(shell which pkg-config)" ""
ifeq "$(shell pkg-config --exists luajit && echo 1)" "1"
LUA_FLAGS := $(shell pkg-config --cflags luajit)
LUA_LIBS := $(shell pkg-config --libs luajit)
#
# Debian: -I/usr/include/luajit-2.0
# -lluajit-5.1
else
ifeq "$(shell pkg-config --exists lua5.1 && echo 1)" "1"
LUA_FLAGS := $(shell pkg-config --cflags lua5.1)
LUA_LIBS := $(shell pkg-config --libs lua5.1)
#
# Ubuntu: -I/usr/include/lua5.1
# -llua5.1
else
ifeq "$(shell pkg-config --exists lua && echo 1)" "1"
LUA_FLAGS := $(shell pkg-config --cflags lua)
LUA_LIBS := $(shell pkg-config --libs lua)
#
# OS X fink with pkg-config:
# -I/sw/include
# -L/sw/lib -llua -lm
else
$(warning *** 'pkg-config' existed but did not know of 'lua[5.1]' - Good luck!)
LUA_FLAGS :=
LUA_LIBS := -llua
endif
endif
endif
else
# No 'pkg-config'; try defaults
#
ifeq "$(shell uname -s)" "Darwin"
$(warning *** Assuming 'fink' at default path)
LUA_FLAGS := -I/sw/include
LUA_LIBS := -L/sw/lib -llua
else
$(warning *** Assuming an arbitrary Lua installation; try installing 'pkg-config')
LUA_FLAGS :=
LUA_LIBS := -llua
endif
endif
endif
ifeq "$(shell uname -s)" "Darwin"
# Some machines need 'MACOSX_DEPLOYMENT_TARGET=10.3' for using '-undefined dynamic_lookup'
# (at least PowerPC running 10.4.11); does not harm the others
#
CC := MACOSX_DEPLOYMENT_TARGET=10.3 gcc
LIBFLAG := -bundle -undefined dynamic_lookup
endif
CFLAGS := -Wall -Werror $(OPT_FLAGS) $(LUA_FLAGS)
LIBS :=
endif
#---
# PThread platform specifics
#
ifeq "$(shell uname -s)" "Linux"
# -D_GNU_SOURCE needed for 'pthread_mutexattr_settype'
CFLAGS += -D_GNU_SOURCE -fPIC
# Use of -DUSE_PTHREAD_TIMEDJOIN is possible, but not recommended (slower & keeps threads
# unreleased somewhat longer)
#CFLAGS += -DUSE_PTHREAD_TIMEDJOIN
LIBS += -lpthread
endif
ifeq "$(shell uname -s)" "BSD"
LIBS += -lpthread
endif
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