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# $NetBSD: bsd.lua.mk,v 1.7 2014/07/19 18:38:34 lneto Exp $
#
# Build rules and definitions for Lua modules
#
# Variables used
#
# LUA_VERSION currently installed version of Lua
# LUA_LIBDIR ${LIBDIR}/lua/${LUA_VERSION}
#
# LUA_MODULES list of Lua modules to build/installi
# LUA_DPLIBS shared library dependencies as per LIBDPLIBS
#
# LUA_SRCS.mod sources for each module (by default: "${mod:S/./_/g}.lua")
#
# DPADD additional dependencies for building modules
# DPADD.mod additional dependencies for a specific module
#
#
# HAVE_LUAC if defined, .lua source files will be compiled with ${LUAC}
# and installed as precompiled chunks for faster loading. Note
# that the luac file format is not yet standardised and may be
# subject to change.
#
# LUAC the luac compiler (by default: /usr/bin/luac)
#
#
# Notes:
#
# currently make(depend) and make(tags) do not support .lua sources; We
# add Lua sources to DPSRCS when HAVE_LUAC is defined and other language
# sources to SRCS for <bsd.dep.mk>.
#
# other language support for other than C is incomplete
#
# C language sources are passed though lint, when MKLINT != "no"
#
# The Lua binary searches /usr/share/lua/5.1/ at this time and we could
# install .lua modules there which would mean slightly less duplication
# in compat builds. However, MKSHARE=no would prevent such modules from
# being installed so we just install everything under /usr/lib/lua/5.1/
#
.if !defined(_BSD_LUA_MK_)
_BSD_LUA_MK_=1
.include <bsd.init.mk>
.include <bsd.shlib.mk>
.include <bsd.gcc.mk>
#__MINIX: Not always included
.include <bsd.own.mk>
.if defined(__MINIX) && ${USE_BITCODE:Uno} == "yes"
LDFLAGS+= -L${DESTDIR}/usr/lib
.endif # defined(__MINIX) && ${USE_BITCODE:Uno} == "yes"
##
##### Basic targets
realinstall: .PHONY lua-install
realall: .PHONY lua-all
lint: .PHONY lua-lint
lua-install: .PHONY
lua-all: .PHONY
lua-lint: .PHONY
CLEANFILES+= a.out [Ee]rrs mklog core *.core
##
##### Global variables
LUA_VERSION?= 5.3
LUA_LIBDIR?= ${LIBDIR}/lua/${LUA_VERSION}
LUAC?= /usr/bin/luac
##
##### Build rules
# XX should these always be on?
CFLAGS+= -fPIC
.SUFFIXES: .lua .luac
.lua.luac:
${_MKTARGET_COMPILE}
${LUAC} -o ${.TARGET} ${.IMPSRC}
##
##### Libraries that modules may depend upon.
.for _lib _dir in ${LUA_DPLIBS}
.if !defined(LIBDO.${_lib})
LIBDO.${_lib}!= cd "${_dir}" && ${PRINTOBJDIR}
.MAKEOVERRIDES+=LIBDO.${_lib}
.endif
LDADD+=-L${LIBDO.${_lib}} -l${_lib}
DPADD+=${LIBDO.${_lib}}/lib${_lib}.so
.endfor
##
##### Lua Modules
.for _M in ${LUA_MODULES}
LUA_SRCS.${_M}?=${_M:S/./_/g}.lua
LUA_DEST.${_M}=${LUA_LIBDIR}${_M:S/./\//g:S/^/\//:H}
.if !empty(LUA_SRCS.${_M}:M*.lua)
.if ${LUA_SRCS.${_M}:[\#]} > 1
.error Module "${_M}" has too many source files
.endif
.if defined(HAVE_LUAC)
##
## The module has Lua source and needs to be compiled
LUA_TARG.${_M}=${_M:S/./_/g}.luac
LUA_NAME.${_M}=${_M:S/./\//g:T}.luac
CLEANFILES+=${LUA_TARG.${_M}}
DPSRCS+=${LUA_SRCS.${_M}}
.NOPATH: ${LUA_TARG.${_M}}
lua-all: ${LUA_TARG.${_M}}
${LUA_TARG.${_M}}: ${LUA_SRCS.${_M}} ${DPADD} ${DPADD.${_M}}
.else
##
## The module has Lua source and can be installed directly
LUA_TARG.${_M}=${LUA_SRCS.${_M}}
LUA_NAME.${_M}=${_M:S/./\//g:T}.lua
.endif
.else
##
## The module has other language source and we must build ${_M}.so
LUA_OBJS.${_M}=${LUA_SRCS.${_M}:N*.lua:R:S/$/.o/g}
LUA_LOBJ.${_M}=${LUA_SRCS.${_M}:M*.c:.c=.ln}
LUA_TARG.${_M}=${_M:S/./_/g}.so
LUA_NAME.${_M}=${_M:S/./\//g:T}.so
CLEANFILES+=${LUA_OBJS.${_M}} ${LUA_LOBJ.${_M}} ${LUA_TARG.${_M}}
DPSRCS+=${LUA_SRCS.${_M}}
SRCS+=${LUA_SRCS.${_M}}
.NOPATH: ${LUA_OBJS.${_M}} ${LUA_LOBJ.${_M}} ${LUA_TARG.${_M}}
.if ${MKLINT} != "no"
${LUA_TARG.${_M}}: ${LUA_LOBJ.${_M}}
.endif
lua-lint: ${LUA_LOBJ.${_M}}
lua-all: ${LUA_TARG.${_M}}
${LUA_TARG.${_M}}: ${LUA_OBJS.${_M}} ${DPADD} ${DPADD.${_M}}
${_MKTARGET_BUILD}
rm -f ${.TARGET}
${CC} -Wl,--warn-shared-textrel \
-Wl,-x -shared ${LUA_OBJS.${_M}} \
-Wl,-soname,${LUA_NAME.${_M}} -o ${.TARGET} \
${LDADD} ${LDADD.${_M}} ${LDFLAGS} ${LDFLAGS.${_M}}
.endif
DPADD+= ${LIBLUA}
LDADD+= -llua
##
## module install rules
lua-install: ${DESTDIR}${LUA_DEST.${_M}}/${LUA_NAME.${_M}}
${DESTDIR}${LUA_DEST.${_M}}/${LUA_NAME.${_M}}! ${LUA_TARG.${_M}}
${_MKTARGET_INSTALL}
${INSTALL_FILE} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
${.ALLSRC} ${.TARGET}
.endfor
##
##### end of modules
.include <bsd.clean.mk>
.include <bsd.dep.mk>
.include <bsd.inc.mk>
.include <bsd.obj.mk>
.include <bsd.sys.mk>
.endif # ! defined(_BSD_LUA_MK_)
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