# $OpenBSD: lua.port.mk,v 1.24 2012/12/11 22:12:12 sthen Exp $

CATEGORIES+=	lang/lua

#
# Handle multiple versions/flavors.
# Defaults to MODLUA_DEFAULT_VERSION if no FLAVOR is set.
#

# Define the default version and use that if MODLUA_VERSION is not set.
MODLUA_DEFAULT_VERSION=	5.1

# If a port already has flavors, append our lua flavors to it, unless it requests a specific
# version of lua. Otherwise set the FLAVORS list to just the lua flavors.
.if !defined(MODLUA_VERSION) && !defined(FLAVORS)
FLAVORS?=		lua52
.else
FLAVORS+=		lua52
.endif

FLAVOR?=		# empty

# without a flavor, assume ${MODLUA_DEFAULT_VERSION}
.if ${FLAVOR:L:Mlua52}
MODLUA_VERSION=		5.2
.else
MODLUA_VERSION?=	${MODLUA_DEFAULT_VERSION}
.endif

.if "${MODLUA_VERSION}" == "5.1"
_MODLUA_PKG_PREFIX=	lua
MODLUA_FLAVOR=		# empty
.elif "${MODLUA_VERSION}" == "5.2"
_MODLUA_PKG_PREFIX=	lua52
MODLUA_FLAVOR=		lua52
.else
ERRORS+=		"Invalid MODLUA_VERSION set: ${MODLUA_VERSION}."
.endif

# Based on lua version, adjust the prefix. But don't change the prefix
# of default (5.1) packages. Unless it's just a standalone application
# that happens to embed lua (in which case MODLUA_SA needs to be set
# and we'll just append the flavor suffix.
MODLUA_SA?=		No

.if "${MODLUA_VERSION}" != "5.1"
.if !${MODLUA_SA:L:Myes}
FULLPKGNAME?=${PKGNAME:S/^lua/${_MODLUA_PKG_PREFIX}/}
.endif
.endif

#
# Shorthand variables used for common tasks, e.g. pkg-config use ${MODLUA_DEP}.
#
MODLUA_DEP_VERSION?=	${MODLUA_VERSION:S/.//g}
MODLUA_DEP=		lua${MODLUA_DEP_VERSION}

MODLUA_WANTLIB=		lua${MODLUA_VERSION}
MODLUA_LIB=		-l${MODLUA_WANTLIB}

.if "${MODLUA_VERSION}" == "5.1"
_MODLUA_RUN_DEPENDS=	lang/lua/5.1
.elif "${MODLUA_VERSION}" == "5.2"
_MODLUA_RUN_DEPENDS=	lang/lua/5.2
.endif

MODLUA_LIB_DEPENDS=	${_MODLUA_RUN_DEPENDS}

MODLUA_BIN=		${LOCALBASE}/bin/lua${MODLUA_DEP_VERSION}

# Propagate the flavor to all dependencies
.for r in ${MODLUA_RUN_DEPENDS}
_MODLUA_RUN_DEPS+=	${r},${MODLUA_FLAVOR}
.endfor

.for b in ${MODLUA_BUILD_DEPENDS}
_MODLUA_BUILD_DEPENDS+=	${b},${MODLUA_FLAVOR}
.endfor

.for x in ${MODLUA_REGRESS_DEPENDS}
_MODLUA_REGRESS_DEPENDS+=${x},${MODLUA_FLAVOR}
.endfor

#
# Default directories
#

# Where the lua distribution headers have been installed to.
MODLUA_INCL_DIR=	${LOCALBASE}/include/lua-${MODLUA_VERSION}/

# Where the example will be installed
MODLUA_EXAMPLEDIR=	${PREFIX}/share/examples/${FULLPKGNAME}/

# Where the docs will be installed
MODLUA_DOCDIR=		${PREFIX}/share/doc/${FULLPKGNAME}/

# Where the lua libraries will be installed to
MODLUA_LIBDIR=		${PREFIX}/lib/lua/${MODLUA_VERSION}/

# Where the lua modules will be installed to
MODLUA_DATADIR=		${PREFIX}/share/lua/${MODLUA_VERSION}/

#
# Fixup run/build dependencies if needed
#
MODLUA_RUNDEP?=		Yes
MODLUA_BUILDDEP?=	Yes

.if ${MODLUA_RUNDEP:L} == yes
RUN_DEPENDS+=		${_MODLUA_RUN_DEPENDS} \
			${_MODLUA_RUN_DEPS}
.endif

.if ${NO_BUILD:L} == "no" && "${MODLUA_BUILDDEP:L}" == "yes"
BUILD_DEPENDS+=		${_MODLUA_BUILD_DEPENDS} \
			${_MODLUA_RUN_DEPENDS}
.endif

REGRESS_DEPENDS+=	${_MODLUA_REGRESS_DEPENDS}

SUBST_VARS+=	MODLUA_VERSION MODLUA_LIB MODLUA_INCL_DIR \
		MODLUA_EXAMPLEDIR MODLUA_DOCDIR MODLUA_LIBDIR \
		MODLUA_DATADIR MODLUA_DEP MODLUA_DEP_VERSION \
		MODLUA_BIN