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########################################################################################################
#
# Makefile wrapper to build tcl on Mac OS X in a way compatible with the tk/macosx Xcode buildsystem
#	uses the standard unix build system in tcl/unix (which can be used directly instead of this
#	if you are not using the tk/macosx projects).
#
# RCS: @(#) $Id: GNUmakefile,v 1.3 2006/04/12 00:58:01 das Exp $
#
########################################################################################################

#-------------------------------------------------------------------------------------------------------
# customizable settings

DESTDIR			?=
INSTALL_ROOT		?= ${DESTDIR}

BUILD_DIR		?= ${CURDIR}/../../build
SYMROOT			?= ${BUILD_DIR}/${PROJECT}
OBJROOT			?= ${SYMROOT}

EXTRA_CONFIGURE_ARGS 	?= 
EXTRA_MAKE_ARGS		?= 

INSTALL_PATH		?= /Library/Frameworks
PREFIX			?= /usr/local
BINDIR			?= ${PREFIX}/bin
LIBDIR			?= ${INSTALL_PATH}
MANDIR			?= ${PREFIX}/man

# set to non-empty value to install manpages in addition to html help:
INSTALL_MANPAGES 	?= 

#-------------------------------------------------------------------------------------------------------
# meta targets

meta 			:= all install embedded install-embedded clean distclean test

styles			:= develop deploy

all			:= ${styles}
all			: ${all}

install			:= ${styles:%=install-%}
install			: ${install}
install-%:		action := install-

embedded		:= ${styles:%=embedded-%}
embedded		: embedded-deploy
install-embedded	:= ${embedded:%=install-%}
install-embedded	: install-embedded-deploy

clean			:= ${styles:%=clean-%}
clean			: ${clean}
clean-%:		action := clean-
distclean		:= ${styles:%=distclean-%}
distclean		: ${distclean}
distclean-%:		action := distclean-

test			:= ${styles:%=test-%}
test			: ${test}
test-%:			action := test-

targets			:= $(foreach v,${meta},${$v})

#-------------------------------------------------------------------------------------------------------
# build styles

BUILD_STYLE		=
CONFIGURE_ARGS		=
OBJ_DIR			= ${OBJROOT}/${BUILD_STYLE}

develop_make_args	:= BUILD_STYLE=Development CONFIGURE_ARGS=--enable-symbols
deploy_make_args	:= BUILD_STYLE=Deployment INSTALL_TARGET=install-strip \
			   GENERIC_FLAGS=-DNDEBUG
embedded_make_args	:= EMBEDDED_BUILD=1
install_make_args	:= INSTALL_BUILD=1

${targets}: 
	${MAKE} ${action}${PROJECT} \
	$(foreach s,${styles} embedded install,$(if $(findstring $s,$@),${${s}_make_args}))

#-------------------------------------------------------------------------------------------------------
# project specific settings

PROJECT			:= tcl
PRODUCT_NAME		:= Tcl

UNIX_DIR		:= ${CURDIR}/../unix
VERSION			:= $(shell awk -F= '/^TCL_VERSION/ {print $$2; nextfile}' ${UNIX_DIR}/configure.in)
TCLSH			:= tclsh${VERSION}

BUILD_TARGET		:= all tcltest
INSTALL_TARGET		:= install

export CPPROG		:= cp -p

INSTALL_TARGETS		= install-binaries install-libraries
ifeq (${EMBEDDED_BUILD},)
INSTALL_TARGETS		+= install-private-headers
endif
ifeq (${INSTALL_BUILD}_${EMBEDDED_BUILD}_${BUILD_STYLE},1__Deployment)
INSTALL_TARGETS		+= html-tcl
ifneq (${INSTALL_MANPAGES},)
INSTALL_TARGETS		+= install-doc
endif
endif

MAKE_VARS		:= INSTALL_ROOT INSTALL_TARGETS VERSION GENERIC_FLAGS
MAKE_ARGS_V		= $(foreach v,${MAKE_VARS},$v='${$v}')

build-${PROJECT}:	target = ${BUILD_TARGET}
install-${PROJECT}:	target = ${INSTALL_TARGET}
clean-${PROJECT} distclean-${PROJECT} test-${PROJECT}: \
			target = $*

DO_MAKE			= +${MAKE} -C ${OBJ_DIR} ${target} ${MAKE_ARGS_V} ${MAKE_ARGS} ${EXTRA_MAKE_ARGS}

#-------------------------------------------------------------------------------------------------------
# build rules

${PROJECT}:
	${MAKE} install-${PROJECT} INSTALL_ROOT=${OBJ_DIR}/

${OBJ_DIR}/Makefile: ${UNIX_DIR}/Makefile.in ${UNIX_DIR}/configure \
                     ${UNIX_DIR}/tclConfig.sh.in Tcl-Info.plist.in
	mkdir -p ${OBJ_DIR} && cd ${OBJ_DIR} && \
	if [ ${UNIX_DIR}/configure -nt config.status ]; then ${UNIX_DIR}/configure -C \
	--prefix=${PREFIX} --bindir=${BINDIR} --libdir=${LIBDIR} \
	--mandir=${MANDIR} --enable-threads --enable-framework \
	${CONFIGURE_ARGS} ${EXTRA_CONFIGURE_ARGS}; else ./config.status; fi

build-${PROJECT}: ${OBJ_DIR}/Makefile
	${DO_MAKE}
ifeq (${INSTALL_BUILD},)
# symolic link hackery to trick
# 'make install INSTALL_ROOT=${OBJ_DIR}'
# into building Tcl.framework and tclsh in ${SYMROOT}
	@cd ${OBJ_DIR} && mkdir -p $(dir ./${LIBDIR}) $(dir ./${BINDIR}) ${SYMROOT} && \
	rm -f ./${LIBDIR} ./${BINDIR} && ln -fs ${SYMROOT} ./${LIBDIR} && \
	ln -fs ${SYMROOT} ./${BINDIR} && ln -fs ${OBJ_DIR}/tcltest ${SYMROOT}
endif

install-${PROJECT}: build-${PROJECT}
ifeq (${EMBEDDED_BUILD}_${INSTALL_ROOT},1_)
	@echo "Cannot install-embedded with empty INSTALL_ROOT !" && false
endif
ifeq (${EMBEDDED_BUILD},1)
	@rm -rf "${INSTALL_ROOT}/${LIBDIR}/Tcl.framework"
endif
	${DO_MAKE}
ifeq (${INSTALL_BUILD},1)
ifeq (${EMBEDDED_BUILD},1)
# if we are embedding frameworks, don't install tclsh
	@rm -f "${INSTALL_ROOT}${BINDIR}/${TCLSH}" && \
	rmdir -p "${INSTALL_ROOT}${BINDIR}" 2>&- || true
else
# redo prebinding
	@cd ${INSTALL_ROOT}/ && \
	if [ ! -d usr/lib ]; then mkdir -p usr && ln -fs /usr/lib usr/ && RM_USRLIB=1; fi; \
	if [ ! -d System ]; then ln -fs /System . && RM_SYSTEM=1; fi; \
	redo_prebinding -r . "./${LIBDIR}/${PRODUCT_NAME}.framework/Versions/${VERSION}/${PRODUCT_NAME}"; \
	redo_prebinding -r . "./${BINDIR}/${TCLSH}"; \
	if [ -n "$${RM_USRLIB:-}" ]; then rm -f usr/lib; rmdir -p usr 2>&-; fi; \
	if [ -n "$${RM_SYSTEM:-}" ]; then rm -f System; fi
# install tclsh symbolic link
	@ln -fs ${TCLSH} ${INSTALL_ROOT}${BINDIR}/tclsh
endif
endif
ifeq (${BUILD_STYLE}_${EMBEDDED_BUILD},Development_)
# keep copy of debug library around, so that
# Deployment build can be installed on top
# of Development build without overwriting
# the debug library
	@cd ${INSTALL_ROOT}${LIBDIR}/${PRODUCT_NAME}.framework/Versions/${VERSION} && \
	ln -f "${PRODUCT_NAME}" "${PRODUCT_NAME}_debug"
endif

clean-${PROJECT}: %-${PROJECT}:
	${DO_MAKE}
	rm -rf ${SYMROOT}/{${PRODUCT_NAME}.framework,${TCLSH},tcltest}
	rm -f ${OBJ_DIR}{${LIBDIR},${BINDIR}} && \
	rmdir -p ${OBJ_DIR}$(dir ${LIBDIR}) 2>&- || true && \
	rmdir -p ${OBJ_DIR}$(dir ${BINDIR}) 2>&- || true

distclean-${PROJECT}: %-${PROJECT}: clean-${PROJECT}
	${DO_MAKE}
	rm -rf ${OBJ_DIR}
	
test-${PROJECT}: %-${PROJECT}: build-${PROJECT}
	${DO_MAKE}

#-------------------------------------------------------------------------------------------------------

.PHONY: ${meta} ${targets} ${PROJECT} build-${PROJECT} install-${PROJECT} \
	clean-${PROJECT} distclean-${PROJECT}

.NOTPARALLEL:

#-------------------------------------------------------------------------------------------------------