# $Id: Portfile,v 1.7 2003/08/05 09:29:14 jkh Exp $
PortSystem 1.0
name			cm3
version			5.2.4
categories		lang
platforms		darwin
maintainers		landonf@opendarwin.org
homepage		http://www.elegosoft.com/cm3/
description		Critical Mass Modula-3 Compiler
long_description	CM3 5.1 is the first open source release of \
			Critical Mass Modula-3. It is a complete easy-to-use \
			and easy-to-install Modula-3 system that contains \
			considerable enhancements over its ancestor DEC SRC \
			Modula-3.

master_sites		${homepage}
distfiles		cm3-src-all-${version}.tgz

checksums		cm3-src-all-${version}.tgz md5 \
			d7ce529bc6bffc87ade367c7c0d79256

worksrcdir		cm3
extract.dir		${worksrcpath}
pre-extract		"file mkdir ${workpath}/${worksrcdir}"

# Add bootstrap/bin to our path
set env(PATH) "$env(PATH):${workpath}/bootstrap/bin"
# Create cm3-buildscript variable
set cm3-buildscript "cd ${worksrcpath}/scripts && M3GC_SIMPLE=yes"

# M3 requires a bootstrap compiler to build
# This port currently supports only Darwin/PPC

variant darwin powerpc {
    distfiles-append cm3-min-POSIX-PPC_DARWIN-${version}.tgz
    checksums-append cm3-min-POSIX-PPC_DARWIN-${version}.tgz md5 \
	b12f68341a97f2af1eac0c77929af77a

    # Work-around "poisoned calloc" error building gcc backend
    patchfiles patch-gcc-stmt.c
}

post-extract {
    # Create bootstrap directory and extract the cm3 bootstrap to it
    file mkdir ${workpath}/bootstrap
    system "tar -C ${workpath}/bootstrap -zxf ${worksrcpath}/system.tgz"
}

configure {
    # Configure the bootstrap
    file copy -force \
	${filespath}/bootstrap.cm3.cfg ${workpath}/bootstrap/bin/cm3.cfg
    reinplace \
	s|@USE_ROOT@|${workpath}/bootstrap/|g \
	${workpath}/bootstrap/bin/cm3.cfg
    reinplace \
	s|@INSTALL_ROOT@|${destroot}${prefix}/cm3/|g \
	${workpath}/bootstrap/bin/cm3.cfg
}

build {
    # build core distribution
    system "${cm3-buildscript} ./do-cm3-core.sh buildship"

    # build tcp package
    system "${cm3-buildscript} ./do-pkg.sh buildship tcp"
}

destroot {
    # create a link to cm3 (m3 compiler) in ${prefix}/cm3/bin
    cd ${destroot}/${prefix}/cm3/bin/
    system "ln -s \
	../pkg/cm3/PPC_DARWIN/cm3"

    # copy bootstrap configuration file to destroot
    file copy -force \
	${filespath}/bootstrap.cm3.cfg ${destroot}/${prefix}/cm3/bin/cm3.cfg

    # update file paths to reflect final installation paths
    reinplace \
	s|@INSTALL_ROOT@|${prefix}/cm3/|g \
	${destroot}/${prefix}/cm3/bin/cm3.cfg
    reinplace \
	s|@USE_ROOT@|${prefix}/cm3/|g \
	${destroot}/${prefix}/cm3/bin/cm3.cfg
}