# Created by: Jyun-Yan You <jyyou@cs.nctu.edu.tw>
# $FreeBSD: tags/RELEASE_10_3_0/lang/rust/Makefile 403672 2015-12-13 14:21:05Z riggs $

PORTNAME=	rust
PORTVERSION=	1.5.0
CATEGORIES=	lang
MASTER_SITES=	http://static.rust-lang.org/dist/:src \
		http://static.rust-lang.org/stage0-snapshots/:bootstrap
DISTNAME=	${PORTNAME}c-${PORTVERSION}
DISTFILES=	${RUST_SOURCE}:src \
		${RUST_BOOT}:bootstrap
EXTRACT_ONLY=	${RUST_SOURCE}

MAINTAINER=	riggs@FreeBSD.org
COMMENT=	Language with a focus on memory safety and concurrency

LICENSE=	APACHE20 \
		MIT
LICENSE_COMB=	dual
LICENSE_FILE=	${WRKSRC}/LICENSE-APACHE \
		${WRKSRC}/LICENSE-MIT

ONLY_FOR_ARCHS=	amd64 i386
ONLY_FOR_ARCHS_REASON=	requires prebuilt bootstrap compiler

DISTINFO_FILE=	${MASTERDIR}/distinfo.${ARCH}

# FIXME: The bootstrapped rustc adds -L/usr/local/lib in front of
# the LDFLAGS. When stage0's rustc is linked, it picks the installed
# librust*so and fails.
CONFLICTS_BUILD=	rust \
			rust-nightly
CONFLICTS_INSTALL=	rust-nightly

RUST_SOURCE=	${DISTNAME}-src${EXTRACT_SUFX}
RUST_BOOT=	rust-stage0-${RUST_BOOT_SIG_${ARCH}}.tar.bz2

RUST_BOOT_SIG_amd64=	2015-08-11-1af31d4-freebsd-x86_64-de1f36592bac0eeb90c049a8421246652c511b9e
RUST_BOOT_SIG_i386=	2015-08-11-1af31d4-freebsd-i386-3cd4a44fb97b3135be3d1b760bea604a381e85dc

# Rust's libraries are named librustc_${component}-${RUST_VSN_HASH}.so.
# The hash depends on Rust version and, if the channel is not "stable",
# the channel name. See $(CFG_FILENAME_EXTRA) definition in mk/main.mk.
RUST_VSN=	${PORTVERSION}
RUST_CHANNEL=	stable
RUST_VSN_HASH!=	/usr/bin/printf '%s' ${RUST_VSN} | /sbin/md5 -q | cut -c 1-8
PLIST_SUB+=	RUST_VSN_HASH=${RUST_VSN_HASH}

# Rust's target arch string is different from *BSD arch strings
RUST_ARCH_amd64=	x86_64
RUST_ARCH_i386=		i686
RUST_TARGET=		${RUST_ARCH_${ARCH}}-unknown-${OPSYS:tl}
PLIST_SUB+=	RUST_TARGET=${RUST_TARGET}

USES=		gmake libedit python:2,build
HAS_CONFIGURE=	yes
CONFIGURE_ARGS=	--disable-valgrind --disable-docs \
		--enable-clang --mandir=${MANPREFIX}/man \
		--release-channel=${RUST_CHANNEL}

# Use LLVM from ports, instead of the copy shipped with rust.
#LLVM_VER=	36
#BUILD_DEPENDS+=	llvm${LLVM_VER}>=0:${PORTSDIR}/devel/llvm${LLVM_VER}
#CONFIGURE_ARGS+=--llvm-root=${LOCALBASE}/llvm${LLVM_VER}

.if defined(BATCH) || defined(PACKAGE_BUILDING)
MAKE_ARGS+=	VERBOSE=1
.endif

OPTIONS_DEFINE=		GDB LLNEXTGEN
GDB_DESC=		Install ports gdb (necessary for debugging rust programs)
LLNEXTGEN_DESC=		Build with grammar verification

GDB_RUN_DEPENDS=		${LOCALBASE}/bin/gdb:${PORTSDIR}/devel/gdb
LLNEXTGEN_BUILD_DEPENDS=	LLnextgen:${PORTSDIR}/devel/llnextgen

# Note that make test does not work when rust is already installed
TEST_TARGET=	check
TEST_ENV+=	ALLOW_NONZERO_RLIMIT_CORE=1

.include <bsd.port.options.mk>

.if ${OPSYS} == FreeBSD && ${OSVERSION} < 1000000
BROKEN=		Only compiles on FreeBSD 10 and 11
.endif

pre-fetch:
	# FIXME: This is the same check for CONFLICTS as the standard
	# one, except port origins are not compared. This allows
	# the port to conflict with itself, because Rust would pick
	# installed Rust libraries instead of freshly built ones.
	@conflicts_with=$$( \
	{ ${PKG_QUERY} -g "%n-%v %p %o" ${CONFLICTS:C/.+/'&'/} ${CONFLICTS_BUILD:C/.+/'&'/} 2>/dev/null || : ; } \
		| while read pkgname prfx orgn; do \
		if [ "/${PREFIX}" = "/$${prfx}" ]; then \
			${ECHO_CMD} -n " $${pkgname}"; \
		fi; \
	done); \
	if [ -n "$${conflicts_with}" ]; then \
		${ECHO_MSG}; \
		${ECHO_MSG} "===>  ${PKGNAME} conflicts with installed package(s): "; \
		for entry in $${conflicts_with}; do \
			${ECHO_MSG} "      $${entry}"; \
		done; \
		${ECHO_MSG}; \
		${ECHO_MSG} "      They will not build together."; \
		${ECHO_MSG} "      Please remove them first with pkg delete."; \
		exit 1;\
	fi

post-extract:
	@${MKDIR} ${WRKSRC}/dl
	${LN} -sf ${DISTDIR}/${RUST_BOOT} ${WRKSRC}/dl
	(cd ${WRKSRC} && find . -type d -exec chmod 0755 {} \;)

post-patch:
	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|' \
		${WRKSRC}/mk/main.mk
	@${REINPLACE_CMD} -e 's|gdb|${LOCALBASE}/bin/gdb|' \
		${WRKSRC}/src/etc/rust-gdb

# In case the previous "make stage" failed, this ensures rust's
# install.sh won't backup previously staged files before reinstalling
# new ones. Otherwise, the staging directory is polluted with unneeded
# files.
pre-install:
.for f in manifest-rustc manifest-rust-std-${RUST_TARGET}
	@if test -f ${STAGEDIR}${PREFIX}/lib/rustlib/${f}; then \
		${SED} -E -e 's,^(dir|file:),${STAGEDIR},' \
		< ${STAGEDIR}${PREFIX}/lib/rustlib/${f} \
		| ${XARGS} ${RM}; \
	fi
.endfor
	@${RM} \
		${STAGEDIR}${PREFIX}/lib/rustlib/components \
		${STAGEDIR}${PREFIX}/lib/rustlib/manifest-rustc \
		${STAGEDIR}${PREFIX}/lib/rustlib/manifest-rust-std-${RUST_TARGET} \
		${STAGEDIR}${PREFIX}/lib/rustlib/rust-installer-version \
		${STAGEDIR}${PREFIX}/lib/rustlib/uninstall.sh

post-install:
.for f in manifest-rustc manifest-rust-std-${RUST_TARGET}
	@${REINPLACE_CMD} -e 's|${STAGEDIR}||' \
		${STAGEDIR}${PREFIX}/lib/rustlib/${f}
	@${RM} ${STAGEDIR}${PREFIX}/lib/rustlib/${f}.bak
.endfor
	@${RM} ${STAGEDIR}${PREFIX}/lib/rustlib/install.log
	@${STRIP_CMD} \
		${STAGEDIR}${PREFIX}/bin/rustc \
		${STAGEDIR}${PREFIX}/bin/rustdoc \
		${STAGEDIR}${PREFIX}/lib/*.so \
		${STAGEDIR}${PREFIX}/lib/rustlib/*/lib/*.so

.include <bsd.port.mk>
