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# Created by: Jyun-Yan You <jyyou@cs.nctu.edu.tw>
# $FreeBSD$

PORTNAME=   rust
PORTVERSION?=   1.10.0
CATEGORIES= lang
MASTER_SITES=   http://static.rust-lang.org/dist/:src \
        http://static.rust-lang.org/dist/:bootstrap \
        https://github.com/dhuseby/rust-manual-snapshots/raw/master/:bootstrap \
        LOCAL/marino:bootstrap
DISTNAME?=  ${PORTNAME}c-${PORTVERSION}
DISTFILES?= ${DISTNAME}-src${EXTRACT_SUFX}:src
DISTFILES+= ${RUST_BOOT}:bootstrap
EXTRACT_ONLY?=  ${DISTFILES:N*\:bootstrap:C/:.*//}

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

LICENSE=    APACHE20 \
        MIT
LICENSE_COMB=   dual
# APACHE20 license is standard, see Templates/Licenses/APACHE20
LICENSE_FILE_MIT=   ${WRKSRC}/LICENSE-MIT

ONLY_FOR_ARCHS?=    amd64 i386
ONLY_FOR_ARCHS_REASON=  requires prebuilt bootstrap compiler

BROKEN_FreeBSD_9=   Only compiles on FreeBSD 10 and 11

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-nightly
CONFLICTS_BUILD+=   ${PKGBASE}
CONFLICTS_INSTALL?= rust-nightly

RUST_BOOT_VERSION?= 1.9.0
RUST_BOOT=      rustc-${RUST_BOOT_VERSION}-${RUST_TARGET}.tar.gz

# 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=   ${PORTVERSION:C/\.[0-9]{8}$//}
.if defined(.PARSEDIR) # fixes |make describe| on 9.x (which is BROKEN)
RUST_CHANNEL=   ${PKGNAMESUFFIX:Ustable:S/^-//}
.endif
RUST_VSN_HASH!= /usr/bin/printf '%s' ${RUST_VSN}${PKGNAMESUFFIX} | /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_x86_64=   x86_64 # dragonfly
RUST_ARCH_amd64=    x86_64
RUST_ARCH_i386=     i686
RUST_TARGET=        ${RUST_ARCH_${ARCH}}-unknown-${OPSYS:tl}
PLIST_SUB+= RUST_TARGET=${RUST_TARGET}

USES=       compiler gmake libedit python:2,build
HAS_CONFIGURE=  yes
CONFIGURE_ARGS= --disable-valgrind \
        ${CHOSEN_COMPILER_TYPE:Mclang:C/.+/--enable-&/} \
        --prefix=${PREFIX}  \
        --musl-root=${PREFIX}   \
        --local-rust-root=${PREFIX} \
        --mandir=${MANPREFIX}/man \
        --release-channel=${RUST_CHANNEL}

PORTDOCS=   *

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

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

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

# Rust may pass more regression tests with bundled LLVM
PORT_LLVM_DESC= Build against devel/llvm${LLVM_VER} instead of bundled version
PORT_LLVM_BUILD_DEPENDS=    ${LLVM_PREFIX}/bin/FileCheck:devel/llvm${LLVM_VER}
PORT_LLVM_CONFIGURE_ON=     --llvm-root=${LLVM_PREFIX}
LLVM_VER?=          38
LLVM_PREFIX=            ${LOCALBASE}/llvm${LLVM_VER}

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

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
    ${FIND} ${WRKSRC} -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}; do \
        if test -f ${STAGEDIR}${PREFIX}/lib/rustlib/$$f; then \
        ${SED} -E -e 's,^(dir|file:),${STAGEDIR},' \
        < ${STAGEDIR}${PREFIX}/lib/rustlib/$$f \
        | ${XARGS} ${RM}; \
        fi; \
    done
    @${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

pre-install-DOCS-on:
    @for f in manifest-rust-docs; do \
        if test -f ${STAGEDIR}${PREFIX}/lib/rustlib/$$f; then \
        ${SED} -E -e 's,^(dir|file:),${STAGEDIR},' \
        < ${STAGEDIR}${PREFIX}/lib/rustlib/$$f \
        | ${XARGS} ${RM}; \
        fi; \
    done
    @${RM} ${STAGEDIR}${PREFIX}/lib/rustlib/manifest-rust-docs

post-install:
    @for f in manifest-rustc manifest-rust-std-${RUST_TARGET}; do \
        ${REINPLACE_CMD} -e 's|${STAGEDIR}||' \
            ${STAGEDIR}${PREFIX}/lib/rustlib/$$f; \
        ${RM} ${STAGEDIR}${PREFIX}/lib/rustlib/$$f.bak; \
    done
    @${RM} ${STAGEDIR}${PREFIX}/lib/rustlib/install.log
# FIXME: Static libraries in lib/rustlib/*/lib/*.rlib are not stripped,
# but they contain non-object files which make strip(1) unhappy.
    @${STRIP_CMD} \
        ${STAGEDIR}${PREFIX}/bin/rustc \
        ${STAGEDIR}${PREFIX}/bin/rustdoc \
        ${STAGEDIR}${PREFIX}/lib/*.so \
        ${STAGEDIR}${PREFIX}/lib/rustlib/*/lib/*.so

post-install-DOCS-on:
    @for f in manifest-rust-docs; do \
        ${REINPLACE_CMD} -e 's|${STAGEDIR}||' \
            ${STAGEDIR}${PREFIX}/lib/rustlib/$$f; \
        ${RM} ${STAGEDIR}${PREFIX}/lib/rustlib/$$f.bak; \
    done
    @${RMDIR} ${STAGEDIR}${PREFIX}/share/doc/rust/html/extra

.include <bsd.port.mk>