Index: head/Mk/Uses/cargo.mk
===================================================================
--- head/Mk/Uses/cargo.mk	(revision 503889)
+++ head/Mk/Uses/cargo.mk	(revision 503890)
@@ -1,301 +1,304 @@
 # $FreeBSD$
 #
 # This file contains logic to ease porting of Rust packages or
 # binaries using the `cargo` command.
 #
 # Feature:	cargo
 # Usage:	USES=cargo
 # Valid ARGS:	none
 #
 # MAINTAINER: rust@FreeBSD.org
 
 .if !defined(_INCLUDE_USES_CARGO_MK)
 _INCLUDE_USES_CARGO_MK=	yes
 
 .if !empty(cargo_ARGS)
 IGNORE+=	USES=cargo takes no arguments
 .endif
 
 # List of static dependencies.  The format is cratename-version.
 # CARGO_CRATES will be downloaded from MASTER_SITES_CRATESIO.
 CARGO_CRATES?=
 
 # List of features to build (space separated list).
 CARGO_FEATURES?=
 
 # Name of the local directory for vendoring crates.
 CARGO_VENDOR_DIR?=	${WRKSRC}/cargo-crates
 
 # Default path for cargo manifest.
 CARGO_CARGOTOML?=	${WRKSRC}/Cargo.toml
 CARGO_CARGOLOCK?=	${WRKSRC}/Cargo.lock
 
 # Save crates inside ${DISTDIR}/rust/crates by default.
 CARGO_DIST_SUBDIR?=	rust/crates
 
 # Generate list of DISTFILES.
 .for _crate in ${CARGO_CRATES}
 MASTER_SITES+=	CRATESIO/${_crate:C/^(.*)-[0-9].*/\1/}/${_crate:C/^.*-([0-9].*)/\1/}:cargo_${_crate:S/-//g:S/.//g}
 DISTFILES+=	${CARGO_DIST_SUBDIR}/${_crate}.tar.gz:cargo_${_crate:S/-//g:S/.//g}
 .endfor
 
 # Build dependencies.
 
 CARGO_BUILDDEP?=	yes
 .if ${CARGO_BUILDDEP:tl} == "yes"
 BUILD_DEPENDS+=	${RUST_DEFAULT}>=1.35.0:lang/${RUST_DEFAULT}
 .endif
 
 # Location of cargo binary (default to lang/rust's Cargo binary)
 CARGO_CARGO_BIN?=	${LOCALBASE}/bin/cargo
 
 # Location of the cargo output directory.
 CARGO_TARGET_DIR?=	${WRKDIR}/target
 
 # Environment for cargo
 #  - CARGO_HOME: local cache of the registry index
 #  - CARGO_BUILD_JOBS: configure number of jobs to run
 #  - CARGO_TARGET_DIR: location of where to place all generated artifacts
 #  - RUSTC: path of rustc binary (default to lang/rust)
 #  - RUSTDOC: path of rustdoc binary (default to lang/rust)
 #  - RUSTFLAGS: custom flags to pass to all compiler invocations that Cargo performs
 CARGO_ENV+= \
 	CARGO_HOME=${WRKDIR}/cargo-home \
 	CARGO_BUILD_JOBS=${MAKE_JOBS_NUMBER} \
 	CARGO_TARGET_DIR=${CARGO_TARGET_DIR} \
 	RUSTC=${LOCALBASE}/bin/rustc \
 	RUSTDOC=${LOCALBASE}/bin/rustdoc \
 	RUSTFLAGS="${RUSTFLAGS} -C linker=${CC:Q} ${LDFLAGS:C/.+/-C link-arg=&/}"
 
 # Adjust -C target-cpu if -march/-mcpu is set by bsd.cpu.mk
 .if ${ARCH} == amd64 || ${ARCH} == i386
 RUSTFLAGS+=	${CFLAGS:M-march=*:S/-march=/-C target-cpu=/}
 .else
 RUSTFLAGS+=	${CFLAGS:M-mcpu=*:S/-mcpu=/-C target-cpu=/}
 .endif
 
 .if ${ARCH} == powerpc64
 USE_GCC?=	yes
 .endif
 
 # Helper to shorten cargo calls.
 CARGO_CARGO_RUN= \
 	cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} ${CARGO_ENV} \
 		${CARGO_CARGO_BIN}
 
 # User arguments for cargo targets.
 CARGO_BUILD_ARGS?=
 CARGO_INSTALL_ARGS?=
+CARGO_INSTALL_PATH?=	.
 CARGO_TEST_ARGS?=
 CARGO_UPDATE_ARGS?=
 
 # Use module targets ?
 CARGO_BUILD?=	yes
 CARGO_CONFIGURE?=	yes
 CARGO_INSTALL?=	yes
 CARGO_TEST?=	yes
 
 # Set CARGO_USE_GIT{HUB,LAB} to yes if your application requires
 # some dependencies from git repositories hosted on GitHub or
 # GitLab instances.  All Cargo.toml files will be patched to point
 # to the right offline sources based on what is defined in
 # {GH,GL}_TUPLE.  This makes sure that cargo does not attempt to
 # access the network during the build.
 CARGO_USE_GITHUB?=	no
 CARGO_USE_GITLAB?=	no
 
 # Manage crate features.
 .if !empty(CARGO_FEATURES)
 CARGO_BUILD_ARGS+=	--features='${CARGO_FEATURES}'
 CARGO_INSTALL_ARGS+=	--features='${CARGO_FEATURES}'
 CARGO_TEST_ARGS+=	--features='${CARGO_FEATURES}'
 .endif
 
 .if !defined(WITH_DEBUG)
 CARGO_BUILD_ARGS+=	--release
 CARGO_TEST_ARGS+=	--release
 .else
 CARGO_INSTALL_ARGS+=	--debug
 .endif
 
 .if ${CARGO_CRATES:Mbacktrace-sys-[0-9]*}
 BUILD_DEPENDS+=	gmake:devel/gmake
 .endif
 
 .if ${CARGO_CRATES:Mcmake-[0-9]*}
 BUILD_DEPENDS+=	cmake:devel/cmake
 .endif
 
 .if ${CARGO_CRATES:Mgettext-sys-[0-9]*}
 CARGO_ENV+=	GETTEXT_BIN_DIR=${LOCALBASE}/bin \
 		GETTEXT_INCLUDE_DIR=${LOCALBASE}/include \
 		GETTEXT_LIB_DIR=${LOCALBASE}/lib
 .endif
 
 .for libc in ${CARGO_CRATES:Mlibc-[0-9]*}
 # FreeBSD 12.0 changed ABI: r318736 and r320043
 # https://github.com/rust-lang/libc/commit/78f93220d70e
 # https://github.com/rust-lang/libc/commit/969ad2b73cdc
 _libc_VER=	${libc:C/.*-//}
 . if ${_libc_VER:R:R} == 0 && (${_libc_VER:R:E} < 2 || ${_libc_VER:R:E} == 2 && ${_libc_VER:E} < 38)
 DEV_WARNING+=	"CARGO_CRATES=${libc} may be unstable on FreeBSD 12.0. Consider updating to the latest version (higher than 0.2.37)."
 . endif
 . if ${_libc_VER:R:R} == 0 && (${_libc_VER:R:E} < 2 || ${_libc_VER:R:E} == 2 && ${_libc_VER:E} < 49)
 DEV_WARNING+=	"CARGO_CRATES=${libc} may be unstable on aarch64 or not build on armv6, armv7, powerpc64. Consider updating to the latest version (higher than 0.2.49)."
 . endif
 .undef _libc_VER
 .endfor
 
 .if ${CARGO_CRATES:Mlibgit2-sys-[0-9]*}
 # Use the system's libgit2 instead of building the bundled version
 CARGO_ENV+=	LIBGIT2_SYS_USE_PKG_CONFIG=1
 .endif
 
 .if ${CARGO_CRATES:Mlibssh2-sys-[0-9]*}
 # Use the system's libssh2 instead of building the bundled version
 CARGO_ENV+=	LIBSSH2_SYS_USE_PKG_CONFIG=1
 .endif
 
 .if ${CARGO_CRATES:Monig_sys-[0-9]*}
 # onig_sys always prefers the system library but will try to link
 # statically with it.  Since devel/oniguruma doesn't provide a static
 # library it'll link to libonig.so instead.  Strictly speaking setting
 # RUSTONIG_SYSTEM_LIBONIG is not necessary, but will force onig_sys to
 # always use the system's libonig as returned by `pkg-config oniguruma`.
 CARGO_ENV+=	RUSTONIG_SYSTEM_LIBONIG=1
 .endif
 
 .if ${CARGO_CRATES:Mopenssl-0.[0-9].*}
 # FreeBSD 12.0 updated base OpenSSL in r339270:
 # https://github.com/sfackler/rust-openssl/commit/276577553501
 . if !exists(${PATCHDIR}/patch-openssl-1.1.1) # skip if backported
 _openssl_VER=	${CARGO_CRATES:Mopenssl-0.[0-9].*:C/.*-//}
 .  if ${_openssl_VER:R:R} == 0 && (${_openssl_VER:R:E} < 10 || ${_openssl_VER:R:E} == 10 && ${_openssl_VER:E} < 4)
 DEV_WARNING+=	"CARGO_CRATES=openssl-0.10.3 or older do not support OpenSSL 1.1.1. Consider updating to the latest version."
 .  endif
 . endif
 .undef _openssl_VER
 .endif
 
 .if ${CARGO_CRATES:Mopenssl-sys-[0-9]*}
 # Make sure that openssl-sys can find the correct version of OpenSSL
 CARGO_ENV+=	OPENSSL_LIB_DIR=${OPENSSLLIB} \
 		OPENSSL_INCLUDE_DIR=${OPENSSLINC}
 .endif
 
 .if ${CARGO_CRATES:Mpkg-config-[0-9]*}
 .include "${USESDIR}/pkgconfig.mk"
 .endif
 
 _USES_extract+=	600:cargo-extract
 cargo-extract:
 # target for preparing crates directory.  It will put all crates in
 # the local crates directory.
 	@${ECHO_MSG} "===>  Moving crates to ${CARGO_VENDOR_DIR}"
 	@${MKDIR} ${CARGO_VENDOR_DIR}
 .for _crate in ${CARGO_CRATES}
 	@${MV} ${WRKDIR}/${_crate} ${CARGO_VENDOR_DIR}/${_crate}
 	@${PRINTF} '{"package":"%s","files":{}}' \
 		$$(${SHA256} -q ${DISTDIR}/${CARGO_DIST_SUBDIR}/${_crate}.tar.gz) \
 		> ${CARGO_VENDOR_DIR}/${_crate}/.cargo-checksum.json
 	@if [ -r ${CARGO_VENDOR_DIR}/${_crate}/Cargo.toml.orig ]; then \
 		${MV} ${CARGO_VENDOR_DIR}/${_crate}/Cargo.toml.orig \
 			${CARGO_VENDOR_DIR}/${_crate}/Cargo.toml.orig-cargo; \
 	fi
 .endfor
 
 _CARGO_GIT_PATCH_CARGOTOML=
 .if ${CARGO_USE_GITHUB:tl} == "yes"
 .  for _group in ${GH_TUPLE:C@^[^:]*:[^:]*:[^:]*:(([^:/]*)?)((/.*)?)@\2@}
 _CARGO_GIT_PATCH_CARGOTOML:= ${_CARGO_GIT_PATCH_CARGOTOML} \
 	-e 's@git = "(https|http|git)://github.com/${GH_ACCOUNT_${_group}}/${GH_PROJECT_${_group}}(\.git)?"@path = "${WRKSRC_${_group}}"@'
 .  endfor
 .endif
 .if ${CARGO_USE_GITLAB:tl} == "yes"
 .  for _group in ${GL_TUPLE:C@^(([^:]*://[^:/]*(:[0-9]{1,5})?(/[^:]*[^/])?:)?)([^:]*):([^:]*):([^:]*)(:[^:/]*)((/.*)?)@\8@:S/^://}
 _CARGO_GIT_PATCH_CARGOTOML:= ${_CARGO_GIT_PATCH_CARGOTOML} \
 	-e 's@git = "${GL_SITE_${_group}}/${GL_ACCOUNT_${_group}}/${GL_PROJECT_${_group}}(\.git)?"@path = "${WRKSRC_${_group}}"@'
 .  endfor
 .endif
 
 .if !empty(_CARGO_GIT_PATCH_CARGOTOML)
 _USES_patch+=	600:cargo-patch-git
 
 cargo-patch-git:
 	@${FIND} ${WRKDIR} -name Cargo.toml -type f -exec \
 		${SED} -i.dist -E ${_CARGO_GIT_PATCH_CARGOTOML} {} +
 .endif
 
 .if !target(do-configure) && ${CARGO_CONFIGURE:tl} == "yes"
 # configure hook.  Place a config file for overriding crates-io index
 # by local source directory.
 do-configure:
 	@${MKDIR} ${WRKDIR}/.cargo
 	@${ECHO_CMD} "[source.cargo]" > ${WRKDIR}/.cargo/config
 	@${ECHO_CMD} "directory = '${CARGO_VENDOR_DIR}'" >> ${WRKDIR}/.cargo/config
 	@${ECHO_CMD} "[source.crates-io]" >> ${WRKDIR}/.cargo/config
 	@${ECHO_CMD} "replace-with = 'cargo'" >> ${WRKDIR}/.cargo/config
 	@if ! ${GREP} -qF '[profile.release]' ${CARGO_CARGOTOML}; then \
 		${ECHO_CMD} "" >> ${CARGO_CARGOTOML}; \
 		${ECHO_CMD} "[profile.release]" >> ${CARGO_CARGOTOML}; \
 		${ECHO_CMD} "opt-level = 2" >> ${CARGO_CARGOTOML}; \
 		${ECHO_CMD} "debug = false" >> ${CARGO_CARGOTOML}; \
 	fi
 	@${CARGO_CARGO_RUN} update \
 		--manifest-path ${CARGO_CARGOTOML} \
 		--verbose \
 		${CARGO_UPDATE_ARGS}
 .endif
 
 .if !target(do-build) && ${CARGO_BUILD:tl} == "yes"
 do-build:
 	@${CARGO_CARGO_RUN} build \
 		--manifest-path ${CARGO_CARGOTOML} \
 		--verbose \
 		${CARGO_BUILD_ARGS}
 .endif
 
 .if !target(do-install) && ${CARGO_INSTALL:tl} == "yes"
 do-install:
+.  for path in ${CARGO_INSTALL_PATH}
 	@${CARGO_CARGO_RUN} install \
-		--path . \
+		--path "${path}" \
 		--root "${STAGEDIR}${PREFIX}" \
 		--verbose \
 		${CARGO_INSTALL_ARGS}
 	@${RM} -- "${STAGEDIR}${PREFIX}/.crates.toml"
+.  endfor
 .endif
 
 .if !target(do-test) && ${CARGO_TEST:tl} == "yes"
 do-test:
 	@${CARGO_CARGO_RUN} test \
 		--manifest-path ${CARGO_CARGOTOML} \
 		--verbose \
 		${CARGO_TEST_ARGS}
 .endif
 
 #
 # Helper targets for port maintainers
 #
 
 # cargo-crates will output the crates list from Cargo.lock.  If there
 # is no Cargo.lock for some reason, try and generate it first.
 cargo-crates: extract
 	@if [ ! -r "${CARGO_CARGOLOCK}" ]; then \
 		${ECHO_MSG} "===> ${CARGO_CARGOLOCK} not found.  Trying to generate it..."; \
 		${CARGO_CARGO_RUN} generate-lockfile \
 			--manifest-path ${CARGO_CARGOTOML} \
 			--verbose; \
 	fi
 	@${SETENV} USE_GITHUB=${USE_GITHUB} \
 		${AWK} -f ${SCRIPTSDIR}/cargo-crates.awk ${CARGO_CARGOLOCK}
 
 # cargo-crates-licenses will try to grab license information from
 # all downloaded crates.
 cargo-crates-licenses: configure
 	@${FIND} ${CARGO_VENDOR_DIR} -name 'Cargo.toml' -maxdepth 2 \
 		-exec ${GREP} -H '^license' {} \; \
 		| ${SED} \
 		-e 's@^${CARGO_VENDOR_DIR}/@@' \
 		-e 's@/Cargo.toml:license.*= *"@|@' \
 		-e 's@"$$@@g' | sort | /usr/bin/column -t -s '|'
 .endif