commit:     c0718dbc84ed51edd184446fc0d9cde7195e25a0
Author:     Dirkjan Ochtman <djc <AT> gentoo <DOT> org>
AuthorDate: Mon Nov 19 16:41:47 2018 +0000
Commit:     Dirkjan Ochtman <djc <AT> gentoo <DOT> org>
CommitDate: Mon Nov 19 16:42:01 2018 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=c0718dbc

dev-lang/rust: check reqs, ewarn about cargo symlink

Fixes: https://bugs.gentoo.org/626134
Fixes: https://bugs.gentoo.org/626742
Fixes: https://bugs.gentoo.org/663354
Fixes: https://bugs.gentoo.org/671182
Signed-off-by: Dirkjan Ochtman <djc <AT> gentoo.org>
Package-Manager: Portage-2.3.51, Repoman-2.3.11

 dev-lang/rust/rust-1.30.1-r1.ebuild | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/dev-lang/rust/rust-1.30.1-r1.ebuild 
b/dev-lang/rust/rust-1.30.1-r1.ebuild
index 620583b6ecb..5133dec80f5 100644
--- a/dev-lang/rust/rust-1.30.1-r1.ebuild
+++ b/dev-lang/rust/rust-1.30.1-r1.ebuild
@@ -5,7 +5,7 @@ EAPI=6
 
 PYTHON_COMPAT=( python2_7 python3_{5,6} pypy )
 
-inherit eapi7-ver llvm multiprocessing multilib-build python-any-r1 
rust-toolchain toolchain-funcs
+inherit check-reqs eapi7-ver estack flag-o-matic llvm multiprocessing 
multilib-build python-any-r1 rust-toolchain toolchain-funcs
 
 if [[ ${PV} = *beta* ]]; then
        betaver=${PV//*beta}
@@ -68,7 +68,24 @@ toml_usex() {
        usex "$1" true false
 }
 
+pre_build_checks() {
+       CHECKREQS_DISK_BUILD="7G"
+       CHECKREQS_MEMORY="4G"
+       eshopts_push -s extglob
+       if is-flagq '-g?(gdb)?([1-9])'; then
+               CHECKREQS_DISK_BUILD="10G"
+               CHECKREQS_MEMORY="16G"
+       fi
+       eshopts_pop
+       check-reqs_pkg_setup
+}
+
+pkg_pretend() {
+       pre_build_checks
+}
+
 pkg_setup() {
+       pre_build_checks
        python-any-r1_pkg_setup
        llvm_pkg_setup
 }
@@ -256,6 +273,10 @@ pkg_postinst() {
        elog "Rust installs a helper script for calling GDB and LLDB,"
        elog "for your convenience it is installed under 
/usr/bin/rust-{gdb,lldb}-${PV}."
 
+       ewarn "cargo is now installed from dev-lang/rust{,-bin} instead of 
dev-util/cargo."
+       ewarn "This might have resulted in a dangling symlink for 
/usr/bin/cargo on some"
+       ewarn "systems. This can be resolved by calling 'sudo eselect rust set 
${P}'."
+
        if has_version app-editors/emacs || has_version app-editors/emacs-vcs; 
then
                elog "install app-emacs/rust-mode to get emacs support for 
rust."
        fi

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