On Fri, Apr 19, 2024 at 1:56 PM James Le Cuirot <
chewi@gentoo.org> wrote:
On Fri, 2024-04-19 at 12:14 -0400, Mike Gilbert wrote:
When using the CBUILD toolchain, it makes no sense to look for headers
and libraries in the CHOST-based SYSROOT.
Signed-off-by: Mike Gilbert <floppym@gentoo.org>
---
eclass/toolchain-funcs.eclass | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass index cde84e6f34c8..58a718180079 100644
--- a/eclass/toolchain-funcs.eclass
+++ b/eclass/toolchain-funcs.eclass
@@ -1,4 +1,4 @@
-# Copyright 2002-2023 Gentoo Authors
+# Copyright 2002-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: toolchain-funcs.eclass
@@ -384,6 +384,12 @@ tc-export_build_env() {
# the target build system does not check.
tc-env_build() {
tc-export_build_env
+ local -x SYSROOT=
+ if [[ ${EAPI} == 6 ]]; then
+ local -x ESYSROOT=${EPREFIX}
+ else
+ local -x ESYSROOT=${BROOT}
+ fi
CFLAGS=${BUILD_CFLAGS} \
CXXFLAGS=${BUILD_CXXFLAGS} \
CPPFLAGS=${BUILD_CPPFLAGS} \
What do you need this for? Just wondering because I wouldn't have thought anything you wrap with tc-env_build would care about ESYSROOT.
I ran into this when converting dev-build/ninja to use cmake.eclass.
Basically, I need to invoke ninja to build its own docs. I accomplish
this by building a second "native" (CBUILD) copy of ninja when
cross-compiling.
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=1122aa04647a60de150811c133490d248de4bc43
cmake.eclass utilizes ESYSROOT when SYSROOT is not empty.
https://gitweb.gentoo.org/repo/gentoo.git/tree/eclass/cmake.eclass?id=1122aa04647a60de150811c133490d248de4bc43#n503
If I don't set SYSROOT to empty when building the "native" ninja, it
explodes with a segfault when I invoke it in the ebuild.
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