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From: "Georgy Yakovlev" <gyakovlev@gentoo.org>
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Subject: [gentoo-commits] repo/gentoo:master commit in: eclass/, sys-devel/gcc/
X-VCS-Repository: repo/gentoo
X-VCS-Files: eclass/toolchain.eclass sys-devel/gcc/metadata.xml
X-VCS-Directories: eclass/ sys-devel/gcc/
X-VCS-Committer: gyakovlev
X-VCS-Committer-Name: Georgy Yakovlev
X-VCS-Revision: bc0ab18a5714c4867f7cd42631b44f541d9f4aa1
X-VCS-Branch: master
Date: Sun, 4 Dec 2022 22:21:17 +0000 (UTC)
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commit: bc0ab18a5714c4867f7cd42631b44f541d9f4aa1
Author: Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
AuthorDate: Wed Nov 30 18:23:39 2022 +0000
Commit: Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
CommitDate: Sun Dec 4 22:20:45 2022 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bc0ab18a
eclass/toolchain.eclass: add USE=ieee-long-double for sys-devel/gcc
Bug: https://bugs.gentoo.org/882815
Signed-off-by: Georgy Yakovlev <gyakovlev <AT> gentoo.org>
eclass/toolchain.eclass | 8 ++++++++
sys-devel/gcc/metadata.xml | 1 +
2 files changed, 9 insertions(+)
diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index f3989ad8b6e6..3841379f94ca 100644
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -277,6 +277,7 @@ if [[ ${PN} != kgcc64 && ${PN} != gcc-* ]] ; then
tc_version_is_at_least 10 && IUSE+=" zstd" TC_FEATURES+=( zstd )
tc_version_is_at_least 11 && IUSE+=" valgrind" TC_FEATURES+=( valgrind )
tc_version_is_at_least 11 && IUSE+=" custom-cflags"
+ tc_version_is_at_least 12 && IUSE+=" ieee-long-double"
tc_version_is_at_least 12.99 && IUSE+=" default-znow"
tc_version_is_at_least 12.99 && IUSE+=" default-stack-clash-protection"
fi
@@ -1326,6 +1327,13 @@ toolchain_src_configure() {
# - bug #704784
# - https://gcc.gnu.org/PR93157
[[ ${CTARGET} == powerpc64-*-musl ]] && confgcc+=( --with-abi=elfv2 )
+
+ if in_iuse ieee-long-double; then
+ # musl requires 64-bit long double, not IBM double-double or IEEE quad.
+ if [[ ${CTARGET} == powerpc64le-*-gnu ]]; then
+ use ieee-long-double && confgcc+=( --with-long-double-format=ieee )
+ fi
+ fi
;;
riscv)
# Add --with-abi flags to set default ABI
diff --git a/sys-devel/gcc/metadata.xml b/sys-devel/gcc/metadata.xml
index 7277b7cace85..8c2257393b78 100644
--- a/sys-devel/gcc/metadata.xml
+++ b/sys-devel/gcc/metadata.xml
@@ -14,6 +14,7 @@
<flag name="fixed-point">Enable fixed-point arithmetic support for MIPS targets in gcc (Warning: significantly increases compile time!)</flag>
<flag name="go">Build the GCC Go language frontend.</flag>
<flag name="graphite">Add support for the framework for loop optimizations based on a polyhedral intermediate representation</flag>
+ <flag name="ieee-long-double">Use accelerated 128-bit IEEE long double ABI (ppc64le only)</flag>
<flag name="jit">Enable libgccjit so other applications can embed gcc for Just-In-Time compilation.</flag>
<flag name="libssp">Build SSP support into a dedicated library rather than use the code in the C library (DO NOT ENABLE THIS IF YOU DON'T KNOW WHAT IT DOES)</flag>
<flag name="lto">Build using Link Time Optimizations (LTO)</flag>