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authorAlexey Neyman <stilor@att.net>2016-03-15 19:39:03 (GMT)
committerAlexey Neyman <stilor@att.net>2016-04-02 01:15:39 (GMT)
commit712b617a744aa941b99d32d9ff6d9126c77382fb (patch)
tree3ea6540f9e9642e0acd23329281a66ed15b50928
parent7ac327d6c33fa78f194e816beec0796901f5d002 (diff)
Unbreak sparc-unknown-linux-gnu.
GLIBC 2.23 dropped support for pre-v9 SPARC in pthreads. Pass host triplet with s/sparc/sparcv9/ replacement for 2.23. Signed-off-by: Alexey Neyman <stilor@att.net>
-rw-r--r--config/libc/glibc.in7
-rw-r--r--scripts/build/libc/glibc.sh19
2 files changed, 23 insertions, 3 deletions
diff --git a/config/libc/glibc.in b/config/libc/glibc.in
index fc7c85b..96879cc 100644
--- a/config/libc/glibc.in
+++ b/config/libc/glibc.in
@@ -74,7 +74,7 @@ choice
config LIBC_GLIBC_V_2_23
bool
prompt "2.23"
- select LIBC_GLIBC_2_20_or_later
+ select LIBC_GLIBC_2_23_or_later
config LIBC_GLIBC_V_2_22
bool
@@ -109,6 +109,11 @@ endchoice
endif # ! LIBC_GLIBC_CUSTOM
+# Checked by SPARC build: SPARCv8 is dropped in 2.23.
+config LIBC_GLIBC_2_23_or_later
+ select LIBC_GLIBC_2_20_or_later
+ bool
+
# DeMark 2.20 as no longer needs to set NPTL as an addon.
# It is no longer possible to build glibc without pthread!
config LIBC_GLIBC_2_20_or_later
diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh
index 0a09cbd..013c6eb 100644
--- a/scripts/build/libc/glibc.sh
+++ b/scripts/build/libc/glibc.sh
@@ -73,6 +73,7 @@ do_libc_backend() {
local multi_dir
local multi_flags
local extra_dir
+ local target
local libc_headers libc_startfiles libc_full
local hdr
local arg
@@ -136,11 +137,24 @@ do_libc_backend() {
CT_mkdir_pushd "${CT_BUILD_DIR}/build-libc-${libc_mode}${extra_dir//\//_}"
+ target=${CT_TARGET}
+ case "${target}" in
+ # SPARC quirk: glibc 2.23 and newer dropped support for SPARCv8 and
+ # earlier (corresponding pthread barrier code is missing). Until this
+ # support is reintroduced, configure as sparcv9.
+ sparc-*)
+ if [ "${CT_LIBC_GLIBC_2_23_or_later}" = y ]; then
+ target=${target/#sparc-/sparcv9-}
+ fi
+ ;;
+ esac
+
do_libc_backend_once extra_dir="${extra_dir}" \
extra_flags="${extra_flags}" \
libc_headers="${libc_headers}" \
libc_startfiles="${libc_startfiles}" \
- libc_full="${libc_full}"
+ libc_full="${libc_full}" \
+ target="${target}"
CT_Popd
@@ -192,6 +206,7 @@ do_libc_backend_once() {
local glibc_cflags
local float_extra
local endian_extra
+ local target
local arg
for arg in "$@"; do
@@ -341,7 +356,7 @@ do_libc_backend_once() {
"${src_dir}/configure" \
--prefix=/usr \
--build=${CT_BUILD} \
- --host=${CT_TARGET} \
+ --host=${target} \
--cache-file="$(pwd)/config.cache" \
--without-cvs \
--disable-profile \