Revert "glibc: Fix SVE detection on aarch64"

This reverts commit 0ffc861b49aeb29a37020c942bf5ab70fefec6a9.

diff --git a/meta/recipes-core/glibc/glibc/0023-aarch64-configure-Pass-mcpu-along-with-march-to-dete.patch b/meta/recipes-core/glibc/glibc/0023-aarch64-configure-Pass-mcpu-along-with-march-to-dete.patch
deleted file mode 100644 (file)
index 7be9fc9..0000000
--- a/meta/recipes-core/glibc/glibc/0023-aarch64-configure-Pass-mcpu-along-with-march-to-dete.patch
+++ /dev/null
@@ -1,56 +0,0 @@
-From d836f008a96aa9b2e88c7b394bfc110542e57176 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Fri, 4 Aug 2023 09:34:50 -0700
-Subject: [PATCH] aarch64/configure: Pass -mcpu along with -march to detect sve
- support
-
-SVE support logic in configure is rightly passing -march=<arch>+sve to
-compiler to override whatever user might have passed via environment,
-however GCC does not do as intended when -mcpu is part of environment
-compiler flags, then it overrides the -march computed from -mcpu and
-igonores other -march values so this test fails for lot of aarch64
-machines which pass -mcpu that does not support sve. This is seemingly a
-bug in GCC [1], until that is fixed we preempt -mcpu along with -march
-in the configure test itself. It does not change functionality and yet
-lets us through the GCC inconsistency.
-
-[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110901
-
-Upstream-Status: Inappropriate [Workaround for a GCC issue]
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
-
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- sysdeps/aarch64/configure    | 2 +-
- sysdeps/aarch64/configure.ac | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/sysdeps/aarch64/configure b/sysdeps/aarch64/configure
-index 5e91fab023..39dddc66d4 100644
---- a/sysdeps/aarch64/configure
-+++ b/sysdeps/aarch64/configure
-@@ -327,7 +327,7 @@ else $as_nop
-   cat > conftest.s <<\EOF
-         ptrue p0.b
- EOF
--if { ac_try='${CC-cc} -c -march=armv8.2-a+sve conftest.s 1>&5'
-+if { ac_try='${CC-cc} -c -mcpu=generic+sve -march=armv8.2-a+sve conftest.s 1>&5'
-   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-diff --git a/sysdeps/aarch64/configure.ac b/sysdeps/aarch64/configure.ac
-index 8a708f2ef4..b6a146d2be 100644
---- a/sysdeps/aarch64/configure.ac
-+++ b/sysdeps/aarch64/configure.ac
-@@ -92,7 +92,7 @@ AC_CACHE_CHECK([for SVE support in assembler], [libc_cv_aarch64_sve_asm], [dnl
- cat > conftest.s <<\EOF
-         ptrue p0.b
- EOF
--if AC_TRY_COMMAND(${CC-cc} -c -march=armv8.2-a+sve conftest.s 1>&AS_MESSAGE_LOG_FD); then
-+if AC_TRY_COMMAND(${CC-cc} -c -mcpu=generic+sve -march=armv8.2-a+sve conftest.s 1>&AS_MESSAGE_LOG_FD); then
-   libc_cv_aarch64_sve_asm=yes
- else
-   libc_cv_aarch64_sve_asm=no
--- 
-2.41.0
-

diff --git a/meta/recipes-core/glibc/glibc_2.38.bb b/meta/recipes-core/glibc/glibc_2.38.bb
index 32ccb888f0fa1fcf94371c45f7fc548577901f1b..c02730bcb58cd39d0c991c1276bfc0ebf2e6f14d 100644 (file)
--- a/meta/recipes-core/glibc/glibc_2.38.bb
+++ b/meta/recipes-core/glibc/glibc_2.38.bb
@@ -50,7 +50,6 @@ SRC_URI =  "${GLIBC_GIT_URI};branch=${SRCBRANCH};name=glibc \
            file://0020-tzselect.ksh-Use-bin-sh-default-shell-interpreter.patch \
            file://0021-fix-create-thread-failed-in-unprivileged-process-BZ-.patch \
            file://0022-Avoid-hardcoded-build-time-paths-in-the-output-binar.patch \
-           file://0023-aarch64-configure-Pass-mcpu-along-with-march-to-dete.patch \
 "
 S = "${WORKDIR}/git"
 B = "${WORKDIR}/build-${TARGET_SYS}"
@@ -87,7 +86,6 @@ EXTRA_OECONF:append:x86 = " ${@bb.utils.contains_any('TUNE_FEATURES', 'i586 c3',
 EXTRA_OECONF:append:x86-64 = " --enable-cet"
 
 PACKAGECONFIG ??= "nscd memory-tagging"
-
 PACKAGECONFIG[nscd] = "--enable-nscd,--disable-nscd"
 PACKAGECONFIG[memory-tagging] = "--enable-memory-tagging,--disable-memory-tagging"