The patch is missing your S-o-b.

Ross

> On 27 Jul 2022, at 13:00, Otavio Salvador via lists.openembedded.org 
> <[email protected]> wrote:
> 
> Backport a fix from 1.0.27 so we only link atomic if no atomic builtins
> are available.
> 
> Signed-off-by: Otavio Salvador <[email protected]>
> ---
> ...k-with-latomic-only-if-no-atomic-bui.patch | 51 +++++++++++++++++++
> meta/recipes-support/libusb/libusb1_1.0.26.bb |  1 +
> 2 files changed, 52 insertions(+)
> create mode 100644 
> meta/recipes-support/libusb/libusb1/0001-configure.ac-Link-with-latomic-only-if-no-atomic-bui.patch
> 
> diff --git 
> a/meta/recipes-support/libusb/libusb1/0001-configure.ac-Link-with-latomic-only-if-no-atomic-bui.patch
>  
> b/meta/recipes-support/libusb/libusb1/0001-configure.ac-Link-with-latomic-only-if-no-atomic-bui.patch
> new file mode 100644
> index 0000000000..7c20dc0478
> --- /dev/null
> +++ 
> b/meta/recipes-support/libusb/libusb1/0001-configure.ac-Link-with-latomic-only-if-no-atomic-bui.patch
> @@ -0,0 +1,51 @@
> +From a6890a6a9a8f88b567631874e209aaadc79e28e5 Mon Sep 17 00:00:00 2001
> +From: Lonnie Abelbeck <[email protected]>
> +Date: Sun, 8 May 2022 14:05:56 -0500
> +Subject: [PATCH] configure.ac: Link with -latomic only if no atomic builtins
> +
> +Follow-up to 561dbda, a check of GCC atomic builtins needs to be done
> +first.
> +
> +I'm no autoconf guru, but using this:
> +https://github.com/mesa3d/mesa/blob/0df485c285b73c34ba9062f0c27e55c3c702930d/configure.ac#L469
> +as inspiration, I created a pre-check before calling AC_SEARCH_LIBS(...)
> +
> +Upstream-Status: Backport [1.0.27]
> +
> +Fixes #1135
> +Closes #1139
> +(cherry picked from commit 95e601ce116dd46ea7915c171976b85ea0905d58)
> +---
> + configure.ac | 16 +++++++++++++++-
> + 1 file changed, 15 insertions(+), 1 deletion(-)
> +
> +diff --git a/configure.ac b/configure.ac
> +index d4f12510..96787500 100644
> +--- a/configure.ac
> ++++ b/configure.ac
> +@@ -153,7 +153,21 @@ if test "x$platform" = xposix; then
> +     AC_SEARCH_LIBS([pthread_create], [pthread],
> +             [test "x$ac_cv_search_pthread_create" != "xnone required" && 
> AC_SUBST(THREAD_LIBS, [-lpthread])],
> +             [], [])
> +-    AC_SEARCH_LIBS([__atomic_fetch_add_4], [atomic])
> ++    dnl Check for new-style atomic builtins. We first check without linking 
> to -latomic.
> ++    AC_MSG_CHECKING(whether __atomic_load_n is supported)
> ++    AC_LINK_IFELSE([AC_LANG_SOURCE([[
> ++    #include <stdint.h>
> ++    int main() {
> ++            struct {
> ++                    uint64_t *v;
> ++            } x;
> ++            return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
> ++                   (int)__atomic_add_fetch(x.v, (uint64_t)1, 
> __ATOMIC_ACQ_REL);
> ++    }]])], GCC_ATOMIC_BUILTINS_SUPPORTED=yes, 
> GCC_ATOMIC_BUILTINS_SUPPORTED=no)
> ++    AC_MSG_RESULT($GCC_ATOMIC_BUILTINS_SUPPORTED)
> ++    if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" != xyes; then
> ++            AC_SEARCH_LIBS([__atomic_fetch_add_4], [atomic])
> ++    fi
> + elif test "x$platform" = xwindows; then
> +     AC_DEFINE([PLATFORM_WINDOWS], [1], [Define to 1 if compiling for a 
> Windows platform.])
> + else
> +-- 
> +2.37.0
> +
> diff --git a/meta/recipes-support/libusb/libusb1_1.0.26.bb 
> b/meta/recipes-support/libusb/libusb1_1.0.26.bb
> index fd63e7adc2..ff3f0be7a5 100644
> --- a/meta/recipes-support/libusb/libusb1_1.0.26.bb
> +++ b/meta/recipes-support/libusb/libusb1_1.0.26.bb
> @@ -11,6 +11,7 @@ LIC_FILES_CHKSUM = 
> "file://COPYING;md5=fbc093901857fcd118f065f900982c24"
> BBCLASSEXTEND = "native nativesdk"
> 
> SRC_URI = 
> "https://github.com/libusb/libusb/releases/download/v${PV}/libusb-${PV}.tar.bz2
>  \
> +           
> file://0001-configure.ac-Link-with-latomic-only-if-no-atomic-bui.patch \
>            file://run-ptest \
>           "
> 
> -- 
> 2.37.0
> 
> 
> 
> 

-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#168569): 
https://lists.openembedded.org/g/openembedded-core/message/168569
Mute This Topic: https://lists.openembedded.org/mt/92647443/21656
Group Owner: [email protected]
Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub 
[[email protected]]
-=-=-=-=-=-=-=-=-=-=-=-

Reply via email to