From: Guillaume Tucker <guillaume.tucker@collabora.com> To: Arkadiusz Hiler <arkadiusz.hiler@intel.com>, Petri Latvala <petri.latvala@intel.com>, "Ser, Simon" <simon.ser@intel.com> Cc: igt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [PATCH i-g-t v3 1/4] meson: add libatomic dependency Date: Tue, 18 Jun 2019 13:27:43 +0100 [thread overview] Message-ID: <20190618122746.61310-2-guillaume.tucker@collabora.com> (raw) In-Reply-To: <20190618122746.61310-1-guillaume.tucker@collabora.com> Add conditional dependency on libatomic in order to be able to use the __atomic_* functions instead of the older __sync_* ones. The libatomic library is only needed when there aren't any native support on the current architecture, so a linker test is used for this purpose. This enables atomic operations to be on a wider number of architectures including MIPS. Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com> --- Notes: v2: add linker test for libatomic v3: use null_dep meson.build | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/meson.build b/meson.build index 6268c58d3634..118ad667ffb5 100644 --- a/meson.build +++ b/meson.build @@ -180,6 +180,20 @@ realtime = cc.find_library('rt') dlsym = cc.find_library('dl') zlib = cc.find_library('z') +if cc.links(''' +#include <stdint.h> +int main(void) { + uint32_t x32 = 0; + uint64_t x64 = 0; + __atomic_load_n(&x32, __ATOMIC_SEQ_CST); + __atomic_load_n(&x64, __ATOMIC_SEQ_CST); + return 0; +}''', name : 'built-in atomics') + libatomic = null_dep +else + libatomic = cc.find_library('atomic') +endif + if cc.has_header('linux/kd.h') config.set('HAVE_LINUX_KD_H', 1) endif -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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From: Guillaume Tucker <guillaume.tucker@collabora.com> To: Arkadiusz Hiler <arkadiusz.hiler@intel.com>, Petri Latvala <petri.latvala@intel.com>, "Ser, Simon" <simon.ser@intel.com> Cc: igt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH i-g-t v3 1/4] meson: add libatomic dependency Date: Tue, 18 Jun 2019 13:27:43 +0100 [thread overview] Message-ID: <20190618122746.61310-2-guillaume.tucker@collabora.com> (raw) In-Reply-To: <20190618122746.61310-1-guillaume.tucker@collabora.com> Add conditional dependency on libatomic in order to be able to use the __atomic_* functions instead of the older __sync_* ones. The libatomic library is only needed when there aren't any native support on the current architecture, so a linker test is used for this purpose. This enables atomic operations to be on a wider number of architectures including MIPS. Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com> --- Notes: v2: add linker test for libatomic v3: use null_dep meson.build | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/meson.build b/meson.build index 6268c58d3634..118ad667ffb5 100644 --- a/meson.build +++ b/meson.build @@ -180,6 +180,20 @@ realtime = cc.find_library('rt') dlsym = cc.find_library('dl') zlib = cc.find_library('z') +if cc.links(''' +#include <stdint.h> +int main(void) { + uint32_t x32 = 0; + uint64_t x64 = 0; + __atomic_load_n(&x32, __ATOMIC_SEQ_CST); + __atomic_load_n(&x64, __ATOMIC_SEQ_CST); + return 0; +}''', name : 'built-in atomics') + libatomic = null_dep +else + libatomic = cc.find_library('atomic') +endif + if cc.has_header('linux/kd.h') config.set('HAVE_LINUX_KD_H', 1) endif -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2019-06-18 12:27 UTC|newest] Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-18 12:27 [PATCH i-g-t v3 0/4] Use C11 atomics Guillaume Tucker 2019-06-18 12:27 ` [igt-dev] " Guillaume Tucker 2019-06-18 12:27 ` Guillaume Tucker [this message] 2019-06-18 12:27 ` [Intel-gfx] [PATCH i-g-t v3 1/4] meson: add libatomic dependency Guillaume Tucker 2019-06-18 13:20 ` Ser, Simon 2019-06-18 13:20 ` [igt-dev] " Ser, Simon 2019-06-18 13:59 ` Guillaume Tucker 2019-06-18 13:59 ` [igt-dev] " Guillaume Tucker 2019-06-18 14:37 ` Ser, Simon 2019-06-18 14:37 ` [igt-dev] " Ser, Simon 2019-06-18 16:03 ` Guillaume Tucker 2019-06-18 16:03 ` [igt-dev] " Guillaume Tucker 2019-06-19 6:42 ` Ser, Simon 2019-06-19 6:42 ` [igt-dev] " Ser, Simon 2019-06-19 7:24 ` Guillaume Tucker 2019-06-19 7:24 ` [igt-dev] " Guillaume Tucker 2019-06-18 12:27 ` [PATCH i-g-t v3 2/4] gitlab-ci: add libatomic to docker images Guillaume Tucker 2019-06-18 12:27 ` [igt-dev] " Guillaume Tucker 2019-06-19 6:50 ` Ser, Simon 2019-06-19 6:50 ` [igt-dev] " Ser, Simon 2019-06-19 8:09 ` Guillaume Tucker 2019-06-19 8:09 ` [igt-dev] " Guillaume Tucker 2019-06-18 12:27 ` [PATCH i-g-t v3 3/4] i915/gem_create: use atomic_* instead of __sync_* Guillaume Tucker 2019-06-18 12:27 ` [igt-dev] " Guillaume Tucker 2019-06-18 12:27 ` [PATCH i-g-t v3 4/4] tests/sw_sync: " Guillaume Tucker 2019-06-18 12:27 ` [Intel-gfx] " Guillaume Tucker 2019-06-18 13:31 ` [igt-dev] ✗ Fi.CI.BAT: failure for Use C11 atomics (rev2) Patchwork 2019-06-19 6:52 ` Ser, Simon 2019-06-19 7:02 ` Saarinen, Jani 2019-06-19 7:32 ` Peres, Martin 2019-06-19 7:46 ` Guillaume Tucker 2019-06-19 8:05 ` [igt-dev] ✓ Fi.CI.BAT: success for Use C11 atomics (rev3) Patchwork 2019-06-19 21:21 ` [igt-dev] ✓ Fi.CI.IGT: " Patchwork
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