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authorLyude Paul <lyude@redhat.com>2019-04-24 16:11:31 -0400
committerLyude Paul <lyude@redhat.com>2019-05-07 17:38:01 -0400
commitef7c18b0361394567e2b964366ea3314c54b46a2 (patch)
treed79479fc5b8b1ad817fb84b4bf6644e3ec66c777 /lib/meson.build
parent6d404244a0e22601ffa121ee5c1e337451339719 (diff)
meson: Don't redefine gettid if the C library provides it
glibc 2.30+ will actually include a definition for gettid() that makes it so that users don't have to manually define a wrapper for it themselves with syscall(). We don't currently check for this, and as a result will end up redefining gettid() on the latest versions of glibc, causing the build to fail: FAILED: lib/76b5a35@@igt-igt_kmod_c@sta/igt_kmod.c.o In file included from /usr/include/unistd.h:1170, from ../../mnt/vol/lib/igt_core.h:43, from ../../mnt/vol/lib/igt_kmod.c:28: /usr/include/bits/unistd_ext.h:34:28: error: macro "gettid" passed 1 arguments, but takes just 0 34 | extern __pid_t gettid (void) __THROW; | ^ In file included from ../../mnt/vol/lib/igt_kmod.c:27: ../../mnt/vol/lib/igt_aux.h:40: note: macro "gettid" defined here 40 | #define gettid() syscall(__NR_gettid) | [36/771] Compiling C object 'lib/76b5a35@@igt-igt_kms_c@sta/igt_kms.c.o'. ninja: build stopped: subcommand failed. So, fix this by by adding some meson checks to define HAVE_GETTID whenever the host defines its own gettid(), and avoid redefining gettid() when HAVE_GETTID is defined. This fixes build igt-gpu-tools for me on Fedora Rawhide Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Petri Latvala <petri.latvala@intel.com> Signed-off-by: Lyude Paul <lyude@redhat.com>
Diffstat (limited to 'lib/meson.build')
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