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meson: fix getrandom detection for uclibc 

The getrandom() detection from meson.build fails with the following error
message:

  .../host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/sys/random.h:27:35: error: unknown type name 'size_t'
     27 | extern int getrandom(void *__buf, size_t count, unsigned int flags)
        |                                   ^~~~~~
  .../host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/sys/random.h:8:1: note: 'size_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?

Fix it by adding stddef.h include to the meson getrandom() detection.

Fixes:

  ../src/pipewire/impl-core.c:54:9: error: conflicting types for ‘getrandom’
     54 | ssize_t getrandom(void *buf, size_t buflen, unsigned int flags) {
        |         ^~~~~~~~~
  In file included from ../src/pipewire/impl-core.c:34:
  .../host/x86_64-buildroot-linux-uclibc/sysroot/usr/include/sys/random.h:27:12: note: previous declaration of ‘getrandom’ was here
     27 | extern int getrandom(void *__buf, size_t count, unsigned int flags)
        |            ^~~~~~~~~

[Retrieved from:
https://git.buildroot.net/buildroot/tree/package/pipewire/0001-meson-fix-getrandom-detection-for-uclibc.patch]
This commit is contained in:
Peter Seiderer 2021-07-24 22:08:07 +02:00 committed by Wim Taymans
parent 8b5601947c
commit 6af1388d66
1 changed files with 1 additions and 1 deletions
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meson.build
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@ -277,7 +277,7 @@ if cc.has_function('memfd_create', prefix : '#include <sys/mman.h>', args : [ '-
cdata.set('HAVE_MEMFD_CREATE', 1)
endif
if cc.has_function('getrandom', prefix : '#include <sys/random.h>', args : [ '-D_GNU_SOURCE' ])
if cc.has_function('getrandom', prefix : '#include <stddef.h>\n#include <sys/random.h>', args : [ '-D_GNU_SOURCE' ])
cdata.set('HAVE_GETRANDOM', 1)
endif