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autotools: check for sched_getcpu() 

sched_getcpu() is glibc-only, so not portable. Mac OS X
does not have it, and has no obvious replacement function.

This commit will allow future code to test for the existence
of this function, to provide fallbacks instead of making
compilation fail.
This commit is contained in:
Jean Guyomarc'h 2016-05-28 13:35:54 +02:00
parent fc74475415
commit 9e761c9515
2 changed files with 10 additions and 1 deletions
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2
configure.ac
View File

@ -649,7 +649,7 @@ pause \
AC_FUNC_ALLOCA
AC_FUNC_MMAP
EFL_CHECK_FUNCS([EFLALL], [fnmatch gettimeofday dirfd fcntl])
EFL_CHECK_FUNCS([EFLALL], [fnmatch gettimeofday dirfd fcntl sched_getcpu])
have_atfile_source="${ac_cv_func_fstatat}"
AC_DEFINE_IF([HAVE_ATFILE_SOURCE],

9
m4/efl_check_funcs.m4
View File

@ -172,6 +172,15 @@ case "$host_os" in
esac
])
dnl _EFL_CHECK_FUNC_SCHED_GETCPU is for internal use
dnl _EFL_CHECK_FUNC_SCHED_GETCPU(EFL, VARIABLE)
AC_DEFUN([_EFL_CHECK_FUNC_SCHED_GETCPU],
[
EFL_CHECK_LIB_CODE([$1], [], [$2], [[
#include <sched.h>
]], [[int cpu = sched_getcpu();]])
])
dnl _EFL_CHECK_FUNC_GETTIMEOFDAY is for internal use
dnl _EFL_CHECK_FUNC_GETTIMEOFDAY(EFL, VARIABLE)
AC_DEFUN([_EFL_CHECK_FUNC_GETTIMEOFDAY],