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configure: Check whether clock_gettime is available.

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Martin Ling 2018-09-23 17:22:20 +01:00
parent 573feabc63
commit 46bdc20c26
1 changed files with 4 additions and 0 deletions
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4
configure.ac
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@ -129,6 +129,10 @@ AC_CHECK_TYPES([struct serial_struct],,, [[#include <linux/serial.h>]])
# Check for realpath().
AC_CHECK_FUNC([realpath], [AC_DEFINE(HAVE_REALPATH, 1, [realpath is available.])], [])
# Check for clock_gettime().
AC_CHECK_FUNC([clock_gettime],
[AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [clock_gettime is available.])], [])
AC_CACHE_CHECK([for visibility control], [sp_cv_visibility_control], [
sp_saved_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Werror"