time: Use clock_gettime if the monotonic clock is available

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/configure b/configure
index 22b699f9ef..af0128a241 100755
--- a/configure
+++ b/configure
@@ -1432,6 +1432,7 @@ MATH_FUNCS="
 
 SYSTEM_FUNCS="
     aligned_malloc
+    clock_gettime
     closesocket
     CommandLineToArgvW
     CoTaskMemFree
@@ -4038,6 +4039,9 @@ check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
 check_func  ${malloc_prefix}memalign            && enable memalign
 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
 
+check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
+    check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt; }
+
 check_func  fcntl
 check_func  fork
 check_func  gethrtime