Check for clock_gettime (moved from fileutils/configure.in)

Check for gettimeofday.

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index 30ce55c5900bf1e47fd3f65fa40746b39fe396cb..2dd2d818b1e9fc41f38fa7380fb3aa9a7f0c5409 100644 (file)
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -63,6 +63,13 @@ AC_DEFUN(jm_MACROS,
   dnl ...: warning: AC_TRY_RUN called without default to allow cross compiling
   AC_FUNC_SETVBUF_REVERSED
 
+  # used by sleep and shred
+  # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
+  # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
+  AC_SEARCH_LIBS(clock_gettime, [rt posix4])
+  AC_CHECK_FUNCS(clock_gettime)
+  AC_CHECK_FUNCS(gettimeofday)
+
   AM_FUNC_GETLINE
   if test $am_cv_func_working_getline != yes; then
     AC_CHECK_FUNCS(getdelim)