# Check for GNU libc feenableexcept
AC_CHECK_LIB([m],[feenableexcept],[have_feenableexcept=yes AC_DEFINE([HAVE_FEENABLEEXCEPT],[1],[libm includes feenableexcept])])
-# At least for glibc, clock_gettime is in librt. But don't pull that
-# in if it still doesn't give us the function we want.
-# This test is copied from libgomp, and modified to not link in -lrt
-# as libgfortran calls clock_gettime via a weak reference.
+# At least for glibc and Tru64, clock_gettime is in librt. But don't
+# pull that in if it still doesn't give us the function we want. This
+# test is copied from libgomp, and modified to not link in -lrt as
+# libgfortran calls clock_gettime via a weak reference if it's found
+# in librt.
if test $ac_cv_func_clock_gettime = no; then
AC_CHECK_LIB(rt, clock_gettime,
- [AC_DEFINE(HAVE_CLOCK_GETTIME, 1,
- [Define to 1 if you have the `clock_gettime' function.])])
+ [AC_DEFINE(HAVE_CLOCK_GETTIME_LIBRT, 1,
+ [Define to 1 if you have the `clock_gettime' function in librt.])])
fi
# Check for SysV fpsetmask