AC_SEARCH_LIBS(sqrt, [am ffm fm fastm m])
AC_SEARCH_LIBS(ceil, m)
AC_SEARCH_LIBS(dlclose, dl)
+AC_SEARCH_LIBS(clock_gettime, rt)
base_LIBS="$LIBS"
LIBS=$save_LIBS
CPPFLAGS=$save_CPPFLAGS
+AC_MSG_CHECKING([for feenableexcept])
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define _GNU_SOURCE
+#include <fenv.h>]], [[feenableexcept(FE_DIVBYZERO)]])],
+[AC_DEFINE([HAVE_FEENABLEEXCEPT], 1, [define if system has fenableexcept])],
+AC_MSG_RESULT([yes]),
+AC_MSG_RESULT([no]))
+
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS( \
utils/propmerge/Makefile \
utils/TerraSync/Makefile \
utils/xmlgrep/Makefile \
+ utils/fgviewer/Makefile \
])
AC_OUTPUT