AC_CHECK_FUNC(modf, , AC_CHECK_LIB(m, modf))
dnl Checks for network libraries (nsl, socket)
-AC_CHECK_NETLIBS
+NMH_CHECK_NETLIBS
termcap_curses_order="termcap curses ncurses"
for lib in $termcap_curses_order; do
dnl CHECK STRUCTURES
dnl ----------------
+dnl For platforms such as FreeBSD that have tm_gmtoff in struct tm.
+dnl (FreeBSD has a timezone() function but not a timezone global
+dnl variable that is visible).
+AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
+
AC_STRUCT_DIRENT_D_TYPE
dnl Where is <signal.h> located? Needed as input for signames.awk