AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"],
[CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
-AC_HEADER_STDC
AC_HEADER_TIOCGWINSZ
-AC_CHECK_HEADERS([errno.h fcntl.h crypt.h ncurses/termcap.h termcap.h \
- langinfo.h wchar.h wctype.h iconv.h netdb.h \
- sys/param.h sys/time.h sys/stream.h])
+AC_CHECK_HEADERS([fcntl.h ncurses/termcap.h termcap.h langinfo.h \
+ wchar.h wctype.h sys/param.h sys/time.h sys/stream.h])
- dnl
- dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
- dnl really use a whole set of them, but this check should be
- dnl sufficient.
- dnl
- AC_CHECK_HEADER(libio.h, [
- AC_EGREP_HEADER(_IO_write_ptr, libio.h, [
- AC_DEFINE(LINUX_STDIO,1,[Use the Linux _IO_*_ptr defines from <libio.h>.]) ]) ])
-
AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
[Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
[[#if HAVE_SYS_STREAM_H