coreutils/m4/ftruncate.m4
Jim Meyering 9c52203523 Check for chsize.
Link with ftruncate.o unconditionally if ftruncate is missing.
This was required when cross-compiling to i586-mingw32msvc.
2001-04-21 14:08:00 +00:00

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#serial 3
# See if we need to emulate a missing ftruncate function using fcntl or chsize.
AC_DEFUN(jm_FUNC_FTRUNCATE,
[
AC_CHECK_FUNCS(ftruncate, , [ftruncate_missing=yes])
if test "$ftruncate_missing" = yes; then
AC_CHECK_HEADERS([unistd.h])
AC_CHECK_FUNCS([chsize])
AC_LIBOBJ(ftruncate)
fi
])