dnl CF_FUNC_POPEN version: 1 updated: 2013/10/28 19:42:35
dnl -------------
dnl Check for popen, and optionally provide our own.
AC_DEFUN([CF_FUNC_POPEN],[
AC_HAVE_FUNCS(popen)
if test "x$ac_cv_func_popen" = xno
then
	ifelse([$1],,:,[
	ifelse([$2],,,[CPPFLAGS="$CPPFLAGS -I$2"])
	EXTRA_OBJS="$EXTRA_OBJS $1.o"
	])
else
	CF_POPEN_TEST
fi
AC_SUBST(EXTRA_OBJS)
])
