-dnl Look for rewinddir.
-AC_CHECK_FUNCS(rewinddir)
-if test $ac_cv_func_rewinddir = no; then
- AC_CHECK_LIB(cposix, rewinddir)
-fi
-
-dnl Checks for library functions.
-AC_CHECK_FUNCS(popen)
-dnl # This should use 'AC_CHECK_FUNCS(mkstemp)' but that fails if
-dnl # the mkstemp exists in the library but isn't declared in the
-dnl # include file (e.g., in cygwin 1.1.2).
-AC_CACHE_CHECK([for mkstemp],
-xpdf_cv_func_mkstemp,
-[AC_TRY_LINK([#include <stdlib.h>
-#include <unistd.h>],
-[mkstemp("foo");],
-xpdf_cv_func_mkstemp=yes, xpdf_cv_func_mkstemp=no)])
-if test "$xpdf_cv_func_mkstemp" = yes; then
- AC_DEFINE(HAVE_MKSTEMP, 1, [Have mkstemp().])
-fi
-dnl Check for mkstemps, just like mkstemp.
-AC_CACHE_CHECK([for mkstemps],
-xpdf_cv_func_mkstemps,
-[AC_TRY_LINK([#include <stdlib.h>
-#include <unistd.h>],
-[mkstemps("foo", 0);],
-xpdf_cv_func_mkstemps=yes, xpdf_cv_func_mkstemps=no)])
-if test "$xpdf_cv_func_mkstemps" = yes; then
- AC_DEFINE(HAVE_MKSTEMPS, 1, [Have mkstemps().])
-fi
-
-dnl Check select argument type: on HP-UX before version 10, select
-dnl takes (int *) instead of (fd_set *).
-AC_CACHE_CHECK([whether select takes fd_set arguments],
-xpdf_cv_func_select_arg,
-[AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/time.h>
-#include <unistd.h>
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif],
-[fd_set fds;
-select(1, &fds, &fds, &fds, 0);],
-xpdf_cv_func_select_arg=yes, xpdf_cv_func_select_arg=no)])
-if test "$xpdf_cv_func_select_arg" != yes; then
- AC_DEFINE(SELECT_TAKES_INT, 1, [select() takes int, not fd_set arguments.])
-fi
-
-dnl Back to C for the library tests.
-AC_LANG_C