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--- configure.in.~1~ Tue Aug 3 13:36:22 1999
+++ configure.in Thu Nov 18 06:45:50 1999
@@ -69,6 +69,7 @@
dnl ##### Checks for header files.
AC_PATH_XTRA
AC_HEADER_DIRENT
+AC_CHECK_HEADERS(unistd.h)
dnl ##### Look for header that defines fd_set.
AC_MSG_CHECKING([fd_set and sys/select.h or sys/bsdtypes.h])
@@ -147,6 +148,9 @@
xpdf_cv_func_select_arg,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/time.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif],
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