diff --git a/src/auto/configure b/src/auto/configure
index c85dec9..e66162f 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -13771,7 +13771,7 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }; $as_echo "#define HAVE_DIRFD 1" >>confdefs.h
 
@@ -13779,7 +13779,8 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: not usable" >&5
 $as_echo "not usable" >&6; }
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock" >&5
 $as_echo_n "checking for flock... " >&6; }
@@ -13794,7 +13795,7 @@
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+if ac_fn_c_try_link "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }; $as_echo "#define HAVE_FLOCK 1" >>confdefs.h
 
@@ -13802,7 +13803,8 @@
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: not usable" >&5
 $as_echo "not usable" >&6; }
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysctl" >&5
 $as_echo_n "checking for sysctl... " >&6; }
diff --git a/src/configure.ac b/src/configure.ac
index a2683a6..6176dc9 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -4013,7 +4013,7 @@
 
 dnl check for dirfd()
 AC_MSG_CHECKING(for dirfd)
-AC_TRY_COMPILE(
+AC_TRY_LINK(
 [#include <sys/types.h>
 #include <dirent.h>],
 [DIR * dir=opendir("dirname"); dirfd(dir);],
@@ -4021,7 +4021,7 @@
 
 dnl check for flock()
 AC_MSG_CHECKING(for flock)
-AC_TRY_COMPILE(
+AC_TRY_LINK(
 [#include <sys/file.h>],
 [flock(10, LOCK_SH);],
 AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOCK), AC_MSG_RESULT(not usable))
diff --git a/src/fileio.c b/src/fileio.c
index 3611093..aa6596d 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -24,6 +24,11 @@
 // Is there any system that doesn't have access()?
 #define USE_MCH_ACCESS
 
+#if defined(__hpux) && !defined(HAVE_DIRFD)
+# define dirfd(x) ((x)->__dd_fd)
+# define HAVE_DIRFD
+#endif
+
 static char_u *next_fenc(char_u **pp, int *alloced);
 #ifdef FEAT_EVAL
 static char_u *readfile_charconvert(char_u *fname, char_u *fenc, int *fdp);
diff --git a/src/globals.h b/src/globals.h
index 1a764b5..7dbc49e 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -773,7 +773,8 @@
 EXTERN int	sc_col;		// column for shown command
 
 #ifdef TEMPDIRNAMES
-# if defined(UNIX) && defined(HAVE_FLOCK) && defined(HAVE_DIRFD)
+# if defined(UNIX) && defined(HAVE_FLOCK) \
+	&& (defined(HAVE_DIRFD) || defined(__hpux))
 EXTERN DIR	*vim_tempdir_dp INIT(= NULL); // File descriptor of temp dir
 # endif
 EXTERN char_u	*vim_tempdir INIT(= NULL); // Name of Vim's own temp dir.
diff --git a/src/version.c b/src/version.c
index 6d97899..6b4c1cd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1570,
+/**/
     1569,
 /**/
     1568,