libX11: update to 1.7.2.

This is a bug fix release, correcting a regression [1] introduced by and
improving the checks from the fix for CVE-2021-31535.

[1] https://gitlab.freedesktop.org/xorg/lib/libx11/-/issues/133

Alan Coopersmith (1):
      libX11 1.7.2

Matthieu Herrb (2):
      include <limits.h> always, not if HAVE_CONFIG_H is set.
      Check for NULL strings before getting their lengths

Tobias Stoeckmann (1):
      Protect against overly long strings

4 files changed, 44 insertions, 47 deletions

diff --git a/x11/libX11/Makefile b/x11/libX11/Makefile
index b8b83fa88b5..e96b7f9619f 100644
--- a/x11/libX11/Makefile
+++ b/x11/libX11/Makefile
@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.57 2021/05/18 16:31:33 wiz Exp $
+# $NetBSD: Makefile,v 1.58 2021/06/06 21:05:08 wiz Exp $
 
-DISTNAME=		libX11-1.7.1
+DISTNAME=		libX11-1.7.2
 CATEGORIES=		x11 devel
 MASTER_SITES=		${MASTER_SITE_XORG:=lib/}
 EXTRACT_SUFX=		.tar.bz2
diff --git a/x11/libX11/distinfo b/x11/libX11/distinfo
index fec7c5565bf..7e3c7d34b94 100644
--- a/x11/libX11/distinfo
+++ b/x11/libX11/distinfo
@@ -1,10 +1,10 @@
-$NetBSD: distinfo,v 1.37 2021/05/18 16:31:33 wiz Exp $
+$NetBSD: distinfo,v 1.38 2021/06/06 21:05:08 wiz Exp $
 
-SHA1 (libX11-1.7.1.tar.bz2) = 5c605b8e3f0d310d68193555d95f11c7e002945a
-RMD160 (libX11-1.7.1.tar.bz2) = c43b7769bd9443d014a7e07257254d39516bd4ea
-SHA512 (libX11-1.7.1.tar.bz2) = a76f0a82fce6f9b50646a7cd7ec5ee046650f225816050226068a7548fa083ef07d146d40faaf44e033c59c17b0fda5ffdee3a127dac3ab56cee02133819aa3d
-Size (libX11-1.7.1.tar.bz2) = 2426509 bytes
-SHA1 (patch-Makefile.in) = a38502ac45908a4a8d57de42e301894a2e9f8a15
+SHA1 (libX11-1.7.2.tar.bz2) = ff503c816f1e812070ac0e1841bc3634c3b370b6
+RMD160 (libX11-1.7.2.tar.bz2) = ea685d299dc697d81747c2abcbd018d3d523796f
+SHA512 (libX11-1.7.2.tar.bz2) = d01e5c1848c76218605e5af2d353de6b301a251555b52a38dbe930e6635d5e8a92d1486eb6d328ad5d42a5939e0d16868ffa19a75e5a7863d1a32e0d0727bdc7
+Size (libX11-1.7.2.tar.bz2) = 2392982 bytes
+SHA1 (patch-Makefile.in) = fc23ec24244e1c7213fca3bdc09adca6b379839a
 SHA1 (patch-aa) = 4f502264e7200fd2f9409d8684c53de3bc6f0649
-SHA1 (patch-ac) = 565aa2a636b5c50f67cbd11e7c2adcac8d55418e
+SHA1 (patch-ac) = 84bad85defd7cdac82fe4448d723c80469507f73
 SHA1 (patch-src_xkb_XKBBind.c) = 3ad94bd3265c3c4a85bcf3e2da0782c16fd461d1
diff --git a/x11/libX11/patches/patch-Makefile.in b/x11/libX11/patches/patch-Makefile.in
index a626873371d..a405af33d58 100644
--- a/x11/libX11/patches/patch-Makefile.in
+++ b/x11/libX11/patches/patch-Makefile.in
@@ -1,13 +1,13 @@
-$NetBSD: patch-Makefile.in,v 1.6 2020/11/20 20:42:53 wiz Exp $
+$NetBSD: patch-Makefile.in,v 1.7 2021/06/06 21:05:08 wiz Exp $
 
 Avoid unnecessary auto* due to patch-aa modifying configure.ac.
 
---- Makefile.in.orig	2020-11-20 19:08:19.000000000 +0000
+--- Makefile.in.orig	2021-06-06 16:49:02.000000000 +0000
 +++ Makefile.in
-@@ -95,8 +95,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/a
- 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
- 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
- 	$(top_srcdir)/configure.ac
+@@ -92,8 +92,7 @@ subdir = .
+ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_define_dir.m4 \
+ 	$(top_srcdir)/m4/ax_gcc_builtin.m4 $(top_srcdir)/configure.ac
 -am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 -	$(ACLOCAL_M4)
 +am__configure_deps = 
diff --git a/x11/libX11/patches/patch-ac b/x11/libX11/patches/patch-ac
index 874d0874e0e..8e7a735c3d7 100644
--- a/x11/libX11/patches/patch-ac
+++ b/x11/libX11/patches/patch-ac
@@ -1,63 +1,60 @@
-$NetBSD: patch-ac,v 1.13 2014/05/30 12:51:29 wiz Exp $
+$NetBSD: patch-ac,v 1.14 2021/06/06 21:05:08 wiz Exp $
 
 See patch-aa.
 
---- configure.orig	2013-09-09 01:37:35.000000000 +0000
+--- configure.orig	2021-06-06 16:49:01.000000000 +0000
 +++ configure
-@@ -20104,43 +20104,18 @@ $as_echo "#define XUSE_MTSAFE_API 1" >>c
+@@ -22009,42 +22009,16 @@ printf "%s\n" "#define XUSE_MTSAFE_API 1
  	;;
  esac
  
--{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_self in -lc" >&5
--$as_echo_n "checking for pthread_self in -lc... " >&6; }
--if ${ac_cv_lib_c_pthread_self+:} false; then :
--  $as_echo_n "(cached) " >&6
-+ac_fn_c_check_decl "$LINENO" "pthread_self" "ac_cv_have_decl_pthread_self" "#include <pthread.h>
-+"
-+if test "x$ac_cv_have_decl_pthread_self" = xyes; then :
+-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_self in -lc" >&5
+-printf %s "checking for pthread_self in -lc... " >&6; }
+-if test ${ac_cv_lib_c_pthread_self+y}
++ac_fn_check_decl "$LINENO" "pthread_self" "ac_cv_have_decl_pthread_self" "#include <pthread.h>
++" "$ac_c_undeclared_builtin_options" "CFLAGS"
++if test "x$ac_cv_have_decl_pthread_self" = xyes
+ then :
+-  printf %s "(cached) " >&6
 +  ac_have_decl=1
- else
+ else $as_nop
 -  ac_check_lib_save_LIBS=$LIBS
 -LIBS="-lc  $LIBS"
 -cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 -/* end confdefs.h.  */
-+  ac_have_decl=0
-+fi
- 
+-
 -/* Override any GCC internal prototype to avoid an error.
 -   Use char because int might match the return type of a GCC
 -   builtin and then its argument prototype would still apply.  */
--#ifdef __cplusplus
--extern "C"
--#endif
 -char pthread_self ();
 -int
--main ()
+-main (void)
 -{
 -return pthread_self ();
 -  ;
 -  return 0;
 -}
-+cat >>confdefs.h <<_ACEOF
-+#define HAVE_DECL_PTHREAD_SELF $ac_have_decl
- _ACEOF
--if ac_fn_c_try_link "$LINENO"; then :
+-_ACEOF
+-if ac_fn_c_try_link "$LINENO"
+-then :
 -  ac_cv_lib_c_pthread_self=yes
--else
+-else $as_nop
 -  ac_cv_lib_c_pthread_self=no
 -fi
--rm -f core conftest.err conftest.$ac_objext \
+-rm -f core conftest.err conftest.$ac_objext conftest.beam \
 -    conftest$ac_exeext conftest.$ac_ext
 -LIBS=$ac_check_lib_save_LIBS
--fi
--{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_pthread_self" >&5
--$as_echo "$ac_cv_lib_c_pthread_self" >&6; }
--if test "x$ac_cv_lib_c_pthread_self" = xyes; then :
-+if test $ac_have_decl = 1; then :
++  ac_have_decl=0
+ fi
+-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_pthread_self" >&5
+-printf "%s\n" "$ac_cv_lib_c_pthread_self" >&6; }
+-if test "x$ac_cv_lib_c_pthread_self" = xyes
++printf "%s\n" "#define HAVE_DECL_PTHREAD_SELF $ac_have_decl" >>confdefs.h
++if test $ac_have_decl = 1
+ then :
    thrstubs="no"
- else
-   thrstubs="yes"
-@@ -20161,12 +20136,12 @@ if test x$xthreads = xyes ; then
+ else $as_nop
+@@ -22066,12 +22040,12 @@ if test x$xthreads = xyes ; then
      linux*|gnu*|k*bsd*-gnu)
          XTHREADLIB=-lpthread ;;
      netbsd*)