Auto-commit of generated files.

4 files changed, 1002 insertions, 114 deletions

diff --git a/autogen/Makefile.in b/autogen/Makefile.in
index 680bebd5261..cea3dbccd7a 100644
--- a/autogen/Makefile.in
+++ b/autogen/Makefile.in
@@ -36,7 +36,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --avoid=dup --avoid=errno --avoid=fchdir --avoid=fcntl --avoid=fstat --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow --avoid=open --avoid=openat-die --avoid=opendir --avoid=raise --avoid=save-cwd --avoid=select --avoid=sigprocmask --avoid=sys_types --avoid=threadlib --makefile-name=gnulib.mk --conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca-opt c-ctype c-strcase careadlinkat close-stream crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dtotimespec dup2 environ execinfo faccessat fcntl-h fdatasync fdopendir filemode fstatat fsync getloadavg getopt-gnu gettime gettimeofday ignore-value intprops largefile lstat manywarnings memrchr mktime pselect pthread_sigmask putenv readlink readlinkat sig2str socklen stat-time stdalign stdarg stdbool stdio strftime strtoimax strtoumax symlink sys_stat sys_time time timer-time timespec-add timespec-sub unsetenv utimens warnings
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --avoid=dup --avoid=fchdir --avoid=fcntl --avoid=fstat --avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow --avoid=open --avoid=openat-die --avoid=opendir --avoid=raise --avoid=save-cwd --avoid=select --avoid=sigprocmask --avoid=sys_types --avoid=threadlib --makefile-name=gnulib.mk --conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca-opt c-ctype c-strcase careadlinkat close-stream crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512 dtoastr dtotimespec dup2 environ execinfo faccessat fcntl-h fdatasync fdopendir filemode fstatat fsync getloadavg getopt-gnu gettime gettimeofday ignore-value intprops largefile lstat manywarnings memrchr mktime pselect pthread_sigmask putenv qacl readlink readlinkat sig2str socklen stat-time stdalign stdarg stdbool stdio strftime strtoimax strtoumax symlink sys_stat sys_time time timer-time timespec-add timespec-sub unsetenv utimens warnings
 
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
@@ -63,12 +63,12 @@ DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
 subdir = lib
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/00gnulib.m4 \
-	$(top_srcdir)/m4/alloca.m4 $(top_srcdir)/m4/c-strtod.m4 \
-	$(top_srcdir)/m4/clock_time.m4 \
+	$(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/alloca.m4 \
+	$(top_srcdir)/m4/c-strtod.m4 $(top_srcdir)/m4/clock_time.m4 \
 	$(top_srcdir)/m4/close-stream.m4 $(top_srcdir)/m4/dirent_h.m4 \
 	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/environ.m4 \
-	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/execinfo.m4 \
-	$(top_srcdir)/m4/extensions.m4 \
+	$(top_srcdir)/m4/errno_h.m4 $(top_srcdir)/m4/euidaccess.m4 \
+	$(top_srcdir)/m4/execinfo.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/extern-inline.m4 \
 	$(top_srcdir)/m4/faccessat.m4 $(top_srcdir)/m4/fcntl_h.m4 \
 	$(top_srcdir)/m4/fdatasync.m4 $(top_srcdir)/m4/fdopendir.m4 \
@@ -122,19 +122,22 @@ am__DEPENDENCIES_1 =
 am__libgnu_a_SOURCES_DIST = allocator.c c-ctype.h c-ctype.c \
 	c-strcase.h c-strcasecmp.c c-strncasecmp.c careadlinkat.c \
 	close-stream.c md5.c sha1.c sha256.c sha512.c dtoastr.c \
-	dtotimespec.c filemode.c gettext.h gettime.c stat-time.c \
-	strftime.c timespec.c timespec-add.c timespec-sub.c u64.c \
-	unistd.c utimens.c openat-die.c save-cwd.c
+	dtotimespec.c filemode.c gettext.h gettime.c acl-errno-valid.c \
+	file-has-acl.c qcopy-acl.c qset-acl.c stat-time.c strftime.c \
+	timespec.c timespec-add.c timespec-sub.c u64.c unistd.c \
+	utimens.c openat-die.c save-cwd.c
 am__objects_1 =
 am_libgnu_a_OBJECTS = allocator.$(OBJEXT) c-ctype.$(OBJEXT) \
 	c-strcasecmp.$(OBJEXT) c-strncasecmp.$(OBJEXT) \
 	careadlinkat.$(OBJEXT) close-stream.$(OBJEXT) md5.$(OBJEXT) \
 	sha1.$(OBJEXT) sha256.$(OBJEXT) sha512.$(OBJEXT) \
 	dtoastr.$(OBJEXT) dtotimespec.$(OBJEXT) filemode.$(OBJEXT) \
-	$(am__objects_1) gettime.$(OBJEXT) stat-time.$(OBJEXT) \
-	strftime.$(OBJEXT) timespec.$(OBJEXT) timespec-add.$(OBJEXT) \
-	timespec-sub.$(OBJEXT) u64.$(OBJEXT) unistd.$(OBJEXT) \
-	utimens.$(OBJEXT) openat-die.$(OBJEXT) save-cwd.$(OBJEXT)
+	$(am__objects_1) gettime.$(OBJEXT) acl-errno-valid.$(OBJEXT) \
+	file-has-acl.$(OBJEXT) qcopy-acl.$(OBJEXT) qset-acl.$(OBJEXT) \
+	stat-time.$(OBJEXT) strftime.$(OBJEXT) timespec.$(OBJEXT) \
+	timespec-add.$(OBJEXT) timespec-sub.$(OBJEXT) u64.$(OBJEXT) \
+	unistd.$(OBJEXT) utimens.$(OBJEXT) openat-die.$(OBJEXT) \
+	save-cwd.$(OBJEXT)
 libgnu_a_OBJECTS = $(am_libgnu_a_OBJECTS)
 depcomp = $(SHELL) $(top_srcdir)/build-aux/depcomp
 am__depfiles_maybe = depfiles
@@ -192,6 +195,13 @@ ECHO_C = @ECHO_C@
 ECHO_N = @ECHO_N@
 ECHO_T = @ECHO_T@
 EGREP = @EGREP@
+EMULTIHOP_HIDDEN = @EMULTIHOP_HIDDEN@
+EMULTIHOP_VALUE = @EMULTIHOP_VALUE@
+ENOLINK_HIDDEN = @ENOLINK_HIDDEN@
+ENOLINK_VALUE = @ENOLINK_VALUE@
+EOVERFLOW_HIDDEN = @EOVERFLOW_HIDDEN@
+EOVERFLOW_VALUE = @EOVERFLOW_VALUE@
+ERRNO_H = @ERRNO_H@
 EXECINFO_H = @EXECINFO_H@
 EXEEXT = @EXEEXT@
 FONTCONFIG_CFLAGS = @FONTCONFIG_CFLAGS@
@@ -623,7 +633,6 @@ LD_SWITCH_SYSTEM = @LD_SWITCH_SYSTEM@
 LD_SWITCH_SYSTEM_TEMACS = @LD_SWITCH_SYSTEM_TEMACS@
 LD_SWITCH_X_SITE = @LD_SWITCH_X_SITE@
 LD_SWITCH_X_SITE_RPATH = @LD_SWITCH_X_SITE_RPATH@
-LIBACL_LIBS = @LIBACL_LIBS@
 LIBGIF = @LIBGIF@
 LIBGNUTLS_CFLAGS = @LIBGNUTLS_CFLAGS@
 LIBGNUTLS_LIBS = @LIBGNUTLS_LIBS@
@@ -655,6 +664,7 @@ LIBXSM = @LIBXSM@
 LIBXTR6 = @LIBXTR6@
 LIBXT_OTHER = @LIBXT_OTHER@
 LIBX_OTHER = @LIBX_OTHER@
+LIB_ACL = @LIB_ACL@
 LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
 LIB_EACCESS = @LIB_EACCESS@
 LIB_EXECINFO = @LIB_EXECINFO@
@@ -672,6 +682,7 @@ MAKEINFO = @MAKEINFO@
 MKDEPDIR = @MKDEPDIR@
 MKDIR_P = @MKDIR_P@
 NEXT_AS_FIRST_DIRECTIVE_DIRENT_H = @NEXT_AS_FIRST_DIRECTIVE_DIRENT_H@
+NEXT_AS_FIRST_DIRECTIVE_ERRNO_H = @NEXT_AS_FIRST_DIRECTIVE_ERRNO_H@
 NEXT_AS_FIRST_DIRECTIVE_FCNTL_H = @NEXT_AS_FIRST_DIRECTIVE_FCNTL_H@
 NEXT_AS_FIRST_DIRECTIVE_GETOPT_H = @NEXT_AS_FIRST_DIRECTIVE_GETOPT_H@
 NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H = @NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H@
@@ -688,6 +699,7 @@ NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
 NEXT_AS_FIRST_DIRECTIVE_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_TIME_H@
 NEXT_AS_FIRST_DIRECTIVE_UNISTD_H = @NEXT_AS_FIRST_DIRECTIVE_UNISTD_H@
 NEXT_DIRENT_H = @NEXT_DIRENT_H@
+NEXT_ERRNO_H = @NEXT_ERRNO_H@
 NEXT_FCNTL_H = @NEXT_FCNTL_H@
 NEXT_GETOPT_H = @NEXT_GETOPT_H@
 NEXT_INTTYPES_H = @NEXT_INTTYPES_H@
@@ -873,6 +885,7 @@ UNDEFINE_STRTOK_R = @UNDEFINE_STRTOK_R@
 UNEXEC_OBJ = @UNEXEC_OBJ@
 UNISTD_H_HAVE_WINSOCK2_H = @UNISTD_H_HAVE_WINSOCK2_H@
 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS = @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
+USE_ACL = @USE_ACL@
 VERSION = @VERSION@
 VMLIMIT_OBJ = @VMLIMIT_OBJ@
 W32_LIBS = @W32_LIBS@
@@ -985,21 +998,23 @@ x_default_search_path = @x_default_search_path@
 # statements but through direct file reference. Therefore this snippet must be
 # present in all Makefile.am that need it. This is ensured by the applicability
 # 'all' defined above.
-BUILT_SOURCES = $(ALLOCA_H) dirent.h $(EXECINFO_H) fcntl.h $(GETOPT_H) \
-	inttypes.h signal.h arg-nonnull.h c++defs.h warn-on-use.h \
-	$(STDALIGN_H) $(STDARG_H) $(STDBOOL_H) $(STDDEF_H) $(STDINT_H) \
-	stdio.h stdlib.h string.h sys/select.h sys/stat.h sys/time.h \
-	time.h unistd.h
+BUILT_SOURCES = $(ALLOCA_H) dirent.h $(ERRNO_H) $(EXECINFO_H) fcntl.h \
+	$(GETOPT_H) inttypes.h signal.h arg-nonnull.h c++defs.h \
+	warn-on-use.h $(STDALIGN_H) $(STDARG_H) $(STDBOOL_H) \
+	$(STDDEF_H) $(STDINT_H) stdio.h stdlib.h string.h sys/select.h \
+	sys/stat.h sys/time.h time.h unistd.h
+CLEANFILES = 
 EXTRA_DIST = alloca.in.h allocator.h openat-priv.h openat-proc.c \
 	careadlinkat.h close-stream.h md5.h sha1.h sha256.h sha512.h \
-	dirent.in.h dosname.h ftoastr.c ftoastr.h dup2.c euidaccess.c \
-	execinfo.c execinfo.in.h at-func.c faccessat.c fcntl.in.h \
-	fdatasync.c fdopendir.c filemode.h fpending.c fpending.h \
-	at-func.c fstatat.c fsync.c getgroups.c getloadavg.c getopt.c \
-	getopt.in.h getopt1.c getopt_int.h gettimeofday.c \
-	group-member.c ignore-value.h intprops.h inttypes.in.h lstat.c \
-	memrchr.c mktime-internal.h mktime.c openat.h pathmax.h \
-	pselect.c pthread_sigmask.c putenv.c readlink.c at-func.c \
+	dirent.in.h dosname.h ftoastr.c ftoastr.h dup2.c errno.in.h \
+	euidaccess.c execinfo.c execinfo.in.h at-func.c faccessat.c \
+	fcntl.in.h fdatasync.c fdopendir.c filemode.h fpending.c \
+	fpending.h at-func.c fstatat.c fsync.c getgroups.c \
+	getloadavg.c getopt.c getopt.in.h getopt1.c getopt_int.h \
+	gettimeofday.c group-member.c ignore-value.h intprops.h \
+	inttypes.in.h lstat.c memrchr.c mktime-internal.h mktime.c \
+	openat.h pathmax.h pselect.c pthread_sigmask.c putenv.c \
+	acl-internal.h acl.h acl_entries.c readlink.c at-func.c \
 	readlinkat.c root-uid.h sig2str.c sig2str.h signal.in.h \
 	$(top_srcdir)/build-aux/snippet/_Noreturn.h \
 	$(top_srcdir)/build-aux/snippet/arg-nonnull.h \
@@ -1014,21 +1029,23 @@ EXTRA_DIST = alloca.in.h allocator.h openat-priv.h openat-proc.c \
 	xalloc-oversized.h
 MOSTLYCLEANDIRS = sys sys
 MOSTLYCLEANFILES = core *.stackdump alloca.h alloca.h-t dirent.h \
-	dirent.h-t execinfo.h execinfo.h-t fcntl.h fcntl.h-t getopt.h \
-	getopt.h-t inttypes.h inttypes.h-t signal.h signal.h-t \
-	arg-nonnull.h arg-nonnull.h-t c++defs.h c++defs.h-t \
+	dirent.h-t errno.h errno.h-t execinfo.h execinfo.h-t fcntl.h \
+	fcntl.h-t getopt.h getopt.h-t inttypes.h inttypes.h-t signal.h \
+	signal.h-t arg-nonnull.h arg-nonnull.h-t c++defs.h c++defs.h-t \
 	warn-on-use.h warn-on-use.h-t stdalign.h stdalign.h-t stdarg.h \
 	stdarg.h-t stdbool.h stdbool.h-t stddef.h stddef.h-t stdint.h \
 	stdint.h-t stdio.h stdio.h-t stdlib.h stdlib.h-t string.h \
 	string.h-t sys/select.h sys/select.h-t sys/stat.h sys/stat.h-t \
 	sys/time.h sys/time.h-t time.h time.h-t unistd.h unistd.h-t
 noinst_LIBRARIES = libgnu.a
+SUFFIXES = 
 AM_CFLAGS = $(PROFILING_CFLAGS) $(GNULIB_WARN_CFLAGS) $(WERROR_CFLAGS)
 DEFAULT_INCLUDES = -I. -I$(top_srcdir)/lib -I../src -I$(top_srcdir)/src
 libgnu_a_SOURCES = allocator.c c-ctype.h c-ctype.c c-strcase.h \
 	c-strcasecmp.c c-strncasecmp.c careadlinkat.c close-stream.c \
 	md5.c sha1.c sha256.c sha512.c dtoastr.c dtotimespec.c \
-	filemode.c $(am__append_1) gettime.c stat-time.c strftime.c \
+	filemode.c $(am__append_1) gettime.c acl-errno-valid.c \
+	file-has-acl.c qcopy-acl.c qset-acl.c stat-time.c strftime.c \
 	timespec.c timespec-add.c timespec-sub.c u64.c unistd.c \
 	utimens.c openat-die.c save-cwd.c
 libgnu_a_LIBADD = $(gl_LIBOBJS)
@@ -1038,9 +1055,10 @@ EXTRA_libgnu_a_SOURCES = openat-proc.c ftoastr.c dup2.c euidaccess.c \
 	fpending.c at-func.c fstatat.c fsync.c getgroups.c \
 	getloadavg.c getopt.c getopt1.c gettimeofday.c group-member.c \
 	lstat.c memrchr.c mktime.c pselect.c pthread_sigmask.c \
-	putenv.c readlink.c at-func.c readlinkat.c sig2str.c stat.c \
-	strtoimax.c strtol.c strtoll.c strtol.c strtoul.c strtoull.c \
-	strtoimax.c strtoumax.c symlink.c time_r.c unsetenv.c
+	putenv.c acl_entries.c readlink.c at-func.c readlinkat.c \
+	sig2str.c stat.c strtoimax.c strtol.c strtoll.c strtol.c \
+	strtoul.c strtoull.c strtoimax.c strtoumax.c symlink.c \
+	time_r.c unsetenv.c
 
 # Because this Makefile snippet defines a variable used by other
 # gnulib Makefile snippets, it must be present in all Makefile.am that
@@ -1098,6 +1116,8 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
 
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/acl-errno-valid.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/acl_entries.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/allocator.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/at-func.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/c-ctype.Po@am__quote@
@@ -1113,6 +1133,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/faccessat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdatasync.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fdopendir.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/file-has-acl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/filemode.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fpending.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fstatat.Po@am__quote@
@@ -1134,6 +1155,8 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pselect.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pthread_sigmask.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/putenv.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/qcopy-acl.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/qset-acl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/readlink.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/readlinkat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/save-cwd.Po@am__quote@
@@ -1280,6 +1303,7 @@ mostlyclean-generic:
 	-test -z "$(MOSTLYCLEANFILES)" || rm -f $(MOSTLYCLEANFILES)
 
 clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
 
 distclean-generic:
 	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
@@ -1425,6 +1449,28 @@ dirent.h: dirent.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
 	} > $@-t && \
 	mv $@-t $@
 
+# We need the following in order to create <errno.h> when the system
+# doesn't have one that is POSIX compliant.
+@GL_GENERATE_ERRNO_H_TRUE@errno.h: errno.in.h $(top_builddir)/config.status
+@GL_GENERATE_ERRNO_H_TRUE@	$(AM_V_GEN)rm -f $@-t $@ && \
+@GL_GENERATE_ERRNO_H_TRUE@	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
+@GL_GENERATE_ERRNO_H_TRUE@	  sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''NEXT_ERRNO_H''@|$(NEXT_ERRNO_H)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''EMULTIHOP_HIDDEN''@|$(EMULTIHOP_HIDDEN)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''EMULTIHOP_VALUE''@|$(EMULTIHOP_VALUE)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''ENOLINK_HIDDEN''@|$(ENOLINK_HIDDEN)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''ENOLINK_VALUE''@|$(ENOLINK_VALUE)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''EOVERFLOW_HIDDEN''@|$(EOVERFLOW_HIDDEN)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      -e 's|@''EOVERFLOW_VALUE''@|$(EOVERFLOW_VALUE)|g' \
+@GL_GENERATE_ERRNO_H_TRUE@	      < $(srcdir)/errno.in.h; \
+@GL_GENERATE_ERRNO_H_TRUE@	} > $@-t && \
+@GL_GENERATE_ERRNO_H_TRUE@	mv $@-t $@
+@GL_GENERATE_ERRNO_H_FALSE@errno.h: $(top_builddir)/config.status
+@GL_GENERATE_ERRNO_H_FALSE@	rm -f $@
+
 # We need the following in order to create <execinfo.h> when the system
 # doesn't have one that works.
 @GL_GENERATE_EXECINFO_H_TRUE@execinfo.h: execinfo.in.h $(top_builddir)/config.status
diff --git a/autogen/aclocal.m4 b/autogen/aclocal.m4
index d782216bac5..eb324b06b37 100644
--- a/autogen/aclocal.m4
+++ b/autogen/aclocal.m4
@@ -985,6 +985,7 @@ AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
 m4_include([m4/00gnulib.m4])
+m4_include([m4/acl.m4])
 m4_include([m4/alloca.m4])
 m4_include([m4/c-strtod.m4])
 m4_include([m4/clock_time.m4])
@@ -992,6 +993,7 @@ m4_include([m4/close-stream.m4])
 m4_include([m4/dirent_h.m4])
 m4_include([m4/dup2.m4])
 m4_include([m4/environ.m4])
+m4_include([m4/errno_h.m4])
 m4_include([m4/euidaccess.m4])
 m4_include([m4/execinfo.m4])
 m4_include([m4/extensions.m4])
diff --git a/autogen/config.in b/autogen/config.in
index 18b1ea09780..3e66a38f22c 100644
--- a/autogen/config.in
+++ b/autogen/config.in
@@ -209,6 +209,75 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the `access' function. */
 #undef HAVE_ACCESS
 
+/* Define to 1 if you have the `aclsort' function. */
+#undef HAVE_ACLSORT
+
+/* Define to 1 if you have the <aclv.h> header file. */
+#undef HAVE_ACLV_H
+
+/* Define to 1 if you have the `aclx_get' function. */
+#undef HAVE_ACLX_GET
+
+/* Define to 1 if you have the `acl_copy_ext_native' function. */
+#undef HAVE_ACL_COPY_EXT_NATIVE
+
+/* Define to 1 if you have the `acl_create_entry_np' function. */
+#undef HAVE_ACL_CREATE_ENTRY_NP
+
+/* Define to 1 if you have the `acl_delete_def_file' function. */
+#undef HAVE_ACL_DELETE_DEF_FILE
+
+/* Define to 1 if you have the `acl_delete_fd_np' function. */
+#undef HAVE_ACL_DELETE_FD_NP
+
+/* Define to 1 if you have the `acl_delete_file_np' function. */
+#undef HAVE_ACL_DELETE_FILE_NP
+
+/* Define to 1 if you have the `acl_entries' function. */
+#undef HAVE_ACL_ENTRIES
+
+/* Define to 1 if you have the `acl_extended_file' function. */
+#undef HAVE_ACL_EXTENDED_FILE
+
+/* Define to 1 if the constant ACL_FIRST_ENTRY exists. */
+#undef HAVE_ACL_FIRST_ENTRY
+
+/* Define to 1 if you have the `acl_free' function. */
+#undef HAVE_ACL_FREE
+
+/* Define to 1 if you have the `acl_free_text' function. */
+#undef HAVE_ACL_FREE_TEXT
+
+/* Define to 1 if you have the `acl_from_mode' function. */
+#undef HAVE_ACL_FROM_MODE
+
+/* Define to 1 if you have the `acl_from_text' function. */
+#undef HAVE_ACL_FROM_TEXT
+
+/* Define to 1 if you have the `acl_get_fd' function. */
+#undef HAVE_ACL_GET_FD
+
+/* Define to 1 if you have the `acl_get_file' function. */
+#undef HAVE_ACL_GET_FILE
+
+/* Define to 1 if you have the <acl/libacl.h> header file. */
+#undef HAVE_ACL_LIBACL_H
+
+/* Define to 1 if you have the `acl_set_fd' function. */
+#undef HAVE_ACL_SET_FD
+
+/* Define to 1 if you have the `acl_set_file' function. */
+#undef HAVE_ACL_SET_FILE
+
+/* Define to 1 if you have the `acl_to_short_text' function. */
+#undef HAVE_ACL_TO_SHORT_TEXT
+
+/* Define to 1 if you have the `acl_trivial' function. */
+#undef HAVE_ACL_TRIVIAL
+
+/* Define to 1 if the ACL type ACL_TYPE_EXTENDED exists. */
+#undef HAVE_ACL_TYPE_EXTENDED
+
 /* Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists. */
 #undef HAVE_AIX_SMT_EXP
 
@@ -376,6 +445,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the `faccessat' function. */
 #undef HAVE_FACCESSAT
 
+/* Define to 1 if you have the `facl' function. */
+#undef HAVE_FACL
+
 /* Define to 1 if you have the `fdatasync' function. */
 #undef HAVE_FDATASYNC
 
@@ -415,6 +487,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if using GConf. */
 #undef HAVE_GCONF
 
+/* Define to 1 if you have the `getacl' function. */
+#undef HAVE_GETACL
+
 /* Define to 1 if you have the `getaddrinfo' function. */
 #undef HAVE_GETADDRINFO
 
@@ -749,9 +824,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the <png.h> header file. */
 #undef HAVE_PNG_H
 
-/* Define to 1 if using POSIX ACL support. */
-#undef HAVE_POSIX_ACL
-
 /* Define to 1 if you have the `posix_memalign' function. */
 #undef HAVE_POSIX_MEMALIGN
 
@@ -858,6 +930,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if `speed_t' is declared by <termios.h>. */
 #undef HAVE_SPEED_T
 
+/* Define to 1 if you have the `statacl' function. */
+#undef HAVE_STATACL
+
 /* Define to 1 if you have the <stdint.h> header file. */
 #undef HAVE_STDINT_H
 
@@ -946,6 +1021,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to 1 if you have the `sync' function. */
 #undef HAVE_SYNC
 
+/* Define to 1 if you have the <sys/acl.h> header file. */
+#undef HAVE_SYS_ACL_H
+
 /* Define to 1 if you have the <sys/bitypes.h> header file. */
 #undef HAVE_SYS_BITYPES_H
 
@@ -1409,6 +1487,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* How to get a user's full name. */
 #undef USER_FULL_NAME
 
+/* Define to nonzero if you want access control list support. */
+#undef USE_ACL
+
 /* Define to 1 if using GTK. */
 #undef USE_GTK
 
diff --git a/autogen/configure b/autogen/configure
index 02d2ff88701..192bc49cb0a 100755
--- a/autogen/configure
+++ b/autogen/configure
@@ -781,6 +781,8 @@ GL_GENERATE_STDALIGN_H_TRUE
 STDALIGN_H
 NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H
 NEXT_SIGNAL_H
+USE_ACL
+LIB_ACL
 LIB_PTHREAD_SIGMASK
 REPLACE_RAISE
 REPLACE_PTHREAD_SIGMASK
@@ -1076,6 +1078,17 @@ GL_GENERATE_EXECINFO_H_FALSE
 GL_GENERATE_EXECINFO_H_TRUE
 LIB_EXECINFO
 EXECINFO_H
+EOVERFLOW_VALUE
+EOVERFLOW_HIDDEN
+ENOLINK_VALUE
+ENOLINK_HIDDEN
+EMULTIHOP_VALUE
+EMULTIHOP_HIDDEN
+GL_GENERATE_ERRNO_H_FALSE
+GL_GENERATE_ERRNO_H_TRUE
+ERRNO_H
+NEXT_AS_FIRST_DIRECTIVE_ERRNO_H
+NEXT_ERRNO_H
 HAVE_DIRENT_H
 NEXT_AS_FIRST_DIRECTIVE_DIRENT_H
 NEXT_DIRENT_H
@@ -1309,7 +1322,6 @@ FONTCONFIG_LIBS
 FONTCONFIG_CFLAGS
 LIBXMU
 LIBXTR6
-LIBACL_LIBS
 LIBGNUTLS_LIBS
 LIBGNUTLS_CFLAGS
 LIBSELINUX_LIBS
@@ -1501,7 +1513,6 @@ with_dbus
 with_gconf
 with_gsettings
 with_selinux
-with_acl
 with_gnutls
 with_inotify
 with_makeinfo
@@ -1521,6 +1532,7 @@ enable_largefile
 enable_gcc_warnings
 enable_link_time_optimization
 with_x
+enable_acl
 '
       ac_precious_vars='build_alias
 host_alias
@@ -2187,6 +2199,7 @@ Optional Features:
   --enable-link-time-optimization
                           build emacs with link-time optimization. This is
                           supported only for GCC since 4.5.0.
+  --disable-acl           do not support ACLs
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -2228,7 +2241,6 @@ Optional Packages:
   --without-gconf         don't compile with GConf support
   --without-gsettings     don't compile with GSettings support
   --without-selinux       don't compile with SELinux support
-  --without-acl           don't compile with ACL support
   --without-gnutls        don't use -lgnutls for SSL/TLS support
   --without-inotify       don't compile with inotify (file-watch) support
   --without-makeinfo      don't require makeinfo for building manuals
@@ -4297,14 +4309,6 @@ else
 fi
 
 
-# Check whether --with-acl was given.
-if test "${with_acl+set}" = set; then :
-  withval=$with_acl;
-else
-     with_acl=$with_features
-fi
-
-
 # Check whether --with-gnutls was given.
 if test "${with_gnutls+set}" = set; then :
   withval=$with_gnutls;
@@ -7189,6 +7193,7 @@ esac
   # Code from module dtotimespec:
   # Code from module dup2:
   # Code from module environ:
+  # Code from module errno:
   # Code from module euidaccess:
   # Code from module execinfo:
   # Code from module extensions:
@@ -7227,6 +7232,7 @@ esac
   # Code from module pselect:
   # Code from module pthread_sigmask:
   # Code from module putenv:
+  # Code from module qacl:
   # Code from module readlink:
   # Code from module readlinkat:
   # Code from module root-uid:
@@ -11673,73 +11679,6 @@ $as_echo "#define HAVE_INOTIFY 1" >>confdefs.h
 
 fi
 
-HAVE_POSIX_ACL=no
-LIBACL_LIBS=
-if test "${with_acl}" = "yes"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for acl_set_file in -lacl" >&5
-$as_echo_n "checking for acl_set_file in -lacl... " >&6; }
-if test "${ac_cv_lib_acl_acl_set_file+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lacl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* 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 acl_set_file ();
-int
-main ()
-{
-return acl_set_file ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_acl_acl_set_file=yes
-else
-  ac_cv_lib_acl_acl_set_file=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_acl_acl_set_file" >&5
-$as_echo "$ac_cv_lib_acl_acl_set_file" >&6; }
-if test "x$ac_cv_lib_acl_acl_set_file" = x""yes; then :
-  HAVE_POSIX_ACL=yes
-else
-  HAVE_POSIX_ACL=no
-fi
-
-  if test "$HAVE_POSIX_ACL" = yes; then
-
-$as_echo "#define HAVE_POSIX_ACL 1" >>confdefs.h
-
-    LIBACL_LIBS=-lacl
-  else
-    ac_fn_c_check_func "$LINENO" "acl_set_file" "ac_cv_func_acl_set_file"
-if test "x$ac_cv_func_acl_set_file" = x""yes; then :
-  HAVE_POSIX_ACL=yes
-else
-  HAVE_POSIX_ACL=no
-fi
-
-    if test "$HAVE_POSIX_ACL" = yes; then
-
-$as_echo "#define HAVE_POSIX_ACL 1" >>confdefs.h
-
-    fi
- fi
-fi
-
-
 HAVE_XAW3D=no
 LUCID_LIBW=
 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
@@ -17474,6 +17413,378 @@ $as_echo "#define HAVE_ENVIRON_DECL 1" >>confdefs.h
 
 
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for complete errno.h" >&5
+$as_echo_n "checking for complete errno.h... " >&6; }
+if test "${gl_cv_header_errno_h_complete+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <errno.h>
+#if !defined ETXTBSY
+booboo
+#endif
+#if !defined ENOMSG
+booboo
+#endif
+#if !defined EIDRM
+booboo
+#endif
+#if !defined ENOLINK
+booboo
+#endif
+#if !defined EPROTO
+booboo
+#endif
+#if !defined EMULTIHOP
+booboo
+#endif
+#if !defined EBADMSG
+booboo
+#endif
+#if !defined EOVERFLOW
+booboo
+#endif
+#if !defined ENOTSUP
+booboo
+#endif
+#if !defined ENETRESET
+booboo
+#endif
+#if !defined ECONNABORTED
+booboo
+#endif
+#if !defined ESTALE
+booboo
+#endif
+#if !defined EDQUOT
+booboo
+#endif
+#if !defined ECANCELED
+booboo
+#endif
+#if !defined EOWNERDEAD
+booboo
+#endif
+#if !defined ENOTRECOVERABLE
+booboo
+#endif
+#if !defined EILSEQ
+booboo
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "booboo" >/dev/null 2>&1; then :
+  gl_cv_header_errno_h_complete=no
+else
+  gl_cv_header_errno_h_complete=yes
+fi
+rm -f conftest*
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_errno_h_complete" >&5
+$as_echo "$gl_cv_header_errno_h_complete" >&6; }
+  if test $gl_cv_header_errno_h_complete = yes; then
+    ERRNO_H=''
+  else
+
+
+
+
+
+
+
+
+     if test $gl_cv_have_include_next = yes; then
+       gl_cv_next_errno_h='<'errno.h'>'
+     else
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <errno.h>" >&5
+$as_echo_n "checking absolute name of <errno.h>... " >&6; }
+if test "${gl_cv_next_errno_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+               cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <errno.h>
+
+_ACEOF
+                                                                                                                        case "$host_os" in
+                 aix*) gl_absname_cpp="$ac_cpp -C" ;;
+                 *)    gl_absname_cpp="$ac_cpp" ;;
+               esac
+
+               case "$host_os" in
+                 mingw*)
+                                                                                                                                     gl_dirsep_regex='[/\\]'
+                   ;;
+                 *)
+                   gl_dirsep_regex='\/'
+                   ;;
+               esac
+                                             gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+
+               gl_header_literal_regex=`echo 'errno.h' \
+                                        | sed -e "$gl_make_literal_regex_sed"`
+               gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+                   s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+                   s|^/[^/]|//&|
+                   p
+                   q
+                 }'
+                                                            gl_cv_next_errno_h='"'`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+                      sed -n "$gl_absolute_header_sed"`'"'
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_errno_h" >&5
+$as_echo "$gl_cv_next_errno_h" >&6; }
+     fi
+     NEXT_ERRNO_H=$gl_cv_next_errno_h
+
+     if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+       gl_next_as_first_directive='<'errno.h'>'
+     else
+       # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+       gl_next_as_first_directive=$gl_cv_next_errno_h
+     fi
+     NEXT_AS_FIRST_DIRECTIVE_ERRNO_H=$gl_next_as_first_directive
+
+
+
+
+    ERRNO_H='errno.h'
+  fi
+
+   if test -n "$ERRNO_H"; then
+  GL_GENERATE_ERRNO_H_TRUE=
+  GL_GENERATE_ERRNO_H_FALSE='#'
+else
+  GL_GENERATE_ERRNO_H_TRUE='#'
+  GL_GENERATE_ERRNO_H_FALSE=
+fi
+
+
+  if test -n "$ERRNO_H"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EMULTIHOP value" >&5
+$as_echo_n "checking for EMULTIHOP value... " >&6; }
+if test "${gl_cv_header_errno_h_EMULTIHOP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <errno.h>
+#ifdef EMULTIHOP
+yes
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "yes" >/dev/null 2>&1; then :
+  gl_cv_header_errno_h_EMULTIHOP=yes
+else
+  gl_cv_header_errno_h_EMULTIHOP=no
+fi
+rm -f conftest*
+
+      if test $gl_cv_header_errno_h_EMULTIHOP = no; then
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+#ifdef EMULTIHOP
+yes
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "yes" >/dev/null 2>&1; then :
+  gl_cv_header_errno_h_EMULTIHOP=hidden
+fi
+rm -f conftest*
+
+        if test $gl_cv_header_errno_h_EMULTIHOP = hidden; then
+                              if ac_fn_c_compute_int "$LINENO" "EMULTIHOP" "gl_cv_header_errno_h_EMULTIHOP"        "
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+/* The following two lines are a workaround against an autoconf-2.52 bug.  */
+#include <stdio.h>
+#include <stdlib.h>
+"; then :
+
+fi
+
+        fi
+      fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_errno_h_EMULTIHOP" >&5
+$as_echo "$gl_cv_header_errno_h_EMULTIHOP" >&6; }
+    case $gl_cv_header_errno_h_EMULTIHOP in
+      yes | no)
+        EMULTIHOP_HIDDEN=0; EMULTIHOP_VALUE=
+        ;;
+      *)
+        EMULTIHOP_HIDDEN=1; EMULTIHOP_VALUE="$gl_cv_header_errno_h_EMULTIHOP"
+        ;;
+    esac
+
+
+  fi
+
+
+  if test -n "$ERRNO_H"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ENOLINK value" >&5
+$as_echo_n "checking for ENOLINK value... " >&6; }
+if test "${gl_cv_header_errno_h_ENOLINK+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <errno.h>
+#ifdef ENOLINK
+yes
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "yes" >/dev/null 2>&1; then :
+  gl_cv_header_errno_h_ENOLINK=yes
+else
+  gl_cv_header_errno_h_ENOLINK=no
+fi
+rm -f conftest*
+
+      if test $gl_cv_header_errno_h_ENOLINK = no; then
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+#ifdef ENOLINK
+yes
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "yes" >/dev/null 2>&1; then :
+  gl_cv_header_errno_h_ENOLINK=hidden
+fi
+rm -f conftest*
+
+        if test $gl_cv_header_errno_h_ENOLINK = hidden; then
+                              if ac_fn_c_compute_int "$LINENO" "ENOLINK" "gl_cv_header_errno_h_ENOLINK"        "
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+/* The following two lines are a workaround against an autoconf-2.52 bug.  */
+#include <stdio.h>
+#include <stdlib.h>
+"; then :
+
+fi
+
+        fi
+      fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_errno_h_ENOLINK" >&5
+$as_echo "$gl_cv_header_errno_h_ENOLINK" >&6; }
+    case $gl_cv_header_errno_h_ENOLINK in
+      yes | no)
+        ENOLINK_HIDDEN=0; ENOLINK_VALUE=
+        ;;
+      *)
+        ENOLINK_HIDDEN=1; ENOLINK_VALUE="$gl_cv_header_errno_h_ENOLINK"
+        ;;
+    esac
+
+
+  fi
+
+
+  if test -n "$ERRNO_H"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EOVERFLOW value" >&5
+$as_echo_n "checking for EOVERFLOW value... " >&6; }
+if test "${gl_cv_header_errno_h_EOVERFLOW+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <errno.h>
+#ifdef EOVERFLOW
+yes
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "yes" >/dev/null 2>&1; then :
+  gl_cv_header_errno_h_EOVERFLOW=yes
+else
+  gl_cv_header_errno_h_EOVERFLOW=no
+fi
+rm -f conftest*
+
+      if test $gl_cv_header_errno_h_EOVERFLOW = no; then
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+#ifdef EOVERFLOW
+yes
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "yes" >/dev/null 2>&1; then :
+  gl_cv_header_errno_h_EOVERFLOW=hidden
+fi
+rm -f conftest*
+
+        if test $gl_cv_header_errno_h_EOVERFLOW = hidden; then
+                              if ac_fn_c_compute_int "$LINENO" "EOVERFLOW" "gl_cv_header_errno_h_EOVERFLOW"        "
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+/* The following two lines are a workaround against an autoconf-2.52 bug.  */
+#include <stdio.h>
+#include <stdlib.h>
+"; then :
+
+fi
+
+        fi
+      fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_errno_h_EOVERFLOW" >&5
+$as_echo "$gl_cv_header_errno_h_EOVERFLOW" >&6; }
+    case $gl_cv_header_errno_h_EOVERFLOW in
+      yes | no)
+        EOVERFLOW_HIDDEN=0; EOVERFLOW_VALUE=
+        ;;
+      *)
+        EOVERFLOW_HIDDEN=1; EOVERFLOW_VALUE="$gl_cv_header_errno_h_EOVERFLOW"
+        ;;
+    esac
+
+
+  fi
+
+
+
+
 
 
 
@@ -21380,6 +21691,7 @@ $as_echo "$gl_cv_func_dup2_works" >&6; }
 
 
 
+
   LIB_EXECINFO=''
   EXECINFO_H='execinfo.h'
 
@@ -23745,6 +24057,449 @@ _ACEOF
 
 
 
+  # Check whether --enable-acl was given.
+if test "${enable_acl+set}" = set; then :
+  enableval=$enable_acl;
+else
+  enable_acl=auto
+fi
+
+
+  LIB_ACL=
+  use_acl=0
+  if test "x$enable_acl" != "xno"; then
+        for ac_header in sys/acl.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/acl.h" "ac_cv_header_sys_acl_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_acl_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_ACL_H 1
+_ACEOF
+
+fi
+
+done
+
+    if test $ac_cv_header_sys_acl_h = yes; then
+      ac_save_LIBS=$LIBS
+
+                  if test $use_acl = 0; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing acl_get_file" >&5
+$as_echo_n "checking for library containing acl_get_file... " >&6; }
+if test "${ac_cv_search_acl_get_file+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char acl_get_file ();
+int
+main ()
+{
+return acl_get_file ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' acl pacl; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_acl_get_file=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_acl_get_file+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_acl_get_file+set}" = set; then :
+
+else
+  ac_cv_search_acl_get_file=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_acl_get_file" >&5
+$as_echo "$ac_cv_search_acl_get_file" >&6; }
+ac_res=$ac_cv_search_acl_get_file
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  if test "$ac_cv_search_acl_get_file" != "none required"; then
+             LIB_ACL=$ac_cv_search_acl_get_file
+           fi
+           for ac_func in acl_get_file acl_get_fd acl_set_file acl_set_fd \
+              acl_free acl_from_mode acl_from_text \
+              acl_delete_def_file acl_extended_file \
+              acl_delete_fd_np acl_delete_file_np \
+              acl_copy_ext_native acl_create_entry_np \
+              acl_to_short_text acl_free_text
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+eval as_val=\$$as_ac_var
+   if test "x$as_val" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+           # If the acl_get_file bug is detected, don't enable the ACL support.
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working acl_get_file" >&5
+$as_echo_n "checking for working acl_get_file... " >&6; }
+if test "${gl_cv_func_working_acl_get_file+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "$cross_compiling" = yes; then :
+  gl_cv_func_working_acl_get_file=cross-compiling
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+           #include <sys/acl.h>
+           #include <errno.h>
+
+int
+main ()
+{
+if (!acl_get_file (".", ACL_TYPE_ACCESS) && errno == ENOENT)
+              return 1;
+            return 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_working_acl_get_file=yes
+else
+  gl_cv_func_working_acl_get_file=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_working_acl_get_file" >&5
+$as_echo "$gl_cv_func_working_acl_get_file" >&6; }
+
+  if test $gl_cv_func_working_acl_get_file = yes; then :
+  use_acl=1
+fi
+
+           if test $use_acl = 1; then
+                          for ac_header in acl/libacl.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "acl/libacl.h" "ac_cv_header_acl_libacl_h" "$ac_includes_default"
+if test "x$ac_cv_header_acl_libacl_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ACL_LIBACL_H 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+
+
+
+
+  for ac_func in acl_entries
+do :
+  ac_fn_c_check_func "$LINENO" "acl_entries" "ac_cv_func_acl_entries"
+if test "x$ac_cv_func_acl_entries" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ACL_ENTRIES 1
+_ACEOF
+
+else
+
+    gl_LIBOBJS="$gl_LIBOBJS $ac_func.$ac_objext"
+
+fi
+done
+
+
+             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ACL_FIRST_ENTRY" >&5
+$as_echo_n "checking for ACL_FIRST_ENTRY... " >&6; }
+if test "${gl_cv_acl_ACL_FIRST_ENTRY+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/acl.h>
+int type = ACL_FIRST_ENTRY;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_acl_ACL_FIRST_ENTRY=yes
+else
+  gl_cv_acl_ACL_FIRST_ENTRY=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_acl_ACL_FIRST_ENTRY" >&5
+$as_echo "$gl_cv_acl_ACL_FIRST_ENTRY" >&6; }
+             if test $gl_cv_acl_ACL_FIRST_ENTRY = yes; then
+
+$as_echo "#define HAVE_ACL_FIRST_ENTRY 1" >>confdefs.h
+
+             fi
+                          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ACL_TYPE_EXTENDED" >&5
+$as_echo_n "checking for ACL_TYPE_EXTENDED... " >&6; }
+if test "${gl_cv_acl_ACL_TYPE_EXTENDED+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/acl.h>
+int type = ACL_TYPE_EXTENDED;
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_acl_ACL_TYPE_EXTENDED=yes
+else
+  gl_cv_acl_ACL_TYPE_EXTENDED=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_acl_ACL_TYPE_EXTENDED" >&5
+$as_echo "$gl_cv_acl_ACL_TYPE_EXTENDED" >&6; }
+             if test $gl_cv_acl_ACL_TYPE_EXTENDED = yes; then
+
+$as_echo "#define HAVE_ACL_TYPE_EXTENDED 1" >>confdefs.h
+
+             fi
+           else
+             LIB_ACL=
+           fi
+
+fi
+
+      fi
+
+            if test $use_acl = 0; then
+        for ac_func in facl
+do :
+  ac_fn_c_check_func "$LINENO" "facl" "ac_cv_func_facl"
+if test "x$ac_cv_func_facl" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_FACL 1
+_ACEOF
+
+fi
+done
+
+        if test $ac_cv_func_facl = yes; then
+          { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing acl_trivial" >&5
+$as_echo_n "checking for library containing acl_trivial... " >&6; }
+if test "${ac_cv_search_acl_trivial+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char acl_trivial ();
+int
+main ()
+{
+return acl_trivial ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' sec; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_search_acl_trivial=$ac_res
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if test "${ac_cv_search_acl_trivial+set}" = set; then :
+  break
+fi
+done
+if test "${ac_cv_search_acl_trivial+set}" = set; then :
+
+else
+  ac_cv_search_acl_trivial=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_acl_trivial" >&5
+$as_echo "$ac_cv_search_acl_trivial" >&6; }
+ac_res=$ac_cv_search_acl_trivial
+if test "$ac_res" != no; then :
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  if test "$ac_cv_search_acl_trivial" != "none required"; then
+               LIB_ACL=$ac_cv_search_acl_trivial
+             fi
+
+fi
+
+          for ac_func in acl_trivial
+do :
+  ac_fn_c_check_func "$LINENO" "acl_trivial" "ac_cv_func_acl_trivial"
+if test "x$ac_cv_func_acl_trivial" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ACL_TRIVIAL 1
+_ACEOF
+
+fi
+done
+
+          use_acl=1
+        fi
+      fi
+
+            if test $use_acl = 0; then
+        for ac_func in getacl
+do :
+  ac_fn_c_check_func "$LINENO" "getacl" "ac_cv_func_getacl"
+if test "x$ac_cv_func_getacl" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GETACL 1
+_ACEOF
+
+fi
+done
+
+        if test $ac_cv_func_getacl = yes; then
+          use_acl=1
+        fi
+                for ac_header in aclv.h
+do :
+  ac_fn_c_check_header_compile "$LINENO" "aclv.h" "ac_cv_header_aclv_h" "#include <sys/types.h>
+"
+if test "x$ac_cv_header_aclv_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ACLV_H 1
+_ACEOF
+
+fi
+
+done
+
+      fi
+
+            if test $use_acl = 0; then
+        for ac_func in aclx_get
+do :
+  ac_fn_c_check_func "$LINENO" "aclx_get" "ac_cv_func_aclx_get"
+if test "x$ac_cv_func_aclx_get" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ACLX_GET 1
+_ACEOF
+
+fi
+done
+
+        if test $ac_cv_func_aclx_get = yes; then
+          use_acl=1
+        fi
+      fi
+
+            if test $use_acl = 0 || test "$ac_cv_func_aclx_get" = yes; then
+        for ac_func in statacl
+do :
+  ac_fn_c_check_func "$LINENO" "statacl" "ac_cv_func_statacl"
+if test "x$ac_cv_func_statacl" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_STATACL 1
+_ACEOF
+
+fi
+done
+
+        if test $ac_cv_func_statacl = yes; then
+          use_acl=1
+        fi
+      fi
+
+            if test $use_acl = 0; then
+        for ac_func in aclsort
+do :
+  ac_fn_c_check_func "$LINENO" "aclsort" "ac_cv_func_aclsort"
+if test "x$ac_cv_func_aclsort" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ACLSORT 1
+_ACEOF
+
+fi
+done
+
+        if test $ac_cv_func_aclsort = yes; then
+          use_acl=1
+        fi
+      fi
+
+      LIBS=$ac_save_LIBS
+    fi
+    if test "x$enable_acl$use_acl" = "xyes0"; then
+      as_fn_error "ACLs enabled but support not detected" "$LINENO" 5
+    elif test "x$enable_acl$use_acl" = "xauto0"; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libacl development library was not found or not usable." >&5
+$as_echo "$as_me: WARNING: libacl development library was not found or not usable." >&2;}
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: emacs will be built without ACL support." >&5
+$as_echo "$as_me: WARNING: emacs will be built without ACL support." >&2;}
+    fi
+  fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define USE_ACL $use_acl
+_ACEOF
+
+  USE_ACL=$use_acl
+
+
+
 
 
   if test $ac_cv_func_readlink = no; then
@@ -27269,6 +28024,10 @@ if test -z "${GL_GENERATE_ALLOCA_H_TRUE}" && test -z "${GL_GENERATE_ALLOCA_H_FAL
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 
+if test -z "${GL_GENERATE_ERRNO_H_TRUE}" && test -z "${GL_GENERATE_ERRNO_H_FALSE}"; then
+  as_fn_error "conditional \"GL_GENERATE_ERRNO_H\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${GL_GENERATE_EXECINFO_H_TRUE}" && test -z "${GL_GENERATE_EXECINFO_H_FALSE}"; then
   as_fn_error "conditional \"GL_GENERATE_EXECINFO_H\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5