Adding upstream version 3.7.9.upstream/3.7.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 842 insertions, 0 deletions

diff --git a/lib/unistring/m4/gnulib-cache.m4 b/lib/unistring/m4/gnulib-cache.m4
new file mode 100644
index 0000000..d51f5b6
--- /dev/null
+++ b/lib/unistring/m4/gnulib-cache.m4
@@ -0,0 +1,86 @@
+# Copyright (C) 2002-2021 Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
+# the same distribution terms as the rest of that program.
+#
+# Generated by gnulib-tool.
+#
+# This file represents the specification of how gnulib-tool is used.
+# It acts as a cache: It is written and read by gnulib-tool.
+# In projects that use version control, this file is meant to be put under
+# version control, like the configure.ac and various Makefile.am files.
+
+
+# Specification in the form of a command-line invocation:
+# gnulib-tool --import --local-dir=lib/unistring/override \
+#  --lib=libunistring \
+#  --source-base=lib/unistring \
+#  --m4-base=lib/unistring/m4 \
+#  --doc-base=doc \
+#  --tests-base=tests \
+#  --aux-dir=build-aux \
+#  --lgpl=3orGPLv2 \
+#  --no-conditional-dependencies \
+#  --libtool \
+#  --macro-prefix=unistring \
+#  unictype/category-all \
+#  unictype/property-default-ignorable-code-point \
+#  unictype/property-join-control \
+#  unictype/property-not-a-character \
+#  uninorm/nfc \
+#  uninorm/nfkc \
+#  uninorm/u16-normalize \
+#  uninorm/u32-normalize \
+#  uninorm/u8-normalize \
+#  unistr/u16-to-u8 \
+#  unistr/u32-to-u8 \
+#  unistr/u8-check \
+#  unistr/u8-to-u16 \
+#  unistr/u8-to-u32
+
+# Specification in the form of a few gnulib-tool.m4 macro invocations:
+gl_LOCAL_DIR([lib/unistring/override])
+gl_MODULES([
+  unictype/category-all
+  unictype/property-default-ignorable-code-point
+  unictype/property-join-control
+  unictype/property-not-a-character
+  uninorm/nfc
+  uninorm/nfkc
+  uninorm/u16-normalize
+  uninorm/u32-normalize
+  uninorm/u8-normalize
+  unistr/u16-to-u8
+  unistr/u32-to-u8
+  unistr/u8-check
+  unistr/u8-to-u16
+  unistr/u8-to-u32
+])
+gl_AVOID([])
+gl_SOURCE_BASE([lib/unistring])
+gl_M4_BASE([lib/unistring/m4])
+gl_PO_BASE([])
+gl_DOC_BASE([doc])
+gl_TESTS_BASE([tests])
+gl_LIB([libunistring])
+gl_LGPL([3orGPLv2])
+gl_MAKEFILE_NAME([])
+gl_LIBTOOL
+gl_MACRO_PREFIX([unistring])
+gl_PO_DOMAIN([])
+gl_WITNESS_C_MACRO([])
diff --git a/lib/unistring/m4/gnulib-comp.m4 b/lib/unistring/m4/gnulib-comp.m4
new file mode 100644
index 0000000..449807f
--- /dev/null
+++ b/lib/unistring/m4/gnulib-comp.m4
@@ -0,0 +1,575 @@
+# DO NOT EDIT! GENERATED AUTOMATICALLY!
+# Copyright (C) 2002-2021 Free Software Foundation, Inc.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <https://www.gnu.org/licenses/>.
+#
+# As a special exception to the GNU General Public License,
+# this file may be distributed as part of a program that
+# contains a configuration script generated by Autoconf, under
+# the same distribution terms as the rest of that program.
+#
+# Generated by gnulib-tool.
+#
+# This file represents the compiled summary of the specification in
+# gnulib-cache.m4. It lists the computed macro invocations that need
+# to be invoked from configure.ac.
+# In projects that use version control, this file can be treated like
+# other built files.
+
+
+# This macro should be invoked from ./configure.ac, in the section
+# "Checks for programs", right after AC_PROG_CC, and certainly before
+# any checks for libraries, header files, types and library functions.
+AC_DEFUN([unistring_EARLY],
+[
+  m4_pattern_forbid([^gl_[A-Z]])dnl the gnulib macro namespace
+  m4_pattern_allow([^gl_ES$])dnl a valid locale name
+  m4_pattern_allow([^gl_LIBOBJS$])dnl a variable
+  m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable
+
+  # Pre-early section.
+  AC_REQUIRE([gl_PROG_AR_RANLIB])
+
+  AC_REQUIRE([AM_PROG_CC_C_O])
+  # Code from module absolute-header:
+  # Code from module array-mergesort:
+  # Code from module attribute:
+  # Code from module gperf:
+  # Code from module include_next:
+  # Code from module inline:
+  # Code from module limits-h:
+  # Code from module multiarch:
+  # Code from module snippet/unused-parameter:
+  # Code from module ssize_t:
+  # Code from module stdbool:
+  # Code from module stdint:
+  # Code from module sys_types:
+  # Code from module unictype/base:
+  # Code from module unictype/category-C:
+  # Code from module unictype/category-Cc:
+  # Code from module unictype/category-Cf:
+  # Code from module unictype/category-Cn:
+  # Code from module unictype/category-Co:
+  # Code from module unictype/category-Cs:
+  # Code from module unictype/category-L:
+  # Code from module unictype/category-LC:
+  # Code from module unictype/category-Ll:
+  # Code from module unictype/category-Lm:
+  # Code from module unictype/category-Lo:
+  # Code from module unictype/category-Lt:
+  # Code from module unictype/category-Lu:
+  # Code from module unictype/category-M:
+  # Code from module unictype/category-Mc:
+  # Code from module unictype/category-Me:
+  # Code from module unictype/category-Mn:
+  # Code from module unictype/category-N:
+  # Code from module unictype/category-Nd:
+  # Code from module unictype/category-Nl:
+  # Code from module unictype/category-No:
+  # Code from module unictype/category-P:
+  # Code from module unictype/category-Pc:
+  # Code from module unictype/category-Pd:
+  # Code from module unictype/category-Pe:
+  # Code from module unictype/category-Pf:
+  # Code from module unictype/category-Pi:
+  # Code from module unictype/category-Po:
+  # Code from module unictype/category-Ps:
+  # Code from module unictype/category-S:
+  # Code from module unictype/category-Sc:
+  # Code from module unictype/category-Sk:
+  # Code from module unictype/category-Sm:
+  # Code from module unictype/category-So:
+  # Code from module unictype/category-Z:
+  # Code from module unictype/category-Zl:
+  # Code from module unictype/category-Zp:
+  # Code from module unictype/category-Zs:
+  # Code from module unictype/category-all:
+  # Code from module unictype/category-and:
+  # Code from module unictype/category-and-not:
+  # Code from module unictype/category-byname:
+  # Code from module unictype/category-longname:
+  # Code from module unictype/category-name:
+  # Code from module unictype/category-none:
+  # Code from module unictype/category-of:
+  # Code from module unictype/category-or:
+  # Code from module unictype/category-test:
+  # Code from module unictype/category-test-withtable:
+  # Code from module unictype/combining-class:
+  # Code from module unictype/property-default-ignorable-code-point:
+  # Code from module unictype/property-join-control:
+  # Code from module unictype/property-not-a-character:
+  # Code from module uninorm/base:
+  # Code from module uninorm/canonical-decomposition:
+  # Code from module uninorm/compat-decomposition:
+  # Code from module uninorm/composition:
+  # Code from module uninorm/decompose-internal:
+  # Code from module uninorm/decomposition:
+  # Code from module uninorm/decomposition-table:
+  # Code from module uninorm/nfc:
+  # Code from module uninorm/nfd:
+  # Code from module uninorm/nfkc:
+  # Code from module uninorm/nfkd:
+  # Code from module uninorm/u16-normalize:
+  # Code from module uninorm/u32-normalize:
+  # Code from module uninorm/u8-normalize:
+  # Code from module unistr/base:
+  # Code from module unistr/u16-cpy:
+  # Code from module unistr/u16-mbtouc-unsafe:
+  # Code from module unistr/u16-mbtoucr:
+  # Code from module unistr/u16-to-u8:
+  # Code from module unistr/u16-uctomb:
+  # Code from module unistr/u32-cpy:
+  # Code from module unistr/u32-mbtouc-unsafe:
+  # Code from module unistr/u32-to-u8:
+  # Code from module unistr/u32-uctomb:
+  # Code from module unistr/u8-check:
+  # Code from module unistr/u8-cpy:
+  # Code from module unistr/u8-mbtouc-unsafe:
+  # Code from module unistr/u8-mbtoucr:
+  # Code from module unistr/u8-to-u16:
+  # Code from module unistr/u8-to-u32:
+  # Code from module unistr/u8-uctomb:
+  # Code from module unitypes:
+])
+
+# This macro should be invoked from ./configure.ac, in the section
+# "Check for header files, types and library functions".
+AC_DEFUN([unistring_INIT],
+[
+  AM_CONDITIONAL([GL_COND_LIBTOOL], [true])
+  gl_cond_libtool=true
+  gl_m4_base='lib/unistring/m4'
+  m4_pushdef([AC_LIBOBJ], m4_defn([unistring_LIBOBJ]))
+  m4_pushdef([AC_REPLACE_FUNCS], m4_defn([unistring_REPLACE_FUNCS]))
+  m4_pushdef([AC_LIBSOURCES], m4_defn([unistring_LIBSOURCES]))
+  m4_pushdef([unistring_LIBSOURCES_LIST], [])
+  m4_pushdef([unistring_LIBSOURCES_DIR], [])
+  m4_pushdef([GL_MACRO_PREFIX], [unistring])
+  m4_pushdef([GL_MODULE_INDICATOR_PREFIX], [GL_UNISTRING])
+  gl_COMMON
+  gl_source_base='lib/unistring'
+  gl_INLINE
+  gl_LIMITS_H
+  gl_MULTIARCH
+  gt_TYPE_SSIZE_T
+  AM_STDBOOL_H
+  gl_STDINT_H
+  gl_SYS_TYPES_H
+  gl_SYS_TYPES_H_REQUIRE_DEFAULTS
+  AC_PROG_MKDIR_P
+  gl_LIBUNISTRING_LIBHEADER([0.9.8], [unictype.h])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-C])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Cc])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Cf])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Cn])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Co])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Cs])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-L])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-LC])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Ll])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Lm])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Lo])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Lt])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Lu])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-M])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Mc])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Me])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Mn])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-N])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Nd])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Nl])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-No])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-P])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Pc])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Pd])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Pe])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Pf])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Pi])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Po])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Ps])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-S])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Sc])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Sk])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Sm])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-So])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Z])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Zl])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Zp])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-Zs])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-and])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-and-not])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-byname])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-longname])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-name])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-none])
+  AC_REQUIRE([AC_C_INLINE])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-of])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-or])
+  AC_REQUIRE([AC_C_INLINE])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/category-test])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/combining-class])
+  AC_REQUIRE([AC_C_INLINE])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/property-default-ignorable-code-point])
+  AC_REQUIRE([AC_C_INLINE])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/property-join-control])
+  AC_REQUIRE([AC_C_INLINE])
+  gl_LIBUNISTRING_MODULE([0.9.8], [unictype/property-not-a-character])
+  gl_LIBUNISTRING_LIBHEADER([0.9.11], [uninorm.h])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/canonical-decomposition])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/composition])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/decomposition])
+  AC_REQUIRE([AC_C_INLINE])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/nfc])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/nfd])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/nfkc])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/nfkd])
+  gl_MODULE_INDICATOR_FOR_TESTS([uninorm/u16-normalize])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/u16-normalize])
+  gl_MODULE_INDICATOR_FOR_TESTS([uninorm/u32-normalize])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/u32-normalize])
+  gl_MODULE_INDICATOR_FOR_TESTS([uninorm/u8-normalize])
+  gl_LIBUNISTRING_MODULE([0.9.8], [uninorm/u8-normalize])
+  gl_LIBUNISTRING_LIBHEADER([0.9.11], [unistr.h])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u16-cpy])
+  gl_MODULE_INDICATOR([unistr/u16-mbtouc-unsafe])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u16-mbtouc-unsafe])
+  gl_MODULE_INDICATOR([unistr/u16-mbtoucr])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u16-mbtoucr])
+  gl_LIBUNISTRING_MODULE([0.9.3], [unistr/u16-to-u8])
+  gl_MODULE_INDICATOR([unistr/u16-uctomb])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u16-uctomb])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u32-cpy])
+  gl_MODULE_INDICATOR([unistr/u32-mbtouc-unsafe])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u32-mbtouc-unsafe])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u32-to-u8])
+  gl_MODULE_INDICATOR([unistr/u32-uctomb])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u32-uctomb])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-check])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-cpy])
+  gl_MODULE_INDICATOR([unistr/u8-mbtouc-unsafe])
+  gl_LIBUNISTRING_MODULE([0.9.4], [unistr/u8-mbtouc-unsafe])
+  gl_MODULE_INDICATOR([unistr/u8-mbtoucr])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-mbtoucr])
+  gl_LIBUNISTRING_MODULE([0.9.3], [unistr/u8-to-u16])
+  gl_LIBUNISTRING_MODULE([0.9.3], [unistr/u8-to-u32])
+  gl_MODULE_INDICATOR([unistr/u8-uctomb])
+  gl_LIBUNISTRING_MODULE([0.9], [unistr/u8-uctomb])
+  gl_LIBUNISTRING_LIBHEADER([0.9.11], [unitypes.h])
+  # End of code from modules
+  m4_ifval(unistring_LIBSOURCES_LIST, [
+    m4_syscmd([test ! -d ]m4_defn([unistring_LIBSOURCES_DIR])[ ||
+      for gl_file in ]unistring_LIBSOURCES_LIST[ ; do
+        if test ! -r ]m4_defn([unistring_LIBSOURCES_DIR])[/$gl_file ; then
+          echo "missing file ]m4_defn([unistring_LIBSOURCES_DIR])[/$gl_file" >&2
+          exit 1
+        fi
+      done])dnl
+      m4_if(m4_sysval, [0], [],
+        [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])])
+  ])
+  m4_popdef([GL_MODULE_INDICATOR_PREFIX])
+  m4_popdef([GL_MACRO_PREFIX])
+  m4_popdef([unistring_LIBSOURCES_DIR])
+  m4_popdef([unistring_LIBSOURCES_LIST])
+  m4_popdef([AC_LIBSOURCES])
+  m4_popdef([AC_REPLACE_FUNCS])
+  m4_popdef([AC_LIBOBJ])
+  AC_CONFIG_COMMANDS_PRE([
+    unistring_libobjs=
+    unistring_ltlibobjs=
+    if test -n "$unistring_LIBOBJS"; then
+      # Remove the extension.
+      sed_drop_objext='s/\.o$//;s/\.obj$//'
+      for i in `for i in $unistring_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
+        unistring_libobjs="$unistring_libobjs $i.$ac_objext"
+        unistring_ltlibobjs="$unistring_ltlibobjs $i.lo"
+      done
+    fi
+    AC_SUBST([unistring_LIBOBJS], [$unistring_libobjs])
+    AC_SUBST([unistring_LTLIBOBJS], [$unistring_ltlibobjs])
+  ])
+  gltests_libdeps=
+  gltests_ltlibdeps=
+  m4_pushdef([AC_LIBOBJ], m4_defn([unistringtests_LIBOBJ]))
+  m4_pushdef([AC_REPLACE_FUNCS], m4_defn([unistringtests_REPLACE_FUNCS]))
+  m4_pushdef([AC_LIBSOURCES], m4_defn([unistringtests_LIBSOURCES]))
+  m4_pushdef([unistringtests_LIBSOURCES_LIST], [])
+  m4_pushdef([unistringtests_LIBSOURCES_DIR], [])
+  m4_pushdef([GL_MACRO_PREFIX], [unistringtests])
+  m4_pushdef([GL_MODULE_INDICATOR_PREFIX], [GL_UNISTRING])
+  gl_COMMON
+  gl_source_base='tests'
+changequote(,)dnl
+  unistringtests_WITNESS=IN_`echo "${PACKAGE-$PACKAGE_TARNAME}" | LC_ALL=C tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | LC_ALL=C sed -e 's/[^A-Z0-9_]/_/g'`_GNULIB_TESTS
+changequote([, ])dnl
+  AC_SUBST([unistringtests_WITNESS])
+  gl_module_indicator_condition=$unistringtests_WITNESS
+  m4_pushdef([gl_MODULE_INDICATOR_CONDITION], [$gl_module_indicator_condition])
+  m4_popdef([gl_MODULE_INDICATOR_CONDITION])
+  m4_ifval(unistringtests_LIBSOURCES_LIST, [
+    m4_syscmd([test ! -d ]m4_defn([unistringtests_LIBSOURCES_DIR])[ ||
+      for gl_file in ]unistringtests_LIBSOURCES_LIST[ ; do
+        if test ! -r ]m4_defn([unistringtests_LIBSOURCES_DIR])[/$gl_file ; then
+          echo "missing file ]m4_defn([unistringtests_LIBSOURCES_DIR])[/$gl_file" >&2
+          exit 1
+        fi
+      done])dnl
+      m4_if(m4_sysval, [0], [],
+        [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])])
+  ])
+  m4_popdef([GL_MODULE_INDICATOR_PREFIX])
+  m4_popdef([GL_MACRO_PREFIX])
+  m4_popdef([unistringtests_LIBSOURCES_DIR])
+  m4_popdef([unistringtests_LIBSOURCES_LIST])
+  m4_popdef([AC_LIBSOURCES])
+  m4_popdef([AC_REPLACE_FUNCS])
+  m4_popdef([AC_LIBOBJ])
+  AC_CONFIG_COMMANDS_PRE([
+    unistringtests_libobjs=
+    unistringtests_ltlibobjs=
+    if test -n "$unistringtests_LIBOBJS"; then
+      # Remove the extension.
+      sed_drop_objext='s/\.o$//;s/\.obj$//'
+      for i in `for i in $unistringtests_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do
+        unistringtests_libobjs="$unistringtests_libobjs $i.$ac_objext"
+        unistringtests_ltlibobjs="$unistringtests_ltlibobjs $i.lo"
+      done
+    fi
+    AC_SUBST([unistringtests_LIBOBJS], [$unistringtests_libobjs])
+    AC_SUBST([unistringtests_LTLIBOBJS], [$unistringtests_ltlibobjs])
+  ])
+])
+
+# Like AC_LIBOBJ, except that the module name goes
+# into unistring_LIBOBJS instead of into LIBOBJS.
+AC_DEFUN([unistring_LIBOBJ], [
+  AS_LITERAL_IF([$1], [unistring_LIBSOURCES([$1.c])])dnl
+  unistring_LIBOBJS="$unistring_LIBOBJS $1.$ac_objext"
+])
+
+# Like AC_REPLACE_FUNCS, except that the module name goes
+# into unistring_LIBOBJS instead of into LIBOBJS.
+AC_DEFUN([unistring_REPLACE_FUNCS], [
+  m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl
+  AC_CHECK_FUNCS([$1], , [unistring_LIBOBJ($ac_func)])
+])
+
+# Like AC_LIBSOURCES, except the directory where the source file is
+# expected is derived from the gnulib-tool parameterization,
+# and alloca is special cased (for the alloca-opt module).
+# We could also entirely rely on EXTRA_lib..._SOURCES.
+AC_DEFUN([unistring_LIBSOURCES], [
+  m4_foreach([_gl_NAME], [$1], [
+    m4_if(_gl_NAME, [alloca.c], [], [
+      m4_define([unistring_LIBSOURCES_DIR], [lib/unistring])
+      m4_append([unistring_LIBSOURCES_LIST], _gl_NAME, [ ])
+    ])
+  ])
+])
+
+# Like AC_LIBOBJ, except that the module name goes
+# into unistringtests_LIBOBJS instead of into LIBOBJS.
+AC_DEFUN([unistringtests_LIBOBJ], [
+  AS_LITERAL_IF([$1], [unistringtests_LIBSOURCES([$1.c])])dnl
+  unistringtests_LIBOBJS="$unistringtests_LIBOBJS $1.$ac_objext"
+])
+
+# Like AC_REPLACE_FUNCS, except that the module name goes
+# into unistringtests_LIBOBJS instead of into LIBOBJS.
+AC_DEFUN([unistringtests_REPLACE_FUNCS], [
+  m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl
+  AC_CHECK_FUNCS([$1], , [unistringtests_LIBOBJ($ac_func)])
+])
+
+# Like AC_LIBSOURCES, except the directory where the source file is
+# expected is derived from the gnulib-tool parameterization,
+# and alloca is special cased (for the alloca-opt module).
+# We could also entirely rely on EXTRA_lib..._SOURCES.
+AC_DEFUN([unistringtests_LIBSOURCES], [
+  m4_foreach([_gl_NAME], [$1], [
+    m4_if(_gl_NAME, [alloca.c], [], [
+      m4_define([unistringtests_LIBSOURCES_DIR], [tests])
+      m4_append([unistringtests_LIBSOURCES_LIST], _gl_NAME, [ ])
+    ])
+  ])
+])
+
+# This macro records the list of files which have been installed by
+# gnulib-tool and may be removed by future gnulib-tool invocations.
+AC_DEFUN([unistring_FILE_LIST], [
+  lib/array-mergesort.h
+  lib/attribute.h
+  lib/limits.in.h
+  lib/stdbool.in.h
+  lib/stdint.in.h
+  lib/sys_types.in.h
+  lib/unictype.in.h
+  lib/unictype/bitmap.h
+  lib/unictype/categ_C.c
+  lib/unictype/categ_C.h
+  lib/unictype/categ_Cc.c
+  lib/unictype/categ_Cc.h
+  lib/unictype/categ_Cf.c
+  lib/unictype/categ_Cf.h
+  lib/unictype/categ_Cn.c
+  lib/unictype/categ_Cn.h
+  lib/unictype/categ_Co.c
+  lib/unictype/categ_Co.h
+  lib/unictype/categ_Cs.c
+  lib/unictype/categ_Cs.h
+  lib/unictype/categ_L.c
+  lib/unictype/categ_L.h
+  lib/unictype/categ_LC.c
+  lib/unictype/categ_LC.h
+  lib/unictype/categ_Ll.c
+  lib/unictype/categ_Ll.h
+  lib/unictype/categ_Lm.c
+  lib/unictype/categ_Lm.h
+  lib/unictype/categ_Lo.c
+  lib/unictype/categ_Lo.h
+  lib/unictype/categ_Lt.c
+  lib/unictype/categ_Lt.h
+  lib/unictype/categ_Lu.c
+  lib/unictype/categ_Lu.h
+  lib/unictype/categ_M.c
+  lib/unictype/categ_M.h
+  lib/unictype/categ_Mc.c
+  lib/unictype/categ_Mc.h
+  lib/unictype/categ_Me.c
+  lib/unictype/categ_Me.h
+  lib/unictype/categ_Mn.c
+  lib/unictype/categ_Mn.h
+  lib/unictype/categ_N.c
+  lib/unictype/categ_N.h
+  lib/unictype/categ_Nd.c
+  lib/unictype/categ_Nd.h
+  lib/unictype/categ_Nl.c
+  lib/unictype/categ_Nl.h
+  lib/unictype/categ_No.c
+  lib/unictype/categ_No.h
+  lib/unictype/categ_P.c
+  lib/unictype/categ_P.h
+  lib/unictype/categ_Pc.c
+  lib/unictype/categ_Pc.h
+  lib/unictype/categ_Pd.c
+  lib/unictype/categ_Pd.h
+  lib/unictype/categ_Pe.c
+  lib/unictype/categ_Pe.h
+  lib/unictype/categ_Pf.c
+  lib/unictype/categ_Pf.h
+  lib/unictype/categ_Pi.c
+  lib/unictype/categ_Pi.h
+  lib/unictype/categ_Po.c
+  lib/unictype/categ_Po.h
+  lib/unictype/categ_Ps.c
+  lib/unictype/categ_Ps.h
+  lib/unictype/categ_S.c
+  lib/unictype/categ_S.h
+  lib/unictype/categ_Sc.c
+  lib/unictype/categ_Sc.h
+  lib/unictype/categ_Sk.c
+  lib/unictype/categ_Sk.h
+  lib/unictype/categ_Sm.c
+  lib/unictype/categ_Sm.h
+  lib/unictype/categ_So.c
+  lib/unictype/categ_So.h
+  lib/unictype/categ_Z.c
+  lib/unictype/categ_Z.h
+  lib/unictype/categ_Zl.c
+  lib/unictype/categ_Zl.h
+  lib/unictype/categ_Zp.c
+  lib/unictype/categ_Zp.h
+  lib/unictype/categ_Zs.c
+  lib/unictype/categ_Zs.h
+  lib/unictype/categ_and.c
+  lib/unictype/categ_and_not.c
+  lib/unictype/categ_byname.c
+  lib/unictype/categ_byname.gperf
+  lib/unictype/categ_longname.c
+  lib/unictype/categ_name.c
+  lib/unictype/categ_none.c
+  lib/unictype/categ_of.c
+  lib/unictype/categ_of.h
+  lib/unictype/categ_or.c
+  lib/unictype/categ_test.c
+  lib/unictype/combiningclass.c
+  lib/unictype/combiningclass.h
+  lib/unictype/pr_default_ignorable_code_point.c
+  lib/unictype/pr_default_ignorable_code_point.h
+  lib/unictype/pr_join_control.c
+  lib/unictype/pr_join_control.h
+  lib/unictype/pr_not_a_character.c
+  lib/unictype/pr_not_a_character.h
+  lib/uninorm.in.h
+  lib/uninorm/canonical-decomposition.c
+  lib/uninorm/compat-decomposition.c
+  lib/uninorm/composition-table.gperf
+  lib/uninorm/composition.c
+  lib/uninorm/decompose-internal.c
+  lib/uninorm/decompose-internal.h
+  lib/uninorm/decomposition-table.c
+  lib/uninorm/decomposition-table.h
+  lib/uninorm/decomposition-table1.h
+  lib/uninorm/decomposition-table2.h
+  lib/uninorm/decomposition.c
+  lib/uninorm/nfc.c
+  lib/uninorm/nfd.c
+  lib/uninorm/nfkc.c
+  lib/uninorm/nfkd.c
+  lib/uninorm/normalize-internal.h
+  lib/uninorm/u-normalize-internal.h
+  lib/uninorm/u16-normalize.c
+  lib/uninorm/u32-normalize.c
+  lib/uninorm/u8-normalize.c
+  lib/unistr.in.h
+  lib/unistr/u-cpy.h
+  lib/unistr/u16-cpy.c
+  lib/unistr/u16-mbtouc-unsafe-aux.c
+  lib/unistr/u16-mbtouc-unsafe.c
+  lib/unistr/u16-mbtoucr.c
+  lib/unistr/u16-to-u8.c
+  lib/unistr/u16-uctomb-aux.c
+  lib/unistr/u16-uctomb.c
+  lib/unistr/u32-cpy.c
+  lib/unistr/u32-mbtouc-unsafe.c
+  lib/unistr/u32-to-u8.c
+  lib/unistr/u32-uctomb.c
+  lib/unistr/u8-check.c
+  lib/unistr/u8-cpy.c
+  lib/unistr/u8-mbtouc-unsafe-aux.c
+  lib/unistr/u8-mbtouc-unsafe.c
+  lib/unistr/u8-mbtoucr.c
+  lib/unistr/u8-to-u16.c
+  lib/unistr/u8-to-u32.c
+  lib/unistr/u8-uctomb-aux.c
+  lib/unistr/u8-uctomb.c
+  lib/unitypes.in.h
+  lib/unused-parameter.h
+  m4/00gnulib.m4
+  m4/absolute-header.m4
+  m4/gnulib-common.m4
+  m4/include_next.m4
+  m4/inline.m4
+  m4/libunistring-base.m4
+  m4/limits-h.m4
+  m4/multiarch.m4
+  m4/off_t.m4
+  m4/pid_t.m4
+  m4/ssize_t.m4
+  m4/stdbool.m4
+  m4/stdint.m4
+  m4/sys_types_h.m4
+  m4/wint_t.m4
+  m4/zzgnulib.m4
+])
diff --git a/lib/unistring/m4/inline.m4 b/lib/unistring/m4/inline.m4
new file mode 100644
index 0000000..04fc774
--- /dev/null
+++ b/lib/unistring/m4/inline.m4
@@ -0,0 +1,40 @@
+# inline.m4 serial 4
+dnl Copyright (C) 2006, 2009-2021 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Test for the 'inline' keyword or equivalent.
+dnl Define 'inline' to a supported equivalent, or to nothing if not supported,
+dnl like AC_C_INLINE does.  Also, define HAVE_INLINE if 'inline' or an
+dnl equivalent is effectively supported, i.e. if the compiler is likely to
+dnl drop unused 'static inline' functions.
+AC_DEFUN([gl_INLINE],
+[
+  AC_REQUIRE([AC_C_INLINE])
+  AC_CACHE_CHECK([whether the compiler generally respects inline],
+    [gl_cv_c_inline_effective],
+    [if test $ac_cv_c_inline = no; then
+       gl_cv_c_inline_effective=no
+     else
+       dnl GCC defines __NO_INLINE__ if not optimizing or if -fno-inline is
+       dnl specified.
+       dnl Use AC_COMPILE_IFELSE here, not AC_EGREP_CPP, because the result
+       dnl depends on optimization flags, which can be in CFLAGS.
+       dnl (AC_EGREP_CPP looks only at the CPPFLAGS.)
+       AC_COMPILE_IFELSE(
+         [AC_LANG_PROGRAM([[]],
+           [[#ifdef __NO_INLINE__
+               #error "inline is not effective"
+             #endif]])],
+         [gl_cv_c_inline_effective=yes],
+         [gl_cv_c_inline_effective=no])
+     fi
+    ])
+  if test $gl_cv_c_inline_effective = yes; then
+    AC_DEFINE([HAVE_INLINE], [1],
+      [Define to 1 if the compiler supports one of the keywords
+       'inline', '__inline__', '__inline' and effectively inlines
+       functions marked as such.])
+  fi
+])
diff --git a/lib/unistring/m4/libunistring-base.m4 b/lib/unistring/m4/libunistring-base.m4
new file mode 100644
index 0000000..657bc0d
--- /dev/null
+++ b/lib/unistring/m4/libunistring-base.m4
@@ -0,0 +1,141 @@
+# libunistring-base.m4 serial 5
+dnl Copyright (C) 2010-2021 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Paolo Bonzini and Bruno Haible.
+
+dnl gl_LIBUNISTRING_MODULE([VERSION], [Module])
+dnl Declares that the source files of Module should be compiled, unless we
+dnl are linking with libunistring and its version is >= the given VERSION.
+dnl Defines an automake conditional LIBUNISTRING_COMPILE_$MODULE that is
+dnl true if the source files of Module should be compiled.
+dnl This macro is to be used for public libunistring API, not for
+dnl undocumented API.
+dnl
+dnl You have to bump the VERSION argument to the next projected version
+dnl number each time you make a change that affects the behaviour of the
+dnl functions defined in Module (even if the sources of Module itself do not
+dnl change).
+
+AC_DEFUN([gl_LIBUNISTRING_MODULE],
+[
+  AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE])
+  dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from
+  dnl gl_LIBUNISTRING_CORE if that macro has been run.
+  AM_CONDITIONAL(AS_TR_CPP([LIBUNISTRING_COMPILE_$2]),
+    [gl_LIBUNISTRING_VERSION_CMP([$1])])
+])
+
+dnl gl_LIBUNISTRING_LIBHEADER([VERSION], [HeaderFile])
+dnl Declares that HeaderFile should be created, unless we are linking
+dnl with libunistring and its version is >= the given VERSION.
+dnl HeaderFile should be relative to the lib directory and end in '.h'.
+dnl Prepares for substituting LIBUNISTRING_HEADERFILE (to HeaderFile or empty).
+dnl
+dnl When we are linking with the already installed libunistring and its version
+dnl is < VERSION, we create HeaderFile here, because we may compile functions
+dnl (via gl_LIBUNISTRING_MODULE above) that are not contained in the installed
+dnl version.
+dnl When we are linking with the already installed libunistring and its version
+dnl is > VERSION, we don't create HeaderFile here: it could cause compilation
+dnl errors in other libunistring header files if some types are missing.
+dnl
+dnl You have to bump the VERSION argument to the next projected version
+dnl number each time you make a non-comment change to the HeaderFile.
+
+AC_DEFUN([gl_LIBUNISTRING_LIBHEADER],
+[
+  AC_REQUIRE([gl_LIBUNISTRING_LIB_PREPARE])
+  dnl Use the variables HAVE_LIBUNISTRING, LIBUNISTRING_VERSION from
+  dnl gl_LIBUNISTRING_CORE if that macro has been run.
+  if gl_LIBUNISTRING_VERSION_CMP([$1]); then
+    LIBUNISTRING_[]AS_TR_CPP([$2])='$2'
+  else
+    LIBUNISTRING_[]AS_TR_CPP([$2])=
+  fi
+  AC_SUBST([LIBUNISTRING_]AS_TR_CPP([$2]))
+])
+
+dnl Miscellaneous preparations/initializations.
+
+AC_DEFUN([gl_LIBUNISTRING_LIB_PREPARE],
+[
+  dnl Ensure that HAVE_LIBUNISTRING is fully determined at this point.
+  m4_ifdef([gl_LIBUNISTRING], [AC_REQUIRE([gl_LIBUNISTRING])])
+
+  AC_REQUIRE([AC_PROG_AWK])
+
+dnl Sed expressions to extract the parts of a version number.
+changequote(,)
+gl_libunistring_sed_extract_major='/^[0-9]/{s/^\([0-9]*\).*/\1/p;q;}
+i\
+0
+q
+'
+gl_libunistring_sed_extract_minor='/^[0-9][0-9]*[.][0-9]/{s/^[0-9]*[.]\([0-9]*\).*/\1/p;q;}
+i\
+0
+q
+'
+gl_libunistring_sed_extract_subminor='/^[0-9][0-9]*[.][0-9][0-9]*[.][0-9]/{s/^[0-9]*[.][0-9]*[.]\([0-9]*\).*/\1/p;q;}
+i\
+0
+q
+'
+changequote([,])
+
+  if test "$HAVE_LIBUNISTRING" = yes; then
+    LIBUNISTRING_VERSION_MAJOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_major"`
+    LIBUNISTRING_VERSION_MINOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_minor"`
+    LIBUNISTRING_VERSION_SUBMINOR=`echo "$LIBUNISTRING_VERSION" | sed -n -e "$gl_libunistring_sed_extract_subminor"`
+  fi
+])
+
+dnl gl_LIBUNISTRING_VERSION_CMP([VERSION])
+dnl Expands to a shell statement that evaluates to true if LIBUNISTRING_VERSION
+dnl is less than the VERSION argument.
+AC_DEFUN([gl_LIBUNISTRING_VERSION_CMP],
+[ { test "$HAVE_LIBUNISTRING" != yes \
+    || {
+         dnl AS_LITERAL_IF exists and works fine since autoconf-2.59 at least.
+         AS_LITERAL_IF([$1],
+           [dnl This is the optimized variant, that assumes the argument is a literal:
+            m4_pushdef([requested_version_major],
+              [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^\([0-9]*\).*], [\1]), [])])
+            m4_pushdef([requested_version_minor],
+              [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9]*[.]\([0-9]*\).*], [\1]), [$1])])
+            m4_pushdef([requested_version_subminor],
+              [gl_LIBUNISTRING_ARG_OR_ZERO(m4_bpatsubst([$1], [^[0-9]*[.][0-9]*[.]\([0-9]*\).*], [\1]), [$1])])
+            test $LIBUNISTRING_VERSION_MAJOR -lt requested_version_major \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq requested_version_major \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt requested_version_minor \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq requested_version_minor \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt requested_version_subminor
+                         }
+                    }
+               }
+            m4_popdef([requested_version_subminor])
+            m4_popdef([requested_version_minor])
+            m4_popdef([requested_version_major])
+           ],
+           [dnl This is the unoptimized variant:
+            requested_version_major=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_major"`
+            requested_version_minor=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_minor"`
+            requested_version_subminor=`echo '$1' | sed -n -e "$gl_libunistring_sed_extract_subminor"`
+            test $LIBUNISTRING_VERSION_MAJOR -lt $requested_version_major \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq $requested_version_major \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt $requested_version_minor \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq $requested_version_minor \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt $requested_version_subminor
+                         }
+                    }
+               }
+           ])
+       }
+  }])
+
+dnl gl_LIBUNISTRING_ARG_OR_ZERO([ARG], [ORIG]) expands to ARG if it is not the
+dnl same as ORIG, otherwise to 0.
+m4_define([gl_LIBUNISTRING_ARG_OR_ZERO], [m4_if([$1], [$2], [0], [$1])])