feat: update newlib to 4.5.0.20241231

C library and math library intended for use on embedded systems

Issue: deepin-community/sig-deepin-sysdev-team#558
Log: update repo

.appveyor.yml

@@ -0,0 +1,69 @@
+version: '{build}'
+image: Visual Studio 2019
+
+branches:
+  only:
+  - master
+  - /cygwin/
+
+skip_tags: true
+shallow_clone: true
+
+environment:
+  APPVEYOR_SAVE_CACHE_ON_ERROR: true
+  CACHE: C:\cache
+  CYGWIN_MIRROR: http://cygwin.mirror.constant.com
+  matrix:
+  - BUILD: x86_64-pc-cygwin
+    CYGWIN_ROOT: C:\cygwin64
+    PKGARCH: mingw64-x86_64
+    SETUP: setup-x86_64.exe
+
+cache: C:\cache
+
+install:
+- if not exist %CACHE% mkdir %CACHE%
+- appveyor DownloadFile http://cygwin.com/%SETUP% -FileName %CACHE%\%SETUP%
+- "%CACHE%\\%SETUP% -qnNdO -R %CYGWIN_ROOT% -s %CYGWIN_MIRROR% -l %CACHE% -g -P \
+gcc-core,\
+gcc-g++,\
+autoconf,\
+automake,\
+make,\
+perl,\
+patch,\
+cocom,\
+gettext-devel,\
+libiconv-devel,\
+libzstd-devel,\
+zlib-devel,\
+%PKGARCH%-gcc-core,\
+%PKGARCH%-gcc-g++,\
+%PKGARCH%-zlib,\
+dejagnu,\
+dblatex,\
+docbook2X,\
+docbook-xml45,\
+docbook-xsl,\
+texlive-collection-latexrecommended,\
+texlive-collection-fontsrecommended,\
+texlive-collection-pictures,\
+xmlto,\
+python39-lxml,\
+python39-ply"
+
+build_script: >-
+    %CYGWIN_ROOT%/bin/bash -lc "
+    cd $APPVEYOR_BUILD_FOLDER &&
+    mkdir build install &&
+    (cd winsup; ./autogen.sh) &&
+    cd build &&
+    ../configure --prefix=$(realpath $(pwd)/../install) -v &&
+    export MAKEFLAGS=-j$(nproc) &&
+    make &&
+    make install &&
+    (cd */newlib; make info man) &&
+    (cd */newlib; make install-info install-man)"
+
+test: off
+deploy: off

.gitattributes

@@ -0,0 +1,20 @@
+# -*- conf -*-
+
+## Set merge driver for ChangeLog files 
+# See gnulib's lib/git-merge-changelog.c (or git-merge-changelog(1))
+# for per-user setup instructions.
+#
+# The short version of this (optional) procedure is:
+# 
+# (1) Install git-merge-changelog (this is the tricky part!)
+#
+# (2) Add something like the following to your ~/.gitconfig:
+#
+# [merge "merge-changelog"]
+#         name = GNU-style ChangeLog merge driver
+#         driver = git-merge-changelog %O %A %B
+#
+# (3) Enjoy mostly effortless ChangeLog merges, at least until the
+#     file gets renamed again ...
+
+ChangeLog       merge=merge-changelog