Merge pull request ceph#9853 from dx9/wip-alpine-dev-support

alpine: add alpine linux dev support

.gitignore

@@ -31,6 +31,10 @@ core
 *.log
 /src/td
 
+# alpine abuild things
+.abuild/
+alpine/APKBUILD
+
 # specific local dir files
 /build-doc
 /tags

README.alpine.md

@@ -0,0 +1,38 @@
+# Alpine Build (Experimental)
+
+## Dev Env Setup
+
+```
+apk --update add bash sudo git
+git clone https://github.com/ceph/ceph
+```
+
+### Build
+
+```
+./run-make-check.sh -DWITH_EMBEDDED=OFF -DWITH_SYSTEM_BOOST=ON -DWITH_LTTNG=OFF -DWITH_REENTRANT_STRSIGNAL=ON -DWITH_THREAD_SAFE_RES_QUERY=ON
+```
+
+### Packaging
+
+```
+./make-apk.sh
+```
+
+### Docker
+
+```
+cd ceph/src
+
+./test/docker-test.sh --os-type alpine --os-version edge ./make-apk.sh
+
+or
+
+./test/docker-test.sh --os-type alpine --os-version edge -- ./run-make-check.sh -DWITH_EMBEDDED=OFF -DWITH_SYSTEM_BOOST=ON -DWITH_LTTNG=OFF -DWITH_REENTRANT_STRSIGNAL=ON -DWITH_THREAD_SAFE_RES_QUERY=ON
+
+```
+
+## Known Issues
+
+- Uses musl libc malloc because musl does not currently support replacing malloc implementation. see https://bugs.alpinelinux.org/issues/5389
+- No backtrace support need to look at libunwind integration

alpine/.editorconfig

@@ -0,0 +1,14 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; Plugins are available for notepad++, emacs, vim, gedit,
+; textmate, visual studio, and more.
+;
+; See http://editorconfig.org for details.
+
+# Top-most EditorConfig file.
+root = true
+
+[**/APKBUILD*]
+indent_style = tab
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true