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README.md

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+# websock library
+
+http library including websocket support.
+Built around the C-library libwebsocket
+
+# dependencies
+
+build+install these first
+
+- xo-somelib [github.com/Rconybea/xo-somelib]
+
+# build + install
+
+## build
+```
+$ cd websock
+$ mkdir build
+$ cd build
+$ INSTALL_PREFIX=/usr/local  # or wherever you prefer
+$ cmake -DCMAKE_MODULE_PATH=${INSTALL_PREFIX}/share/cmake -DCMAKE_PREFIX_PATH=${INSTALL_PREFIX} -DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX} ..
+$ make
+$ make install
+```
+(also see .github/workflows/main.yml)
+
+## build for unit test coverage
+```
+$ cd xo-websock
+$ mkdir ccov
+$ cd ccov
+$ cmake -DCMAKE_MODULE_PATH=${INSTALL_PREFIX}/share/cmake  -DCMAKE_PREFIX_PATH=${INSTALL_PREFIX} -DCODE_COVERAGE=ON -DCMAKE_BUILD_TYPE=Debug ..
+```
+
+# development
+
+## LSP support
+
+LSP looks for compile commands in the root of the source tree;
+cmake creates them in the root of its build directory.
+
+```
+$ cd xo-websock
+$ ln -s build/compile_commands.json
+```
+
+## display cmake variables
+
+- `-L` list variables
+- `-A` include 'advanced' variables
+- `-H` include help text
+
+```
+$ cd websock/build
+$ cmake -LAH
+```