add helloworld-cpp-cmake

helloworld-cpp-cmake/.clang-format

@@ -0,0 +1,14 @@
+BasedOnStyle: WebKit
+IndentWidth: 4
+ColumnLimit: 80
+IndentCaseLabels: true
+BreakBeforeBraces: Custom
+BraceWrapping:
+    AfterFunction: true
+    SplitEmptyFunction: false
+AlignAfterOpenBracket: BlockIndent
+AlignOperands: AlignAfterOperator
+BreakBeforeBinaryOperators: true
+BinPackArguments: false
+BinPackParameters: false
+

helloworld-cpp-cmake/.gitignore

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+build/
+.cache/
+

helloworld-cpp-cmake/CMakeLists.txt

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+
+cmake_minimum_required(VERSION 3.29)
+project(MyProject VERSION 1.0.0 LANGUAGES C CXX)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS true)
+
+add_executable(
+    helloworld-cpp-cmake
+    src/main.cpp
+)
+
+install(TARGETS helloworld-cpp-cmake)
+

helloworld-cpp-cmake/README.md

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+
+# helloworld-cpp-cmake
+
+```
+mkdir build
+cd build
+cmake ..
+make
+./helloworld-cpp-cmake
+```
+
+```
+mkdir build
+cd build
+cmake .. -CMAKE_BUILD_TYPE=Release
+make
+sudo make install
+./helloworld-cpp-cmake
+```
+

helloworld-cpp-cmake/src/main.cpp

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+#include <iostream>
+
+int main() { std::cout << "Hello, world!\n"; }