first commit

.clang-format

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+BasedOnStyle: LLVM
+
+ObjCBlockIndentWidth: 4
+IndentWidth: 4
+TabWidth: 4
+AccessModifierOffset: -4
+ColumnLimit: 120
+
+#模板声明后换行
+AlwaysBreakTemplateDeclarations: true 
+
+# 是否允许短if单行 If true, if (a) return; 可以放到同一行
+AllowShortIfStatementsOnASingleLine: true
+
+#短句  while (true) continue; 能被放到单行。
+AllowShortLoopsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: false

.gitignore

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+# C++ objects and libs
+*.slo
+*.lo
+*.o
+*.a
+*.la
+*.lai
+*.so
+*.dll
+*.dylib
+
+# Qt-es
+object_script.*.Release
+object_script.*.Debug
+*_plugin_import.cpp
+/.qmake.cache
+/.qmake.stash
+*.pro.user
+*.pro.user.*
+*.qbs.user
+*.qbs.user.*
+*.moc
+moc_*.h
+*.qmlc
+*.jsc
+Makefile*
+*build-*
+
+# Qt unit tests
+target_wrapper.*
+
+# QtCreator
+*.autosave
+
+# QtCreator Qml
+*.qmlproject.user
+*.qmlproject.user.*
+
+# QtCreator CMake
+CMakeLists.txt.user*
+.idea
+build
+Frontend/node_modules
+Frontend/package-lock.json

CMakeLists.txt

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+add_executable(app main.cpp)

Readme.md

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+这是一个使用 CMake 交叉编译的初始代码。

main.cpp

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+#include <iostream>
+
+int main(int argc, char const *argv[]) {
+    std::cout << "hello world." << std::endl;
+    return 0;
+}

resources/build.sh

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+#!/bin/bash
+
+
+base_path=$(pwd)
+if [[ $base_path == /home/* || $base_path == /root/* ]]; then
+    build_path=${base_path}/build
+else
+    build_path=/tmp/build
+fi
+echo "build directory: $build_path"
+
+function cmake_scan() {
+    if [ ! -d ${build_path} ]; then
+        mkdir ${build_path}
+    fi
+    cmake \
+        -G Ninja \
+        -S ${base_path} \
+        -B ${build_path} \
+        -DCMAKE_TOOLCHAIN_FILE=resources/toolchain.cmake \
+        -DCMAKE_BUILD_TYPE=Debug
+}
+
+function build() {
+    if [ ! -f "${build_path}/CMakeCache.txt" ]; then
+        cmake_scan
+    fi
+    if [ $? -ne 0 ]; then
+        exit 1
+    fi
+    cmake \
+        --build ${build_path} \
+        --target all
+    if [ $? -ne 0 ]; then
+        exit 1
+    fi
+}
+
+function clean() {
+    if [ -d ${build_path} ]; then
+        rm -fr ${build_path}
+    fi
+}
+
+function main() {
+    local cmd=$1
+    shift 1
+    case $cmd in
+    build)
+        build $@
+        ;;
+    scan)
+        cmake_scan
+        ;;
+    clean)
+        clean
+        ;;
+    *)
+        build
+        ;;
+    esac
+}
+
+main $@
+
+

resources/toolchain.cmake

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+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR arm)
+
+# which compilers to use for C and C++
+set(CMAKE_C_COMPILER   arm-buildroot-linux-gnueabihf-gcc)
+set(CMAKE_CXX_COMPILER arm-buildroot-linux-gnueabihf-g++)
+
+# where is the target environment located
+# set(CMAKE_FIND_ROOT_PATH  /usr/i586-mingw32msvc
+#     /home/alex/mingw-install)
+
+# adjust the default behavior of the FIND_XXX() commands:
+# search programs in the host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+
+# search headers and libraries in the target environment
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)