cmake引用jansson库
描述
在ubuntun系统上使用clion开发c程序, cmake如何引入jansson库.
下载jansson
wget http://digip.org/jansson/releases/jansson-2.13.tar.gz tar -xvf
编译jansson
cd jansson-2.13 mkidr build cd build cmake ../ make
查看编译结果
├── include │ ├── jansson_config.h │ └── jansson.h ├── lib │ └── libjansson.a
clion创建C程序
File->New->Project->选中"C Executable"
CMakeLists.txt引用jansson
cmake_minimum_required(VERSION 3.22)
project(demo_task C)
set(CMAKE_C_STANDARD 11)
#自定义库, jansson放在了source目录下
set(LIBHOME "/home/xxx/workspace/source/")
# jansson
include_directories(${LIBHOME}/jansson-2.13/build/include)
link_directories(${LIBHOME}/jansson-2.13/build/lib)
link_libraries(jansson)
add_executable(demo_task main.c)
main.c使用jansson
创建demo.json并放入任意json数据, jansson读取demo.json,并打印结果
#include <stdio.h>
#include <jansson.h>
int main() {
json_t *json;
json_error_t error;
json = json_load_file("../demo.json", 0, &error);
if(!json) {
/* the error variable contains error information */
}
char *result = json_dumps(json, 0);
printf("%s\n", result);
free(result);
return 0;
}
运行
clion运行并查看结果
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Thank you for providing the references on incorporating the Jansson library into CMake projects. Your guidance on using CLion for C development on Ubuntu has been incredibly helpful. I've successfully integrated the Jansson library into my project, and it's working seamlessly.
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