Вивчайте Building a Static Library | Libraries, Includes, and Build Types

Definition

A static library is a collection of compiled code that is copied directly into an executable at build time, making the program self-contained without requiring the library at runtime.

To create and use a static library in CMake, define it with add_library(... STATIC ...), then link it to your executable using target_link_libraries. Use target_include_directories to expose the library headers. CMake builds the library and links it automatically, allowing your program to use its functions.

main.c

src/hello.c

src/hello.h

CMakeLists.txt


              123456
            
#include "hello.h"

int main() {
    say_hello();
    return 0;
}

When a static library is in another folder, include it with add_subdirectory, then link it using target_link_libraries. Use target_include_directories to expose the headers. This structure keeps projects organized and makes libraries easy to reuse.

app/main.c

libmath/math.c

libmath/math.h

CMakeLists.txt

libmath/CMakeLists.txt


              12345678
            
#include <stdio.h>
#include "math.h"

int main() {
    int result = add(3, 4);
    printf("3 + 4 = %d\n", result);
    return 0;
}

A static library is a collection of object files bundled into a single archive. When linked, the library is copied directly into the executable, so no separate library file is needed at runtime. CMake handles this using add_library and target_link_libraries, resolving all dependencies during the build.

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Definition

A static library is a collection of compiled code that is copied directly into an executable at build time, making the program self-contained without requiring the library at runtime.

main.c

src/hello.c

src/hello.h

CMakeLists.txt


              123456
            
#include "hello.h"

int main() {
    say_hello();
    return 0;
}

app/main.c

libmath/math.c

libmath/math.h

CMakeLists.txt

libmath/CMakeLists.txt


              12345678
            
#include <stdio.h>
#include "math.h"

int main() {
    int result = add(3, 4);
    printf("3 + 4 = %d\n", result);
    return 0;
}

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Дякуємо за ваш відгук!

Секція 4. Розділ 1