重新设计了cmake编译过程

.gitignore

@@ -1,2 +1,3 @@
 build/
-.vscode/
+.vscode/
+.idea/

CMakeLists.txt

@@ -12,5 +12,9 @@ include_directories(
     ${PROJECT_SOURCE_DIR}/include/
 )
 
+add_subdirectory(lib)
+
 # 产生可执行文件
-add_executable(bus src/main.c)
+add_executable(bus main.c)
+
+target_link_libraries(bus bus_lib)

include/example.h

@@ -0,0 +1,11 @@
+//
+// Created by ricardo on 2022/4/29.
+//
+
+#ifndef AUTO_PILOT_BUS_EXAMPLE_H
+#define AUTO_PILOT_BUS_EXAMPLE_H
+
+#include "stdio.h"
+
+void print(char* str);
+#endif //AUTO_PILOT_BUS_EXAMPLE_H

lib/CMakeLists.txt

@@ -0,0 +1,5 @@
+aux_source_directory(. LIB_SRCS)
+
+include_directories(../include)
+
+add_library(bus_lib ${LIB_SRCS})

lib/example.c

@@ -0,0 +1,9 @@
+//
+// Created by ricardo on 2022/4/29.
+//
+#include "example.h"
+
+void print(char* str)
+{
+    printf("%s", str);
+}

main.c

@@ -0,0 +1,8 @@
+#include "example.h"
+
+int main()
+{
+    char* string = "Good morning!\n";
+    print(string);
+    return 0;
+}

src/main.c

@@ -1,7 +0,0 @@
-#include <stdio.h>
-
-int main()
-{
-    printf("good night!\n");
-    return 0;
-}