cmake知识补充

# CC which means gcc 
CC := gcc
#
.PHONY: build
build: sqlist 
# sqlist is a binary file
sqlist:    sqlist.o
    $(CC) -o $@ sqlist.o
sqlist.o: sqlist.c
    $(CC) -c -g sqlist.c
.PHONY: clean
clean:
    rm -rf sqlist sqlist.o
.PHONY: clean_log
clean_log:
    rm -rf .gdb_history

root@DESKTOP-4VN4G0C:/Desktop/DS# make clean
rm -rf sqlist sqlist.o
root@DESKTOP-4VN4G0C:/Desktop/DS# make clean_log
rm -rf .gdb_history 
root@DESKTOP-4VN4G0C:/Desktop/DS# make build
gcc -c -g sqlist.c
gcc -o sqlist sqlist.o

easy demo

#include "stdlib.h"
#include "stdio.h"
#include "string.h"
#include "time.h"
#define MAXSIZE 1024

typedef int Elemtype;

typedef struct SqList
{
    Elemtype data[MAXSIZE];
    int length;
    int size;
}SqList,*SqListPtr;

void InitSqList(SqListPtr L,int *list);
int SqListNulL(SqListPtr L);
int FindMin(SqListPtr L);
void DeleteMin(SqListPtr L,Elemtype * e);
void SqListShow(SqListPtr L);
int main();

int main()
{   Elemtype temp;
    int numlist[10];
    srand((unsigned)time(NULL));

    for (int i=0;i<=9;i++)
        numlist[i]=rand()%50;
    SqList L ;
    InitSqList(&L,numlist);
    SqListNulL(&L);
    SqListShow(&L);
    DeleteMin(&L,&temp);
    SqListShow(&L);
}
void InitSqList(SqListPtr L,int *list)
{
    memset(L->data,0,1024);
    for (int i=0;i<=9;i++)
        L->data[i]=list[i];
    L->length = 10;
}
int SqListNulL(SqListPtr L)
{
    if (L->length ==0)
    {
    printf("the SqList is null");
    exit(0);
    }
}

int FindMin(SqListPtr L)
{
    Elemtype min;
    int idx =0;
    min = L->data[0];
    for (int i=1;i<L->length;i++)
        if(min > L->data[i])
            {
              min = L->data[i];
              idx =i;
            }
    return  idx;
}
void DeleteMin(SqListPtr L,Elemtype * e)
{
int idx =FindMin(L);
*e = L->data[idx];
L->data[idx]=L->data[L->length-1];
L->length-=1;
}

void SqListShow(SqListPtr L)
{
    for (int i=0;i<L->length;i++)
    printf("%d ",L->data[i]);
    printf("\n");
}