我知道这是某种链接错误,并可能是由于我缺少某种编译器选项。所以请让我知道我做错了什么。链接器2019错误,同时编译与cl.exe sqlite示例代码
我的代码来自示例程序@http://www.sqlite.org/quickstart.html
#include <stdio.h>
#include <sqlite3.h>
static int callback(void *NotUsed, int argc, char **argv, char **azColName){
int i;
for(i=0; i<argc; i++){
printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
}
printf("\n");
return 0;
}
int main(int argc, char **argv){
sqlite3 *db;
char *zErrMsg = 0;
int rc;
if(argc!=3){
fprintf(stderr, "Usage: %s DATABASE SQL-STATEMENT\n", argv[0]);
return(1);
}
rc = sqlite3_open(argv[1], &db);
if(rc){
fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
sqlite3_close(db);
return(1);
}
rc = sqlite3_exec(db, argv[2], callback, 0, &zErrMsg);
if(rc!=SQLITE_OK){
fprintf(stderr, "SQL error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
sqlite3_close(db);
return 0;
}
我现在用的是“开发者命令提示符”在Windows中使用以下命令编译:(SQLite的头文件是在%USERPROFILE%\ LIB )
,我得到了以下错误消息:
Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23918 for x86
Copyright (C) Microsoft Corporation. All rights reserved.
helloworld.c
Microsoft (R) Incremental Linker Version 14.00.23918.0
Copyright (C) Microsoft Corporation. All rights reserved.
/out:helloworld.exe
helloworld.obj
helloworld.obj : error LNK2019: unresolved external symbol _sqlite3_close referenced in function _main
helloworld.obj : error LNK2019: unresolved external symbol _sqlite3_exec referenced in function _main
helloworld.obj : error LNK2019: unresolved external symbol _sqlite3_free referenced in function _main
helloworld.obj : error LNK2019: unresolved external symbol _sqlite3_open referenced in function _main
helloworld.obj : error LNK2019: unresolved external symbol _sqlite3_errmsg referenced in function _main
helloworld.exe : fatal error LNK1120: 5 unresolved externals
你需要对SQLite库链接代码(有,我认为,/ L选项 - 虽然我还没有超过十年用过Windows中,这样可能是错误的)。 –
命令行中没有库。 – fukanchik