CarlGB

Hi I am a seasoned C# developer trying to learn Objective-C using MinGW.

I have a working install of Objective-C and am trying to work with SQLite.
I have the SQLite3.dll in C:\windows\system32 (on the path), sqlite3.h in the include directoy (C:\MinGW\include) and libsqlite3.a in the lib directory (c:\MinGW\lib).

When I try to compile

#include <stdio.h>
#include <stdlib.h>
#include "sqlite3.h"

static int callback(void *NotUsed, int argc, char **argv, char **azColName){
int i;
NotUsed=0;

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]);
exit(1);
}
rc = sqlite3_open(argv[1], &db);
if( rc ){
fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
sqlite3_close(db);
exit(1);
}
rc = sqlite3_exec(db, argv[2], callback, 0, &zErrMsg);
if( rc!=SQLITE_OK ){
fprintf(stderr, "SQL error: %s\n", zErrMsg);
}
sqlite3_close(db);
return 0;
}

simply with gcc sqltest.c -o sqltest, I get the error "undefined reference to 'sqlite3_open'"

It is picking up the header as it recognises the sqlite type.

Do I need to specify linking in the library or should it just pick it up from the default lib directory?

Any help is greatly appreciated as I seem to be missing something fundamental.

Thanks in advance.

Carl

CarlGB

See an absolute newbie.

I needed to specify -lsqlite3 simple as.

nadroj

You likely have to specify that you're linking to the library. Look around in the documentation for the API, it may be something like "-lsqlite3" that you have to pass to gcc.

EDIT: I see you got it.

CarlGB

I found it in the end but appreciate you taking the time to respond, thanks.

nadroj

You're quite welcome.

laserlight

Have you considered just compiling with the SQLite amalgamation?

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