CODEWITHSUNDEEP
csqlite
user3807956
user3807956

Reputation: 3

/usr/bin/ld: cannot find -lsqlite3.h

I am trying to use sqlite3 in my Eclipse C project, I have added sqlite3.h and its address: /usr/include/ to linker, but still get this error message:

make all 
Building target: SQLiteTest
Invoking: GCC C Linker
gcc -L/usr/include/ -o "SQLiteTest"  ./hello.o   -lsqlite3.h 
/usr/bin/ld: cannot find -lsqlite3.h
collect2: error: ld returned 1 exit status
make: *** [SQLiteTest] Error 1

I guess I have to add it to compiler as well, have tried many ways, but none of them worked.

Thanks for help

Upvotes: 0

Views: 1898

Answers (1)

Jonathan Leffler
Jonathan Leffler

Reputation: 753675

When compiling and linking C programs:

  • the -I/some/where/include option is used to specify where headers (include files) are found,
  • the -L/some/where/lib option is used to specify where libraries are found,
  • the -lname option is used to say "link with the library libname.so or libname.a"

The suffixes on libraries vary by platform — choose from .sl, .sa, .dll, .lib, .dylib, .bundle, to name but a few alternative extensions.

The -L/usr/include option is unlikely to be correct. Headers are stored in /usr/include, and not libraries. Changing that to -I/usr/include is unnecessary; the compiler will search in /usr/include anyway. If the sqlite3.h header is in /usr/include, it will be found without options. If it is somewhere else, like perhaps /usr/local/include or /opt/sqlite3/include, then you may well need to specify -I/usr/local/include or -I/opt/sqlite3/include on the command line. In each case, you might also need -L/usr/local/lib or -L/opt/sqlite3/lib as well. (Note that your compiler might, but probably won't, search in /usr/local automatically.)

As noted in the comments, you would not specify -lsqlite3.h on the command line. It would mean that there was a library such as libsqlite3.h.so somewhere on your system, which is an implausible name. Most likely, you should just specify -lsqlite3 on the linking command line.

Upvotes: 1

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