Undefined reference to crypto_scrypt

[bfamzz]

I am working on a c++ project and included libscrypt-kdf but when linking it throws an error.

I included the header file as follows in my project:

#ifdef __cplusplus extern "C" { #endif #include <string.h> #include "scrypt-kdf.h" #ifdef __cplusplus } #endif

Here is also my hashPassword function:

`int hashPassword(const char* password, const char* salt, uint8_t hashedPasswordOutput[]) {
int exitCode = scrypt_kdf((const uint8_t*)password, strlen(password),
(const uint8_t*)salt, strlen(salt), N, r, p, hashedPasswordOutput, OUTPUT_BUFLEN);

return exitCode;

}`

And finally, here is the error being thrown:

/usr/bin/ld: CMakeFiles/hello_crow.dir/main.cpp.o: in function hashPassword(char const*, char const*, unsigned char*)':
main.cpp:(.text+0x1a0e): undefined reference to crypto_scrypt' collect2: error: ld returned 1 exit status make[2]: *** [CMakeFiles/hello_crow.dir/build.make:88: hello_crow] Error 1 make[1]: *** [CMakeFiles/Makefile2:73: CMakeFiles/hello_crow.dir/all] Error 2 make: *** [Makefile:84: all] Error 2

Here is a screenshot of the error:

Kindly help please. Thanks.

[cperciva]

Sounds like you're not linking to the dynamic library. I don't use CMake so I don't know what the syntax you need for this is.

[bfamzz]

I was able to resolve it. I included this in my CMakeLists.txt file.

target_link_libraries(scrypt-kdf)

Thanks.