I am adding the raylib library in code blocks but I don't know what is going on, because I get this error:
-------------- Build: Debug in teste (compiler: GNU GCC Compiler)---------------
gcc.exe -LC:\Users\tiago\Documents\raylib -o bin\Debug\teste.exe obj\Debug\main.o C:\Users\tiago\Documents\raylib\libraylib.a
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rcore.o):rcore.c:(.text+0x16ba2): undefined reference to `timeEndPeriod@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rcore.o):rcore.c:(.text+0x1c8cb): undefined reference to `timeBeginPeriod@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x18e3): undefined reference to `_imp__CreateRectRgn@16'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x1927): undefined reference to `_imp__DeleteObject@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x198c): undefined reference to `_imp__SwapBuffers@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x245d): undefined reference to `_imp__GetDeviceCaps@8'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x2b3a): undefined reference to `_imp__CreateDCW@16'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x2b50): undefined reference to `_imp__GetDeviceGammaRamp@8'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x2b5c): undefined reference to `_imp__DeleteDC@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x65b6): undefined reference to `_imp__CreateDCW@16'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x65ef): undefined reference to `_imp__GetDeviceCaps@8'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x661d): undefined reference to `_imp__DeleteDC@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x67ba): undefined reference to `_imp__GetDeviceCaps@8'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x6a5f): undefined reference to `_imp__CreateDIBSection@24'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x6aaa): undefined reference to `_imp__CreateBitmap@20'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x6b44): undefined reference to `_imp__DeleteObject@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x6b97): undefined reference to `_imp__DeleteObject@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x8574): undefined reference to `_imp__CreateDCW@16'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x8586): undefined reference to `_imp__SetDeviceGammaRamp@8'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0x8592): undefined reference to `_imp__DeleteDC@4'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0xe947): undefined reference to `_imp__ChoosePixelFormat@8'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0xe95b): undefined reference to `_imp__SetPixelFormat@12'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0xedf2): undefined reference to `_imp__DescribePixelFormat@16'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0xeee5): undefined reference to `_imp__DescribePixelFormat@16'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0xf2ff): undefined reference to `_imp__DescribePixelFormat@16'
C:\MinGW\bin/ld.exe: C:\Users\tiago\Documents\raylib\libraylib.a(rglfw.o):rglfw.c:(.text+0xf32a): undefined reference to `_imp__SetPixelFormat@12'
collect2.exe: error: ld returned 1 exit status
Process terminated with status 1 (0 minute(s), 0 second(s))
27 error(s), 0 warning(s) (0 minute(s), 0 second(s))