Installation

raylib can be installed on FreeBSD with pkg (prebuiled binary package, recommended):

# pkg install raylib

or using the FreeBSD Ports Collection (building from source, if you want to modify the sources):

# cd /usr/ports/devel/raylib && make install clean

Resulting files

$ pkg info -l raylib
raylib-5.5:
        /usr/local/include/raylib.h
        /usr/local/include/raymath.h
        /usr/local/include/rlgl.h
        /usr/local/lib/cmake/raylib/raylib-config-version.cmake
        /usr/local/lib/cmake/raylib/raylib-config.cmake
        /usr/local/lib/libraylib.so
        /usr/local/lib/libraylib.so.5.5.0
        /usr/local/lib/libraylib.so.550
        /usr/local/libdata/pkgconfig/raylib.pc
        /usr/local/share/licenses/raylib-5.5/LICENSE
        /usr/local/share/licenses/raylib-5.5/ZLIB
        /usr/local/share/licenses/raylib-5.5/catalog.mk

Lets you know of cmake files made available.

Building an example

Simplest way, only needing to link the library:

$ gcc core_basic_window.c -lraylib -o core_basic_window