Add packaging for distros with deb- and rpm-based packages. (#2877)

cmake/PackConfigurations.cmake

@@ -1,5 +1,6 @@
 # Packaging
 SET(CPACK_PACKAGE_NAME "raylib")
+SET(CPACK_PACKAGE_CONTACT "raysan5")
 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simple and easy-to-use library to enjoy videogames programming")
 SET(CPACK_PACKAGE_VERSION "${PROJECT_VERSION}")
 SET(CPACK_PACKAGE_VERSION_MAJOR "${PROJECT_VERSION_MAJOR}")
@@ -9,5 +10,9 @@ SET(CPACK_PACKAGE_DESCRIPTION_FILE "${PROJECT_SOURCE_DIR}/../README.md")
 SET(CPACK_RESOURCE_FILE_WELCOME "${PROJECT_SOURCE_DIR}/../README.md")
 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/../LICENSE")
 SET(CPACK_PACKAGE_FILE_NAME "raylib-${PROJECT_VERSION}$ENV{RAYLIB_PACKAGE_SUFFIX}")
-SET(CPACK_GENERATOR "ZIP;TGZ") # Remove this, if you want the NSIS installer on Windows
-include(CPack)
+SET(CPACK_GENERATOR "ZIP;TGZ;DEB;RPM") # Remove this, if you want the NSIS installer on Windows
+SET(CPACK_DEBIAN_PACKAGE_SHLIBDEPS OFF) # can be used to generate deps, slow and requires tools.
+SET(CPACK_DEBIAN_PACKAGE_DEPENDS "libatomic1, libc6, libglfw3, libglu1-mesa | libglu1, libglx0, libopengl0")
+SET(CPACK_DEBIAN_PACKAGE_NAME "lib${CPACK_PACKAGE_NAME}-dev")
+SET(CPACK_RPM_PACKAGE_NAME "lib${CPACK_PACKAGE_NAME}-devel")
+include(CPack)