CXX      ?= g++
CXXFLAGS ?= -Wall -g

# On multilib systems, this needs to point to distribution-specific library
# subdir like in /usr (lib or lib64 for 64-bit, lib32 or lib for 32-bit)
LIBDIR   ?= lib64

BUMBLEBEE_SOCKET   ?= '"/var/run/bumblebee.socket"'
PRIMUS_SYNC        ?= '"0"'
PRIMUS_VERBOSE     ?= '"1"'
PRIMUS_DISPLAY     ?= '":8"'
PRIMUS_LOAD_GLOBAL ?= '"libglapi.so.0"'
PRIMUS_libGLa      ?= '"/usr/$$LIB/nvidia/libGL.so.1"'
PRIMUS_libGLd      ?= '"/usr/$$LIB/libGL.so.1"'

CXXFLAGS += -DBUMBLEBEE_SOCKET=$(BUMBLEBEE_SOCKET)
CXXFLAGS += -DPRIMUS_SYNC=$(PRIMUS_SYNC)
CXXFLAGS += -DPRIMUS_VERBOSE=$(PRIMUS_VERBOSE)
CXXFLAGS += -DPRIMUS_DISPLAY=$(PRIMUS_DISPLAY)
CXXFLAGS += -DPRIMUS_LOAD_GLOBAL=$(PRIMUS_LOAD_GLOBAL)
CXXFLAGS += -DPRIMUS_libGLa=$(PRIMUS_libGLa)
CXXFLAGS += -DPRIMUS_libGLd=$(PRIMUS_libGLd)

$(LIBDIR)/libGL.so.1: libglfork.cpp
    mkdir -p $(LIBDIR)
    $(CXX) $(CXXFLAGS) -fvisibility=hidden -fPIC -shared -Wl,-Bsymbolic -o $@ $< -lX11 -lpthread -lrt