CMakeLists: add preliminary CMake build system

CMakeLists.txt

@@ -0,0 +1,80 @@
+cmake_minimum_required (VERSION 2.6)
+project (tyrutils)
+
+include_directories(
+	"${PROJECT_SOURCE_DIR}/include")
+
+set(LIGHT_SOURCES
+	light/entities.c
+	light/litfile.c
+	light/ltface.c
+	light/trace.c
+	light/light.c
+	common/bspfile.c
+	common/cmdlib.c
+	common/mathlib.c
+	common/log.c
+	common/threads.c)
+
+set(VIS_SOURCES
+	vis/flow.c
+	vis/vis.c
+	vis/soundpvs.c
+	vis/state.c
+	common/cmdlib.c
+	common/mathlib.c
+	common/bspfile.c
+	common/log.c
+	common/threads.c)
+
+set(BSPINFO_SOURCES
+	bspinfo/bspinfo.c
+	common/cmdlib.c
+	common/bspfile.c
+	common/log.c
+	common/threads.c)
+
+set(BSPUTIL_SOURCES
+	bsputil/bsputil.c
+	common/cmdlib.c
+	common/bspfile.c
+	common/log.c
+	common/threads.c)
+
+set(QBSP_SOURCES
+	common/threads.c
+	common/log.c
+	qbsp/brush.c
+	qbsp/bspfile.c
+	qbsp/cmdlib.c
+	qbsp/csg4.c
+	qbsp/file.c
+	qbsp/globals.c
+	qbsp/map.c
+	qbsp/mathlib.c
+	qbsp/merge.c
+	qbsp/outside.c
+	qbsp/parser.c
+	qbsp/portals.c
+	qbsp/qbsp.c
+	qbsp/solidbsp.c
+	qbsp/surfaces.c
+	qbsp/tjunc.c
+	qbsp/util.c
+	qbsp/wad.c
+	qbsp/winding.c
+	qbsp/writebsp.c)
+
+find_package (Threads)
+
+add_executable(light ${LIGHT_SOURCES})
+add_executable(vis ${VIS_SOURCES})
+add_executable(bspinfo ${BSPINFO_SOURCES})
+add_executable(bsputil ${BSPUTIL_SOURCES})
+add_executable(qbsp ${QBSP_SOURCES})
+
+target_link_libraries (light ${CMAKE_THREAD_LIBS_INIT})
+
+if (CMAKE_USE_PTHREADS_INIT)
+	add_definitions(-DUSE_PTHREADS)
+endif (CMAKE_USE_PTHREADS_INIT)