add variants and link executable to toplevel

[supertux.git] / SConstruct

diff --git a/SConstruct b/SConstruct
index c871b8d..54c14b1 100644 (file)
--- a/SConstruct
+++ b/SConstruct
@@ -11,6 +11,29 @@ def Glob(dirs, pattern = '*' ):
                 files.append( os.path.join( dir, file ) ) 
     return files 
 
+def CheckSDLConfig(context, minVersion):
+    context.Message('Checking for sdl-config >= %s... ' % minVersion)
+    from popen2 import Popen3
+    p = Popen3(['sdl-config', '--version'])
+    ret = p.wait()
+    out = p.fromchild.readlines()
+    if ret != 0:
+        context.Result(False)
+        return False
+    if len(out) != 1:
+        # unable to parse output!
+        context.Result(False)
+        return False
+    # TODO validate output and catch exceptions
+    version = map(int, out[0].strip().split('.'))
+    minVersion = map(int, minVersion.split('.'))
+    # TODO comparing versions that way only works for pure numeric version
+    # numbers and fails for custom extensions. I don't care about this at
+    # the moment as sdl-config never used such version numbers afaik.
+    ret = (version >= minVersion)
+    context.Result(ret)
+    return ret
+
 opts = Options('custom.py')
 opts.Add('CXX', 'The C++ compiler', 'g++')
 opts.Add('CXXFLAGS', 'Additional C++ compiler flags', '')
@@ -21,12 +44,19 @@ opts.Add('LIBS', 'Additional libraries', '')
 opts.Add('DESTDIR', \
         'destination directory for installation. It is prepended to PREFIX', '')
 opts.Add('PREFIX', 'Installation prefix', '/usr/local')
+opts.Add(ListOption('VARIANT', 'Build variant', 'optimize',
+            ['optimize', 'debug', 'profile']))
 
 env = Environment(options = opts)
-conf = Configure(env)
+conf = Configure(env, custom_tests = {
+    'CheckSDLConfig' : CheckSDLConfig
+})
 
 # TODO check -config apps in the Configure context
-    
+   
+if not conf.CheckSDLConfig('1.2.4'):
+    print "Couldn't find libSDL >= 1.2.4"
+    Exit(1)
 if not conf.CheckLib('SDL_mixer'):
     print "Couldn't find SDL_mixer library!"
     Exit(1)
@@ -39,16 +69,24 @@ if not conf.CheckLib('GL'):
 
 env = conf.Finish()
 
+if str(env['VARIANT']) == "optimize":
+    env.Append(CXXFLAGS = "-O2 -g")
+elif str(env['VARIANT']) == "debug":
+    env.Append(CXXFLAGS = "-O0 -g3")
+    env.Append(CPPDEFINES = { "DEBUG":"1" })
+elif str(env['VARIANT']) == "profile":
+    env.Append(CXXFLAGS = "-pg -O2")
+
 env.ParseConfig('sdl-config --cflags --libs')
 env.Append(CPPPATH = ["#", "#/src", "#/lib"])
 env.Append(CPPDEFINES = \
         {'DATA_PREFIX':"'\"" + env['PREFIX'] + "/share/supertux\"'" ,
          'LOCALEDIR'  :"'\"" + env['PREFIX'] + "/locales\"'"})
 
-env.Append(LIBS = ["supertux"])
-env.Append(LIBPATH=["#"])
+build_dir="build/" + env['PLATFORM'] + "/" + str(env['VARIANT'])
 
-build_dir="build/linux"
+env.Append(LIBS = ["supertux"])
+env.Append(LIBPATH=["#" + build_dir + "/lib"])
 
 env.Export(["env", "Glob"])
 env.SConscript("lib/SConscript", build_dir=build_dir + "/lib", duplicate=0)