wscript: consistently have at most one empty separator line

gtk2_ardour/wscript

@@ -494,7 +494,6 @@ def _doPyp(infileName, deps = False):
     if fd != sys.stdin:
         fd.close()
 
-
     for line in inLines:
         bits = re_spaces.split(line)
         if bits[0] == '##include':
@@ -522,7 +521,6 @@ def include_processor(task):
     fdOut.write (_doPyp(infileName))
     fdOut.close ()
 
-
 def build_color_scheme(path, prefix):
     f = open (path, 'r')
     color_scheme = ''
@@ -622,7 +620,6 @@ def build(bld):
 #        # obj.source += [ 'canvas_test.cc', ]
 #        obj.source += [ 'toolbar_test.cc', 'enums.cc']
 
-
     # executable version of the GTK GUI
     if bld.env['build_target'] == 'mingw':
         obj = bld (features = 'cxx c cxxprogram winres')

headless/wscript

@@ -24,7 +24,6 @@ def options(opt):
 def configure(conf):
     conf.load('misc')
 
-
 def build(bld):
 
     VERSION = "%s.%s" % (bld.env['MAJOR'], bld.env['MINOR'])

libs/appleutility/wscript

@@ -52,7 +52,6 @@ def build(bld):
     obj.target         = 'appleutility'
     obj.install_path   = os.path.join(bld.env['LIBDIR'], 'appleutility')
 
-
 def shutdown():
     autowaf.shutdown()
 

libs/ardour/wscript

@@ -376,7 +376,6 @@ def configure(conf):
     if conf.env['WINDOWS_VST_SUPPORT'] == True:
         conf.check(compiler='cxx', lib='gdi32', mandatory=True, uselib_store='GDI32')
 
-
 def build(bld):
     # Library version (UNIX style major, minor, micro)
     # major increment <=> incompatible changes

libs/ardouralsautil/wscript

@@ -14,7 +14,6 @@ path_prefix = 'libs/ardouralsautil/'
 def options(opt):
     autowaf.set_options(opt)
 
-
 def configure(conf):
     if re.search ("linux", sys.platform) != None and Options.options.dist_target != 'mingw':
         autowaf.check_pkg(conf, 'alsa', uselib_store='ALSA')

libs/audiographer/wscript

@@ -92,7 +92,6 @@ def build(bld):
     audiographer.vnum           = AUDIOGRAPHER_LIB_VERSION
     audiographer.install_path   = bld.env['LIBDIR']
 
-
     if bld.env['BUILD_TESTS'] and bld.is_defined('HAVE_CPPUNIT'):
         # Unit tests
         obj              = bld(features = 'cxx cxxprogram')

libs/canvas/wscript

@@ -161,6 +161,5 @@ def build(bld):
                     manual_testobj.target       = target
                     manual_testobj.install_path = ''
 
-
 def shutdown():
     autowaf.shutdown()

libs/gtkmm2ext/wscript

@@ -65,7 +65,6 @@ def configure(conf):
     autowaf.check_pkg(conf, 'gtkmm-2.4', uselib_store='GTKMM', atleast_version='2.8')
     autowaf.check_pkg(conf, 'gtk+-2.0', uselib_store='GTK', atleast_version='2.12.1')
 
-
 def build(bld):
     # operate on copy to avoid adding sources twice
     sources = list(gtkmm2ext_sources)

libs/midi++2/wscript

@@ -26,7 +26,6 @@ out = 'build'
 
 path_prefix = 'libs/midi++2/'
 
-
 libmidi_sources = [
         'midi.cc',
         'channel.cc',

libs/panners/wscript

@@ -7,7 +7,6 @@ import os
 top = '.'
 out = 'build'
 
-
 def options(opt):
 
     autowaf.set_options(opt)

libs/qm-dsp/wscript

@@ -101,6 +101,5 @@ def build(bld):
         obj.cxxflags += [ bld.env['compiler_flags_dict']['pic'] ]
         obj.cflags   += [ bld.env['compiler_flags_dict']['pic'] ]
 
-
 def shutdown():
     autowaf.shutdown()

libs/surfaces/launch_control_xl/wscript

@@ -6,15 +6,12 @@ import os
 top = '.'
 out = 'build'
 
-
 def options(opt):
     autowaf.set_options(opt)
 
-
 def configure(conf):
     pass
 
-
 def build(bld):
     obj = bld(features='cxx cxxshlib')
     obj.source = '''
@@ -36,6 +33,5 @@ def build(bld):
     obj.use = 'libardour libardour_cp libpbd libevoral libcanvas libtemporal'
     obj.install_path = os.path.join(bld.env['LIBDIR'], 'surfaces')
 
-
 def shutdown():
     autowaf.shutdown()

libs/surfaces/wscript

@@ -80,7 +80,6 @@ def configure(conf):
     for i in children:
         sub_config_and_use(conf, i)
 
-
 def build(bld):
     bld.recurse('control_protocol')
     bld.recurse('generic_midi')

session_utils/wscript

@@ -68,7 +68,6 @@ def build_ardour_util(bld, util):
     if bld.is_defined('NEED_INTL'):
         obj.linkflags = ' -lintl'
 
-
 def build(bld):
     VERSION = "%s.%s" % (bld.env['MAJOR'], bld.env['MINOR'])
     # session-utils depend on the dummy backend

wscript

@@ -530,7 +530,6 @@ int main() { return 0; }''',
             cxx_flags.append('-DBOOST_NO_AUTO_PTR')
             cxx_flags.append('-DBOOST_BIND_GLOBAL_PLACEHOLDERS')
 
-
     if (is_clang and platform == "darwin") or conf.env['build_host'] in [ 'mavericks', 'yosemite', 'el_capitan', 'sierra', 'high_sierra', 'mojave', 'catalina' , 'bigsur' ]:
         # Silence warnings about the non-existing osx clang compiler flags
         # -compatibility_version and -current_version.  These are Waf
@@ -546,7 +545,6 @@ int main() { return 0; }''',
         # distinguish 32 and 64 bit assembler
         #
 
-
         if not (opt.arm64 or conf.env['build_target'] == 'armhf' and conf.env['build_target'] == 'aarch64'):
             compiler_flags.append ("-DARCH_X86")
 
@@ -1085,7 +1083,6 @@ def configure(conf):
         else:
             print ('No Carbon support available for this build\n')
 
-
     if Options.options.canvasui:
         conf.env['CANVASTESTUI'] = True
         conf.define ('CANVASTESTUI', 1)
@@ -1361,7 +1358,6 @@ int main () { return 0; }
             or conf.env['BUILD_PULSEAUDIO']):
         conf.fatal("Must configure and build at least one backend")
 
-
     if (Options.options.use_lld):
         if re.search ("linux", sys.platform) is not None and Options.options.dist_target != 'mingw' and conf.env['BUILD_PABACKEND']:
             conf.fatal("lld is only for Linux builds")
@@ -1372,7 +1368,6 @@ int main () { return 0; }
     if re.search ("linux", sys.platform) is not None and Options.options.dist_target != 'mingw' and conf.env['BUILD_PABACKEND']:
         conf.fatal("PortAudio Backend is not for Linux")
 
-
     if sys.platform != 'darwin' and conf.env['BUILD_CORECRAPPITA']:
         conf.fatal("Coreaudio backend is only available for OSX")