Modify the generic compiler tools to use the "Configuration options" group.

Add a mechanism to set the compiler precedence for D, for consistency.

waflib/Tools/compiler_c.py

@@ -48,7 +48,7 @@ c_compiler = {
 'default':['gcc'],
 }
 """
-Dict mapping the platform names to waf tools finding specific compilers::
+Dict mapping the platform names to Waf tools finding specific C compilers::
 
 	from waflib.Tools.compiler_c import c_compiler
 	c_compiler['linux'] = ['gcc', 'icc', 'suncc']
@@ -60,9 +60,10 @@ def configure(conf):
 	"""
 	try: test_for_compiler = conf.options.check_c_compiler
 	except AttributeError: conf.fatal("Add options(opt): opt.load('compiler_c')")
-	for compiler in test_for_compiler.split():
+
+	for compiler in re.split('[ ,]+', test_for_compiler):
 		conf.env.stash()
-		conf.start_msg('Checking for %r (c compiler)' % compiler)
+		conf.start_msg('Checking for %r (C compiler)' % compiler)
 		try:
 			conf.load(compiler)
 		except conf.errors.ConfigurationError as e:
@@ -76,7 +77,7 @@ def configure(conf):
 				break
 			conf.end_msg(False)
 	else:
-		conf.fatal('could not configure a c compiler!')
+		conf.fatal('could not configure a C compiler!')
 
 def options(opt):
 	"""
@@ -89,9 +90,9 @@ def options(opt):
 	build_platform = Utils.unversioned_sys_platform()
 	possible_compiler_list = c_compiler[build_platform in c_compiler and build_platform or 'default']
 	test_for_compiler = ' '.join(possible_compiler_list)
-	cc_compiler_opts = opt.add_option_group("C Compiler Options")
-	cc_compiler_opts.add_option('--check-c-compiler', default="%s" % test_for_compiler,
-		help='On this platform (%s) the following C-Compiler will be checked by default: "%s"' % (build_platform, test_for_compiler),
+	cc_compiler_opts = opt.add_option_group('Configuration options')
+	cc_compiler_opts.add_option('--check-c-compiler', default=test_for_compiler,
+		help='list of C compilers to try [%s]' % test_for_compiler,
 		dest="check_c_compiler")
 	for x in test_for_compiler.split():
 		opt.load('%s' % x)

waflib/Tools/compiler_cxx.py

@@ -30,7 +30,7 @@ Not all compilers need to have a specific tool. For example, the clang compilers
 """
 
 
-import os, sys, imp, types
+import os, sys, imp, types, re
 from waflib.Tools import ccroot
 from waflib import Utils, Configure
 from waflib.Logs import debug
@@ -49,7 +49,7 @@ cxx_compiler = {
 'default': ['g++']
 }
 """
-Dict mapping the platform names to waf tools finding specific compilers::
+Dict mapping the platform names to Waf tools finding specific C++ compilers::
 
 	from waflib.Tools.compiler_cxx import cxx_compiler
 	cxx_compiler['linux'] = ['gxx', 'icpc', 'suncxx']
@@ -63,9 +63,9 @@ def configure(conf):
 	try: test_for_compiler = conf.options.check_cxx_compiler
 	except AttributeError: conf.fatal("Add options(opt): opt.load('compiler_cxx')")
 
-	for compiler in test_for_compiler.split():
+	for compiler in re.split('[ ,]+', test_for_compiler):
 		conf.env.stash()
-		conf.start_msg('Checking for %r (c++ compiler)' % compiler)
+		conf.start_msg('Checking for %r (C++ compiler)' % compiler)
 		try:
 			conf.load(compiler)
 		except conf.errors.ConfigurationError as e:
@@ -79,7 +79,7 @@ def configure(conf):
 				break
 			conf.end_msg(False)
 	else:
-		conf.fatal('could not configure a c++ compiler!')
+		conf.fatal('could not configure a C++ compiler!')
 
 def options(opt):
 	"""
@@ -92,9 +92,9 @@ def options(opt):
 	build_platform = Utils.unversioned_sys_platform()
 	possible_compiler_list = cxx_compiler[build_platform in cxx_compiler and build_platform or 'default']
 	test_for_compiler = ' '.join(possible_compiler_list)
-	cxx_compiler_opts = opt.add_option_group('C++ Compiler Options')
-	cxx_compiler_opts.add_option('--check-cxx-compiler', default="%s" % test_for_compiler,
-		help='On this platform (%s) the following C++ Compiler will be checked by default: "%s"' % (build_platform, test_for_compiler),
+	cxx_compiler_opts = opt.add_option_group('Configuration options')
+	cxx_compiler_opts.add_option('--check-cxx-compiler', default=test_for_compiler,
+		help='list of C++ compilers to try [%s]' % test_for_compiler,
 		dest="check_cxx_compiler")
 
 	for x in test_for_compiler.split():

waflib/Tools/compiler_d.py

@@ -20,16 +20,26 @@ Only three D compilers are really present at the moment:
 * ldc2
 """
 
-import os, sys, imp, types
+import os, sys, imp, types, re
 from waflib import Utils, Configure, Options, Logs
 
+d_compiler = {
+'default' : ['gdc', 'dmd', 'ldc2']
+}
+"""
+Dict mapping the platform names to lists of names of D compilers to try, in order of preference::
+
+	from waflib.Tools.compiler_d import d_compiler
+	d_compiler['default'] = ['gdc', 'dmd', 'ldc2']
+"""
+
 def configure(conf):
 	"""
 	Try to find a suitable D compiler or raise a :py:class:`waflib.Errors.ConfigurationError`.
 	"""
-	for compiler in conf.options.dcheck.split(','):
+	for compiler in re.split('[ ,]+', conf.options.dcheck):
 		conf.env.stash()
-		conf.start_msg('Checking for %r (d compiler)' % compiler)
+		conf.start_msg('Checking for %r (D compiler)' % compiler)
 		try:
 			conf.load(compiler)
 		except conf.errors.ConfigurationError as e:
@@ -51,9 +61,12 @@ def options(opt):
 
 		$ waf configure --check-d-compiler=dmd
 	"""
-	d_compiler_opts = opt.add_option_group('D Compiler Options')
-	d_compiler_opts.add_option('--check-d-compiler', default='gdc,dmd,ldc2', action='store',
-		help='check for the compiler [Default:gdc,dmd,ldc2]', dest='dcheck')
+	build_platform = Utils.unversioned_sys_platform()
+	possible_compiler_list = d_compiler[build_platform in cxx_compiler and build_platform or 'default']
+	test_for_compiler = ' '.join(possible_compiler_list)
+	d_compiler_opts = opt.add_option_group('Configuration options')
+	d_compiler_opts.add_option('--check-d-compiler', default=test_for_compiler, action='store',
+		help='list of D compilers to try [%s]' % test_for_compiler, dest='dcheck')
 	for d_compiler in ('gdc', 'dmd', 'ldc2'):
 		opt.load('%s' % d_compiler)
 

waflib/Tools/compiler_fc.py

@@ -13,6 +13,12 @@ fc_compiler = {
 	'default': ['gfortran'],
 	'aix'    : ['gfortran']
 }
+"""
+Dict mapping the platform names to lists of names of Fortran compilers to try, in order of preference::
+
+	from waflib.Tools.compiler_c import c_compiler
+	c_compiler['linux'] = ['gfortran', 'g95', 'ifort']
+"""
 
 def __list_possible_compiler(platform):
 	try:
@@ -26,9 +32,9 @@ def configure(conf):
 	"""
 	try: test_for_compiler = conf.options.check_fc
 	except AttributeError: conf.fatal("Add options(opt): opt.load('compiler_fc')")
-	for compiler in test_for_compiler.split():
+	for compiler in re.split('[ ,]+', test_for_compiler):
 		conf.env.stash()
-		conf.start_msg('Checking for %r (fortran compiler)' % compiler)
+		conf.start_msg('Checking for %r (Fortran compiler)' % compiler)
 		try:
 			conf.load(compiler)
 		except conf.errors.ConfigurationError as e:
@@ -52,13 +58,12 @@ def options(opt):
 	"""
 	opt.load_special_tools('fc_*.py')
 	build_platform = Utils.unversioned_sys_platform()
-	detected_platform = Options.platform
-	possible_compiler_list = __list_possible_compiler(detected_platform)
+	possible_compiler_list = fc_compiler[build_platform in cxx_compiler and build_platform or 'default']
 	test_for_compiler = ' '.join(possible_compiler_list)
-	fortran_compiler_opts = opt.add_option_group("Fortran Compiler Options")
+	fortran_compiler_opts = opt.add_option_group('Configuration options')
 	fortran_compiler_opts.add_option('--check-fortran-compiler',
-			default="%s" % test_for_compiler,
-			help='On this platform (%s) the following Fortran Compiler will be checked by default: "%s"' % (detected_platform, test_for_compiler),
+			default=test_for_compiler,
+			help='list of Fortran compiler to try [%s]' % test_for_compiler,
 		dest="check_fc")
 
 	for compiler in test_for_compiler.split():