use *flags from mingw-w64-environment

1 files changed, 76 insertions, 0 deletions

diff --git a/toolchain_generator.py b/toolchain_generator.py
new file mode 100755
index 000000000000..0ef4e5e9dab0
--- /dev/null
+++ b/toolchain_generator.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+import argparse
+import configparser
+import os
+
+
+class CrossFileGenerator:
+
+	def __init__(self, arch, output_file, need_exe_wrapper):
+		self.arch = arch
+		self.output_file = output_file
+		self.need_exe_wrapper = need_exe_wrapper
+		self.cflags = os.environ["CFLAGS"]
+		self.cxxflags = os.environ["CXXFLAGS"]
+		self.ldflags = os.environ["LDFLAGS"]
+		if self.arch == 'i686-w64-mingw32':
+			self.cpu_family = "x86"
+			self.processor = 'i686'
+		else:
+			self.cpu_family = 'x86_64'
+			self.processor = 'x86_64'
+
+	def generate(self):
+		config = configparser.ConfigParser()
+		config['binaries'] = self.get_binaries_section()
+		config['properties'] = self.get_properties_section()
+		config['host_machine'] = self.get_host_machine_section()
+		with open(self.output_file, 'w') as configfile:
+			config.write(configfile)
+
+	def get_binaries_section(self):
+		binaries = {'c':"'{}-gcc'".format(self.arch),
+				'cpp':"'{}-g++'".format(self.arch),
+				'fortran':"'{}-gfortran'".format(self.arch),
+				'ar':"'{}-gcc-ar'".format(self.arch),
+				'pkgconfig':"'{}-pkg-config'".format(self.arch),
+				'ranlib':"'{}-gcc-ranlib'".format(self.arch),
+				'strip':"'{}-strip'".format(self.arch),
+				'windres':"'{}-windres'".format(self.arch),
+				'cmake':"'{}-cmake'".format(self.arch),
+				}
+		if self.need_exe_wrapper:
+			binaries.update({'exe_wrapper':"'{}-wine'".format(self.arch)})
+		return binaries
+
+	def get_properties_section(self):
+		return {'root':"'{}'".format(self.arch),
+			'c_args':[f for f in self.cflags.split(" ") if f],
+			'cpp_args':[f for f in self.cxxflags.split(" ") if f],
+			'c_link_args':[f for f in self.ldflags.split(" ") if f],
+			'cpp_link_args':[f for f in self.ldflags.split(" ") if f],
+			'needs_exe_wrapper':'true'
+			}
+
+	def get_host_machine_section(self):
+		return {'system':"'windows'",
+			'cpu_family':"'{}'".format(self.cpu_family),
+			'cpu':"'{}'".format(self.processor),
+			'endian':"'little'"
+			}
+
+
+if __name__ == '__main__':
+	parser = argparse.ArgumentParser(description='Generate a meson cross file using CFLAGS/CXXFLAGS/LDFLAGS from env vars',
+									add_help=False)
+	required = parser.add_argument_group('required arguments')
+	optional = parser.add_argument_group('optional arguments')
+	required.add_argument('--arch', type=str, required=True, choices=['i686-w64-mingw32', 'x86_64-w64-mingw32'],
+					help='Architecture to use for cross file generation')
+	required.add_argument('--output-file', type=str, required=True, help='Write the generated cross file to this path')
+	optional.add_argument('-h', '--help', action='help', default=argparse.SUPPRESS,
+						help='show this help message and exit')
+	optional.add_argument("--need-exe-wrapper", dest='need_exe_wrapper', action='store_true', help="Add wine as exec wrapper")
+	args = parser.parse_args()
+	generator = CrossFileGenerator(args.arch, args.output_file, args.need_exe_wrapper)
+	generator.generate()