python/build/meson.py: move two functions to the top level

python/build/meson.py

@@ -2,43 +2,37 @@ import os.path, subprocess, sys
 
 from build.project import Project
 
-class MesonProject(Project):
-    def __init__(self, url, md5, installed, configure_args=[],
-                 **kwargs):
-        Project.__init__(self, url, md5, installed, **kwargs)
-        self.configure_args = configure_args
+def make_cross_file(toolchain):
+    if toolchain.is_windows:
+        system = 'windows'
+    else:
+        system = 'linux'
 
-    def _make_cross_file(self, toolchain):
-        if toolchain.is_windows:
-            system = 'windows'
+    if toolchain.is_arm:
+        cpu_family = 'arm'
+        if toolchain.is_armv7:
+            cpu = 'armv7'
         else:
-            system = 'linux'
-
-        if toolchain.is_arm:
-            cpu_family = 'arm'
-            if toolchain.is_armv7:
-                cpu = 'armv7'
-            else:
-                cpu = 'armv6'
-        elif toolchain.is_aarch64:
-            cpu_family = 'aarch64'
-            cpu = 'arm64-v8a'
+            cpu = 'armv6'
+    elif toolchain.is_aarch64:
+        cpu_family = 'aarch64'
+        cpu = 'arm64-v8a'
+    else:
+        cpu_family = 'x86'
+        if 'x86_64' in toolchain.arch:
+            cpu = 'x86_64'
         else:
-            cpu_family = 'x86'
-            if 'x86_64' in toolchain.arch:
-                cpu = 'x86_64'
-            else:
-                cpu = 'i686'
+            cpu = 'i686'
 
-        # TODO: support more CPUs
-        endian = 'little'
+    # TODO: support more CPUs
+    endian = 'little'
 
-        # TODO: write pkg-config wrapper
+    # TODO: write pkg-config wrapper
 
-        path = os.path.join(toolchain.build_path, 'meson.cross')
-        os.makedirs(toolchain.build_path, exist_ok=True)
-        with open(path, 'w') as f:
-            f.write("""
+    path = os.path.join(toolchain.build_path, 'meson.cross')
+    os.makedirs(toolchain.build_path, exist_ok=True)
+    with open(path, 'w') as f:
+        f.write("""
 [binaries]
 c = '%s'
 cpp = '%s'
@@ -69,31 +63,40 @@ endian = '%s'
                    repr((toolchain.cppflags + ' ' + toolchain.cxxflags).split()),
                    repr(toolchain.ldflags.split()),
                    system, cpu_family, cpu, endian))
-        return path
+    return path
+
+def configure(toolchain, src, build, args=()):
+    cross_file = make_cross_file(toolchain)
+    configure = [
+        'meson',
+        src, build,
+
+        '--prefix', toolchain.install_prefix,
+
+        # this is necessary because Meson uses Debian's build machine
+        # MultiArch path (e.g. "lib/x86_64-linux-gnu") for cross
+        # builds, which is obviously wrong
+        '--libdir', 'lib',
+
+        '--buildtype', 'plain',
+
+        '--default-library=static',
+
+        '--cross-file', cross_file,
+    ] + args
+
+    subprocess.check_call(configure, env=toolchain.env)
+
+class MesonProject(Project):
+    def __init__(self, url, md5, installed, configure_args=[],
+                 **kwargs):
+        Project.__init__(self, url, md5, installed, **kwargs)
+        self.configure_args = configure_args
 
     def configure(self, toolchain):
         src = self.unpack(toolchain)
-        cross_file = self._make_cross_file(toolchain)
         build = self.make_build_path(toolchain)
-        configure = [
-            'meson',
-            src, build,
-
-            '--prefix', toolchain.install_prefix,
-
-            # this is necessary because Meson uses Debian's build machine
-            # MultiArch path (e.g. "lib/x86_64-linux-gnu") for cross
-            # builds, which is obviously wrong
-            '--libdir', 'lib',
-
-            '--buildtype', 'plain',
-
-            '--default-library=static',
-
-            '--cross-file', cross_file,
-        ] + self.configure_args
-
-        subprocess.check_call(configure, env=toolchain.env)
+        configure(toolchain, src, build, self.configure_args)
         return build
 
     def build(self, toolchain):