intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 58 insertions, 0 deletions

diff --git a/build/scripts/f2c.py b/build/scripts/f2c.py
new file mode 100644
index 00000000000..7021e1391f1
--- /dev/null
+++ b/build/scripts/f2c.py
@@ -0,0 +1,58 @@
+import sys
+import subprocess
+import argparse
+import os
+
+
+header = '''\
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#pragma GCC diagnostic ignored "-Wmissing-braces"
+#pragma GCC diagnostic ignored "-Wuninitialized"
+#pragma GCC diagnostic ignored "-Wreturn-type"
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#endif
+
+'''
+
+footer = '''
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+'''
+
+
+def mkdir_p(directory):
+    if not os.path.exists(directory):
+        os.makedirs(directory)
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument('-t', '--tool')
+    parser.add_argument('-c', '--input')
+    parser.add_argument('-o', '--output')
+
+    args = parser.parse_args()
+    tmpdir = args.output + '.f2c'
+    mkdir_p(tmpdir)
+    # should parse includes, really
+    p = subprocess.Popen(
+        [args.tool, '-w', '-R', '-a', '-I' + os.path.dirname(args.input), '-T' + tmpdir],
+        stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
+    stdout, stderr = p.communicate(input=open(args.input).read())
+    ret = p.wait()
+
+    if ret:
+        print >>sys.stderr, 'f2c failed: %s, %s' % (stderr, ret)
+        sys.exit(ret)
+
+    if 'Error' in stderr:
+        print >>sys.stderr, stderr
+
+    with open(args.output, 'w') as f:
+        f.write(header)
+        f.write(stdout)
+        f.write(footer)