[gtk-doc] mkhtml: add --output-dir param

[Stefan Sauer <stefkost src gnome org>]

commit dec245bb9531cc77d243c81350f2197f69666070
Author: Stefan Sauer <ensonic users sf net>
Date:   Thu Sep 5 20:33:52 2019 +0200

    mkhtml: add --output-dir param
    
    This gives build systems more flexibility.

 gtkdoc-mkhtml2.in | 2 ++
 gtkdoc/mkhtml2.py | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/gtkdoc-mkhtml2.in b/gtkdoc-mkhtml2.in
index 14fc3bc..fef2962 100755
--- a/gtkdoc-mkhtml2.in
+++ b/gtkdoc-mkhtml2.in
@@ -33,6 +33,8 @@ if __name__ == '__main__':
     parser = argparse.ArgumentParser(
         description='gtkdoc-mkhtml version %s - generate documentation in html format' % config.version)
     parser.add_argument('--version', action='version', version=config.version)
+    parser.add_argument('--output-dir', default='.',
+                        help='The directory where the results are stored')
     parser.add_argument('--path', default=[], action='append',
                         help='Extra source directories')
     parser.add_argument('--extra-dir', default=[], action='append',
diff --git a/gtkdoc/mkhtml2.py b/gtkdoc/mkhtml2.py
index 9152850..0c84483 100644
--- a/gtkdoc/mkhtml2.py
+++ b/gtkdoc/mkhtml2.py
@@ -1848,6 +1848,8 @@ def run(options):
     module = options.args[0]
     document = options.args[1]
 
+    output_dir = options.output_dir or os.getcmd()
+
     # TODO: pass options.extra_dir
-    sys.exit(main(module, document, os.getcwd(), options.uninstalled, options.src_lang,
+    sys.exit(main(module, document, output_dir, options.uninstalled, options.src_lang,
                   options.path))