[dpdk-dev] [PATCH 2/2] doc: pass "werror" setting through to doc build

[Bruce Richardson <bruce.richardson@intel.com>]

When werror is set for the build, we should pass that flag through to
sphinx so that it can flag warnings as errors too.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 buildtools/call-sphinx-build.py | 5 ++---
 doc/guides/meson.build          | 4 ++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/buildtools/call-sphinx-build.py b/buildtools/call-sphinx-build.py
index 85c9e0156..fc4e9d040 100755
--- a/buildtools/call-sphinx-build.py
+++ b/buildtools/call-sphinx-build.py
@@ -9,12 +9,11 @@
 from subprocess import run, PIPE, STDOUT
 from distutils.version import StrictVersion
 
-(sphinx, src, dst) = sys.argv[1:]  # assign parameters to variables
+(*sphinx_cmd, src, dst) = sys.argv[1:]  # assign parameters to variables
 
 # for sphinx version >= 1.7 add parallelism using "-j auto"
-ver = run([sphinx, '--version'], stdout=PIPE,
+ver = run(sphinx_cmd + ['--version'], stdout=PIPE,
           stderr=STDOUT).stdout.decode().split()[-1]
-sphinx_cmd = [sphinx]
 if StrictVersion(ver) >= StrictVersion('1.7'):
     sphinx_cmd += ['-j', 'auto']
 
diff --git a/doc/guides/meson.build b/doc/guides/meson.build
index 732e7ad3a..5a2b854e8 100644
--- a/doc/guides/meson.build
+++ b/doc/guides/meson.build
@@ -7,6 +7,10 @@ if not sphinx.found()
 	subdir_done()
 endif
 
+if get_option('werror')
+	sphinx = [sphinx, '-W']
+endif
+
 htmldir = join_paths(get_option('datadir'), 'doc', 'dpdk')
 html_guides = custom_target('html_guides',
 	input: files('index.rst'),
-- 
2.20.1