Re: backports Kconfig processing

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On 25-02-2021 09:42, Johannes Berg wrote:
On Thu, 2021-02-25 at 09:31 +0100, Arend van Spriel wrote:

On 24-02-2021 15:32, Johannes Berg wrote:
Hi Arend,

I was made aware that the select line in brcm80211 Kconfig is not
working in backports:


Is this something that can be fixed in backports?

I guess it can be, but what do you mean by "not working"?

It should be rewritten to


but quite possibly the parser doesn't understand the " if BRCMFMAC" part

That exactly what is being reported. Things were working fine until I
added the "if BRCMFMAC" part.

Yeah, so lib/ has this

sel_line = re.compile(r'^(?P<spc>\s+)select\s+(?P<sym>[^\s]*)\s*$')

which doesn't cover the case of "if ..." on the select line.

I guess you could either look at that and fix it - need to fix the regex
to allow all_selects() to find it, and modify_selects() to preserve the
"if ..." part.

Probably something like

diff --git a/lib/ b/lib/
index a77f8a54eea7..46df636d7594 100644
--- a/lib/
+++ b/lib/
@@ -8,7 +8,7 @@ src_line_rel = re.compile(r'^\s*source\s+(?P<src>[^\s"]*)"?\s*$')
  tri_line = re.compile(r'^(?P<spc>\s+)tristate')
  bool_line = re.compile(r'^(?P<spc>\s+)bool')
  cfg_line = re.compile(r'^(?P<opt>config|menuconfig)\s+(?P<sym>[^\s]*)')
-sel_line = re.compile(r'^(?P<spc>\s+)select\s+(?P<sym>[^\s]*)\s*$')
+sel_line = re.compile(r'^(?P<spc>\s+)select\s+(?P<sym>[^\s]*)(?P<ifexpr>.*)$')
  backport_line = re.compile(r'^\s+#(?P<key>[ch]-file|module-name)\s*(?P<name>.*)')
class ConfigTree(object):
@@ -230,9 +230,9 @@ class ConfigTree(object):
                  m = sel_line.match(l)
                  if m and not'sym') in syms:
                      if 'BPAUTO_' +'sym') in syms:
-                        out +='spc') + "select BPAUTO_" +'sym') + '\n'
+                        out +='spc') + "select BPAUTO_" +'sym') +'ifexpr') + '\n'
-                        out +='spc') + "depends on " +'sym') + '\n'
+                        out +='spc') + "depends on " +'sym') +'ifexpr') + '\n'
                      out += l
              outf = open(os.path.join(self.bpid.target_dir, nf), 'w')

Thanks for the suggestion. I will give it a try.


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