GNU bug report logs - #54816
29.0.50; Silent "Compiler-macro error for cl-member" when building from scratch

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From: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
To: 54816 <at> debbugs.gnu.org
Cc: Alan Mackenzie <acm <at> muc.de>
Subject: bug#54816: 29.0.50; Silent "Compiler-macro error for cl-member" when building from scratch
Date: Sun, 10 Apr 2022 11:20:26 +0200

[Message part 1 (text/plain, inline)]

tags 54816 patch
thanks

Kévin Le Gouguec <kevin.legouguec <at> gmail.com> writes:

>> Compiler-macro error for cl-member: Handler: cl--compiler-macro-member
>> (excessive-variable-binding)
>> Eager macro-expansion failure: (excessive-variable-binding)

That bit about excessive-variable-binding rang a bell; I dimly
remembered seeing a couple of commits increasing max-specpdl-size "not
too long ago".  git-log turned these up:

* 2022-01-31 "Enlarge max-specpdl-size for generation of files in
  .../admin/grammars" (be2566eeab)
* 2022-01-30 "Enlarge max-specpdl-size for generation of leim-list.el in
  bootstrap" (46611aa468)

So here's a "monkey see; monkey do" patch that causes this error to go
away; no idea if it's The Right Thing™ though?

[max-specpdl-size.patch (text/x-patch, inline)]

diff --git a/leim/Makefile.in b/leim/Makefile.in
index 6cf0abb40c..4e70e8b7e9 100644
--- a/leim/Makefile.in
+++ b/leim/Makefile.in
@@ -131,6 +131,7 @@ ${leimdir}/ja-dic/ja-dic.el:
 
 ${leimdir}/ja-dic/ja-dic.el: $(srcdir)/SKK-DIC/SKK-JISYO.L
 	$(AM_V_GEN)$(RUN_EMACS) -batch -l ja-dic-cnv \
+	  --eval "(setq max-specpdl-size 5000)" \
 	  -f batch-skkdic-convert -dir "$(leimdir)/ja-dic" "$<"
 
 ${srcdir}/../lisp/language/pinyin.el: ${srcdir}/MISC-DIC/pinyin.map

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