[please CC the groff list on replies] I bisected a problem down to this change:
ef6522ab5bf4420cbb755cdb76caf019777c6095 is the first bad commit
commit ef6522ab5bf4420cbb755cdb76caf019777c6095
Author: G. Branden Robinson <g.branden.robin...@gmail.com>
Date: Sun Apr 16 00:50:35 2023 -0500
bootstrap.conf: Add "sys_wait" module.
* bootstrap.conf (gnulib_modules): Add "sys_wait" module. MinGW does
not provide "sys/wait.h", which we require in
src/preproc/html/pre-html.cpp since commit 11137209ed, 27 June.
ChangeLog | 6 ++++++
bootstrap.conf | 3 ++-
2 files changed, 8 insertions(+), 1 deletion(-)
The change is what you'd expect:
$ git show bootstrap.conf
commit ef6522ab5bf4420cbb755cdb76caf019777c6095 (HEAD, refs/bisect/bad)
Author: G. Branden Robinson <g.branden.robin...@gmail.com>
Date: Sun Apr 16 00:50:35 2023 -0500
bootstrap.conf: Add "sys_wait" module.
* bootstrap.conf (gnulib_modules): Add "sys_wait" module. MinGW does
not provide "sys/wait.h", which we require in
src/preproc/html/pre-html.cpp since commit 11137209ed, 27 June.
diff --git a/bootstrap.conf b/bootstrap.conf
index 48a27dcbc..7a2099fb8 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -16,7 +16,7 @@
# along with this program. If not, see <https://www.gnu.org/licenses/>.
-# gnulib m4 macro
+# gnulib m4 macro
m4_base=gnulib_m4
# gnulib C source files
@@ -44,6 +44,7 @@ gnulib_modules="
vsnprintf
stdbool-c99
stdint
+ sys_wait
"
# Name of the Makefile.am
The Automake anger looks like this.
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal -I gnulib_m4 --force -I m4 -I gnulib_m4
autoreconf: configure.ac: tracing
autoreconf: configure.ac: not using Libtool
autoreconf: running: /usr/bin/autoconf --include=gnulib_m4 --force
autoreconf: running: /usr/bin/autoheader --include=gnulib_m4 --force
autoreconf: running: automake --add-missing --copy --force-missing
lib/gnulib.mk:1371: error: MOSTLYCLEANDIRS must be set with '=' before using
'+='
Makefile.am:612: 'lib/gnulib.mk' included from here
autoreconf: automake failed with exit status: 1
./bootstrap: autoreconf failed
Now, sure enough, adding
MOSTLYCLEANDIRS=
to Makefile.am right before our list of includes[1] fixes the build.
...but I'm not sure how to explain the change.
I can read the diagnostic message, but is there a reason this never
cropped up before? Is there some auditing mode I can run automake or
autoreconf in that will detect this sort of problem before a gnulib
module sampled at random provokes it?
Regards,
Branden
[1] https://git.savannah.gnu.org/cgit/groff.git/tree/Makefile.am#n606
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