Subject: bug#36314: missing scmconfig.h, guile 2.2.4 and 2.2.5, build error

From: Carl Hansen <[email-masked]>
Date: Thu, 20 Jun 2019 15:08:26 -0400

make[1]: Entering directory '/td2/carlstuff/build/gsrc/pkg/gnu/guile/work/guile-2.2.5'
make -C libguile scmconfig.h
make[2]: Entering directory '/td2/carlstuff/build/gsrc/pkg/gnu/guile/work/guile-2.2.5/libguile'
\
if [ "no" = "yes" ]; then \
        gcc -std=gnu11 -DHAVE_CONFIG_H  -I.. \
           -c -o gen-scmconfig.o gen-scmconfig.c; \
else \
        gcc -std=gnu11 -DHAVE_CONFIG_H   -DBUILDING_LIBGUILE=1 -I.. -I.. -I../lib -I../lib -I/opt/gsrc/lib/libffi-3.2.1/include -I/td2/carlstuff/build/gsrc/pkg/gnu/guile/work/guile-2.2.5  -Wall -Wmissing-prototypes -Wdeclaration-after-statement -Wpointer-arith -Wswitch-enum -fno-strict-aliasing -fwrapv -fvisibility=hidden -g -O2 -c -o gen-scmconfig.o gen-scmconfig.c; \
fi
In file included from ./strings.h:27,
                 from /usr/include/string.h:431,
                 from ../lib/string.h:41,
                 from gen-scmconfig.c:142:
../libguile/__scm.h:54:10: fatal error: libguile/scmconfig.h: No such file or directory
   54 | #include "libguile/scmconfig.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [Makefile:4132: gen-scmconfig.o] Error 1

In other words, it is trying to create libguile/scmconfig.h, but it includes
libguile/__scm.h  which includes  libguile/scmconfig.h, therefore.... build error.

Happens with 2.2.5 and 2.2.4