It popped out as a
https://bugs.gentoo.org/show_bug.cgi?id=608190
where one of packages failed to build with CFLAGS=-ggdb3 was guile-2.0.13
guile git master is also affected:
$ ./configure CFLAGS=-ggdb3
$ make
make[1]: Entering directory '/home/slyfox/dev/git/guile/libguile'
CC libguile_2.2_la-alist.lo
In file included from alist.c:398:0:
../libguile/alist.x: In function 'scm_init_alist':
../libguile/alist.x:2:2537: error: conflicting types for
'scm_i_foreign_call'
The problem here is in gcc -ggdb3 which leaves too much
of unrelated input. guile-snarf does not understand how to drop it:
guile/libguile $ guile-snarf alist.c -DHAVE_CONFIG_H -DBUILDING_LIBGUILE=1 -I..
-I.. -I../lib -I../lib -I/usr/lib64/libffi-3.2.1/include
-I/home/slyfox/dev/git/guile -ggdb2 | wc -c
1389
guile/libguile $ guile-snarf alist.c -DHAVE_CONFIG_H -DBUILDING_LIBGUILE=1 -I..
-I.. -I../lib -I../lib -I/usr/lib64/libffi-3.2.1/include
-I/home/slyfox/dev/git/guile -ggdb3 | wc -c
230085
Fails on both gcc-5.4.0 / gcc-6.3.0
--
Sergei
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