Fix the following guile build failure without NPTL raised since the
addition of bdwgc in commit b0476427f6 and
7896408d41:
configure:60776: checking for GC_is_heap_ptr
configure:60776: /home/buildroot/autobuild/instance-2/output-1/host/bin/arm-buildroot-linux-uclibcgnueabi-gcc -std=gnu11 -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O1 -g0 -DHAVE_GC_SET_FINALIZER_NOTIFIER -DHAVE_GC_GET_HEAP_USAGE_SAFE -DHAVE_GC_GET_FREE_SPACE_DIVISOR -DHAVE_GC_SET_FINALIZE_ON_DEMAND -flto -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 conftest.c -L/home/buildroot/autobuild/instance-2/output-1/host/bin/../arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib -latomic_ops -lgc -lpthread -ldl -latomic -lm >&5
/home/buildroot/autobuild/instance-2/output-1/host/lib/gcc/arm-buildroot-linux-uclibcgnueabi/10.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: /home/buildroot/autobuild/instance-2/output-1/host/bin/../arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libgc.so: undefined reference to `pthread_getattr_np'
[...]
In file included from ../libguile/alist.h:26,
from ../libguile.h:31,
from guile.c:38:
../libguile/pairs.h:205:1: error: conflicting types for 'GC_is_heap_ptr'
205 | GC_is_heap_ptr (void *ptr)
| ^~~~~~~~~~~~~~
In file included from ../libguile/bdw-gc.h:48,
from ../libguile/gc.h:142,
from ../libguile/pairs.h:26,
from ../libguile/alist.h:26,
from ../libguile.h:31,
from guile.c:38:
/home/buildroot/autobuild/instance-2/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/gc/gc.h:551:20: note: previous declaration of 'GC_is_heap_ptr' was here
551 | GC_API int GC_CALL GC_is_heap_ptr(const void *);
| ^~~~~~~~~~~~~~
Fixes:
- http://autobuild.buildroot.org/results/819f231a60fc81f9a8dd07bf5411aa9d8f78c3bb
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>