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package/bdwgc: fix build without NPTL

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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>
This commit is contained in:
Fabrice Fontaine 2022-06-26 12:06:17 +02:00 committed by Peter Korsgaard
parent 381a1af2dd
commit 41d60d0164
1 changed files with 3 additions and 0 deletions
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3
package/bdwgc/bdwgc.mk
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@ -21,6 +21,9 @@ endif
ifeq ($(BR2_STATIC_LIBS),y)
BDWGC_CFLAGS_EXTRA += -DGC_NO_DLOPEN
endif
ifeq ($(BR2_TOOLCHAIN_HAS_THREADS_NPTL),)
BDWGC_CFLAGS_EXTRA += -DNO_PTHREAD_GETATTR_NP
endif
# Ensure we use the system libatomic_ops, and not the internal one.
BDWGC_CONF_OPTS += --with-libatomic-ops=yes