[Buildroot] [PATCH 1/1] package/grpc: fix build with libexecinfo

[Peter Korsgaard]

>>>>> "Fabrice" == Fabrice Fontaine <fontaine.fabrice at gmail.com> writes:

 > Fix the following build failure raised on uclibc and musl since the
 > reintroduction of the package in commit
 > 16ff948444c3978d63f483344a3d92d994c64312:

Huh? This is the commit where ola was reintroduced, but this is a
failure in grpc and the config doesn't even have ola enabled?

 > /home/buildroot/autobuild/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/10.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld:
 > /home/buildroot/autobuild/instance-1/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libabsl_stacktrace.so.2111.0.0:
 > undefined reference to `backtrace'

 > Fixes:
 >  - http://autobuild.buildroot.org/results/63ab2bc86cad03d5258492b17d1707078761d9b3

 > Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
 > ---
 >  package/grpc/grpc.mk | 8 +++++++-
 >  1 file changed, 7 insertions(+), 1 deletion(-)

 > diff --git a/package/grpc/grpc.mk b/package/grpc/grpc.mk
 > index 23b92f1750..9138b4ea59 100644
 > --- a/package/grpc/grpc.mk
 > +++ b/package/grpc/grpc.mk
 > @@ -21,6 +21,7 @@ HOST_GRPC_DEPENDENCIES = host-protobuf
 >  # which doesn't do this.  These CARES settings trick the gRPC cmake code into
 >  # not looking for c-ares at all and yet still linking with the library.
 >  GRPC_CONF_OPTS = \
 > +	-DCMAKE_EXE_LINKER_FLAGS="$(GRPC_EXE_LINKER_FLAGS)" \
 >  	-DgRPC_ABSL_PROVIDER=package \
 >  	-D_gRPC_CARES_LIBRARIES=cares \
 >  	-DgRPC_CARES_PROVIDER=none \
 > @@ -36,10 +37,15 @@ GRPC_CONF_OPTS = \
 >  	-DgRPC_BUILD_GRPC_PYTHON_PLUGIN=OFF \
 >  	-DgRPC_BUILD_GRPC_RUBY_PLUGIN=OFF
 
 > +ifeq ($(BR2_PACKAGE_LIBEXECINFO),y)
 > +GRPC_DEPENDENCIES += libexecinfo
 > +GRPC_EXE_LINKER_FLAGS += -lexecinfo
 > +endif
 > +
 >  # grpc can use __atomic builtins, so we need to link with
 >  # libatomic when available
 >  ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
 > -GRPC_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic
 > +GRPC_EXE_LINKER_FLAGS += -latomic
 >  endif
 
 >  GRPC_CFLAGS = $(TARGET_CFLAGS)
 > -- 

 > 2.35.1

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-- 
Bye, Peter Korsgaard