hi,

when I build frr docker image with grpc enabled, it is always failed with the following error:

  CXX tests/lib/test_grpc-test_grpc.o

  CXXLD tests/lib/test_grpc

/usr/lib/gcc/x86_64-alpine-linux-musl/12.2.1/../../../../x86_64-alpine-linux-musl/bin/ld: tests/lib/test_grpc-test_grpc.o: undefined reference to symbol '_ZN4absl12lts_202206235MutexD1Ev'

/usr/lib/gcc/x86_64-alpine-linux-musl/12.2.1/../../../../x86_64-alpine-linux-musl/bin/ld: /usr/lib/libabsl_synchronization.so.2206.0.0: error adding symbols: DSO missing from command line

collect2: error: ld returned 1 exit status

make: *** [Makefile:8659: tests/lib/test_grpc] Error 1

>>> ERROR: frr: check failed

frr version: tag 8.5.2

build command: docker build -t frr-grpc-alpine:8.5.2 -f docker/alpine/Dockerfile .

APKBUILD.in file changed:

diff --git a/alpine/APKBUILD.in b/alpine/APKBUILD.in

index fef7a61cc..adeb48199 100644

--- a/alpine/APKBUILD.in

+++ b/alpine/APKBUILD.in

@@ -13,12 +13,12 @@ makedepends="ncurses-dev net-snmp-dev gawk texinfo perl

     expat fakeroot flex fortify-headers gdbm git gmp json-c-dev kmod

     lddtree libacl libatomic libattr libblkid libburn libbz2 libc-dev

     libcap-dev libcurl libedit libffi libgcc libgomp libisoburn libisofs

- libltdl libressl libssh2 libstdc++ libtool libuuid

+ libltdl libressl libssh2 libstdc++ libtool libuuid abseil-cpp abseil-cpp-dev

     linux-headers lzip lzo m4 make mkinitfs mpc1 mpfr4 mtools musl-dev

     ncurses-libs ncurses-terminfo ncurses-terminfo-base patch pax-utils pcre2

     perl pkgconf python3 python3-dev readline readline-dev sqlite-libs pcre2-dev

- squashfs-tools sudo tar texinfo xorriso xz-libs py-pip rtrlib rtrlib-dev

- py3-sphinx elfutils elfutils-dev libyang-dev"

+ squashfs-tools sudo tar texinfo xorriso xz-libs py-pip rtrlib rtrlib-dev re2-dev

+ py3-sphinx elfutils elfutils-dev libyang-dev cmake grpc grpc-dev protobuf-dev"

 checkdepends="pytest py-setuptools"

 install="$pkgname.pre-install $pkgname.pre-deinstall $pkgname.post-deinstall"

 subpackages="$pkgname-dev $pkgname-doc $pkgname-dbg"

@@ -43,6 +43,7 @@ build() {

                --localstatedir=$_localstatedir \

                --enable-rpki \

                --enable-vtysh \

+ --enable-grpc \

                --enable-multipath=64 \

                --enable-vty-group=frrvty \

                --enable-user=$_user \