bitcoin-core: re-enable IPC

Now that we have a base image that has GCC 13.

Author: fanquake

projects/bitcoin-core/Dockerfile

@@ -20,8 +20,8 @@ FROM gcr.io/oss-fuzz-base/base-builder:ubuntu-24-04
 # * https://github.com/bitcoin/bitcoin/blob/master/doc/build-unix.md#dependency-build-instructions
 # * https://github.com/bitcoin/bitcoin/blob/master/depends/README.md#for-linux-including-i386-arm-cross-compilation
 RUN apt-get update && apt-get install -y \
-  build-essential curl g++-multilib make \
-  patch pkgconf python3 wget zip
+  build-essential capnproto curl g++-multilib \
+  libcapnp-dev make patch pkgconf python3 wget zip
 
 RUN git clone --depth=1 https://github.com/bitcoin/bitcoin.git bitcoin-core
 RUN git clone --depth=1 https://github.com/bitcoin-core/qa-assets bitcoin-core/assets && \

projects/bitcoin-core/build.sh

@@ -39,9 +39,7 @@ export CPPFLAGS="-D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -DBOOST_M
 (
   cd depends
   sed -i --regexp-extended '/.*rm -rf .*extract_dir.*/d' ./funcs.mk  # Keep extracted source
-  # Disable IPC pending https://github.com/google/oss-fuzz/pull/13018
   make HOST=$BUILD_TRIPLET DEBUG=1 NO_QT=1 NO_ZMQ=1 NO_USDT=1 \
-       NO_IPC=1 \
        AR=llvm-ar NM=llvm-nm RANLIB=llvm-ranlib STRIP=llvm-strip \
        -j$(nproc)
 )