Maybe make it possible

docker/packager/binary/Dockerfile

@@ -44,6 +44,15 @@ RUN add-apt-repository ppa:ubuntu-toolchain-r/test --yes \
 # A cross-linker for RISC-V 64 (we need it, because LLVM's LLD does not work):
 RUN apt-get install binutils-riscv64-linux-gnu
 
+# Build LLVM from trunk, because only that version can build the RISC-V binaries successfully.
+# It can be also used to check it for regular builds.
+RUN git clone git@github.com:llvm/llvm-project.git \
+    && mkdir llvm-build \
+    && cd llvm-build \
+    && cmake -GNinja -DCMAKE_BUILD_TYPE:STRING=Release -DLLVM_ENABLE_PROJECTS=all -DLLVM_TARGETS_TO_BUILD=all ../llvm-project/llvm \
+    && ninja \
+    && ninja install
+
 # Architecture of the image when BuildKit/buildx is used
 ARG TARGETARCH
 ARG NFPM_VERSION=2.16.0

docker/packager/packager

@@ -189,7 +189,7 @@ def parse_env_variables(
             "-DCMAKE_TOOLCHAIN_FILE=/build/cmake/linux/toolchain-ppc64le.cmake"
         )
     elif is_cross_riscv:
-        cc = compiler[: -len(RISCV_SUFFIX)]
+        cc = "clang"
         cmake_flags.append(
             "-DCMAKE_TOOLCHAIN_FILE=/build/cmake/linux/toolchain-riscv64.cmake"
         )
@@ -346,7 +346,7 @@ if __name__ == "__main__":
             "clang-14-darwin-aarch64",
             "clang-14-aarch64",
             "clang-14-ppc64le",
-            "clang-14-riscv64",
+            "clang-trunk-riscv64",
             "clang-14-freebsd",
             "gcc-11",
         ),

tests/ci/ci_config.py

@@ -178,7 +178,7 @@ CI_CONFIG = {
             "with_coverage": False,
         },
         "binary_riscv64": {
-            "compiler": "clang-14-riscv64",
+            "compiler": "clang-trunk-riscv64",
             "build_type": "",
             "sanitizer": "",
             "package_type": "binary",