#
#  Copyright (c) 2017-2026, Intel Corporation
#
#  SPDX-License-Identifier: BSD-3-Clause

FROM fedora:41
LABEL maintainer="Nurmukhametov, Aleksei <aleksei.nurmukhametov@intel.com>"
SHELL ["/bin/bash", "-c"]

ARG REPO=ispc/ispc
ARG SHA=main

# If you are behind a proxy, you need to configure dnf to use it.
RUN if [ -v http_proxy ]; then echo "proxy=$http_proxy" >> /etc/dnf/dnf.conf; fi

# Packages required to build ISPC.
# Fedora 41 provides TBB 2021.x (libtbb.so.12) which is compatible with LLVM 21+
RUN dnf install -y git cmake python3-setuptools python3-devel wget dnf-plugins-core && \
    dnf install -y clang-devel llvm-devel glibc-devel.i686 && \
    dnf install -y flex bison tbb-devel && \
    dnf clean -y all

# If you are behind a proxy, you need to configure git to use it.
RUN if [ -v http_proxy ]; then git config --global --add http.proxy "$http_proxy"; fi

# LLVM
# We don't build llvm here because we use system shared libraries.

WORKDIR /usr/local/src

# Create new non-root user and switch to it
RUN useradd -m -d /home/ispc_user -s /bin/bash -U ispc_user && \
    chown -R ispc_user:ispc_user /usr

USER ispc_user

# Clone, configure and build ISPC
# Some check-all tests may fail because we use system LLVM here
RUN git clone https://github.com/$REPO.git ispc && \
    git -C ispc checkout $SHA && \
    cmake ispc -B build-ispc -DCMAKE_INSTALL_PREFIX=/usr/local && \
    cmake --build build-ispc -v -j "$(nproc)" && \
    (cmake --build build-ispc --target check-all || true) && \
    (echo "shared libs deps of ispc" && ldd ./build-ispc/bin/ispc) && \
    cmake --install build-ispc && \
    rm -rf build ispc
