# wnix, a Unix-like operating system for WebAssembly applications.
# Copyright (C) 2025  Xavier Del Campo Romero
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

find_package(Clang REQUIRED)
set(expr "^([0-9]+)\.([0-9]+)\.([0-9]+)$")
string(REGEX REPLACE ${expr} "\\1" LLVM_VERSION_MAJOR "${LLVM_VERSION}")
find_program(clang_exec clang-${LLVM_VERSION_MAJOR} REQUIRED)
set(CMAKE_C_COMPILER ${clang_exec})
set(CMAKE_C_COMPILER_WORKS 1)
set(CMAKE_C_FLAGS " \
    ${CMAKE_C_FLAGS} \
    --target=wasm32-unknown-unknown-wasm \
    -mcpu=mvp \
    -fno-exceptions \
    -nostdinc \
    -nostdlib \
")
set(CMAKE_EXE_LINKER_FLAGS "\
    ${CMAKE_EXE_LINKER_FLAGS} \
    -Wl,--threads=1 \
")
set(CMAKE_STRIP ${WASI_SDK_STRIP})