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The compiler runs on Windows (and has seeds for macOS)

Browse source 
Windows: the compiler made from bootstrap/windows-x86_64.ll runs under Wine, compiles itself to the same IR, builds an
exe of itself, and every test program passes through it. It needed: Windows-sized unsigned long for libclang's unsaved
file, no 'cross' when Windows builds for Windows, --target passed to libclang (libclang.dll assumes MSVC), the MinGW
triple always in the IR, FINCH_LDFLAGS, .exe names and FINCH_LLVM_INCLUDE in bootstrap/build.sh, winseed.sh/winbuild.sh.
macOS: seeds for arm64 and x86-64 made with the 11.3 SDK; IR is accepted by clang, nothing has run on a Mac yet.
CI gets a windows and a macos job. UNTESTED on real Windows/macOS runners.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015f73FesGZGYPkmDvUcj6QX
This commit is contained in:
Nexoniarz 2026-10-26 00:36:15 +01:00
commit b53e0910d8
18 changed files with 398686 additions and 45576 deletions
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26
bootstrap/build.sh
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@ -20,26 +20,32 @@ case "$(uname -s)-$(uname -m)" in
MINGW*|MSYS*|CYGWIN*) seed=windows-x86_64 ;;
*) echo "bootstrap: no seed for $(uname -s) $(uname -m) (see bootstrap/README.md)" >&2; exit 1 ;;
esac
EXE=
case $seed in windows-*) EXE=.exe ;; esac
[ -f "bootstrap/$seed.ll" ] || { echo "bootstrap: bootstrap/$seed.ll is missing" >&2; exit 1; }
CLANG=${FINCH_CLANG:-clang}
LIBS=${FINCH_LIBCLANG:--lclang}
INC=
[ -z "${FINCH_LLVM_INCLUDE:-}" ] || INC="-I $FINCH_LLVM_INCLUDE" # where clang-c/Index.h is, if clang does not find it itself
export FINCH_RT=$PWD/runtime/finch_rt.c
# Windows: libclang.dll has to sit next to the programs that use it (FINCH_LIBCLANG is then the path of that dll)
if [ -n "$EXE" ]; then cp "$LIBS" build/; fi
echo "bootstrap: seed ($seed) -> build/finch0"
$CLANG -O1 -w "bootstrap/$seed.ll" runtime/finch_rt.c -o build/finch0 -lm $LIBS
echo "bootstrap: build/finch0 packs the runtime and std into src/embedded.fch"
bootstrap/pack.sh build/finch0
echo "bootstrap: build/finch0 builds the compiler -> build/finch1"
build/finch0 build src/main.fch -o build/finch1
echo "bootstrap: build/finch1 builds the compiler -> build/finch"
build/finch1 build src/main.fch -o build/finch
$CLANG -O1 -w "bootstrap/$seed.ll" runtime/finch_rt.c -o build/finch0$EXE -lm $LIBS
echo "bootstrap: build/finch0$EXE packs the runtime and std into src/embedded.fch"
bootstrap/pack.sh build/finch0$EXE
echo "bootstrap: build/finch0$EXE builds the compiler -> build/finch1"
build/finch0$EXE build src/main.fch -o build/finch1$EXE $INC
echo "bootstrap: build/finch1$EXE builds the compiler -> build/finch"
build/finch1$EXE build src/main.fch -o build/finch$EXE $INC
# a compiler that builds itself must come out the same however many times it does
build/finch1 ir src/main.fch > build/stage1.ll
build/finch ir src/main.fch > build/stage2.ll
build/finch1$EXE ir src/main.fch $INC > build/stage1.ll
build/finch$EXE ir src/main.fch $INC > build/stage2.ll
if cmp -s build/stage1.ll build/stage2.ll; then
echo "bootstrap: build/finch1 and build/finch make the same IR ($(wc -l < build/stage2.ll) lines): done"
echo "bootstrap: build/finch1$EXE and build/finch make the same IR ($(wc -l < build/stage2.ll) lines): done"
else
echo "bootstrap: the compiler does not reproduce itself (build/stage1.ll and build/stage2.ll differ)" >&2
exit 1