mirror of
https://github.com/Nexoniarz/Finch.git
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72e96a3f71
CI has failed since the embed merge (2026-10-25): - Linux: bootstrap/build.sh asks llvm-config for the folder with clang-c/Index.h - macOS: FINCH_LIBCLANG's -L folders also go to the compiler's own link "clang" - Windows: the language server turns file:///C:/x into C:/x and back (diagnostics went to /C:/x); the -g tests compare without \r; shared.sh (dlopen, -rdynamic) is not run there Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016GzNP6r8dg6WDxUVZy8wjL
69 lines
3.2 KiB
Shell
Executable file
69 lines
3.2 KiB
Shell
Executable file
#!/bin/sh
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# Builds the Finch compiler without a compiler for Finch: from the seed (the compiler's own LLVM IR),
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# then from itself, and checks that the two come out the same.
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#
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# bootstrap/build.sh build/finch
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# bootstrap/build.sh seed also write bootstrap/<system>.ll anew (do this when the compiler got a feature
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# its own source uses, or the seed is old: the next build starts from it)
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#
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# Needs clang and libclang (the C headers are read through it). The compiler is then in build/finch. It carries the
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# runtime and the standard library inside itself (src/embedded.fch), so it runs from anywhere.
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set -eu
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cd "$(dirname "$0")/.."
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mkdir -p build
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case "$(uname -s)-$(uname -m)" in
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Linux-x86_64) seed=linux-x86_64 ;;
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Linux-aarch64|Linux-arm64) seed=linux-aarch64 ;;
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Darwin-arm64) seed=macos-arm64 ;;
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Darwin-x86_64) seed=macos-x86_64 ;;
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MINGW*|MSYS*|CYGWIN*) seed=windows-x86_64 ;;
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*) echo "bootstrap: no seed for $(uname -s) $(uname -m) (see bootstrap/README.md)" >&2; exit 1 ;;
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esac
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EXE=
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case $seed in windows-*) EXE=.exe ;; esac
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[ -f "bootstrap/$seed.ll" ] || { echo "bootstrap: bootstrap/$seed.ll is missing" >&2; exit 1; }
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CLANG=${FINCH_CLANG:-clang}
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LIBS=${FINCH_LIBCLANG:--lclang}
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INC=
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# where clang-c/Index.h is, if clang does not find it itself (Debian and Ubuntu keep it in /usr/lib/llvm-N/include)
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if [ -z "${FINCH_LLVM_INCLUDE:-}" ] && command -v llvm-config > /dev/null 2>&1 \
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&& [ -f "$(llvm-config --includedir)/clang-c/Index.h" ]; then
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FINCH_LLVM_INCLUDE=$(llvm-config --includedir)
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fi
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[ -z "${FINCH_LLVM_INCLUDE:-}" ] || INC="-I $FINCH_LLVM_INCLUDE"
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export FINCH_RT=$PWD/runtime/finch_rt.c
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# the -L folders of FINCH_LIBCLANG are where the compiler's own link "clang" is found too
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if [ -z "${FINCH_LDFLAGS:-}" ]; then
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for w in $LIBS; do
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case $w in -L*) FINCH_LDFLAGS="${FINCH_LDFLAGS:-} $w" ;; esac
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done
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[ -z "${FINCH_LDFLAGS:-}" ] || export FINCH_LDFLAGS
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fi
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# Windows: libclang.dll has to sit next to the programs that use it (FINCH_LIBCLANG is then the path of that dll)
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if [ -n "$EXE" ]; then cp "$LIBS" build/; fi
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echo "bootstrap: seed ($seed) -> build/finch0"
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$CLANG -O1 -w "bootstrap/$seed.ll" runtime/finch_rt.c -o build/finch0$EXE -lm $LIBS
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echo "bootstrap: build/finch0$EXE packs the runtime and std into src/embedded.fch"
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bootstrap/pack.sh build/finch0$EXE
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echo "bootstrap: build/finch0$EXE builds the compiler -> build/finch1"
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build/finch0$EXE build src/main.fch -o build/finch1$EXE $INC
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echo "bootstrap: build/finch1$EXE builds the compiler -> build/finch"
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build/finch1$EXE build src/main.fch -o build/finch$EXE $INC
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# a compiler that builds itself must come out the same however many times it does
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build/finch1$EXE ir src/main.fch $INC > build/stage1.ll
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build/finch$EXE ir src/main.fch $INC > build/stage2.ll
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if cmp -s build/stage1.ll build/stage2.ll; then
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echo "bootstrap: build/finch1$EXE and build/finch make the same IR ($(wc -l < build/stage2.ll) lines): done"
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else
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echo "bootstrap: the compiler does not reproduce itself (build/stage1.ll and build/stage2.ll differ)" >&2
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exit 1
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fi
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if [ "${1:-}" = seed ]; then
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cp build/stage2.ll "bootstrap/$seed.ll"
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echo "bootstrap: wrote bootstrap/$seed.ll"
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fi
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