39 lines
2.1 KiB
Bash
Executable file
39 lines
2.1 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
set -uo pipefail
|
|
|
|
# run from root build directory (from inside nix-shell or otherwise defining GLIBC/ZLIB/GMP) as in
|
|
# ```
|
|
# eval cmake ../.. $(../../script/prepare-llvm-linux.sh ~/Downloads/clang+llvm-13.0.0-x86_64-linux-gnu-ubuntu-16.04.tar.xz)
|
|
# ```
|
|
|
|
# use full LLVM release for compiling C++ code, but subset for compiling C code and distribution
|
|
|
|
[[ -d llvm ]] || (mkdir llvm; tar xf $1 --strip-components 1 --directory llvm)
|
|
mkdir -p stage1/{bin,lib,lib/glibc,include/clang}
|
|
CP="cp -d" # preserve symlinks
|
|
# a C compiler!
|
|
$CP $(realpath llvm/bin/clang) stage1/bin/clang
|
|
# a linker!
|
|
$CP llvm/bin/{ld.lld,lld} stage1/bin/
|
|
# dependencies of the above
|
|
$CP llvm/lib/lib{clang-cpp,LLVM}*.so* stage1/lib/
|
|
$CP $ZLIB/lib/libz.so* stage1/lib/
|
|
# lean.h dependencies
|
|
$CP llvm/lib/clang/*/include/{std*,__std*,limits}.h stage1/include/clang
|
|
# ELF dependencies, must be put there for `--sysroot`
|
|
$CP $GLIBC/lib/crt* llvm/lib/
|
|
$CP $GLIBC/lib/crt* stage1/lib/
|
|
# runtime
|
|
(cd llvm; $CP --parents lib/clang/*/lib/*/{clang_rt.*.o,libclang_rt.builtins*} ../stage1)
|
|
$CP llvm/lib/lib{c++,c++abi,unwind}.* $GMP/lib/libgmp.a stage1/lib/
|
|
# glibc: use for linking (so Lean programs don't embed newer symbol versions), but not for running (because libc.so, librt.so, and ld.so must be compatible)!
|
|
$CP $GLIBC/lib/libc_nonshared.a stage1/lib/glibc
|
|
for f in $GLIBC/lib/lib{c,dl,m,rt,pthread}-*; do b=$(basename $f); cp $f stage1/lib/glibc/${b%-*}.so; done
|
|
OPTIONS=()
|
|
echo -n " -DCMAKE_C_COMPILER=$PWD/stage1/bin/clang -DCMAKE_CXX_COMPILER=$PWD/llvm/bin/clang++ -DLEAN_CXX_STDLIB='-Wl,-Bstatic -lc++ -lc++abi -Wl,-Bdynamic'"
|
|
# allow C++ code to include /usr since it needs quite a few more headers
|
|
echo -n " -DLEAN_EXTRA_CXX_FLAGS='--sysroot $PWD/llvm --stdlib=libc++ -I/usr/include -I/usr/include/x86_64-linux-gnu'"
|
|
echo -n " -DLEANC_INTERNAL_FLAGS='--sysroot ROOT -I ROOT/include/clang' -DLEANC_CC=ROOT/bin/clang"
|
|
echo -n " -DLEANC_INTERNAL_LINKER_FLAGS='-L ROOT/lib -L ROOT/lib/glibc ROOT/lib/glibc/libc_nonshared.a --rtlib=compiler-rt -static-libgcc -Wl,-Bstatic -lgmp -lunwind -Wl,-Bdynamic -fuse-ld=lld'"
|
|
# do not set `LEAN_CC` for tests
|
|
echo -n " -DLEAN_TEST_VARS=''"
|