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fix: leanc: do not change sysroot

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Apparently clang is smart enough to look up runtime files missing from
the sysroot in the installation directory automatically.
This commit is contained in:
Sebastian Ullrich 2021-12-17 14:17:27 +01:00
parent c3a9860dc8
commit 068ea1beb4
3 changed files with 7 additions and 3 deletions
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3
script/prepare-llvm-linux.sh
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@ -36,8 +36,9 @@ OPTIONS=()
echo -n " -DLEAN_STANDALONE=ON"
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
# set sysroot for both C++ and C to make sure we have all necessary runtime files, but don't embed in `leanc` so users can still link to system libs
echo -n " -DLEAN_EXTRA_CXX_FLAGS='--sysroot $PWD/llvm -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_FLAGS='-I ROOT/include/clang' -DLEANC_OPTS='--sysroot $PWD/stage1' -DLEANC_CC=ROOT/bin/clang"
echo -n " -DLEANC_INTERNAL_LINKER_FLAGS='-L ROOT/lib -L ROOT/lib/glibc ROOT/lib/glibc/libc_nonshared.a -Wl,--as-needed -static-libgcc -Wl,-Bstatic -lgmp -lunwind -Wl,-Bdynamic -fuse-ld=lld'"
# do not set `LEAN_CC` for tests
echo -n " -DLEAN_TEST_VARS=''"

3
script/prepare-llvm-macos.sh
View file

@ -35,8 +35,9 @@ echo -n " -DLEAN_STANDALONE=ON"
# and the custom clang++ outputs a myriad of warnings when consuming the SDK
echo -n " -DCMAKE_C_COMPILER=$PWD/stage1/bin/clang"
echo -n " -DGMP_LIBRARIES=lib/libgmp.a -DGMP_INCLUDE_DIR=/usr/local/opt/gmp/include"
# set sysroot for C to make sure we have all necessary runtime files, but don't embed in `leanc` so users can still link to system libs
# need no-macro-redefined for weird clang stdint.h
echo -n " -DLEANC_INTERNAL_FLAGS='--sysroot ROOT -I ROOT/include/clang -Wno-macro-redefined' -DLEANC_CC=ROOT/bin/clang"
echo -n " -DLEANC_INTERNAL_FLAGS='-I ROOT/include/clang -Wno-macro-redefined' -DLEANC_OPTS='--sysroot $PWD/stage1' -DLEANC_CC=ROOT/bin/clang"
echo -n " -DLEANC_INTERNAL_LINKER_FLAGS='-L ROOT/lib -L ROOT/lib/libc -fuse-ld=lld'"
# do not set `LEAN_CC` for tests
echo -n " -DLEAN_TEST_VARS=''"

4
script/prepare-llvm-mingw.sh
View file

@ -36,8 +36,10 @@ echo -n " -DLEAN_STANDALONE=ON"
echo -n " -DCMAKE_C_COMPILER=$PWD/stage1/bin/clang.exe -DCMAKE_CXX_COMPILER=$PWD/llvm/bin/clang++.exe -DLEAN_CXX_STDLIB='-lc++ -lc++abi'"
echo -n " -DSTAGE0_CMAKE_C_COMPILER=clang -DSTAGE0_CMAKE_CXX_COMPILER=clang++"
# allow C++ code to include /usr since it needs quite a few more headers
# allow C++ code to include /usr since it needs quite a few more headers
# set sysroot for both C++ and C to make sure we have all necessary runtime files, but don't embed in `leanc` so users can still link to system libs
echo -n " -DLEAN_EXTRA_CXX_FLAGS='--sysroot $PWD/llvm -I/clang64/include/ -I/clang64/x86_64-w64-mingw32/include/'"
echo -n " -DLEANC_INTERNAL_FLAGS='--sysroot ROOT -I ROOT/include/clang' -DLEANC_CC=ROOT/bin/clang.exe"
echo -n " -DLEANC_INTERNAL_FLAGS='-I ROOT/include/clang' -DLEANC_OPTS='--sysroot $PWD/stage1' -DLEANC_CC=ROOT/bin/clang.exe"
echo -n " -DLEANC_INTERNAL_LINKER_FLAGS='-L ROOT/lib -static-libgcc -Wl,-Bstatic -lgmp -lunwind -Wl,-Bdynamic -lucrtbase -fuse-ld=lld'"
# do not set `LEAN_CC` for tests
echo -n " -DAUTO_THREAD_FINALIZATION=OFF -DSTAGE0_AUTO_THREAD_FINALIZATION=OFF"