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configure: Add a sanity check for tarballs without submodules

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Because GitHub publishes broken tarballs on our behalf that we can't
disable, this adds a check that src/liblibc exists, and then
complains if not.
This commit is contained in:
Brian Anderson 2016-04-29 19:32:18 +00:00
parent 8b1dcf40f2
commit 6bc9318318
1 changed files with 13 additions and 0 deletions
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13
configure vendored
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@ -1453,6 +1453,19 @@ then
cd ${CFG_BUILD_DIR}
fi
# Do a sanity check that the submodule source exists. Because GitHub
# automatically publishes broken tarballs that can't be disabled, and
# people download them and try to use them.
if [ ! -e "${CFG_SRC_DIR}/src/liblibc" ]; then
err "some submodules are missing. Is this a broken tarball?
If you downloaded this tarball from the GitHub release pages at
https://github.com/rust-lang/rust/releases,
then please delete it and instead download the source from
https://www.rust-lang.org/downloads.html"
fi
# Configure llvm, only if necessary
step_msg "looking at LLVM"
CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/