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#!/bin/sh -xe
gollvmdir=$(dirname "$0")/llvm
workdir=$gollvmdir/workdir
llvmdir=$gollvmdir/../../..
llvm_builddir=$workdir/llvm_build
mkdir -p $llvm_builddir
cmake_flags="../../../../.. $@"
llvm_config="$llvm_builddir/bin/llvm-config"
llvm_go="$llvm_builddir/bin/llvm-go"
if test -n "`which ninja`" ; then
# If Ninja is available, we can speed up the build by building only the
# required subset of LLVM.
(cd $llvm_builddir && cmake -G Ninja $cmake_flags)
ninja -C $llvm_builddir llvm-config llvm-go
llvm_components="$($llvm_go print-components)"
llvm_buildtargets="$($llvm_config --libs $llvm_components | sed -e 's/-l//g')"
ninja -C $llvm_builddir $llvm_buildtargets FileCheck
else
(cd $llvm_builddir && cmake $cmake_flags)
make -C $llvm_builddir -j4
fi
$llvm_go print-config > $gollvmdir/llvm_config.go
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