Script to build rtags for OS X

build-rtags.sh

#!/usr/bin/env bash

# Configuration
RTAGS_REPOSITORY="git@github.com:Andersbakken/rtags.git"
RTAGS_REVISION="da75268b1caa973402ab17e501718da7fc748b34"

# Pre-requisites
if ! which brew >/dev/null; then
    echo "You need to install homebrew (http://brew.sh/)" && exit 1
fi

# Create scratch work dir
SCRATCH_DIR="scratch"
rm -rf "${SCRATCH_DIR}"
mkdir -p "${SCRATCH_DIR}"
pushd "${SCRATCH_DIR}"


# Install LLVM (3.6) via Homebew
brew list llvm
if [ $? -ne 0 ]; then
    brew install llvm \
         --with-libcxx \
         --with-clang \
         --with-python \
         --with-rtti \
         --without-assertions
    # Note, installing with --with-lldb requires code signing.
    # See https://llvm.org/svn/llvm-project/lldb/trunk/docs/code-signing.txt
fi

# Clone, build and install rtags
git clone "${RTAGS_REPOSITORY}"
pushd rtags
git submodule update --init --recursive
git checkout "${RTAGS_REVISION}"
popd

rm -rf rtags-build
mkdir -p rtags-build
pushd rtags-build

LIBCLANG_LLVM_CONFIG_EXECUTABLE=$(brew --prefix llvm)/bin/llvm-config
LLVM_BIN_PATH=$(brew --prefix llvm)/bin

export LIBCLANG_LLVM_CONFIG_EXECUTABLE
export CC="${LLVM_BIN_PATH}/clang"
export CXX="${LLVM_BIN_PATH}/clang++"

cmake ../rtags
make
make install