configure

   1 #!/bin/sh
   2
   3 cd $(dirname $0)
   4 TOP=$PWD
   5
   6 if test -z "$LLVM_CONFIG"; then
   7     if [ -x llvm/configure ]; then
   8         echo "Will build llvm and clang from sources"
   9         ln -sf ../../clang llvm/tools/clang
  10         mkdir -p llvm/_build
  11         (
  12             cd llvm/_build
  13             ../configure --prefix=$TOP/_install --enable-optimized
  14         )
  15         LLVM_CONFIG=$TOP/_install/bin/llvm-config
  16     else
  17         echo "Using system-wide llvm and clang"
  18         LLVM_CONFIG=llvm-config
  19     fi
  20 else
  21     echo "Using custom llvm-config: $LLVM_CONFIG"
  22 fi
  23
  24 cat <<EOF > $TOP/Makefile.config
  25 LLVM_CONFIG := $LLVM_CONFIG
  26 EOF
  27
  28 echo "Now run 'make' to compile everything"