Initial Commit, moving from dev-private and removing private stuff

1 files changed, 150 insertions, 0 deletions

diff --git a/helpers/llvm-projs b/helpers/llvm-projs
new file mode 100755
index 0000000..e0ff2da
--- /dev/null
+++ b/helpers/llvm-projs
@@ -0,0 +1,150 @@
+#!/usr/bin/env bash
+
+# This script keeps track of all projects that are linked to the llvm src
+# directory. It can detect, enable, disable and map to specific projects,
+# so different builds get to see the source dir as they saw originally.
+
+. llvm-common
+
+prog=`basename $0`
+syntax() {
+  echo "Syntax: $prog {+/-}[clang|rt|libs|tools|test]"
+  echo " noarg: list linked projects"
+  echo " {+/-}: link / unlik projects (default: link)"
+}
+
+# Dirs and links into LLVM
+clang_dir=clang
+clang_link=tools/clang
+rt_dir=compiler-rt
+rt_link=projects/compiler-rt
+libcxx_dir=libcxx
+libcxx_link=projects/libcxx
+libcxxabi_dir=libcxxabi
+libcxxabi_link=projects/libcxxabi
+libunwind_dir=libunwind
+libunwind_link=projects/libunwind
+lld_dir=lld
+lld_link=tools/lld
+lldb_dir=lldb
+lldb_link=tools/lldb
+tests_dir=test-suite
+tests_link=projects/test-suite
+
+# Check if link exists
+has() {
+  link=$1
+  [ -s "$LLVM_SRC/$link" ]
+}
+
+# Initialise status
+init() {
+  link=$1
+  if has $link; then
+    echo "true";
+  else
+    echo "false"
+  fi
+}
+
+# Link/Unlink upon need
+update() {
+  dir=$1
+  link=$2
+  need=$3
+  if $need; then
+    ln -sf $LLVM_SRC/../$dir $LLVM_SRC/$link
+  else
+    rm -f $LLVM_SRC/$link
+  fi
+}
+
+# Lists linked projects and quit
+list_all() {
+  echo "Projects linked:"
+  has $clang_link && echo " + Clang"
+  has $rt_link && echo " + Compiler-RT"
+  has $libcxx_link && echo " + LibC++"
+  has $libcxxabi_link && echo " + LibC++abi"
+  has $libunwind_link && echo " + LibUnwind"
+  has $lld_link && echo " + LLD"
+  has $lldb_link && echo " + LLDB"
+  has $tests_link && echo " + Test-Suite"
+  echo
+}
+
+# No args, list
+if [ "$1" = "" ]; then
+  echo "Use $prog -h for options"
+  echo
+  list_all
+  exit
+fi
+
+# Need/not need
+clang=`init $clang_link`
+rt=`init $rt_link`
+libcxx=`init $libcxx_link`
+libcxxabi=`init $libcxxabi_link`
+libunwind=`init $libunwind_link`
+lld=`init $lld_link`
+lldb=`init $lldb_link`
+tests=`init $tests_link`
+
+# Check all needed projects
+while ! test -z $1; do
+  opt=$1
+  sign=${opt:0:1}
+  flag=true
+  if [ "$sign" = "-" ]; then
+    flag=false
+    opt=${opt:1}
+  fi
+  if [ "$sign" = "+" ]; then
+    opt=${opt:1}
+  fi
+
+  case $opt in
+    clang)
+      clang=$flag
+      ;;
+    rt)
+      rt=$flag
+      ;;
+    libs)
+      libcxx=$flag
+      libcxxabi=$flag
+      libunwind=$flag
+      ;;
+    tools)
+      lld=$flag
+      lldb=$flag
+      ;;
+    test)
+      tests=$flag
+      ;;
+    list)
+      list_all
+      exit
+      ;;
+    -h)
+      syntax
+      exit
+      ;;
+    *)
+      syntax
+      exit 1
+  esac
+  shift
+done
+
+# Update links
+update $tests_dir $tests_link $tests
+update $lldb_dir $lldb_link $lldb
+update $lld_dir $lld_link $lld
+update $libunwind_dir $libunwind_link $libunwind
+update $libcxxabi_dir $libcxxabi_link $libcxxabi
+update $libcxx_dir $libcxx_link $libcxx
+update $rt_dir $rt_link $rt
+update $clang_dir $clang_link $clang
+list_all