Add build script for those who prefer Clang/LLVM over GCC

build-debug-with-clang

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Do you like Clang/LLVM? Use this script to build DOSBox-X!
+export CC=`which clang`
+export CXX=`which clang++`
+export CPP=`which clang-cpp`
+
+# allow 32-bit on 64-bit (x86) builds
+if [ "$1" == "32" ]; then
+    export CC=`which clang`" -m32"
+    export CXX=`which clang++`" -m32"
+    shift
+    opt="--host=i686-pc-linux-gnu --target=i686-pc-linux-gnu"
+fi
+
+# I'm sick and tired of all the churn the three versions of autoconf
+# are causing in this repo. Stop committing the configure scripts
+# and just autoregen.
+./autogen.sh || exit 1
+
+# fix
+chmod +x vs2015/sdl/build-scripts/strip_fPIC.sh
+
+# prefer to compile against our own copy of SDL 1.x
+echo Compiling our internal SDL 1.x
+(cd vs2015/sdl && ./build-dosbox.sh) || exit 1
+
+# prefer to compile against our own copy of SDLnet 1.x
+echo Compiling our internal SDLnet 1.x
+(cd vs2015/sdlnet && ./build-dosbox.sh) || exit 1
+
+# now compile ourself
+echo Compiling DOSBox-X
+chmod +x configure
+./configure --enable-core-inline --enable-debug=heavy --prefix=/usr "$@" $opt || exit 1
+make -j3 || exit 1
+