Small unix improvements

build.sh

@@ -1,3 +1,5 @@
+#!/usr/bin/bash
+
 mkdir build
 cd build
 
@@ -42,6 +44,7 @@ fi
 clang ../src/text_editor/text_editor.cpp ../src/basic/unix.cpp \
     -o te_linux.exe \
     -nostdlib++ -fno-exceptions -fdiagnostics-absolute-paths -g \
+    -DDEBUG_BUILD=1 \
     -Wno-writable-strings \
     -I../src/external/SDL/include \
     -I../src/external/lua/src \