diff --git a/BuildLinux.sh b/BuildLinux.sh
index aa2a8eff5..fe29e3acf 100755
--- a/BuildLinux.sh
+++ b/BuildLinux.sh
@@ -1,21 +1,54 @@
 #!/bin/bash
 # ~/bin/build-polycode
+set -euv
+basedir=$(pwd)
 
-mkdir -p Dependencies/Build/Debug Dependencies/Build/Release Build/Debug Build/Release Standalone/Build
-cd Dependencies/Build/Debug
+# NOTE: The build system does not install any files into CMAKE_INSTALL_PREFIX,
+# but instead builds everything in the source tree.
+
+# You can supply parameters to make by passing them as parameters to this
+# script. For example -j<number of threads> may be useful.
+
+# Build dependencies
+
+mkdir -p "$basedir/Dependencies/Build/Debug"
+cd       "$basedir/Dependencies/Build/Debug"
 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug ../..
-make
-cd ../Release
+make $@
+
+mkdir -p "$basedir/Dependencies/Build/Release"
+cd       "$basedir/Dependencies/Build/Release"
 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release ../..
-make
-cd ../../../Build/Debug
+make $@
+
+# Build core
+
+mkdir -p "$basedir/Build/Debug"
+cd       "$basedir/Build/Debug"
 cmake -G "Unix Makefiles" -DPOLYCODE_BUILD_BINDINGS=ON -DPOLYCODE_BUILD_PLAYER=ON -DCMAKE_BUILD_TYPE=Debug -DPYTHON_EXECUTABLE=/usr/bin/python2 ../..
-make
+make $@
+make $@ PolycodeLua
 make install
-cd ../Release
+
+mkdir -p "$basedir/Build/Release"
+cd       "$basedir/Build/Release"
 cmake -G "Unix Makefiles" -DPOLYCODE_BUILD_BINDINGS=ON -DPOLYCODE_BUILD_PLAYER=ON -DCMAKE_BUILD_TYPE=Release -DPYTHON_EXECUTABLE=/usr/bin/python2 ../..
-make
+make $@
+make $@ PolycodeLua
 make install
-cd ../../Standalone/Build
+
+# Build standalone
+
+mkdir -p "$basedir/Standalone/Build"
+cd       "$basedir/Standalone/Build"
 cmake -G "Unix Makefiles" ..
 make install
+
+# Build IDE
+
+mkdir -p "$basedir/IDE/Build/Linux"
+cd       "$basedir/IDE/Build/Linux"
+make $@
+# IDE executable is found in "$basedir/IDE/Build/Linux/Build"
+
+