diff --git a/.ci/bootstrap.sh b/.ci/bootstrap.sh
index 4b0188904..27a876abd 100755
--- a/.ci/bootstrap.sh
+++ b/.ci/bootstrap.sh
@@ -1,6 +1,5 @@
 #!/bin/bash
 
-###### Part 1: Build old QB64 ######
 com_build() {
   cd internal/c/$1/os/lnx
   echo -n "Building $2..."
@@ -20,7 +19,7 @@ com_build "parts/core" "FreeGLUT"
 cp -r internal/source/* internal/temp/
 cd internal/c
 echo -n "Bootstrapping QB64..."
-g++ $NOPIE -w qbx.cpp libqb/os/lnx/libqb_setup.o parts/video/font/ttf/os/lnx/src.o parts/core/os/lnx/src.a -lGL -lGLU -lX11 -lcurses -lpthread -ldl -lrt -D FREEGLUT_STATIC -DDEPENDENCY_USER_MODS -o ../../qb64_bootstrap
+g++ -w qbx.cpp libqb/os/lnx/libqb_setup.o parts/video/font/ttf/os/lnx/src.o parts/core/os/lnx/src.a -lGL -lGLU -lX11 -lcurses -lpthread -ldl -lrt -D FREEGLUT_STATIC -DDEPENDENCY_USER_MODS -o ../../qb64_bootstrap
 if [ $? -ne 0 ]; then
   echo "QB64 bootstrap failed"
   exit 1
diff --git a/.ci/compile.sh b/.ci/compile.sh
new file mode 100755
index 000000000..9687f7a9a
--- /dev/null
+++ b/.ci/compile.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+echo From git `echo $GITHUB_SHA | sed 's/\(.......\).*$/\1/'` > internal/version.txt
+./qb64_bootstrap -x source/qb64.bas > /tmp/qb64-output
+rm qb64_bootstrap
+if [ `grep -v '^WARNING' /tmp/qb64-output | wc -l` -gt 2 ]; then
+  cat /tmp/qb64-output
+  rm /tmp/qb64-output
+  exit 1
+fi
diff --git a/.ci/update-source.sh b/.ci/update-source.sh
new file mode 100755
index 000000000..5b2a64aa7
--- /dev/null
+++ b/.ci/update-source.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+rm internal/source/*
+mv internal/temp/* internal/source/
+find . -type f -iname "*.a" -exec rm {} \;
+find . -type f -iname "*.o" -exec rm {} \;
+cd internal/source
+rm debug_* recompile_*
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fb80ca1ac..051a48428 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,3 +13,5 @@ jobs:
       run: sudo apt update && sudo apt install libglu1-mesa-dev libncurses-dev
     - name: Bootstrap compiler
       run: .ci/bootstrap.sh
+    - name: Compile
+      run: .ci/compile.sh