diff --git a/.github/workflows/build-config.yml b/.github/workflows/build-config.yml
new file mode 100644
index 0000000..84b080a
--- /dev/null
+++ b/.github/workflows/build-config.yml
@@ -0,0 +1,34 @@
+name: Verify CONFIG compiles
+
+on:
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: fozztexx/defoogi:1.4.2
+
+    steps:
+    - name: Checkout this repository
+      uses: actions/checkout@v4
+      with:
+        path: fn-lib
+
+    - name: Checkout CONFIG
+      uses: actions/checkout@v4
+      with:
+        repository: FujiNetWIFI/fujinet-config
+        path: fn-config
+
+    - name: Build fn-lib
+      working-directory: fn-lib
+      run: |
+        make
+
+    - name: Compile CONFIG
+      working-directory: fn-config
+      run: |
+        make FUJINET_LIB=$GITHUB_WORKSPACE/fn-lib/build
diff --git a/.gitignore b/.gitignore
index c31355d..93f3fa0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,7 @@ build/
 Makefile.options
 
 _temp
-*.err
\ No newline at end of file
+*.err
+*~
+*.orig
+*.rej
diff --git a/network_http_set_channel_mode.err b/network_http_set_channel_mode.err
deleted file mode 100644
index effbc75..0000000
--- a/network_http_set_channel_mode.err
+++ /dev/null
@@ -1 +0,0 @@
-msdos/src/fn_network/network_http_set_channel_mode.c(8): Warning! W131: No prototype found for function 'int_f5'
diff --git a/network_read.err b/network_read.err
deleted file mode 100644
index 701a916..0000000
--- a/network_read.err
+++ /dev/null
@@ -1,3 +0,0 @@
-common/src/fn_network/network_read.c(154): Warning! W102: Parameter 1: Type mismatch (warning)
-common/src/fn_network/network_read.c(154): Note! I2003: source conversion type is 'unsigned char'
-common/src/fn_network/network_read.c(154): Note! I2004: target conversion type is 'char const *'