diff --git a/.github/workflows/header-dump.yml b/.github/workflows/header-dump.yml
new file mode 100644
index 000000000..347fffd60
--- /dev/null
+++ b/.github/workflows/header-dump.yml
@@ -0,0 +1,78 @@
+name: CI
+
+on:
+  push:
+    branches: [ header ]
+  pull_request:
+    branches: [ header ]
+
+jobs:
+  linux:
+    name: Linux (Ubuntu)
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        build_type: [Release, Debug]
+        llvm_version: [16]
+
+    steps:
+      - name: clone repo
+        uses: actions/checkout@v6
+
+      - name: header dump
+        run: make globals
+
+#  linux-32bits:
+#    name: Linux 32-bits
+#    runs-on: ubuntu-latest
+#    defaults:
+#      run:
+#        shell: alpine.sh {0}
+#    steps:
+#      - uses: actions/checkout@v6
+#      - uses: jirutka/setup-alpine@v1
+#        with:
+#          arch: x86
+#          packages: "build-base make"
+#      - name: header dump
+#        run: make globals CONFIG_32BIT=y
+
+  macos:
+    name: macOS
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-14, macos-15]
+    steps:
+      - uses: actions/checkout@v6
+      - name: header dump
+        run: make globals
+
+  openbsd:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: header dump
+        uses: vmactions/openbsd-vm@v1
+        with:
+          usesh: true
+          prepare: |
+            pkg_add gmake
+          run: |
+            gmake globals MAKE=gmake
+
+  freebsd:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: header dump
+        uses: vmactions/freebsd-vm@v1
+        with:
+          usesh: true
+          prepare: |
+            pkg install -y gmake
+          run: |
+            . env.sh
+            gmake globals MAKE=gmake
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2d77a1c9f..58aed9a1b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,13 +21,9 @@ jobs:
       - name: clone repo
         uses: actions/checkout@v6
 
-      - name: header dump
-        run: make globals
-
       - name: bootstrap + compile
         run: |
           . env.sh
-          make globals
           make all
 
       - name: run unit-tests
@@ -47,8 +43,6 @@ jobs:
 #        with:
 #          arch: x86
 #          packages: "build-base make"
-#      - name: header dump
-#        run: make globals CONFIG_32BIT=y
 #      - name: bootstrap + compile + tests
 #        run: |
 #          . env.sh
@@ -63,8 +57,6 @@ jobs:
         os: [macos-14, macos-15]
     steps:
       - uses: actions/checkout@v6
-      - name: header dump
-        run: make globals
       - name: bootstrap + compile + tests
         run: |
           . env.sh
@@ -82,7 +74,6 @@ jobs:
             pkg_add gmake
           run: |
             . ./env.sh
-            gmake globals MAKE=gmake
             gmake all test MAKE=gmake
 
   freebsd:
@@ -97,6 +88,5 @@ jobs:
             pkg install -y gmake
           run: |
             . env.sh
-            gmake globals MAKE=gmake
             gmake all test MAKE=gmake