diff --git a/.github/workflows/test-alpine-linux.yml b/.github/workflows/test-minimal-alpine-linux.yml
similarity index 92%
rename from .github/workflows/test-alpine-linux.yml
rename to .github/workflows/test-minimal-alpine-linux.yml
index dc481645..656f36af 100644
--- a/.github/workflows/test-alpine-linux.yml
+++ b/.github/workflows/test-minimal-alpine-linux.yml
@@ -30,7 +30,7 @@ jobs:
           make -C build/debug   test
           make -C build/release test
           make -C build/release install DESTDIR="$PWD/Install"
-          N=$(echo "upx-test-alpine-linux-clang-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          N=$(echo "upx-test-minimal-alpine-linux-clang-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
         if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: missing nodejs on host
@@ -57,7 +57,7 @@ jobs:
           make -C build/debug   test
           make -C build/release test
           make -C build/release install DESTDIR="$PWD/Install"
-          N=$(echo "upx-test-alpine-linux-gcc-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          N=$(echo "upx-test-minimal-alpine-linux-gcc-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
         if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: missing nodejs on host
diff --git a/.github/workflows/test-minimal-chimera-linux.yml b/.github/workflows/test-minimal-chimera-linux.yml
new file mode 100644
index 00000000..a0538d5d
--- /dev/null
+++ b/.github/workflows/test-minimal-chimera-linux.yml
@@ -0,0 +1,41 @@
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# test minimal number of packages required for building UPX under Chimera Linux
+#   clang: apk add clang cmake curl gmake gtar
+#
+
+name: 'Test - Minimal Chimera build'
+on: [workflow_dispatch]
+env:
+  CMAKE_REQUIRED_QUIET: 'OFF'
+  CMAKE_VERBOSE_MAKEFILE: 'ON'
+  CTEST_OUTPUT_ON_FAILURE: 'ON'
+  DEBIAN_FRONTEND: noninteractive
+
+jobs:
+  job-chimera-clang: # uses cmake + make
+    if: true
+    strategy: { matrix: { container: ['chimeralinux/chimera:latest'] } }
+    name: ${{ format('clang {0}', matrix.container) }}
+    runs-on: ubuntu-latest
+    container: ${{ matrix.container }}
+    steps:
+      - name: ${{ format('Build clang {0}', matrix.container) }}
+        run: |
+          apk update && apk upgrade && apk add clang cmake curl gmake gtar
+          for p in make tar; do ln -s -v ../../bin/g$p /usr/local/bin/$p; done
+          curl -OL https://github.com/upx/upx/releases/download/v4.2.1/upx-4.2.1-src.tar.xz
+          tar -xoaf upx-*-src.tar.xz
+          cd upx-*-src
+          make    build/debug   CC="clang" CXX="clang++"
+          make    build/release CC="clang" CXX="clang++"
+          make -C build/debug   test
+          make -C build/release test
+          make -C build/release install DESTDIR="$PWD/Install"
+          N=$(echo "upx-test-minimal-chimera-linux-clang-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          echo "artifact_name=$N" >> $GITHUB_ENV
+      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
+        if: false # missing nodejs on host
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.artifact_name }}
+          path: 'upx*/build/*/upx'
diff --git a/misc/make/Makefile-extra.mk b/misc/make/Makefile-extra.mk
index 27bfbb3e..a7f0b6d2 100644
--- a/misc/make/Makefile-extra.mk
+++ b/misc/make/Makefile-extra.mk
@@ -221,7 +221,7 @@ ifneq ($(CXX),)
 UPX_XTARGET := $(UPX_XTARGET)
 build/xtarget/$(UPX_XTARGET)/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/xtarget/$(UPX_XTARGET)/release: PHONY; $(call run_config_and_build,$@,Release)
-build/xtarget/$(UPX_XTARGET)/%: export CC := $(CC)
+build/xtarget/$(UPX_XTARGET)/%: export CC  := $(CC)
 build/xtarget/$(UPX_XTARGET)/%: export CXX := $(CXX)
 # shortcuts
 xtarget/all:     xtarget/debug xtarget/release