diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bad58e522..bf0952e86 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -356,6 +356,9 @@ jobs:
     defaults:
       run:
         shell: C:\cygwin\bin\bash.exe --login --norc -eo pipefail -o igncr '{0}'
+    env:
+      CYGWIN_NOWINPATH: 1
+      CHERE_INVOKING: 1
     steps:
       - name: Set up Cygwin
         uses: cygwin/cygwin-install-action@master
@@ -365,27 +368,13 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: build
-
-        # Plain `make` fails here with this error:
-        #   No rule to make target '/cygdrive/d/a/quickjs-ng/quickjs-ng/cutils.c',
-        #   needed by 'CMakeFiles/qjs.dir/cutils.c.o'. Stop.
-        #
-        # For some reason, making the build directory then `make`ing in there
-        # fixes it.
-        run: |
-          cd $GITHUB_WORKSPACE
-          make build/CMakeCache.txt
-          make --directory build
+        run: make
 
       - name: stats
-        run: |
-          cd $GITHUB_WORKSPACE
-          make --debug stats
+        run: make stats
 
       - name: test
-        run: |
-          cd $GITHUB_WORKSPACE
-          make --debug test
+        run: make test
 
   openbsd:
     runs-on: ubuntu-latest
diff --git a/Makefile b/Makefile
index 92192e517..d2d2354dc 100644
--- a/Makefile
+++ b/Makefile
@@ -32,15 +32,15 @@ QJS=$(BUILD_DIR)/qjs
 RUN262=$(BUILD_DIR)/run-test262
 
 
-all: build
+all: $(QJS)
 
-build: $(BUILD_DIR)/CMakeCache.txt
-	cmake --build $(BUILD_DIR) -j $(JOBS)
-
-$(BUILD_DIR)/CMakeCache.txt:
+$(BUILD_DIR):
 	cmake -B $(BUILD_DIR) -DCMAKE_BUILD_TYPE=$(BUILD_TYPE)
 
-install: build
+$(QJS): $(BUILD_DIR)
+	cmake --build $(BUILD_DIR) -j $(JOBS)
+
+install: $(QJS)
 	cmake --build $(BUILD_DIR) --target install
 
 clean:
@@ -52,10 +52,10 @@ debug:
 distclean:
 	@rm -rf $(BUILD_DIR)
 
-stats: build
+stats: $(QJS)
 	$(QJS) -qd
 
-test: build
+test: $(QJS)
 	$(QJS) tests/test_bigint.js
 	$(QJS) tests/test_closure.js
 	$(QJS) tests/test_language.js
@@ -65,19 +65,19 @@ test: build
 	$(QJS) tests/test_worker.js
 	$(QJS) tests/test_queue_microtask.js
 
-test262: build
+test262: $(QJS)
 	$(RUN262) -m -c test262.conf -a
 
-test262-update: build
+test262-update: $(QJS)
 	$(RUN262) -u -c test262.conf -a
 
-test262-check: build
+test262-check: $(QJS)
 	$(RUN262) -m -c test262.conf -E -a
 
-microbench: build
+microbench: $(QJS)
 	$(QJS) tests/microbench.js
 
-unicode_gen: $(BUILD_DIR)/CMakeCache.txt
+unicode_gen: $(BUILD_DIR)
 	cmake --build $(BUILD_DIR) --target unicode_gen
 
 libunicode-table.h: unicode_gen