Index: tests/OFArray/Makefile
==================================================================
--- tests/OFArray/Makefile
+++ tests/OFArray/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFAutoreleasePool/Makefile
==================================================================
--- tests/OFAutoreleasePool/Makefile
+++ tests/OFAutoreleasePool/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFDataArray/Makefile
==================================================================
--- tests/OFDataArray/Makefile
+++ tests/OFDataArray/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFDictionary/Makefile
==================================================================
--- tests/OFDictionary/Makefile
+++ tests/OFDictionary/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFHashes/Makefile
==================================================================
--- tests/OFHashes/Makefile
+++ tests/OFHashes/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFList/Makefile
==================================================================
--- tests/OFList/Makefile
+++ tests/OFList/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFObject/Makefile
==================================================================
--- tests/OFObject/Makefile
+++ tests/OFObject/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFPlugin/Makefile
==================================================================
--- tests/OFPlugin/Makefile
+++ tests/OFPlugin/Makefile
@@ -14,12 +14,14 @@
 all: run
 run: subdirs ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFString/Makefile
==================================================================
--- tests/OFString/Makefile
+++ tests/OFString/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFTCPSocket/Makefile
==================================================================
--- tests/OFTCPSocket/Makefile
+++ tests/OFTCPSocket/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFThread/Makefile
==================================================================
--- tests/OFThread/Makefile
+++ tests/OFThread/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT

Index: tests/OFXMLFactory/Makefile
==================================================================
--- tests/OFXMLFactory/Makefile
+++ tests/OFXMLFactory/Makefile
@@ -12,12 +12,14 @@
 all: run
 run: ${PROG_NOINST}
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib
 	ln -s ../../src/libobjfw.so libobjfw.so.0
 	ln -s ../../src/libobjfw.so libobjfw.so.0.1
-	ln ../../src/libobjfw.dll libobjfw.dll
+	if test -f ../../src/libobjfw.dll; then \
+		ln ../../src/libobjfw.dll libobjfw.dll; \
+	fi
 	ln -s ../../src/libobjfw.dylib libobjfw.dylib
 	LD_LIBRARY_PATH=.$${LD_LIBRARY_PATH+:}$$LD_LIBRARY_PATH \
 	DYLD_LIBRARY_PATH=.$${DYLD_LIBRARY_PATH+:}$$DYLD_LIBRARY_PATH \
 	${TEST_LAUNCHER} ./${PROG_NOINST}; EXIT=$$?; \
 	rm -f libobjfw.so.0 libobjfw.so.0.1 libobjfw.dll libobjfw.dylib; \
 	exit $$EXIT