Index: src/libcfa/Makefile.am
===================================================================
--- src/libcfa/Makefile.am	(revision 7fb69f6ff47e3cf80a48e7d4a2d60484ab537f48)
+++ src/libcfa/Makefile.am	(revision ad486c5b7f3e573aece74c5ee7d3010f39f1fc7f)
@@ -55,5 +55,5 @@
 
 libobjs = ${headers:=.o}
-libsrc = libcfa-prelude.c interpose.c bits/debug.c assert.c exception.c virtual.c heap.c startup.c \
+libsrc = libcfa-prelude.c startup.c interpose.c bits/debug.c assert.c exception.c virtual.c heap.c \
 	${headers:=.c}
 
@@ -64,6 +64,13 @@
 
 # extensionless header files are overridden by -o flag in default makerule => explicitly override default rule to silently do nothing
+# SKULLDUGGERY in order to make sure this isn't called make the rule always fail but also create a rule for headers
 % : %.c
-	@true
+	echo "Dummy rule, should never be called"
+	false
+
+# This rule should always match headers and since it has no prerequisite it will never be called
+$(addprefix $(srcdir)/,$(headers)):
+	echo "Dummy rule, should never be called"
+	false
 
 concurrency/libcfa_a-invoke.o : concurrency/invoke.c
Index: src/libcfa/Makefile.in
===================================================================
--- src/libcfa/Makefile.in	(revision 7fb69f6ff47e3cf80a48e7d4a2d60484ab537f48)
+++ src/libcfa/Makefile.in	(revision ad486c5b7f3e573aece74c5ee7d3010f39f1fc7f)
@@ -148,8 +148,8 @@
 libcfa_d_a_AR = $(AR) $(ARFLAGS)
 libcfa_d_a_LIBADD =
-am__libcfa_d_a_SOURCES_DIST = libcfa-prelude.c interpose.c \
-	bits/debug.c assert.c exception.c virtual.c heap.c startup.c \
-	fstream.c iostream.c iterator.c limits.c rational.c time.c \
-	stdlib.c common.c containers/maybe.c containers/pair.c \
+am__libcfa_d_a_SOURCES_DIST = libcfa-prelude.c startup.c interpose.c \
+	bits/debug.c assert.c exception.c virtual.c heap.c fstream.c \
+	iostream.c iterator.c limits.c rational.c time.c stdlib.c \
+	common.c containers/maybe.c containers/pair.c \
 	containers/result.c containers/vector.c \
 	concurrency/coroutine.c concurrency/thread.c \
@@ -177,14 +177,14 @@
 @BUILD_CONCURRENCY_TRUE@	concurrency/libcfa_d_a-preemption.$(OBJEXT)
 am__objects_4 = libcfa_d_a-libcfa-prelude.$(OBJEXT) \
-	libcfa_d_a-interpose.$(OBJEXT) bits/libcfa_d_a-debug.$(OBJEXT) \
-	libcfa_d_a-assert.$(OBJEXT) libcfa_d_a-exception.$(OBJEXT) \
-	libcfa_d_a-virtual.$(OBJEXT) libcfa_d_a-heap.$(OBJEXT) \
-	libcfa_d_a-startup.$(OBJEXT) $(am__objects_2) $(am__objects_3)
+	libcfa_d_a-startup.$(OBJEXT) libcfa_d_a-interpose.$(OBJEXT) \
+	bits/libcfa_d_a-debug.$(OBJEXT) libcfa_d_a-assert.$(OBJEXT) \
+	libcfa_d_a-exception.$(OBJEXT) libcfa_d_a-virtual.$(OBJEXT) \
+	libcfa_d_a-heap.$(OBJEXT) $(am__objects_2) $(am__objects_3)
 am_libcfa_d_a_OBJECTS = $(am__objects_4)
 libcfa_d_a_OBJECTS = $(am_libcfa_d_a_OBJECTS)
 libcfa_a_AR = $(AR) $(ARFLAGS)
 libcfa_a_LIBADD =
-am__libcfa_a_SOURCES_DIST = libcfa-prelude.c interpose.c bits/debug.c \
-	assert.c exception.c virtual.c heap.c startup.c fstream.c \
+am__libcfa_a_SOURCES_DIST = libcfa-prelude.c startup.c interpose.c \
+	bits/debug.c assert.c exception.c virtual.c heap.c fstream.c \
 	iostream.c iterator.c limits.c rational.c time.c stdlib.c \
 	common.c containers/maybe.c containers/pair.c \
@@ -212,8 +212,8 @@
 @BUILD_CONCURRENCY_TRUE@	concurrency/libcfa_a-preemption.$(OBJEXT)
 am__objects_8 = libcfa_a-libcfa-prelude.$(OBJEXT) \
-	libcfa_a-interpose.$(OBJEXT) bits/libcfa_a-debug.$(OBJEXT) \
-	libcfa_a-assert.$(OBJEXT) libcfa_a-exception.$(OBJEXT) \
-	libcfa_a-virtual.$(OBJEXT) libcfa_a-heap.$(OBJEXT) \
-	libcfa_a-startup.$(OBJEXT) $(am__objects_6) $(am__objects_7)
+	libcfa_a-startup.$(OBJEXT) libcfa_a-interpose.$(OBJEXT) \
+	bits/libcfa_a-debug.$(OBJEXT) libcfa_a-assert.$(OBJEXT) \
+	libcfa_a-exception.$(OBJEXT) libcfa_a-virtual.$(OBJEXT) \
+	libcfa_a-heap.$(OBJEXT) $(am__objects_6) $(am__objects_7)
 am_libcfa_a_OBJECTS = $(am__objects_8)
 libcfa_a_OBJECTS = $(am_libcfa_a_OBJECTS)
@@ -433,7 +433,6 @@
 	containers/vector $(am__append_3)
 libobjs = ${headers:=.o}
-libsrc = libcfa-prelude.c interpose.c bits/debug.c assert.c \
-	exception.c virtual.c heap.c startup.c ${headers:=.c} \
-	$(am__append_4)
+libsrc = libcfa-prelude.c startup.c interpose.c bits/debug.c assert.c \
+	exception.c virtual.c heap.c ${headers:=.c} $(am__append_4)
 libcfa_a_SOURCES = ${libsrc}
 libcfa_a_CFLAGS = -nodebug -O2
@@ -713,4 +712,18 @@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -c -o libcfa_d_a-libcfa-prelude.obj `if test -f 'libcfa-prelude.c'; then $(CYGPATH_W) 'libcfa-prelude.c'; else $(CYGPATH_W) '$(srcdir)/libcfa-prelude.c'; fi`
 
+libcfa_d_a-startup.o: startup.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -MT libcfa_d_a-startup.o -MD -MP -MF $(DEPDIR)/libcfa_d_a-startup.Tpo -c -o libcfa_d_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_d_a-startup.Tpo $(DEPDIR)/libcfa_d_a-startup.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_d_a-startup.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -c -o libcfa_d_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
+
+libcfa_d_a-startup.obj: startup.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -MT libcfa_d_a-startup.obj -MD -MP -MF $(DEPDIR)/libcfa_d_a-startup.Tpo -c -o libcfa_d_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_d_a-startup.Tpo $(DEPDIR)/libcfa_d_a-startup.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_d_a-startup.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -c -o libcfa_d_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
+
 libcfa_d_a-interpose.o: interpose.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -MT libcfa_d_a-interpose.o -MD -MP -MF $(DEPDIR)/libcfa_d_a-interpose.Tpo -c -o libcfa_d_a-interpose.o `test -f 'interpose.c' || echo '$(srcdir)/'`interpose.c
@@ -783,18 +796,4 @@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -c -o libcfa_d_a-heap.obj `if test -f 'heap.c'; then $(CYGPATH_W) 'heap.c'; else $(CYGPATH_W) '$(srcdir)/heap.c'; fi`
 
-libcfa_d_a-startup.o: startup.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -MT libcfa_d_a-startup.o -MD -MP -MF $(DEPDIR)/libcfa_d_a-startup.Tpo -c -o libcfa_d_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_d_a-startup.Tpo $(DEPDIR)/libcfa_d_a-startup.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_d_a-startup.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -c -o libcfa_d_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
-
-libcfa_d_a-startup.obj: startup.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -MT libcfa_d_a-startup.obj -MD -MP -MF $(DEPDIR)/libcfa_d_a-startup.Tpo -c -o libcfa_d_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_d_a-startup.Tpo $(DEPDIR)/libcfa_d_a-startup.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_d_a-startup.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -c -o libcfa_d_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
-
 libcfa_d_a-fstream.o: fstream.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_d_a_CFLAGS) $(CFLAGS) -MT libcfa_d_a-fstream.o -MD -MP -MF $(DEPDIR)/libcfa_d_a-fstream.Tpo -c -o libcfa_d_a-fstream.o `test -f 'fstream.c' || echo '$(srcdir)/'`fstream.c
@@ -1077,4 +1076,18 @@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -c -o libcfa_a-libcfa-prelude.obj `if test -f 'libcfa-prelude.c'; then $(CYGPATH_W) 'libcfa-prelude.c'; else $(CYGPATH_W) '$(srcdir)/libcfa-prelude.c'; fi`
 
+libcfa_a-startup.o: startup.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -MT libcfa_a-startup.o -MD -MP -MF $(DEPDIR)/libcfa_a-startup.Tpo -c -o libcfa_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_a-startup.Tpo $(DEPDIR)/libcfa_a-startup.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_a-startup.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -c -o libcfa_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
+
+libcfa_a-startup.obj: startup.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -MT libcfa_a-startup.obj -MD -MP -MF $(DEPDIR)/libcfa_a-startup.Tpo -c -o libcfa_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_a-startup.Tpo $(DEPDIR)/libcfa_a-startup.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_a-startup.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -c -o libcfa_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
+
 libcfa_a-interpose.o: interpose.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -MT libcfa_a-interpose.o -MD -MP -MF $(DEPDIR)/libcfa_a-interpose.Tpo -c -o libcfa_a-interpose.o `test -f 'interpose.c' || echo '$(srcdir)/'`interpose.c
@@ -1146,18 +1159,4 @@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -c -o libcfa_a-heap.obj `if test -f 'heap.c'; then $(CYGPATH_W) 'heap.c'; else $(CYGPATH_W) '$(srcdir)/heap.c'; fi`
-
-libcfa_a-startup.o: startup.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -MT libcfa_a-startup.o -MD -MP -MF $(DEPDIR)/libcfa_a-startup.Tpo -c -o libcfa_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_a-startup.Tpo $(DEPDIR)/libcfa_a-startup.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_a-startup.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -c -o libcfa_a-startup.o `test -f 'startup.c' || echo '$(srcdir)/'`startup.c
-
-libcfa_a-startup.obj: startup.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -MT libcfa_a-startup.obj -MD -MP -MF $(DEPDIR)/libcfa_a-startup.Tpo -c -o libcfa_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/libcfa_a-startup.Tpo $(DEPDIR)/libcfa_a-startup.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='startup.c' object='libcfa_a-startup.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcfa_a_CFLAGS) $(CFLAGS) -c -o libcfa_a-startup.obj `if test -f 'startup.c'; then $(CYGPATH_W) 'startup.c'; else $(CYGPATH_W) '$(srcdir)/startup.c'; fi`
 
 libcfa_a-fstream.o: fstream.c
@@ -1682,6 +1681,13 @@
 
 # extensionless header files are overridden by -o flag in default makerule => explicitly override default rule to silently do nothing
+# SKULLDUGGERY in order to make sure this isn't called make the rule always fail but also create a rule for headers
 % : %.c
-	@true
+	echo "Dummy rule, should never be called"
+	false
+
+# This rule should always match headers and since it has no prerequisite it will never be called
+$(addprefix $(srcdir)/,$(headers)):
+	echo "Dummy rule, should never be called"
+	false
 
 concurrency/libcfa_a-invoke.o : concurrency/invoke.c
Index: src/libcfa/startup.c
===================================================================
--- src/libcfa/startup.c	(revision 7fb69f6ff47e3cf80a48e7d4a2d60484ab537f48)
+++ src/libcfa/startup.c	(revision ad486c5b7f3e573aece74c5ee7d3010f39f1fc7f)
@@ -39,4 +39,5 @@
 } // extern "C"
 
+struct __spinlock_t;
 void __cfaabi_dbg_record(struct __spinlock_t & this, const char * prev_name) __attribute__(( weak )) {}