Index: src/libcfa/Makefile.am
===================================================================
--- src/libcfa/Makefile.am	(revision 0db817e9f6fdb599de91f4aad1da183d0221f776)
+++ src/libcfa/Makefile.am	(revision 86f852bbdff57943d457ec5d43641a6f9deaddd4)
@@ -31,8 +31,8 @@
 
 libcfa_a-libcfa-prelude.o : libcfa-prelude.c
-	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -O2 -c -o $@ $<
+	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -Wall -O2 -c -o $@ $<
 
 libcfa_d_a-libcfa-prelude.o : libcfa-prelude.c
-	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -D__CFA_DEBUG__ -O0 -c -o $@ $<
+	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -D__CFA_DEBUG__ -Wall -O0 -c -o $@ $<
 
 EXTRA_FLAGS = -g -Wall -Wno-unused-function -imacros libcfa-prelude.c @CFA_FLAGS@
Index: src/libcfa/Makefile.in
===================================================================
--- src/libcfa/Makefile.in	(revision 0db817e9f6fdb599de91f4aad1da183d0221f776)
+++ src/libcfa/Makefile.in	(revision 86f852bbdff57943d457ec5d43641a6f9deaddd4)
@@ -1498,8 +1498,8 @@
 
 libcfa_a-libcfa-prelude.o : libcfa-prelude.c
-	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -O2 -c -o $@ $<
+	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -Wall -O2 -c -o $@ $<
 
 libcfa_d_a-libcfa-prelude.o : libcfa-prelude.c
-	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -D__CFA_DEBUG__ -O0 -c -o $@ $<
+	 ${AM_V_GEN}@BACKEND_CC@ @CFA_FLAGS@ -D__CFA_DEBUG__ -Wall -O0 -c -o $@ $<
 
 # extensionless header files are overridden by -o flag in default makerule => explicitly override default rule to silently do nothing