diff -up libica-4.0.1/src/Makefile.am.orig libica-4.0.1/src/Makefile.am
--- libica-4.0.1/src/Makefile.am.orig	2022-03-22 13:13:36.186395805 +0100
+++ libica-4.0.1/src/Makefile.am	2022-03-22 13:13:55.224076905 +0100
@@ -31,13 +31,13 @@ SOURCES_common = ica_api.c init.c icasta
 		    include/rng.h
 
 libica_la_CFLAGS = ${CFLAGS_common} -DLIBNAME=\"libica\"
-libica_la_CCASFLAGS = ${AM_CFLAGS}
+libica_la_CCASFLAGS = ${AM_CFLAGS} -Wa,--generate-missing-build-notes=yes
 libica_la_LIBADD = ${LIBS_common}
 libica_la_LDFLAGS = ${LDFLAGS_common}
 libica_la_SOURCES = ${SOURCES_common}
 
 libica_cex_la_CFLAGS = ${CFLAGS_common} -DNO_CPACF -DLIBNAME=\"libica-cex\"
-libica_cex_la_CCASFLAGS = ${AM_CFLAGS}
+libica_cex_la_CCASFLAGS = ${AM_CFLAGS} -Wa,--generate-missing-build-notes=yes
 libica_cex_la_LIBADD = ${LIBS_common}
 libica_cex_la_LDFLAGS = ${LDFLAGS_common}
 libica_cex_la_SOURCES = ${SOURCES_common}