diff --git a/src/apps/bin/gzip/Jamfile b/src/apps/bin/gzip/Jamfile
index 7ce3d8ac17..c3adfae7dd 100644
--- a/src/apps/bin/gzip/Jamfile
+++ b/src/apps/bin/gzip/Jamfile
@@ -1,5 +1,7 @@
 SubDir OBOS_TOP src apps bin gzip ;
 
+SubDirCcFlags -w ;
+
 BinCommand gzip :
 	gzip.c
 	zip.c
diff --git a/src/libs/termcap/Jamfile b/src/libs/termcap/Jamfile
index eaaf008387..e0c81aa6ef 100644
--- a/src/libs/termcap/Jamfile
+++ b/src/libs/termcap/Jamfile
@@ -2,7 +2,7 @@ SubDir OBOS_TOP src libs termcap ;
 
 # set some additional defines
 {
-	SubDirCcFlags -DHAVE_STRING_H=1 -DHAVE_UNISTD_H=1 -DSTDC_HEADERS=1  -DTERMCAP_FILE=\'\"/etc/termcap\"\' ;
+	SubDirCcFlags -DHAVE_STRING_H=1 -DHAVE_UNISTD_H=1 -DSTDC_HEADERS=1  -DTERMCAP_FILE=\'\"/etc/termcap\"\' -w ;
 }
 
 StaticLibrary termcap :