diff --git a/src/apps/bin/compress/Jamfile b/src/apps/bin/compress/Jamfile
index e07dcd5432..d25cf39ff4 100644
--- a/src/apps/bin/compress/Jamfile
+++ b/src/apps/bin/compress/Jamfile
@@ -1,6 +1,6 @@
 SubDir OBOS_TOP src apps bin compress ;
 
-SubDirCcFlags -DSACREDMEM=256000 -D_FPOS_T -DUSERMEM=2097152 -DBEOS=1 ;
+SubDirCcFlags -DSACREDMEM=256000 -D_FPOS_T -DUSERMEM=2097152 -DBEOS=1 -w ;
 
 BinCommand compress : 
 	compress.c
diff --git a/src/apps/bin/patch/Jamfile b/src/apps/bin/patch/Jamfile
index e2793ef9a1..aa022a4f77 100644
--- a/src/apps/bin/patch/Jamfile
+++ b/src/apps/bin/patch/Jamfile
@@ -1,6 +1,6 @@
 SubDir OBOS_TOP src apps bin patch ;
 
-SubDirCcFlags -DHAVE_CONFIG_H -Ded_PROGRAM='\"ed\"' ;
+SubDirCcFlags -DHAVE_CONFIG_H -Ded_PROGRAM='\"ed\"' -w ;
 
 BinCommand patch :
 	addext.c
diff --git a/src/apps/bin/rcs/Jamfile b/src/apps/bin/rcs/Jamfile
index 35ae9418b4..41d59c03e0 100644
--- a/src/apps/bin/rcs/Jamfile
+++ b/src/apps/bin/rcs/Jamfile
@@ -1,7 +1,8 @@
 SubDir OBOS_TOP src apps bin rcs ;
 
-local rcs_rsrc = [ FGristFiles rcs.rsrc ] ;
+SubDirCcFlags -w ;
 
+local rcs_rsrc = [ FGristFiles rcs.rsrc ] ;
 ResComp $(rcs_rsrc) : [ FGristFiles rcs.rdef ] ;
 
 StaticLibrary rcs : 
diff --git a/src/apps/bin/sed-4.0.9/sed/Jamfile b/src/apps/bin/sed-4.0.9/sed/Jamfile
index 8cc32ccc74..a48262ceb2 100644
--- a/src/apps/bin/sed-4.0.9/sed/Jamfile
+++ b/src/apps/bin/sed-4.0.9/sed/Jamfile
@@ -1,6 +1,6 @@
 SubDir OBOS_TOP src apps bin sed-4.0.9 sed ;
 
-SubDirCcFlags -I ../lib -DHAVE_CONFIG_H  -DLOCALEDIR=\'\"/share/locale\"\' ;
+SubDirCcFlags -I ../lib -DHAVE_CONFIG_H  -DLOCALEDIR=\'\"/share/locale\"\' -w ;
 SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) lib ] ;
 SubDirHdrs [ FDirName $(SUBDIR) $(DOTDOT) ] ;