diff --git a/bin/cfe/gnu.mk b/bin/cfe/gnu.mk
index 9397b1d..106f75a 100644
--- cfe.orig/bin/cfe/gnu.mk
+++ cfe/bin/cfe/gnu.mk
@@ -12,4 +12,4 @@ $(cfebits)/c99.lex.o: cflags += $(c99lexfix)
 .SECONDARY: $(addprefix, $(cfebits)/,c99.tab.h c99.tab.c c99.lex.c)
 
 $(call o2d,$(cfeobj)): cflags += -I $(cferootnode)/lib
-include $(call o2d,$(cfeobj))
+-include $(call o2d,$(cfeobj))
diff --git a/lib/ds/gnu.mk b/lib/ds/gnu.mk
index 1869b71..8ba637f 100644
--- cfe.orig/lib/ds/gnu.mk
+++ cfe/lib/ds/gnu.mk
@@ -11,4 +11,4 @@ $(dsbits)/trie.o: cflags += -Wno-char-subscripts
 
 $(L)/libds.a: $(dsobj)
 
-include $(call o2d,$(dsobj))
+-include $(call o2d,$(dsobj))
diff --git a/bin/drv/gnu.mk b/bin/drv/gnu.mk
index ba686e5..78aee93 100644
--- drv.orig/bin/drv/gnu.mk
+++ drv/bin/drv/gnu.mk
@@ -5,9 +5,9 @@ drvobj = $(call c2o,$(drvbits),$(drvsrc))
 
 .PHONY: drv
 drv: $(B)/mcc
-cflags += -D_XOPEN_SOURCE=700
+cflags += -D_XOPEN_SOURCE=500
 
 $(B)/mcc: $(drvbits)/main.o 
 $(B)/mcc: $(drvbits)/util.o
 
-include $(call o2d,$(drvobj))
+-include $(call o2d,$(drvobj))
diff --git a/bin/drv/main.c b/bin/drv/main.c
index b4b5de0..2a85797 100644
--- drv.orig/bin/drv/main.c
+++ drv/bin/drv/main.c
@@ -525,8 +525,8 @@ int ccf(FPList *f,void * opt)
     int pid[10];
     int st[10]; 
     int pipepp[2],pipefe[2],pipelk[2];
-    int in,out;
-    char *tname;
+    int in = -1,out = -1;
+    char *tname = NULL;
     
     if (f->flag == OFILE)
     {
@@ -550,9 +550,9 @@ int ccf(FPList *f,void * opt)
         
         tmpfiles = appendchar(tname,tmpfiles,TMPFILE);
 
-        pipe(pipepp);
-        pipe(pipefe);
-        pipe(pipelk);
+        if (pipe(pipepp) == -1);
+        if (pipe(pipefe) == -1);
+        if (pipe(pipelk) == -1);
     }
 
    
diff --git a/bin/drv/util.c b/bin/drv/util.c
index 893c916..c4815b5 100644
--- drv.orig/bin/drv/util.c
+++ drv/bin/drv/util.c
@@ -11,6 +11,7 @@
 
 extern int endcompil;                        
 extern int infiletype;     
+extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW __wur;
 
 char *helptext[]=
     {
diff --git a/bin/gen/gnu.mk b/bin/gen/gnu.mk
index 7e33e9d..dead9db 100644
--- gen.orig/bin/gen/gnu.mk
+++ gen/bin/gen/gnu.mk
@@ -12,4 +12,4 @@ $(B)/exa-gen: $(genbits)/example.o $(PLIME)/lib/liblime.a $(PLCC)/lib/liblcc.a
 $(B)/mc-lime-gen: $(genbits)/main.o $(PLIME)/lib/liblime.a $(PLCC)/lib/liblcc.a
 
 $(call o2d,$(genobj)): cflags += -I $(ILIME) -I $(ILCC)
-include $(call o2d,$(genobj))
+-include $(call o2d,$(genobj))
diff --git a/lib/lcc/c.h b/lib/lcc/c.h
index 51a427a..73b0fa1 100644
--- lcc.orig/lib/lcc/c.h
+++ lcc/lib/lcc/c.h
@@ -151,12 +151,15 @@ void (*stabsym)  (LSymbol);
 void (*stabtype) (LSymbol);
 	Xinterface x;
 } Interface;
+
+#if 0 /* Unused */
 typedef struct binding {
 	char *name;
 	Interface *ir;
 } Binding;
 
 extern Binding bindings[];
+#endif
 extern Interface *IR;
 typedef struct {
 	LList blockentry;
diff --git a/lib/lcc/gnu.mk b/lib/lcc/gnu.mk
index af0efdf..a5d5886 100644
--- lcc.orig/lib/lcc/gnu.mk
+++ lcc/lib/lcc/gnu.mk
@@ -44,4 +44,4 @@ $(lccbits)/mcp.o: cflags += -Wno-char-subscripts
 
 $(eval $(call headroute,lcc,$(lccnode)))
 
-include $(call o2d,$(lccobj))
+-include $(call o2d,$(lccobj))
diff --git a/lib/lime/gnu.mk b/lib/lime/gnu.mk
index 42ca3f5..3395793 100644
--- lime.orig/lib/lime/gnu.mk
+++ lime/lib/lime/gnu.mk
@@ -1,5 +1,5 @@
 lmbits := $(call bitspath)
-# lmnode := $(call nodepath)
+lmnode := $(call nodepath)
 
 lmsrc = \
 	rune.c		\
@@ -22,20 +22,20 @@ lmsrc = \
 
 
 lminc = \
-	$(I)/lime/construct.h	\
-	$(I)/lime/util.h	\
-	$(I)/lime/heap.h
+	construct.h	\
+	util.h	\
+	heap.h
+
+$(eval $(call headroute,lime,$(lmnode)))
 
 lmobj = $(call c2o,$(lmbits),$(lmsrc))
 
 .PHONY: lmlib
-lmlib: $(L)/liblime.a $(lminc)
+lmlib: $(L)/liblime.a $(addprefix $(I)/lime/,$(lminc))
 
 $(L)/liblime.a: $(lmobj)
 
 # $(lmbits)/list.o: cflags += -D_XOPEN_SOURCE=700 $(strictfix)
-$(lmbits)/util.o: cflags += -D_XOPEN_SOURCE=700 $(strictfix)
-
-# $(eval $(call headroute,lime,$(lmnode)))
+$(lmbits)/util.o: cflags += -D_XOPEN_SOURCE=500 $(strictfix)
 
-include $(call o2d,$(lmobj))
+-include $(call o2d,$(lmobj))
diff --git a/lib/lime/loaddag.c b/lib/lime/loaddag.c
index 07508bd..9d2d061 100644
--- lime.orig/lib/lime/loaddag.c
+++ lime/lib/lime/loaddag.c
@@ -87,10 +87,12 @@ static LoadCurrent node(const LoadContext *const, List *const, List *const);
 static LoadCurrent ce(
 	const LoadContext *const, List *const, List *const, List *const);
 
+#ifndef isascii
 static unsigned isascii(const int c)
 {
 	return (c & 0x7f) == c;
 }
+#endif
 
 static unsigned isfirstid(const int c)
 {
diff --git a/lib/lime/util.c b/lib/lime/util.c
index ac5ce61..ad95cd3 100644
--- lime.orig/lib/lime/util.c
+++ lime/lib/lime/util.c
@@ -11,6 +11,8 @@
 
 #define DBGFLAGS 0
 
+extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW __wur;
+
 unsigned middle(const unsigned a, const unsigned b) {
 	return a + (b - a) / 2;
 }
diff --git a/tst/gnu.mk b/tst/gnu.mk
index 95830b1..8dc0837 100644
--- lime.orig/tst/gnu.mk
+++ lime/tst/gnu.mk
@@ -51,4 +51,4 @@ $(T)/tst-forkdag: $(lmtstbits)/tst-forkdag.o $(lmlib)
 $(T)/tst-evallists: $(lmtstbits)/tst-evallists.o $(lmlib)
 
 $(call o2d,$(tstobj)): cflags += -I $(lmrootnode)/lib
-include $(call o2d,$(tstobj))
+-include $(call o2d,$(tstobj))
diff --git a/gnu/tcn/arch-gcc.mk b/gnu/tcn/arch-gcc.mk
index 7270664..07ec477 100644
--- mkenv.orig/gnu/tcn/arch-gcc.mk
+++ mkenv/gnu/tcn/arch-gcc.mk
@@ -1,4 +1,4 @@
-echo = echo -e
+echo = /bin/echo -e
 
 cc = gcc -Wall -Werror -pedantic -c -pipe
 cflags =