DO NOT EAT ERRORS AND CONTINUE
--- a/Makefile.in
+++ b/Makefile.in
@@ -4,12 +4,16 @@
 srcdir=@srcdir@
 VPATH=@srcdir@
 
-subdirs=libmsg wily
+SUBDIRS=libmsg wily
+.PHONY: $(TOPTARGETS) $(SUBDIRS)
+
+wily: libmsg
 
-all install clean nuke distclean::
-	for i in $(subdirs); do \
-		(cd $$i; $(MAKE) $(MFLAGS) $@); \
-	done
+TOPTARGETS=all install clean nuke distclean
+
+$(TOPTARGETS):: $(SUBDIRS)
+$(SUBDIRS):
+	$(MAKE) -C $@ $(MAKECMDGOALS)
 
 nuke distclean::
 	rm -f wily.* config.cache config.h config.log config.status Makefile
bug https://bugs.gentoo.org/729238
Do not call ar directly
--- a/configure.in
+++ b/configure.in
@@ -95,6 +95,7 @@
 AC_PROG_MAKE_SET
 AM_PROG_CC_STDC
 AC_PROG_RANLIB
+AC_PROG_AR
 
 dnl Checks for libraries.
 AC_PATH_XTRA
--- a/libmsg/Makefile.in
+++ b/libmsg/Makefile.in
@@ -7,7 +7,7 @@
 
 CC=@CC@
 CFLAGS=@CFLAGS@ -I.. -I$(INCLUDES) @NINE_CFLAGS@
-AR=ar
+AR=@AR@
 RANLIB=@RANLIB@
 INCLUDES=$(top_srcdir)/include
 
C23 porting for GCC-15
--- a/include/msg.h
+++ b/include/msg.h
@@ -3,7 +3,11 @@
 
 typedef struct Msg Msg;
 typedef int Id;		/* Window identifier */
+#if __STDC_VERSION__ <= 201710L
 typedef enum Bool {false, true} Bool;
+#else
+typedef bool Bool;
+#endif
 typedef struct Range Range;
 
 /* name of environment variable */
--- a/wily/wily.h
+++ b/wily/wily.h
@@ -9,6 +9,7 @@
 #include <libc.h>
 #include <libg.h>
 #include <frame.h>
+#include <stdarg.h>
 #include "config.h"
 #include <msg.h>
 
--- a/wily/include.c
+++ b/wily/include.c
@@ -27,11 +27,11 @@
 	expanded = text_expand(t, r, notinclude);
 	len = RLEN(expanded);
 	if( len > (MAXPATH*UTFmax) || len < 2)
-		return false;
+		return NULL;
 	len = text_copyutf(t, expanded, buf);
 	
 	if (!is_includebrackets(buf[0], buf[len-1]))
-		return false;
+		return NULL;
 	
 	buf[len-1] = 0;
 	s = pathfind(getenv("INCLUDES"),  buf+1);
--- a/wily/wily.c
+++ b/wily/wily.c
@@ -4,6 +4,8 @@
 
 #include "wily.h"
 #include "tile.h"
+
+extern void initfont(char *fixed); /* from font.c */
  
 static int	ncolumns = 2;
 int	tagheight;