5 files changed, 5 insertions, 5 deletions
diff --git a/libc/Makefile.inc b/libc/Makefile.inc
index 66ce4ab..13f8034 100644
--- a/libc/Makefile.inc
+++ b/libc/Makefile.inc
@@ -1,7 +1,7 @@
 LIBCDIR = libc
 
 SUBDIRS += $(LIBCDIR)
-LIBC = $(LIBCDIR)/built-in.o $(LIBCDIR)/time.o
+LIBC = $(LIBCDIR)/built-in.a $(LIBCDIR)/time.o
 
 include $(SRC)/$(LIBCDIR)/string/Makefile.inc
 include $(SRC)/$(LIBCDIR)/ctype/Makefile.inc
diff --git a/libc/ctype/Makefile.inc b/libc/ctype/Makefile.inc
index da78c98..c183a54 100644
--- a/libc/ctype/Makefile.inc
+++ b/libc/ctype/Makefile.inc
@@ -14,6 +14,6 @@ SUBDIRS += $(LIBCDIR)/ctype
 
 CTYPE_OBJS = isdigit.o isprint.o isspace.o isxdigit.o tolower.o toupper.o
 
-CTYPE = $(LIBCDIR)/ctype/built-in.o
+CTYPE = $(LIBCDIR)/ctype/built-in.a
 $(CTYPE): $(CTYPE_OBJS:%=$(LIBCDIR)/ctype/%)
 
diff --git a/libc/stdio/Makefile.inc b/libc/stdio/Makefile.inc
index d2aee0f..a5436d7 100644
--- a/libc/stdio/Makefile.inc
+++ b/libc/stdio/Makefile.inc
@@ -17,5 +17,5 @@ STDIO_OBJS = vfprintf.o vsnprintf.o fprintf.o \
 	     setvbuf.o fputc.o puts.o fputs.o putchar.o \
 	     stdchnls.o fileno.o snprintf.o
 
-STDIO = $(LIBCDIR)/stdio/built-in.o
+STDIO = $(LIBCDIR)/stdio/built-in.a
 $(STDIO): $(STDIO_OBJS:%=$(LIBCDIR)/stdio/%)
diff --git a/libc/stdlib/Makefile.inc b/libc/stdlib/Makefile.inc
index 22417df..8a78d17 100644
--- a/libc/stdlib/Makefile.inc
+++ b/libc/stdlib/Makefile.inc
@@ -15,6 +15,6 @@ SUBDIRS += $(LIBCDIR)/stdlib
 STDLIB_OBJS = error.o atoi.o atol.o strtol.o strtoul.o \
 	      rand.o labs.o
 
-STDLIB = $(LIBCDIR)/stdlib/built-in.o
+STDLIB = $(LIBCDIR)/stdlib/built-in.a
 $(STDLIB): $(STDLIB_OBJS:%=$(LIBCDIR)/stdlib/%)
 
diff --git a/libc/string/Makefile.inc b/libc/string/Makefile.inc
index fb2f037..122f5da 100644
--- a/libc/string/Makefile.inc
+++ b/libc/string/Makefile.inc
@@ -16,6 +16,6 @@ STRING_OBJS = strcat.o strchr.o strcmp.o strcpy.o strlen.o \
 	      strncmp.o strncpy.o strstr.o memset.o memcpy.o memcpy_from_ci.o \
 	      memmove.o memchr.o memcmp.o strcasecmp.o strncasecmp.o \
 	      strtok.o strdup.o
-STRING = $(LIBCDIR)/string/built-in.o
+STRING = $(LIBCDIR)/string/built-in.a
 $(STRING): $(STRING_OBJS:%=$(LIBCDIR)/string/%)