diff --git a/lang/cem/libcc.ansi/build.lua b/lang/cem/libcc.ansi/build.lua
index 4c89867af..18b2a44d6 100644
--- a/lang/cem/libcc.ansi/build.lua
+++ b/lang/cem/libcc.ansi/build.lua
@@ -33,6 +33,7 @@ for _, plat in ipairs(vars.plats) do
 		srcs = {
 			"+ctype_files",
 			"+ctype_tab",
+			"./core/errno/*.c",
 			"./core/string/*.c",
 			"./core/stdlib/*.c",
 			"./core/locale/*.c",
diff --git a/lang/cem/libcc.ansi/errno/errlist.c b/lang/cem/libcc.ansi/core/errno/errlist.c
similarity index 100%
rename from lang/cem/libcc.ansi/errno/errlist.c
rename to lang/cem/libcc.ansi/core/errno/errlist.c
diff --git a/lang/cem/libcc.ansi/errno/strerror.c b/lang/cem/libcc.ansi/core/errno/strerror.c
similarity index 100%
rename from lang/cem/libcc.ansi/errno/strerror.c
rename to lang/cem/libcc.ansi/core/errno/strerror.c
diff --git a/lang/cem/libcc.ansi/errno/LIST b/lang/cem/libcc.ansi/errno/LIST
deleted file mode 100644
index fd69e9793..000000000
--- a/lang/cem/libcc.ansi/errno/LIST
+++ /dev/null
@@ -1 +0,0 @@
-errlist.c
diff --git a/lang/cem/libcc.ansi/errno/Makefile b/lang/cem/libcc.ansi/errno/Makefile
deleted file mode 100644
index 39d27b10e..000000000
--- a/lang/cem/libcc.ansi/errno/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-clean:
-	rm -f errlist.o OLIST