The maths library is pure.

lang/cem/libcc.ansi/build.lua

@@ -38,11 +38,11 @@ for _, plat in ipairs(vars.plats) do
 			"./pure/locale/*.c",
 			"./pure/setjmp/*.c",
 			"./pure/setjmp/*.e",
+			"./pure/math/*.c", -- hypot.c
+			"./pure/math/*.e",
 			"./ctype/*.c",
 			"./errno/*.c",
 			"./malloc/*.c",
-			"./math/*.c", -- hypot.c
-			"./math/*.e",
 			"./misc/environ.c", -- don't build everything here as it's all obsolete
 			"./signal/*.c",
 			"./assert/*.c",
@@ -56,7 +56,7 @@ for _, plat in ipairs(vars.plats) do
 			"lang/cem/libcc.ansi/headers+pkg",
 			"plat/"..plat.."/include+pkg",
 			"./malloc/malloc.h",
-			"./math/localmath.h",
+			"./pure/math/localmath.h",
 			"./stdio/loc_incl.h",
 			"./stdlib/ext_fmt.h",
 			"./time/loc_time.h",

lang/cem/libcc.ansi/math/LIST

@@ -1,22 +0,0 @@
-localmath.h
-asin.c
-atan2.c
-atan.c
-ceil.c
-fabs.c
-pow.c
-log10.c
-log.c
-sin.c
-sinh.c
-sqrt.c
-tan.c
-tanh.c
-exp.c
-ldexp.c
-fmod.c
-floor.c
-hugeval.c
-frexp.e
-modf.e
-isnan.c

lang/cem/libcc.ansi/math/Makefile

@@ -1,4 +0,0 @@
-clean:
-	rm -f asin.o atan2.o atan.o ceil.o fabs.o pow.o log10.o \
-		log.o sin.o sinh.o sqrt.o tan.o tanh.o exp.o ldexp.o \
-		fmod.o floor.o hugeval.o frexp.o modf.o isnan.o OLIST