Rename makefiles BUILD.mk

This way they appear at the top of directory listings.

libc/stdio/BUILD.mk

@@ -0,0 +1,78 @@
+#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
+#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
+
+PKGS += LIBC_STDIO
+
+LIBC_STDIO_ARTIFACTS += LIBC_STDIO_A
+LIBC_STDIO = $(LIBC_STDIO_A_DEPS) $(LIBC_STDIO_A)
+LIBC_STDIO_A = o/$(MODE)/libc/stdio/stdio.a
+LIBC_STDIO_A_FILES := $(wildcard libc/stdio/*)
+LIBC_STDIO_A_HDRS = $(filter %.h,$(LIBC_STDIO_A_FILES))
+LIBC_STDIO_A_INCS = $(filter %.inc,$(LIBC_STDIO_A_FILES))
+LIBC_STDIO_A_SRCS_S = $(filter %.S,$(LIBC_STDIO_A_FILES))
+LIBC_STDIO_A_SRCS_C = $(filter %.c,$(LIBC_STDIO_A_FILES))
+
+LIBC_STDIO_A_SRCS =					\
+	$(LIBC_STDIO_A_SRCS_S)				\
+	$(LIBC_STDIO_A_SRCS_C)
+
+LIBC_STDIO_A_OBJS =					\
+	$(LIBC_STDIO_A_SRCS_S:%.S=o/$(MODE)/%.o)	\
+	$(LIBC_STDIO_A_SRCS_C:%.c=o/$(MODE)/%.o)
+
+LIBC_STDIO_A_CHECKS =					\
+	$(LIBC_STDIO_A).pkg				\
+	$(LIBC_STDIO_A_HDRS:%=o/$(MODE)/%.ok)
+
+LIBC_STDIO_A_DIRECTDEPS =				\
+	LIBC_CALLS					\
+	LIBC_FMT					\
+	LIBC_INTRIN					\
+	LIBC_MEM					\
+	LIBC_NEXGEN32E					\
+	LIBC_NT_ADVAPI32				\
+	LIBC_NT_KERNEL32				\
+	LIBC_RUNTIME					\
+	LIBC_PROC					\
+	LIBC_STR					\
+	LIBC_SYSV					\
+	LIBC_SYSV_CALLS					\
+	THIRD_PARTY_GDTOA
+
+LIBC_STDIO_A_DEPS :=					\
+	$(call uniq,$(foreach x,$(LIBC_STDIO_A_DIRECTDEPS),$($(x))))
+
+$(LIBC_STDIO_A):libc/stdio/				\
+		$(LIBC_STDIO_A).pkg			\
+		$(LIBC_STDIO_A_OBJS)
+
+$(LIBC_STDIO_A).pkg:					\
+		$(LIBC_STDIO_A_OBJS)			\
+		$(foreach x,$(LIBC_STDIO_A_DIRECTDEPS),$($(x)_A).pkg)
+
+# offer assurances about the stack safety of cosmo libc
+$(LIBC_STDIO_A_OBJS): private COPTS += -Wframe-larger-than=4096 -Walloca-larger-than=4096
+
+o/$(MODE)/libc/stdio/fputc.o: private			\
+		CFLAGS +=				\
+			-O3
+
+o//libc/stdio/appendw.o: private			\
+		CFLAGS +=				\
+			-Os
+
+o/$(MODE)/libc/stdio/dirstream.o			\
+o/$(MODE)/libc/stdio/mt19937.o: private			\
+		CFLAGS +=				\
+			-ffunction-sections
+
+LIBC_STDIO_LIBS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)))
+LIBC_STDIO_SRCS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)_SRCS))
+LIBC_STDIO_HDRS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)_HDRS))
+LIBC_STDIO_INCS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)_INCS))
+LIBC_STDIO_CHECKS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)_CHECKS))
+LIBC_STDIO_OBJS = $(foreach x,$(LIBC_STDIO_ARTIFACTS),$($(x)_OBJS))
+$(LIBC_STDIO_OBJS): $(BUILD_FILES) libc/stdio/BUILD.mk
+
+.PHONY: o/$(MODE)/libc/stdio
+o/$(MODE)/libc/stdio: $(LIBC_STDIO_CHECKS)