1 files changed, 104 insertions, 0 deletions
diff --git a/libc/Makefile b/libc/Makefile
new file mode 100644
index 0000000..6942b48
--- /dev/null
+++ b/libc/Makefile
@@ -0,0 +1,104 @@
+SHELL := /bin/bash -o pipefail
+
+AS      := $(DEVKITARM)/bin/arm-none-eabi-as
+ASFLAGS := -mcpu=arm7tdmi
+
+CC1    := ../old_agbcc
+CFLAGS := -O2 -fno-builtin
+
+CPP      := $(DEVKITARM)/bin/arm-none-eabi-cpp
+CPPFLAGS := -I ../ginclude -I include -nostdinc -undef \
+-DABORT_PROVIDED -DHAVE_GETTIMEOFDAY -D__thumb__ -DARM_RDI_MONITOR \
+-D__STDC__ -D__GNUC__ -DINTERNAL_NEWLIB -D__USER_LABEL_PREFIX__=
+
+AR := ar
+
+# Clear the default suffixes.
+.SUFFIXES:
+
+# Secondary expansion is required for dependency variables in object rules.
+.SECONDEXPANSION:
+
+.PHONY: all clean
+
+C_SRCS := $(shell find -iname "*.c" -a ! -iname "mallocr.c")
+C_INTRS := $(C_SRCS:%.c=%.i)
+C_OBJS := $(C_SRCS:%.c=%.o) \
+stdlib/mallocr.o stdlib/freer.o stdlib/reallocr.o stdlib/callocr.o \
+stdlib/cfreer.o stdlib/malignr.o stdlib/vallocr.o stdlib/pvallocr.o \
+stdlib/mallinfor.o stdlib/mallstatsr.o stdlib/msizer.o stdlib/malloptr.o \
+stdio/vfiprintf.o
+
+S_SRCS := arm/setjmp.S arm/trap.S
+S_OBJS := $(S_SRCS:%.S=%.o)
+
+OBJS := $(C_OBJS) $(S_OBJS)
+
+all: libc.a
+	@:
+
+clean:
+	rm -f $(OBJS)
+	rm -f $(C_OBJS:%.o=%.i)
+	rm -f $(C_OBJS:%.o=%.s)
+	rm -f $(S_OBJS:%.o=%.i)
+	rm -f libc.a
+
+PREPROCESS := $(CPP) $(CPPFLAGS)
+
+stdlib/mallocr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_MALLOC $< -o $@
+
+stdlib/freer.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_FREE $< -o $@
+
+stdlib/reallocr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_REALLOC $< -o $@
+
+stdlib/callocr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_CALLOC $< -o $@
+
+stdlib/cfreer.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_CFREE $< -o $@
+
+stdlib/malignr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_MEMALIGN $< -o $@
+
+stdlib/vallocr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_VALLOC $< -o $@
+
+stdlib/pvallocr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_PVALLOC $< -o $@
+
+stdlib/mallinfor.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_MALLINFO $< -o $@
+
+stdlib/mallstatsr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_MALLOC_STATS $< -o $@
+
+stdlib/msizer.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_MALLOC_USABLE_SIZE $< -o $@
+
+stdlib/malloptr.i: stdlib/mallocr.c
+	$(PREPROCESS) -DDEFINE_MALLOPT $< -o $@
+
+stdio/vfiprintf.i: stdio/vfprintf.c
+	$(PREPROCESS) -DINTEGER_ONLY $< -o $@
+
+$(C_INTRS): %.i : %.c
+	$(PREPROCESS) $< -o $@
+
+stdlib/mbtowc_r.o: CFLAGS := $(CFLAGS) -fshort-enums
+
+$(C_OBJS): %.o : %.i
+	@$(CC1) $(CFLAGS) $< -o $*.s
+	@printf ".text\n\t.align\t2, 0\n" >> $*.s
+	$(AS) $(ASFLAGS) -o $@ $*.s
+
+$(S_OBJS): %.o: %.s
+	@$(CPP) $(CPPFLAGS) $< -o $*.i
+	@printf ".text\n\t.align\t2, 0\n" >> $*.i
+	$(AS) $(ASFLAGS) -o $@ $*.i
+
+libc.a: $(OBJS)
+	$(AR) -rc libc.a $(OBJS)