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TMPFILE = $(shell mktemp /tmp/gcc_ok.XXXXXX)
gcc_ok = $(shell tmpf=$(TMPFILE); if $(CC) $(1) ../dummy.c -o $$tmpf 2>/dev/null; \
then echo '$(1)'; else echo '$(2)'; fi; rm -f $$tmpf)
comma := ,
LDHASH := $(call gcc_ok,-Wl$(comma)--hash-style=both,)
CC = gcc
OPTFLAGS = -g -Os
INCLUDES = -I. -I.. -I../libfat -I../libinstaller
CFLAGS = -W -Wall -D_FILE_OFFSET_BITS=64 $(OPTFLAGS) $(INCLUDES)
LDFLAGS = $(LDHASH) -s
SRCS = syslinux.c ../syslxmod.c ../bootsect_bin.c ../ldlinux_bin.c $(wildcard ../libfat/*.c)
OBJS = $(patsubst %.c,%.o,$(notdir $(SRCS)))
.SUFFIXES: .c .o .i .s .S
VPATH = .:..:../libfat:../libinstaller
all: installer
tidy:
-rm -f *.o *.i *.s *.a .*.d
clean: tidy
-rm -f syslinux
spotless: clean
-rm -f *~
installer: syslinux
syslinux: $(OBJS)
$(CC) $(LDFLAGS) -o $@ $^
%.o: %.c
$(CC) -Wp,-MT,$@,-MMD,.$@.d $(CFLAGS) -c -o $@ $<
%.i: %.c
$(CC) $(CFLAGS) -E -o $@ $<
%.s: %.c
$(CC) $(CFLAGS) -S -o $@ $<
-include .*.d
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