Fix large file support. fixes #1

Tested in Ubuntu 13.10 on x86_64, Arch on i686, and Mac OS X 10.9 on x86_64.

NOTE: Though this should work in most cases, it doesn't appear to be the POSIX/SUS-compliant way. We should probably just use autotools or cmake.

Makefile

@@ -1,10 +1,12 @@
 # Makefile for symlinks
-CC=gcc
+CC     := gcc
+CFLAGS += $(shell getconf LFS_CFLAGS 2>/dev/null)
 OWNER   = root
 GROUP   = root
 MANDIR  = /usr/man/man8/symlinks.8
 BINDIR  = /usr/local/bin
 
+.PHONY: all
 all: symlinks
 
 symlinks: symlinks.c
@@ -14,5 +16,6 @@ install: all symlinks.8
 	$(INSTALL) -c -o $(OWNER) -g $(GROUP) -m 755 symlinks $(BINDIR)
 	$(INSTALL) -c -o $(OWNER) -g $(GROUP) -m 644 symlinks.8 $(MANDIR)
 
+.PHONY: clean
 clean:
 	rm -f symlinks *.o core