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OBJDIR ?= obj
CC ?= gcc
WARNFLAGS ?= -Wall -Wextra
COMMONFLAGS ?= -fno-builtin -fPIC -DPIC -pthread
OPTFLAGS ?= -O0 -g
CFLAGS ?= $(OPTFLAGS) $(WARNFLAGS) $(COMMONFLAGS)
LDFLAGS ?= -pthread -static-libgcc
MEMSIZE_KB=$(shell free -t | tail -1 | tr -s ' ' | cut -d ' ' -f 2)
MEMSIZE=$(shell echo $(MEMSIZE_KB)"* 1024" | bc)
.PHONY: all clean
all: $(OBJDIR)/print_status_on_exit.so $(OBJDIR)/allocators/bumpptr_alloc.so $(OBJDIR)/run
$(OBJDIR)/allocators/bumpptr_alloc.so: bumpptr_alloc.c Makefile | $(OBJDIR)/allocators
@echo "Compiling $@...";
$(CC) $(LDFLAGS) -shared -DMEMSIZE=$(MEMSIZE) $(CFLAGS) -o $@ $<
# $(CC) $(LDFLAGS) -shared $(CFLAGS) -o $@ $<
$(OBJDIR)/print_status_on_exit.so: print_status_on_exit.c Makefile | $(OBJDIR)
@echo "Compiling $@...";
$(CC) $(LDFLAGS) -shared $(CFLAGS) -o $@ $<
$(OBJDIR)/run: run.c Makefile | $(OBJDIR)
@echo "Compiling $@...";
$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $<
$(OBJDIR)/allocators:
mkdir -p $@
$(OBJDIR):
mkdir $@
clean:
rm -rf $(OBJDIR)
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