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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)
TOOLS = print_status_on_exit.so exec
ALLOCS = chattymalloc.so bumpptr_alloc.so
TARGETS = $(addprefix $(OBJDIR)/allocators/,$(ALLOCS)) $(addprefix $(OBJDIR)/,$(TOOLS))
.PHONY: all clean
all: $(TARGETS)
$(OBJDIR)/allocators/bumpptr_alloc.so: bumpptr_alloc.c Makefile
@if test \( ! \( -d $(@D) \) \) ;then mkdir -p $(@D);fi
$(CC) $(LDFLAGS) -shared -DMEMSIZE=$(MEMSIZE) $(CFLAGS) -o $@ $<
$(OBJDIR)/allocators/chattymalloc.so: chattymalloc.c Makefile
@if test \( ! \( -d $(@D) \) \) ;then mkdir -p $(@D);fi
$(CC) $(LDFLAGS) -shared $(CFLAGS) -o $@ $< -ldl
$(OBJDIR)/print_status_on_exit.so: print_status_on_exit.c Makefile
@if test \( ! \( -d $(@D) \) \) ;then mkdir -p $(@D);fi
$(CC) $(LDFLAGS) -shared $(CFLAGS) -o $@ $<
$(OBJDIR)/exec: exec.c Makefile
@if test \( ! \( -d $(@D) \) \) ;then mkdir -p $(@D);fi
$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $<
clean:
rm -rf $(OBJDIR)
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