2019-03-12 01:43:01 +00:00
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OS:=$(shell uname)
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# Set ARCH to 32 or x32 for i386/x32 ABIs
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ARCH?=64
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ARCHFLAG=-m$(ARCH)
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2021-03-02 16:22:31 +00:00
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ifeq ($(OS),FreeBSD)
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EXTRA_LIBS=-lprocstat
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endif
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2019-03-12 01:43:01 +00:00
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ifeq ($(OS),Linux)
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PROCESSOR:=$(shell uname -p)
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ifneq ($(wildcard /usr/lib/$(PROCESSOR)-linux-gnu),)
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# Can use standard Debian location for static libraries.
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PLATFORM_LIBDIR=/usr/lib/$(PROCESSOR)-linux-gnu
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else
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# Attempt to determine library location from gcc configuration.
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PLATFORM_LIBDIR=$(shell gcc -v 2>&1 | grep "Configured with:" | sed 's/.*--libdir=\(\/usr\/[^ ]*\).*/\1/g')
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endif
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# Override for explicitly specified ARCHFLAG.
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# Use locally compiled libcaprights in this case, on the
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# assumption that any installed version is 64-bit.
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ifeq ($(ARCHFLAG),-m32)
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PROCESSOR=i386
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PLATFORM_LIBDIR=/usr/lib32
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LIBCAPRIGHTS=./libcaprights.a
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endif
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ifeq ($(ARCHFLAG),-mx32)
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PROCESSOR=x32
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PLATFORM_LIBDIR=/usr/libx32
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LIBCAPRIGHTS=./libcaprights.a
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endif
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# Detect presence of libsctp in normal Debian location
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ifneq ($(wildcard $(PLATFORM_LIBDIR)/libsctp.a),)
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LIBSCTP=-lsctp
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CXXFLAGS=-DHAVE_SCTP
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endif
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ifneq ($(LIBCAPRIGHTS),)
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# Build local libcaprights.a (assuming ./configure
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# has already been done in libcaprights/)
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LOCAL_LIBS=$(LIBCAPRIGHTS)
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LIBCAPRIGHTS_OBJS=libcaprights/capsicum.o libcaprights/linux-bpf-capmode.o libcaprights/procdesc.o libcaprights/signal.o
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LOCAL_CLEAN=$(LOCAL_LIBS) $(LIBCAPRIGHTS_OBJS)
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else
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# Detect installed libcaprights static library.
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ifneq ($(wildcard $(PLATFORM_LIBDIR)/libcaprights.a),)
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LIBCAPRIGHTS=$(PLATFORM_LIBDIR)/libcaprights.a
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else
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ifneq ($(wildcard /usr/lib/libcaprights.a),)
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LIBCAPRIGHTS=/usr/lib/libcaprights.a
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endif
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endif
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endif
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endif
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# Extra test programs for arch-transition tests
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EXTRA_PROGS = mini-me.32 mini-me.64
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ifneq ($(wildcard /usr/include/gnu/stubs-x32.h),)
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EXTRA_PROGS += mini-me.x32
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endif
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# Chain on to the master makefile
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include makefile
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./libcaprights.a: $(LIBCAPRIGHTS_OBJS)
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ar cr $@ $^
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# Small static programs of known architectures
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# These may require additional packages to be installed; for example, for Debian:
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# - libc6-dev-i386 provides 32-bit headers for a 64-bit system
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# - libc6-dev-x32 provides headers for the x32 ABI.
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mini-me.32: mini-me.c
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$(CC) $(CFLAGS) -m32 -static -o $@ $<
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mini-me.x32: mini-me.c
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$(CC) $(CFLAGS) -mx32 -static -o $@ $<
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mini-me.64: mini-me.c
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$(CC) $(CFLAGS) -m64 -static -o $@ $<
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