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89 lines
2.1 KiB
Makefile
89 lines
2.1 KiB
Makefile
# $FreeBSD$
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# Use the following command to build local debug version of dynamic
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# linker:
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# make DEBUG_FLAGS=-g DEBUG=-DDEBUG MK_TESTS=no all
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.include <src.opts.mk>
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MK_SSP= no
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PROG?= ld-elf.so.1
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SRCS= rtld_start.S \
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reloc.c rtld.c rtld_lock.c rtld_printf.c map_object.c \
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malloc.c xmalloc.c debug.c libmap.c
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MAN= rtld.1
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CSTD?= gnu99
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TOPSRCDIR= ${.CURDIR}/../..
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CFLAGS+= -Wall -DFREEBSD_ELF -DIN_RTLD
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CFLAGS+= -I${TOPSRCDIR}/lib/csu/common
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.if exists(${.CURDIR}/${MACHINE_ARCH})
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RTLD_ARCH= ${MACHINE_ARCH}
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.else
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RTLD_ARCH= ${MACHINE_CPUARCH}
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.endif
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CFLAGS+= -I${.CURDIR}/${RTLD_ARCH} -I${.CURDIR}
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.if ${MACHINE_ARCH} == "powerpc64"
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CFLAGS+= -mcall-aixdesc
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LDFLAGS+= -nostdlib -e _rtld_start
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.else
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LDFLAGS+= -nostdlib -e .rtld_start
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.endif
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WARNS?= 2
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INSTALLFLAGS= -C -b
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PRECIOUSPROG=
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BINDIR= /libexec
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SYMLINKS= ${BINDIR}/${PROG} /usr/libexec/${PROG}
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MLINKS= rtld.1 ld-elf.so.1.1 \
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rtld.1 ld.so.1
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.if ${MACHINE_CPUARCH} == "sparc64"
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CFLAGS+= -fPIC
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.else
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CFLAGS+= -fpic
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.endif
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CFLAGS+= -DPIC $(DEBUG)
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LDFLAGS+= -shared -Wl,-Bsymbolic
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LIBADD= c_pic
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.if ${MACHINE_CPUARCH} == "arm"
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# Some of the required math functions (div & mod) are implemented in
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# libcompiler_rt on ARM. The library also needs to be placed first to be
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# correctly linked. As some of the functions are used before we have
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# shared libraries.
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LIBADD+= compiler_rt
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.endif
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.if ${MK_SYMVER} == "yes"
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LIBCDIR= ${TOPSRCDIR}/lib/libc
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VERSION_DEF= ${LIBCDIR}/Versions.def
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SYMBOL_MAPS= ${.CURDIR}/Symbol.map
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VERSION_MAP= Version.map
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LDFLAGS+= -Wl,--version-script=${VERSION_MAP}
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${PROG}: ${VERSION_MAP}
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.if exists(${.CURDIR}/${RTLD_ARCH}/Symbol.map)
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SYMBOL_MAPS+= ${.CURDIR}/${RTLD_ARCH}/Symbol.map
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.endif
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.endif
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.sinclude "${.CURDIR}/${RTLD_ARCH}/Makefile.inc"
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# Since moving rtld-elf to /libexec, we need to create a symlink.
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# Fixup the existing binary that's there so we can symlink over it.
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beforeinstall:
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.if exists(${DESTDIR}/usr/libexec/${PROG})
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-chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
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.endif
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.PATH: ${.CURDIR}/${RTLD_ARCH}
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.if ${MK_TESTS} != "no"
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SUBDIR+= tests
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.endif
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.include <bsd.symver.mk>
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.include <bsd.prog.mk>
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