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Makefile revision 1.90 
      1 #	$NetBSD: Makefile,v 1.90 2009/05/20 19:38:38 ad Exp $
      2 #
      3 # NOTE: when changing ld.so, ensure that ldd still compiles.
      4 #
      5 
      6 WARNS?=4
      7 
      8 # We are not building this with PIE
      9 PIE_CFLAGS=
     10 PIE_LDFLAGS=
     11 .include <bsd.init.mk>			# for OBJECT_FMT definition
     12 .include <bsd.shlib.mk>			# for SHLINKINSTALLDIR definition
     13 
     14 .if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \
     15     exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU})
     16 ARCHSUBDIR=	${LDELFSO_MACHINE_CPU}
     17 .else
     18 ARCHSUBDIR=	${MACHINE_CPU}
     19 .endif
     20 M=		${.CURDIR}/arch/${ARCHSUBDIR}
     21 
     22 .if ((${MACHINE_ARCH} == "alpha") ||					\
     23      (${MACHINE_CPU} == "arm") ||					\
     24      (${MACHINE_ARCH} == "hppa") ||					\
     25      (${MACHINE_ARCH} == "i386") ||					\
     26      (${MACHINE_ARCH} == "m68k") ||					\
     27      (${MACHINE_CPU} == "mips") ||					\
     28      (${MACHINE_ARCH} == "powerpc") ||					\
     29      (${MACHINE_CPU} == "sh3") ||					\
     30      (${MACHINE_ARCH} == "sparc") ||					\
     31      (${MACHINE_ARCH} == "sparc64") ||					\
     32      (${MACHINE_ARCH} == "x86_64") ||					\
     33      (${MACHINE_ARCH} == "vax")) &&					\
     34     ${OBJECT_FMT} == "ELF" && ${MKPIC} != "no"
     35 
     36 PROG?=		ld.elf_so
     37 
     38 LDFLAGS+=	-shared -symbolic -nostartfiles
     39 LDFLAGS+=	-Wl,-static
     40 
     41 # Adds SRCS, CPPFLAGS, LDFLAGS, etc.  Must go first so MD startup source
     42 # is first.
     43 .if exists($M/Makefile.inc)
     44 .include "$M/Makefile.inc"
     45 .endif
     46 
     47 # Support src/compat/libexec/ld.elf_so.
     48 .if defined(LD32DIR)
     49 CLIBOBJ!=	cd ${NETBSDSRCDIR}/compat/lib/libc && ${PRINTOBJDIR}
     50 .else
     51 CLIBOBJ!=	cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR}
     52 .endif
     53 
     54 SRCS+=		rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \
     55 		map_object.c load.c search.c headers.c paths.c expand.c
     56 
     57 .if ${USE_FORT} == "yes"
     58 .PATH.c: ${NETBSDSRCDIR}/lib/libc/misc
     59 SRCS+=		stack_protector.c
     60 .endif
     61 
     62 .PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib
     63 SRCS+=		exit.c
     64 
     65 BINDIR=		${SHLINKINSTALLDIR}
     66 
     67 CPPFLAGS+=	-DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\"
     68 CPPFLAGS+=	-I${.CURDIR}
     69 CPPFLAGS+=	-DRTLD_LOADER
     70 CPPFLAGS+=	-D_RTLD_SOURCE
     71 CPPFLAGS+=	-DCOMBRELOC
     72 #CPPFLAGS+=	-DDEBUG
     73 #CPPFLAGS+=	-DRTLD_DEBUG
     74 #CPPFLAGS+=	-DRTLD_DEBUG_RELOC
     75 #DBG=		-g
     76 DBG=		-O3 -fomit-frame-pointer
     77 
     78 .if ${SHLIBDIR} != ${LIBDIR}
     79 CPPFLAGS+=	-DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\"
     80 .endif
     81 
     82 LDADD+=		-L${CLIBOBJ} -L${DESTDIR}${LIBDIR}
     83 .if ${MKPICLIB} != "no"
     84 LDADD+=		-lc_pic
     85 .if ${MKPICINSTALL} != "no"
     86 DPADD+=		${LIBC_PIC}
     87 .endif
     88 DPADD+=		${CLIBOBJ}/libc_pic.a
     89 .else
     90 LDADD+=		-lc
     91 DPADD+=		${CLIBOBJ}/libc.a
     92 .endif
     93 
     94 STRIPFLAG=
     95 
     96 .PATH: $M
     97 
     98 ${PROG}: ${OBJS} ${DPADD}
     99 	${_MKMSG_LINK} ${PROG}
    100 	${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD}
    101 
    102 .if ${SHLINKINSTALLDIR} != "/usr/libexec"
    103 SYMLINKS+=	${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG}
    104 .endif
    105 
    106 .include <bsd.prog.mk>
    107 .else
    108 
    109 MAN=		ld.elf_so.1
    110 
    111 .include <bsd.man.mk>
    112 .endif
    113