1# $NetBSD: Makefile,v 1.102 2011/01/16 02:36:05 matt Exp $ 2# 3# NOTE: when changing ld.so, ensure that ldd still compiles. 4# 5 6WARNS?=4 7 8# This needs to be before bsd.init.mk 9.if defined(BSD_MK_COMPAT_FILE) 10.include <${BSD_MK_COMPAT_FILE}> 11.endif 12 13# We are not building this with PIE 14PIE_CFLAGS= 15PIE_LDFLAGS= 16.include <bsd.init.mk> # for MKPIC definition 17.include <bsd.shlib.mk> # for SHLINKINSTALLDIR definition 18 19.if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \ 20 exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU}) 21ARCHSUBDIR= ${LDELFSO_MACHINE_CPU} 22.else 23ARCHSUBDIR= ${MACHINE_CPU} 24.endif 25M= ${.CURDIR}/arch/${ARCHSUBDIR} 26 27.if ((${MACHINE_ARCH} == "alpha") || \ 28 (${MACHINE_CPU} == "arm") || \ 29 (${MACHINE_ARCH} == "hppa") || \ 30 (${MACHINE_ARCH} == "i386") || \ 31 (${MACHINE_ARCH} == "m68k") || \ 32 (${MACHINE_CPU} == "mips") || \ 33 (${MACHINE_ARCH} == "powerpc") || \ 34 (${MACHINE_CPU} == "sh3") || \ 35 (${MACHINE_ARCH} == "sparc") || \ 36 (${MACHINE_ARCH} == "sparc64") || \ 37 (${MACHINE_ARCH} == "x86_64") || \ 38 (${MACHINE_ARCH} == "vax")) && \ 39 ${MKPIC} != "no" 40 41LDFLAGS+= -shared -symbolic -nostartfiles 42LDFLAGS+= -Wl,-static 43LDFLAGS+= -Wl,--warn-shared-textrel 44 45CFLAGS+= -fvisibility=hidden 46 47# Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 48# is first. 49.if exists($M/Makefile.inc) 50.include "$M/Makefile.inc" 51.endif 52 53# Support compat ld.elf_so. 54.if defined(MLIBDIR) 55PROG= ld.elf_so-${MLIBDIR} 56CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 57.else 58PROG= ld.elf_so 59.endif 60 61CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 62 63SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \ 64 map_object.c load.c search.c headers.c paths.c expand.c 65 66.if ${USE_FORT} == "yes" 67.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 68SRCS+= stack_protector.c 69.endif 70 71.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 72SRCS+= exit.c 73 74errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 75 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 76 mv -f ${.TARGET}.tmp ${.TARGET} 77 78xprintf.c: errlist_concat.h 79 80CLEANFILES+= errlist_concat.h 81 82BINDIR= ${SHLINKINSTALLDIR} 83 84CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 85CPPFLAGS+= -I${.CURDIR} -I. 86CPPFLAGS+= -DRTLD_LOADER 87CPPFLAGS+= -D_RTLD_SOURCE 88CPPFLAGS+= -DCOMBRELOC 89#CPPFLAGS+= -DDEBUG 90#CPPFLAGS+= -DRTLD_DEBUG 91#CPPFLAGS+= -DRTLD_DEBUG_RELOC 92#DBG= -g 93DBG= -O3 -fomit-frame-pointer 94 95.if ${SHLIBDIR} != ${LIBDIR} 96CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 97.endif 98 99# rtld.c and symbol.c use alloca, so disable SSP warnings. 100COPTS.rtld.c+= -Wno-stack-protector 101COPTS.symbol.c+=-Wno-stack-protector 102 103LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 104.if ${MKPICLIB} != "no" 105LDADD+= -lc_pic 106.if ${MKPICINSTALL} != "no" 107DPADD+= ${LIBC_PIC} 108.endif 109DPADD+= ${CLIBOBJ}/libc_pic.a 110.else 111LDADD+= -lc 112DPADD+= ${CLIBOBJ}/libc.a 113.endif 114 115STRIPFLAG= 116 117.PATH: $M 118 119${PROG}: ${OBJS} ${DPADD} 120 ${_MKMSG_LINK} ${PROG} 121 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 122 123.if ${SHLINKINSTALLDIR} != "/usr/libexec" 124SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 125.endif 126 127.include <bsd.prog.mk> 128.else 129 130MAN= ld.elf_so.1 131 132.include <bsd.man.mk> 133.endif 134