1# $NetBSD: Makefile,v 1.125 2013/11/16 17:14:06 skrll Exp $ 2# 3# NOTE: when changing ld.so, ensure that ldd still compiles. 4# 5 6USE_BITCODE=no 7 8WARNS?=4 9 10LDELFSO_MACHINE_ARCH?= ${MACHINE_ARCH} 11 12# This needs to be before bsd.init.mk 13.if defined(BSD_MK_COMPAT_FILE) 14.include <${BSD_MK_COMPAT_FILE}> 15.endif 16 17# We are not building this with PIE 18PIE_CFLAGS= 19PIE_LDFLAGS= 20.include <bsd.init.mk> # for MKPIC definition 21.include <bsd.shlib.mk> # for SHLINKINSTALLDIR definition 22 23.if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \ 24 exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU}) 25ARCHSUBDIR= ${LDELFSO_MACHINE_CPU} 26.else 27ARCHSUBDIR= ${MACHINE_CPU} 28.endif 29M= ${.CURDIR}/arch/${ARCHSUBDIR} 30 31.if ((${LDELFSO_MACHINE_ARCH} == "alpha") || \ 32 (${MACHINE_CPU} == "arm") || \ 33 (${LDELFSO_MACHINE_ARCH} == "coldfire") || \ 34 (${LDELFSO_MACHINE_ARCH} == "hppa") || \ 35 (${LDELFSO_MACHINE_ARCH} == "i386") || \ 36 (${LDELFSO_MACHINE_ARCH} == "m68k") || \ 37 (${MACHINE_CPU} == "mips") || \ 38 (${LDELFSO_MACHINE_ARCH} == "powerpc") || \ 39 (${MACHINE_CPU} == "sh3") || \ 40 (${LDELFSO_MACHINE_ARCH} == "sparc") || \ 41 (${LDELFSO_MACHINE_ARCH} == "sparc64") || \ 42 (${LDELFSO_MACHINE_ARCH} == "x86_64") || \ 43 (${LDELFSO_MACHINE_ARCH} == "vax")) && \ 44 ${MKPIC} != "no" 45 46LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \ 47 -shared -nostartfiles -nodefaultlibs 48.if defined(__MINIX) && ${HAVE_GOLD:Uno} != "yes" 49LDFLAGS+= -Wl,--script ${LDS_SHARED_LIB} 50.else 51LDFLAGS+= -Wl,-static 52.endif 53LDFLAGS+= -Wl,--warn-shared-textrel 54 55COPTS+= -fvisibility=hidden 56 57# Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 58# is first. 59.if exists($M/Makefile.inc) 60.include "$M/Makefile.inc" 61.endif 62 63# Support compat ld.elf_so. 64.if defined(MLIBDIR) 65PROG= ld.elf_so-${MLIBDIR} 66CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 67.else 68PROG= ld.elf_so 69.endif 70 71CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 72 73SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \ 74 map_object.c load.c search.c headers.c paths.c expand.c \ 75 tls.c symver.c diagassert.c 76 77.if defined(__MINIX) 78SRCS+= map_object_fallback.c 79.endif # defined(__MINIX) 80 81.if ${USE_FORT} == "yes" 82.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 83SRCS+= stack_protector.c 84.endif 85 86.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 87SRCS+= exit.c 88 89errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 90 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 91 mv -f ${.TARGET}.tmp ${.TARGET} 92 93xprintf.c: errlist_concat.h 94 95CLEANFILES+= errlist_concat.h 96 97BINDIR= ${SHLINKINSTALLDIR} 98 99CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 100CPPFLAGS+= -I${.CURDIR} -I. 101CPPFLAGS+= -DRTLD_LOADER 102CPPFLAGS+= -D_RTLD_SOURCE 103CPPFLAGS+= -DCOMBRELOC 104#CPPFLAGS+= -DDEBUG 105#CPPFLAGS+= -DRTLD_DEBUG 106#CPPFLAGS+= -DRTLD_DEBUG_RELOC 107.if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 108CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 109.endif 110#DBG= -g 111COPTS+= -O3 112 113.if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 114COPTS+= -fomit-frame-pointer 115.endif 116 117.if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 118COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 119.endif 120 121 122.if ${SHLIBDIR} != ${LIBDIR} 123CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 124.endif 125 126# rtld.c and symbol.c use alloca, so disable SSP warnings. 127COPTS.rtld.c+= -Wno-stack-protector 128COPTS.symbol.c+=-Wno-stack-protector 129 130LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 131.if ${MKPICLIB} != "no" 132LDADD+= -lc_pic 133.if ${MKPICINSTALL} != "no" 134DPADD+= ${LIBC_PIC} 135.endif 136DPADD+= ${CLIBOBJ}/libc_pic.a 137.else 138LDADD+= -lc 139DPADD+= ${CLIBOBJ}/libc.a 140.endif 141 142.if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 143# for $$divU, $$remU etc. (millicode) 144LDADD+= -lgcc 145DPADD+= ${LIBGCC} 146.endif 147 148STRIPFLAG= 149 150.PATH: $M 151 152 153${PROG}: ${OBJS} ${DPADD} 154 ${_MKMSG_LINK} ${PROG} 155 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 156.if ${MKDEBUG} != "no" 157 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 158 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 159 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 160 ) || (rm -f ${.TARGET}.debug; false) 161 162_PROGDEBUG.${PROG} := ${PROG}.debug 163.endif 164 165 166.if ${SHLINKINSTALLDIR} != "/usr/libexec" 167SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 168.if ${MKDEBUG} != "no" 169SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 170 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 171.endif 172.endif 173 174.include <bsd.prog.mk> 175.else 176 177MAN= ld.elf_so.1 178 179.include <bsd.man.mk> 180.endif 181