1# $NetBSD: Makefile,v 1.127 2014/08/10 05:57:31 matt Exp $ 2# 3# NOTE: when changing ld.so, ensure that ldd still compiles. 4# 5 6WARNS?=4 7 8LDELFSO_MACHINE_ARCH?= ${MACHINE_ARCH} 9 10# This needs to be before bsd.init.mk 11.if defined(BSD_MK_COMPAT_FILE) 12.include <${BSD_MK_COMPAT_FILE}> 13.endif 14 15# We are not building this with PIE 16PIE_CFLAGS= 17PIE_LDFLAGS= 18.include <bsd.init.mk> # for MKPIC definition 19.include <bsd.shlib.mk> # for SHLINKINSTALLDIR definition 20 21.if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \ 22 exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU}) 23ARCHSUBDIR= ${LDELFSO_MACHINE_CPU} 24.else 25ARCHSUBDIR= ${MACHINE_CPU} 26.endif 27M= ${.CURDIR}/arch/${ARCHSUBDIR} 28 29.if ((${MACHINE_CPU} == "aarch64") || \ 30 (${LDELFSO_MACHINE_ARCH} == "alpha") || \ 31 (${MACHINE_CPU} == "arm") || \ 32 (${LDELFSO_MACHINE_ARCH} == "coldfire") || \ 33 (${LDELFSO_MACHINE_ARCH} == "hppa") || \ 34 (${LDELFSO_MACHINE_ARCH} == "i386") || \ 35 (${LDELFSO_MACHINE_ARCH} == "m68k") || \ 36 (${MACHINE_CPU} == "mips") || \ 37 (${MACHINE_CPU} == "powerpc") || \ 38 (${MACHINE_CPU} == "sh3") || \ 39 (${LDELFSO_MACHINE_ARCH} == "sparc") || \ 40 (${LDELFSO_MACHINE_ARCH} == "sparc64") || \ 41 (${LDELFSO_MACHINE_ARCH} == "x86_64") || \ 42 (${LDELFSO_MACHINE_ARCH} == "vax")) && \ 43 ${MKPIC} != "no" 44 45LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \ 46 -shared -nostartfiles -nodefaultlibs 47LDFLAGS+= -Wl,-static 48LDFLAGS+= -Wl,--warn-shared-textrel 49LDFLAGS+= -Wl,-Map=${.TARGET}.map 50 51COPTS+= -fvisibility=hidden 52 53# Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 54# is first. 55.if exists($M/Makefile.inc) 56.include "$M/Makefile.inc" 57.endif 58 59# Support compat ld.elf_so. 60.if defined(MLIBDIR) 61PROG= ld.elf_so-${MLIBDIR} 62CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 63.else 64PROG= ld.elf_so 65.endif 66 67CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 68 69SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \ 70 map_object.c load.c search.c headers.c paths.c expand.c \ 71 tls.c symver.c diagassert.c 72 73.if ${USE_FORT} == "yes" 74.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 75SRCS+= stack_protector.c 76.endif 77 78.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 79SRCS+= exit.c 80 81errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 82 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 83 mv -f ${.TARGET}.tmp ${.TARGET} 84 85xprintf.c: errlist_concat.h 86 87CLEANFILES+= errlist_concat.h ${PROG}.map 88 89BINDIR= ${SHLINKINSTALLDIR} 90 91CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 92CPPFLAGS+= -I${.CURDIR} -I. 93CPPFLAGS+= -DRTLD_LOADER 94CPPFLAGS+= -D_RTLD_SOURCE 95CPPFLAGS+= -DCOMBRELOC 96#CPPFLAGS+= -DDEBUG 97#CPPFLAGS+= -DRTLD_DEBUG 98#CPPFLAGS+= -DRTLD_DEBUG_RELOC 99.if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 100CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 101.endif 102#DBG= -g 103COPTS+= -O3 104 105.if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 106COPTS+= -fomit-frame-pointer 107.endif 108 109.if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 110COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 111.endif 112 113 114.if ${SHLIBDIR} != ${LIBDIR} 115CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 116.endif 117 118# rtld.c and symbol.c use alloca, so disable SSP warnings. 119COPTS.rtld.c+= -Wno-stack-protector 120COPTS.symbol.c+=-Wno-stack-protector 121 122LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 123.if ${MKPICLIB} != "no" 124LDADD+= -lc_pic 125.if ${MKPICINSTALL} != "no" 126DPADD+= ${LIBC_PIC} 127.endif 128DPADD+= ${CLIBOBJ}/libc_pic.a 129.else 130LDADD+= -lc 131DPADD+= ${CLIBOBJ}/libc.a 132.endif 133 134.if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 135# for $$divU, $$remU etc. (millicode) 136LDADD+= -lgcc 137DPADD+= ${LIBGCC} 138.endif 139 140STRIPFLAG= 141 142.PATH: $M 143 144 145${PROG}: ${OBJS} ${DPADD} 146 ${_MKMSG_LINK} ${PROG} 147 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 148.if ${MKDEBUG} != "no" 149 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 150 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 151 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 152 ) || (rm -f ${.TARGET}.debug; false) 153 154_PROGDEBUG.${PROG} := ${PROG}.debug 155.endif 156 157 158.if ${SHLINKINSTALLDIR} != "/usr/libexec" 159SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 160.if ${MKDEBUG} != "no" 161SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 162 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 163.endif 164.endif 165 166.include <bsd.prog.mk> 167.else 168 169MAN= ld.elf_so.1 170 171.include <bsd.man.mk> 172.endif 173