1# $NetBSD: Makefile,v 1.129 2014/09/19 17:43:33 matt Exp $ 2# 3# NOTE: when changing ld.so, ensure that ldd still compiles. 4# 5#MINIX: 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 ((${MACHINE_CPU} == "aarch64") || \ 32 (${LDELFSO_MACHINE_ARCH} == "alpha") || \ 33 (${MACHINE_CPU} == "arm") || \ 34 (${LDELFSO_MACHINE_ARCH} == "coldfire") || \ 35 (${LDELFSO_MACHINE_ARCH} == "hppa") || \ 36 (${LDELFSO_MACHINE_ARCH} == "i386") || \ 37 (${LDELFSO_MACHINE_ARCH} == "m68k") || \ 38 (${MACHINE_CPU} == "mips") || \ 39 (${MACHINE_CPU} == "or1k") || \ 40 (${MACHINE_CPU} == "powerpc") || \ 41 (${MACHINE_CPU} == "riscv") || \ 42 (${MACHINE_CPU} == "sh3") || \ 43 (${LDELFSO_MACHINE_ARCH} == "sparc") || \ 44 (${LDELFSO_MACHINE_ARCH} == "sparc64") || \ 45 (${LDELFSO_MACHINE_ARCH} == "x86_64") || \ 46 (${LDELFSO_MACHINE_ARCH} == "vax")) && \ 47 ${MKPIC} != "no" 48 49LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \ 50 -shared -nostartfiles -nodefaultlibs 51.if defined(__MINIX) && ${HAVE_GOLD:Uno} == "no" 52LDFLAGS+= -Wl,-static 53.endif 54LDFLAGS+= -Wl,--warn-shared-textrel 55LDFLAGS+= -Wl,-Map=${.TARGET}.map 56 57COPTS+= -fvisibility=hidden 58 59# Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 60# is first. 61.if exists($M/Makefile.inc) 62.include "$M/Makefile.inc" 63.endif 64 65# Support compat ld.elf_so. 66.if defined(MLIBDIR) 67PROG= ld.elf_so-${MLIBDIR} 68CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 69.else 70PROG= ld.elf_so 71.endif 72 73CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 74 75SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \ 76 map_object.c load.c search.c headers.c paths.c expand.c \ 77 tls.c symver.c diagassert.c 78 79.if ${USE_FORT} == "yes" 80.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 81SRCS+= stack_protector.c 82.endif 83 84.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 85SRCS+= exit.c 86 87errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 88 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 89 mv -f ${.TARGET}.tmp ${.TARGET} 90 91xprintf.c: errlist_concat.h 92 93CLEANFILES+= errlist_concat.h ${PROG}.map 94 95BINDIR= ${SHLINKINSTALLDIR} 96 97CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 98CPPFLAGS+= -I${.CURDIR} -I. 99CPPFLAGS+= -DRTLD_LOADER 100CPPFLAGS+= -D_RTLD_SOURCE 101CPPFLAGS+= -DCOMBRELOC 102#CPPFLAGS+= -DDEBUG 103#CPPFLAGS+= -DRTLD_DEBUG 104#CPPFLAGS+= -DRTLD_DEBUG_RELOC 105.if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 106CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 107.endif 108#DBG= -g 109COPTS+= -O3 110 111.if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 112COPTS+= -fomit-frame-pointer 113.endif 114 115.if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 116COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 117.endif 118 119 120.if ${SHLIBDIR} != ${LIBDIR} 121CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 122.endif 123 124# rtld.c and symbol.c use alloca, so disable SSP warnings. 125COPTS.rtld.c+= -Wno-stack-protector 126COPTS.symbol.c+=-Wno-stack-protector 127 128LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 129.if ${MKPICLIB} != "no" 130LDADD+= -lc_pic 131.if ${MKPICINSTALL} != "no" 132DPADD+= ${LIBC_PIC} 133.endif 134DPADD+= ${CLIBOBJ}/libc_pic.a 135.else 136LDADD+= -lc 137DPADD+= ${CLIBOBJ}/libc.a 138.endif 139 140.if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 141# for $$divU, $$remU etc. (millicode) 142LDADD+= -lgcc 143DPADD+= ${LIBGCC} 144.endif 145 146STRIPFLAG= 147 148.PATH: $M 149 150 151${PROG}: ${OBJS} ${DPADD} 152 ${_MKMSG_LINK} ${PROG} 153 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 154.if ${MKDEBUG} != "no" 155 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 156 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 157 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 158 ) || (rm -f ${.TARGET}.debug; false) 159 160_PROGDEBUG.${PROG} := ${PROG}.debug 161.endif 162 163 164.if ${SHLINKINSTALLDIR} != "/usr/libexec" 165SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 166.if ${MKDEBUG} != "no" 167SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 168 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 169.endif 170.endif 171 172.include <bsd.prog.mk> 173.else 174 175MAN= ld.elf_so.1 176 177.include <bsd.man.mk> 178.endif 179