Makefile revision 1.121
1# $NetBSD: Makefile,v 1.121 2013/07/18 21:58:13 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 ((${LDELFSO_MACHINE_ARCH} == "alpha") || \ 30 (${MACHINE_CPU} == "arm") || \ 31 (${LDELFSO_MACHINE_ARCH} == "coldfire") || \ 32 (${LDELFSO_MACHINE_ARCH} == "hppa") || \ 33 (${LDELFSO_MACHINE_ARCH} == "i386") || \ 34 (${LDELFSO_MACHINE_ARCH} == "m68k") || \ 35 (${MACHINE_CPU} == "mips") || \ 36 (${LDELFSO_MACHINE_ARCH} == "powerpc") || \ 37 (${MACHINE_CPU} == "sh3") || \ 38 (${LDELFSO_MACHINE_ARCH} == "sparc") || \ 39 (${LDELFSO_MACHINE_ARCH} == "sparc64") || \ 40 (${LDELFSO_MACHINE_ARCH} == "x86_64") || \ 41 (${LDELFSO_MACHINE_ARCH} == "vax")) && \ 42 ${MKPIC} != "no" 43 44LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \ 45 -shared -nostartfiles -nodefaultlibs 46LDFLAGS+= -Wl,-static 47LDFLAGS+= -Wl,--warn-shared-textrel 48 49COPTS+= -fvisibility=hidden 50 51# Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 52# is first. 53.if exists($M/Makefile.inc) 54.include "$M/Makefile.inc" 55.endif 56 57# Support compat ld.elf_so. 58.if defined(MLIBDIR) 59PROG= ld.elf_so-${MLIBDIR} 60CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 61.else 62PROG= ld.elf_so 63.endif 64 65CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 66 67SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \ 68 map_object.c load.c search.c headers.c paths.c expand.c \ 69 tls.c symver.c diagassert.c 70 71.if ${USE_FORT} == "yes" 72.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 73SRCS+= stack_protector.c 74.endif 75 76.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 77SRCS+= exit.c 78 79errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 80 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 81 mv -f ${.TARGET}.tmp ${.TARGET} 82 83xprintf.c: errlist_concat.h 84 85CLEANFILES+= errlist_concat.h 86 87BINDIR= ${SHLINKINSTALLDIR} 88 89CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 90CPPFLAGS+= -I${.CURDIR} -I. 91CPPFLAGS+= -DRTLD_LOADER 92CPPFLAGS+= -D_RTLD_SOURCE 93CPPFLAGS+= -DCOMBRELOC 94#CPPFLAGS+= -DDEBUG 95#CPPFLAGS+= -DRTLD_DEBUG 96#CPPFLAGS+= -DRTLD_DEBUG_RELOC 97.if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 98CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 99.endif 100#DBG= -g 101COPTS+= -O3 -fomit-frame-pointer 102 103.if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 104COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 105.endif 106 107 108.if ${SHLIBDIR} != ${LIBDIR} 109CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 110.endif 111 112# rtld.c and symbol.c use alloca, so disable SSP warnings. 113COPTS.rtld.c+= -Wno-stack-protector 114COPTS.symbol.c+=-Wno-stack-protector 115 116LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 117.if ${MKPICLIB} != "no" 118LDADD+= -lc_pic 119.if ${MKPICINSTALL} != "no" 120DPADD+= ${LIBC_PIC} 121.endif 122DPADD+= ${CLIBOBJ}/libc_pic.a 123.else 124LDADD+= -lc 125DPADD+= ${CLIBOBJ}/libc.a 126.endif 127 128.if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 129# for $$divU, $$remU etc. (millicode) 130LDADD+= -lgcc 131DPADD+= ${LIBGCC} 132.endif 133 134STRIPFLAG= 135 136.PATH: $M 137 138 139${PROG}: ${OBJS} ${DPADD} 140 ${_MKMSG_LINK} ${PROG} 141 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 142.if ${MKDEBUG} != "no" 143 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 144 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 145 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 146 ) || (rm -f ${.TARGET}.debug; false) 147 148_PROGDEBUG.${PROG} := ${PROG}.debug 149.endif 150 151 152.if ${SHLINKINSTALLDIR} != "/usr/libexec" 153SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 154.if ${MKDEBUG} != "no" 155SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 156 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 157.endif 158.endif 159 160.include <bsd.prog.mk> 161.else 162 163MAN= ld.elf_so.1 164 165.include <bsd.man.mk> 166.endif 167