Makefile revision 1.118
1# $NetBSD: Makefile,v 1.118 2013/05/06 22:49:10 christos 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 (${LDELFSO_MACHINE_ARCH} == "hppa") || \ 32 (${LDELFSO_MACHINE_ARCH} == "i386") || \ 33 (${LDELFSO_MACHINE_ARCH} == "m68k") || \ 34 (${MACHINE_CPU} == "mips") || \ 35 (${LDELFSO_MACHINE_ARCH} == "powerpc") || \ 36 (${MACHINE_CPU} == "sh3") || \ 37 (${LDELFSO_MACHINE_ARCH} == "sparc") || \ 38 (${LDELFSO_MACHINE_ARCH} == "sparc64") || \ 39 (${LDELFSO_MACHINE_ARCH} == "x86_64") || \ 40 (${LDELFSO_MACHINE_ARCH} == "vax")) && \ 41 ${MKPIC} != "no" 42 43LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \ 44 -shared -nostartfiles -nodefaultlibs 45LDFLAGS+= -Wl,-static 46LDFLAGS+= -Wl,--warn-shared-textrel 47 48COPTS+= -fvisibility=hidden 49 50# Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 51# is first. 52.if exists($M/Makefile.inc) 53.include "$M/Makefile.inc" 54.endif 55 56# Support compat ld.elf_so. 57.if defined(MLIBDIR) 58PROG= ld.elf_so-${MLIBDIR} 59CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 60.else 61PROG= ld.elf_so 62.endif 63 64CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 65 66SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \ 67 map_object.c load.c search.c headers.c paths.c expand.c \ 68 tls.c symver.c diagassert.c 69 70.if ${USE_FORT} == "yes" 71.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 72SRCS+= stack_protector.c 73.endif 74 75.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 76SRCS+= exit.c 77 78errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 79 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 80 mv -f ${.TARGET}.tmp ${.TARGET} 81 82xprintf.c: errlist_concat.h 83 84CLEANFILES+= errlist_concat.h 85 86BINDIR= ${SHLINKINSTALLDIR} 87 88CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 89CPPFLAGS+= -I${.CURDIR} -I. 90CPPFLAGS+= -DRTLD_LOADER 91CPPFLAGS+= -D_RTLD_SOURCE 92CPPFLAGS+= -DCOMBRELOC 93#CPPFLAGS+= -DDEBUG 94#CPPFLAGS+= -DRTLD_DEBUG 95#CPPFLAGS+= -DRTLD_DEBUG_RELOC 96.if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 97CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 98.endif 99#DBG= -g 100COPTS+= -O3 -fomit-frame-pointer 101 102.if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 103COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 104.endif 105 106 107.if ${SHLIBDIR} != ${LIBDIR} 108CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 109.endif 110 111# rtld.c and symbol.c use alloca, so disable SSP warnings. 112COPTS.rtld.c+= -Wno-stack-protector 113COPTS.symbol.c+=-Wno-stack-protector 114 115LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 116.if ${MKPICLIB} != "no" 117LDADD+= -lc_pic 118.if ${MKPICINSTALL} != "no" 119DPADD+= ${LIBC_PIC} 120.endif 121DPADD+= ${CLIBOBJ}/libc_pic.a 122.else 123LDADD+= -lc 124DPADD+= ${CLIBOBJ}/libc.a 125.endif 126 127.if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 128# for $$divU, $$remU etc. (millicode) 129LDADD+= -lgcc 130DPADD+= ${LIBGCC} 131.endif 132 133STRIPFLAG= 134 135.PATH: $M 136 137 138${PROG}: ${OBJS} ${DPADD} 139 ${_MKMSG_LINK} ${PROG} 140 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 141.if ${MKDEBUG} != "no" 142 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 143 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 144 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 145 ) || (rm -f ${.TARGET}.debug; false) 146 147_PROGDEBUG.${PROG} := ${PROG}.debug 148.endif 149 150 151.if ${SHLINKINSTALLDIR} != "/usr/libexec" 152SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 153.endif 154 155.include <bsd.prog.mk> 156.else 157 158MAN= ld.elf_so.1 159 160.include <bsd.man.mk> 161.endif 162