Makefile revision 1.143
1 # $NetBSD: Makefile,v 1.143 2020/02/09 09:11:59 kamil Exp $ 2 # 3 # NOTE: when changing ld.so, ensure that ldd still compiles. 4 # 5 NOLIBCSANITIZER=# defined 6 NOSANITIZER= # defined 7 WARNS?=4 8 9 LDELFSO_MACHINE_ARCH?= ${MACHINE_ARCH} 10 11 # This needs to be before bsd.init.mk 12 .if defined(BSD_MK_COMPAT_FILE) 13 .include <${BSD_MK_COMPAT_FILE}> 14 .endif 15 16 # We are not building this with PIE 17 PIE_CFLAGS= 18 PIE_LDFLAGS= 19 .include <bsd.init.mk> # for MKPIC definition 20 .include <bsd.shlib.mk> # for SHLINKINSTALLDIR definition 21 22 .if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \ 23 exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU}) 24 ARCHSUBDIR= ${LDELFSO_MACHINE_CPU} 25 .else 26 ARCHSUBDIR= ${MACHINE_CPU} 27 .endif 28 M= ${.CURDIR}/arch/${ARCHSUBDIR} 29 30 .if ((${MACHINE_CPU} == "aarch64") || \ 31 (${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 (${MACHINE_CPU} == "or1k") || \ 39 (${MACHINE_CPU} == "powerpc") || \ 40 (${MACHINE_CPU} == "riscv") || \ 41 (${MACHINE_CPU} == "sh3") || \ 42 (${LDELFSO_MACHINE_ARCH} == "sparc") || \ 43 (${LDELFSO_MACHINE_ARCH} == "sparc64") || \ 44 (${LDELFSO_MACHINE_ARCH} == "x86_64") || \ 45 (${LDELFSO_MACHINE_ARCH} == "vax")) && \ 46 ${MKPIC} != "no" 47 48 LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \ 49 -shared -nostartfiles -nodefaultlibs 50 LDFLAGS+= -Wl,-static 51 LDFLAGS+= -Wl,--warn-shared-textrel 52 LDFLAGS+= -Wl,-Map=${.TARGET}.map 53 54 COPTS+= -fvisibility=hidden 55 56 # Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 57 # is first. 58 .if exists($M/Makefile.inc) 59 .include "$M/Makefile.inc" 60 .endif 61 62 # Support compat ld.elf_so. 63 .if defined(MLIBDIR) 64 PROG= ld.elf_so-${MLIBDIR} 65 CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 66 . if ${MLIBDIR} == "o32" 67 . endif 68 .else 69 PROG= ld.elf_so 70 .endif 71 72 CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 73 74 SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \ 75 map_object.c load.c search.c headers.c paths.c expand.c \ 76 tls.c symver.c diagassert.c compat.c 77 78 .if ${USE_FORT} == "yes" 79 .PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 80 SRCS+= stack_protector.c 81 .endif 82 83 .PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 84 SRCS+= exit.c 85 86 errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 87 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 88 mv -f ${.TARGET}.tmp ${.TARGET} 89 90 xprintf.c: errlist_concat.h 91 92 CLEANFILES+= errlist_concat.h ${PROG}.map 93 94 BINDIR= ${SHLINKINSTALLDIR} 95 96 CPPFLAGS.tls.c+= -std=gnu11 97 CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 98 CPPFLAGS+= -I${.CURDIR} -I. -D_KERNTYPES 99 CPPFLAGS+= -DRTLD_LOADER 100 CPPFLAGS+= -DGNU_RELRO 101 CPPFLAGS+= -D_RTLD_SOURCE 102 CPPFLAGS+= -DHAVE_INITFINI_ARRAY 103 #CPPFLAGS+= -DDEBUG 104 #CPPFLAGS+= -DRTLD_DEBUG 105 #CPPFLAGS+= -DRTLD_DEBUG_RELOC 106 .if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 107 CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 108 .endif 109 #DBG= -g 110 COPTS+= -O3 111 112 .if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 113 COPTS+= -fomit-frame-pointer 114 .endif 115 116 .if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 117 COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 118 .endif 119 120 121 .if ${SHLIBDIR} != ${LIBDIR} 122 CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 123 .endif 124 125 # rtld.c and symbol.c use alloca, so disable SSP warnings. 126 COPTS.rtld.c+= -Wno-stack-protector 127 COPTS.symbol.c+=-Wno-stack-protector 128 129 .if ${MACHINE_CPU} == "vax" 130 COPTS.rtld.c+= -O0 131 .endif 132 133 LDADD+= -Wl,--version-script=${.CURDIR}/symbols.map 134 LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 135 .if ${MKPICLIB} != "no" 136 LDADD+= -lc_pic 137 .if ${MKPICINSTALL} != "no" 138 DPADD+= ${LIBC_PIC} 139 .endif 140 DPADD+= ${CLIBOBJ}/libc_pic.a 141 .else 142 LDADD+= -lc 143 DPADD+= ${CLIBOBJ}/libc.a 144 .endif 145 146 .if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 147 # for $$divU, $$remU etc. (millicode) 148 LDADD+= -lgcc 149 DPADD+= ${LIBGCC} 150 .endif 151 152 STRIPFLAG= 153 154 .PATH: $M 155 156 157 ${PROG}: ${OBJS} ${DPADD} 158 ${_MKMSG_LINK} ${PROG} 159 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 160 .if ${MKDEBUG} != "no" 161 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 162 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 163 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 164 ) || (rm -f ${.TARGET}.debug; false) 165 166 _PROGDEBUG.${PROG} := ${PROG}.debug 167 .endif 168 169 170 .if ${SHLINKINSTALLDIR} != "/usr/libexec" 171 SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 172 .if ${MKDEBUG} != "no" 173 SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 174 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 175 .endif 176 .endif 177 178 .include <bsd.prog.mk> 179 .else 180 181 MAN= ld.elf_so.1 182 183 .include <bsd.man.mk> 184 .endif 185
Indexes created Wed Oct 29 12:09:47 GMT 2025