1 # $NetBSD: Makefile,v 1.155 2026/01/18 19:19:09 jmcneill 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,--no-undefined 53 LDFLAGS+= -Wl,-Map=${.TARGET}.map 54 55 COPTS+= -fvisibility=hidden 56 57 # Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 58 # is first. 59 .if exists($M/Makefile.inc) 60 .include "$M/Makefile.inc" 61 .endif 62 63 # Support compat ld.elf_so. 64 .if defined(MLIBDIR) 65 PROG= ld.elf_so-${MLIBDIR} 66 CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 67 . if ${MLIBDIR} == "o32" 68 . endif 69 .else 70 PROG= ld.elf_so 71 .endif 72 73 CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 74 75 SRCS+= compat.c 76 SRCS+= debug.c 77 SRCS+= diagassert.c 78 SRCS+= expand.c 79 SRCS+= hash.c 80 SRCS+= headers.c 81 SRCS+= load.c 82 SRCS+= map_object.c 83 SRCS+= paths.c 84 SRCS+= reloc.c 85 SRCS+= rtld.c 86 SRCS+= search.c 87 SRCS+= symbol.c 88 SRCS+= symver.c 89 SRCS+= tls.c 90 SRCS+= xmalloc.c 91 SRCS+= xprintf.c 92 93 .if ${USE_FORT} == "yes" 94 .PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 95 SRCS+= stack_protector.c 96 .endif 97 98 .PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 99 SRCS+= exit.c 100 101 .PATH.c: ${NETBSDSRCDIR}/lib/libc/gen 102 SRCS+= ctype_.c # ctype(3) tables without useless guard page 103 CPPFLAGS.ctype_.c+= -I${NETBSDSRCDIR}/lib/libc/locale 104 105 errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 106 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 107 mv -f ${.TARGET}.tmp ${.TARGET} 108 109 xprintf.c: errlist_concat.h 110 111 CLEANFILES+= errlist_concat.h ${PROG}.map 112 113 BINDIR= ${SHLINKINSTALLDIR} 114 115 CPPFLAGS.tls.c+= -std=gnu11 116 CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 117 CPPFLAGS+= -I${.CURDIR} -I. -D_KERNTYPES 118 CPPFLAGS+= -DRTLD_LOADER -D_LIBC_INTERNAL 119 CPPFLAGS+= -DGNU_RELRO 120 CPPFLAGS+= -D_RTLD_SOURCE 121 CPPFLAGS+= -DHAVE_INITFINI_ARRAY 122 .if ${LDELFSO_MACHINE_ARCH} == "powerpc" 123 CPPFLAGS+= -DRTLD_MAP_OBJECT_FIXUP 124 .endif 125 #CPPFLAGS+= -DDEBUG 126 #CPPFLAGS+= -DRTLD_DEBUG 127 #CPPFLAGS+= -DRTLD_DEBUG_RELOC 128 #CPPFLAGS+= -DMALLOC_DEBUG 129 .if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 130 CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 131 .endif 132 #DBG= -g 133 COPTS+= -O3 134 135 .if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 136 COPTS+= -fomit-frame-pointer 137 .endif 138 139 .if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 140 COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 141 .endif 142 143 144 .if ${SHLIBDIR} != ${LIBDIR} 145 CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 146 .endif 147 148 LDADD+= -Wl,--version-script=${.CURDIR}/symbols.map 149 LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 150 .if ${MKPICLIB} != "no" 151 LDADD+= -lc_pic 152 .if ${MKPICINSTALL} != "no" 153 DPADD+= ${LIBC_PIC} 154 .endif 155 DPADD+= ${CLIBOBJ}/libc_pic.a 156 .else 157 LDADD+= -lc 158 DPADD+= ${CLIBOBJ}/libc.a 159 .endif 160 161 .if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 162 # for $$divU, $$remU etc. (millicode) 163 LDADD+= -lgcc 164 DPADD+= ${LIBGCC} 165 .endif 166 167 STRIPFLAG= 168 169 .PATH: $M 170 171 .if ${MKDEBUG} != "no" 172 ${PROG}.link: 173 .else 174 ${PROG}: 175 .endif 176 ${_MKTARGET_LINK} 177 ${CC} ${LDFLAGS} -o ${.TARGET} ${OBJS} ${LDADD} 178 179 .if ${SHLINKINSTALLDIR} != "/usr/libexec" 180 SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 181 .if ${MKDEBUG} != "no" 182 SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 183 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 184 .endif 185 .endif 186 187 .include <bsd.prog.mk> 188 .else 189 190 MAN= ld.elf_so.1 191 192 .include <bsd.man.mk> 193 .endif 194
Indexes created Sat Mar 28 00:23:22 UTC 2026