1 # $NetBSD: Makefile,v 1.157 2026/09/16 18:46:23 uwe 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 "$M/Makefile.inc" 61 .endif 62 63 # Support compat ld.elf_so (compat32 or alternative ABI). 64 .if defined(MLIBDIR) 65 PROG= ld.elf_so-${MLIBDIR} 66 CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 67 .else 68 PROG= ld.elf_so 69 .endif 70 71 CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR} 72 73 SRCS+= compat.c 74 SRCS+= debug.c 75 SRCS+= diagassert.c 76 SRCS+= expand.c 77 SRCS+= hash.c 78 SRCS+= headers.c 79 SRCS+= load.c 80 SRCS+= map_object.c 81 SRCS+= paths.c 82 SRCS+= reloc.c 83 SRCS+= rtld.c 84 SRCS+= search.c 85 SRCS+= symbol.c 86 SRCS+= symver.c 87 SRCS+= tls.c 88 SRCS+= xmalloc.c 89 SRCS+= xprintf.c 90 91 .if ${USE_FORT} == "yes" 92 .PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 93 SRCS+= stack_protector.c 94 .endif 95 96 .PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 97 SRCS+= exit.c 98 99 .PATH.c: ${NETBSDSRCDIR}/lib/libc/gen 100 SRCS+= ctype_.c # ctype(3) tables without useless guard page 101 CPPFLAGS.ctype_.c+= -I${NETBSDSRCDIR}/lib/libc/locale 102 103 errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 104 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 105 mv -f ${.TARGET}.tmp ${.TARGET} 106 107 xprintf.c: errlist_concat.h 108 109 CLEANFILES+= errlist_concat.h ${PROG}.map 110 111 BINDIR= ${SHLINKINSTALLDIR} 112 113 CPPFLAGS.tls.c+= -std=gnu11 114 CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 115 CPPFLAGS+= -I${.CURDIR} -I. -D_KERNTYPES 116 CPPFLAGS+= -DRTLD_LOADER -D_LIBC_INTERNAL 117 CPPFLAGS+= -DGNU_RELRO 118 CPPFLAGS+= -D_RTLD_SOURCE 119 CPPFLAGS+= -DHAVE_INITFINI_ARRAY 120 .if ${LDELFSO_MACHINE_ARCH} == "powerpc" 121 CPPFLAGS+= -DRTLD_MAP_OBJECT_FIXUP 122 .endif 123 CPPFLAGS+= -DDEBUG 124 #CPPFLAGS+= -DRTLD_DEBUG 125 #CPPFLAGS+= -DRTLD_DEBUG_RELOC 126 #CPPFLAGS+= -DMALLOC_DEBUG 127 .if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 128 CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 129 .endif 130 #DBG= -g 131 COPTS+= -O3 132 133 .if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 134 COPTS+= -fomit-frame-pointer 135 .endif 136 137 .if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 138 COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 139 .endif 140 141 142 .if ${SHLIBDIR} != ${LIBDIR} 143 CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 144 .endif 145 146 LDADD+= -Wl,--version-script=${.CURDIR}/symbols.map 147 LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 148 .if ${MKPICLIB} != "no" 149 LDADD+= -lc_pic 150 .if ${MKPICINSTALL} != "no" 151 DPADD+= ${LIBC_PIC} 152 .endif 153 DPADD+= ${CLIBOBJ}/libc_pic.a 154 .else 155 LDADD+= -lc 156 DPADD+= ${CLIBOBJ}/libc.a 157 .endif 158 159 .if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 160 # for $$divU, $$remU etc. (millicode) 161 LDADD+= -lgcc 162 DPADD+= ${LIBGCC} 163 .endif 164 165 STRIPFLAG= 166 167 .PATH: $M 168 169 .if ${MKDEBUG} != "no" 170 ${PROG}.link: 171 .else 172 ${PROG}: 173 .endif 174 ${_MKTARGET_LINK} 175 ${CC} ${LDFLAGS} -o ${.TARGET} ${OBJS} ${LDADD} 176 177 .if ${SHLINKINSTALLDIR} != "/usr/libexec" 178 SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 179 .if ${MKDEBUG} != "no" 180 SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 181 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 182 .endif 183 .endif 184 185 .include <bsd.prog.mk> 186 .else 187 188 MAN= ld.elf_so.1 189 190 .include <bsd.man.mk> 191 .endif 192
Indexes created Mon Sep 21 00:25:25 UTC 2026