Makefile revision 1.146
1 # $NetBSD: Makefile,v 1.146 2023/07/30 09:19:19 riastradh 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+= headers.c 80 SRCS+= load.c 81 SRCS+= map_object.c 82 SRCS+= paths.c 83 SRCS+= reloc.c 84 SRCS+= rtld.c 85 SRCS+= search.c 86 SRCS+= symbol.c 87 SRCS+= symver.c 88 SRCS+= tls.c 89 SRCS+= xmalloc.c 90 SRCS+= xprintf.c 91 92 .if ${USE_FORT} == "yes" 93 .PATH.c: ${NETBSDSRCDIR}/lib/libc/misc 94 SRCS+= stack_protector.c 95 .endif 96 97 .PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib 98 SRCS+= exit.c 99 100 errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 101 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 102 mv -f ${.TARGET}.tmp ${.TARGET} 103 104 xprintf.c: errlist_concat.h 105 106 CLEANFILES+= errlist_concat.h ${PROG}.map 107 108 BINDIR= ${SHLINKINSTALLDIR} 109 110 CPPFLAGS.tls.c+= -std=gnu11 111 CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 112 CPPFLAGS+= -I${.CURDIR} -I. -D_KERNTYPES 113 CPPFLAGS+= -DRTLD_LOADER 114 CPPFLAGS+= -DGNU_RELRO 115 CPPFLAGS+= -D_RTLD_SOURCE 116 CPPFLAGS+= -DHAVE_INITFINI_ARRAY 117 #CPPFLAGS+= -DDEBUG 118 #CPPFLAGS+= -DRTLD_DEBUG 119 #CPPFLAGS+= -DRTLD_DEBUG_RELOC 120 .if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 121 CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 122 .endif 123 #DBG= -g 124 COPTS+= -O3 125 126 .if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 127 COPTS+= -fomit-frame-pointer 128 .endif 129 130 .if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 131 COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 132 .endif 133 134 135 .if ${SHLIBDIR} != ${LIBDIR} 136 CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 137 .endif 138 139 # rtld.c and symbol.c use alloca, so disable SSP warnings. 140 COPTS.rtld.c+= -Wno-stack-protector 141 COPTS.symbol.c+=-Wno-stack-protector 142 143 .if ${MACHINE_CPU} == "vax" 144 COPTS.rtld.c+= -O0 145 .endif 146 147 LDADD+= -Wl,--version-script=${.CURDIR}/symbols.map 148 LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR} 149 .if ${MKPICLIB} != "no" 150 LDADD+= -lc_pic 151 .if ${MKPICINSTALL} != "no" 152 DPADD+= ${LIBC_PIC} 153 .endif 154 DPADD+= ${CLIBOBJ}/libc_pic.a 155 .else 156 LDADD+= -lc 157 DPADD+= ${CLIBOBJ}/libc.a 158 .endif 159 160 .if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3" 161 # for $$divU, $$remU etc. (millicode) 162 LDADD+= -lgcc 163 DPADD+= ${LIBGCC} 164 .endif 165 166 STRIPFLAG= 167 168 .PATH: $M 169 170 171 ${PROG}: ${OBJS} ${DPADD} 172 ${_MKMSG_LINK} ${PROG} 173 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 174 .if ${MKDEBUG} != "no" 175 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 176 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 177 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 178 ) || (rm -f ${.TARGET}.debug; false) 179 180 _PROGDEBUG.${PROG} := ${PROG}.debug 181 .endif 182 183 184 .if ${SHLINKINSTALLDIR} != "/usr/libexec" 185 SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 186 .if ${MKDEBUG} != "no" 187 SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 188 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 189 .endif 190 .endif 191 192 .include <bsd.prog.mk> 193 .else 194 195 MAN= ld.elf_so.1 196 197 .include <bsd.man.mk> 198 .endif 199
Indexes created Thu Oct 23 22:10:10 GMT 2025