Makefile revision 1.141.2.2
1 # $NetBSD: Makefile,v 1.141.2.2 2023/08/11 12:13:10 sborrill Exp $ 2 # 3 # NOTE: when changing ld.so, ensure that ldd still compiles. 4 # 5 NOSANITIZER= # defined 6 WARNS?=4 7 8 LDELFSO_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 16 PIE_CFLAGS= 17 PIE_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}) 23 ARCHSUBDIR= ${LDELFSO_MACHINE_CPU} 24 .else 25 ARCHSUBDIR= ${MACHINE_CPU} 26 .endif 27 M= ${.CURDIR}/arch/${ARCHSUBDIR} 28 29 .if ((${MACHINE_CPU} == "aarch64") || \ 30 (${LDELFSO_MACHINE_ARCH} == "alpha") || \ 31 (${MACHINE_CPU} == "arm") || \ 32 (${LDELFSO_MACHINE_ARCH} == "coldfire") || \ 33 (${LDELFSO_MACHINE_ARCH} == "hppa") || \ 34 (${LDELFSO_MACHINE_ARCH} == "i386") || \ 35 (${LDELFSO_MACHINE_ARCH} == "m68k") || \ 36 (${MACHINE_CPU} == "mips") || \ 37 (${MACHINE_CPU} == "or1k") || \ 38 (${MACHINE_CPU} == "powerpc") || \ 39 (${MACHINE_CPU} == "riscv") || \ 40 (${MACHINE_CPU} == "sh3") || \ 41 (${LDELFSO_MACHINE_ARCH} == "sparc") || \ 42 (${LDELFSO_MACHINE_ARCH} == "sparc64") || \ 43 (${LDELFSO_MACHINE_ARCH} == "x86_64") || \ 44 (${LDELFSO_MACHINE_ARCH} == "vax")) && \ 45 ${MKPIC} != "no" 46 47 LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \ 48 -shared -nostartfiles -nodefaultlibs 49 LDFLAGS+= -Wl,-static 50 LDFLAGS+= -Wl,--warn-shared-textrel 51 LDFLAGS+= -Wl,-Map=${.TARGET}.map 52 53 COPTS+= -fvisibility=hidden 54 55 # Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source 56 # is first. 57 .if exists($M/Makefile.inc) 58 .include "$M/Makefile.inc" 59 .endif 60 61 # Support compat ld.elf_so. 62 .if defined(MLIBDIR) 63 PROG= ld.elf_so-${MLIBDIR} 64 CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\" 65 . if ${MLIBDIR} == "o32" 66 . endif 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 errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h 100 ${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \ 101 mv -f ${.TARGET}.tmp ${.TARGET} 102 103 xprintf.c: errlist_concat.h 104 105 CLEANFILES+= errlist_concat.h ${PROG}.map 106 107 BINDIR= ${SHLINKINSTALLDIR} 108 109 CPPFLAGS.tls.c+= -std=gnu11 110 CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\" 111 CPPFLAGS+= -I${.CURDIR} -I. -D_KERNTYPES 112 CPPFLAGS+= -DRTLD_LOADER 113 CPPFLAGS+= -DGNU_RELRO 114 CPPFLAGS+= -D_RTLD_SOURCE 115 CPPFLAGS+= -DHAVE_INITFINI_ARRAY 116 #CPPFLAGS+= -DDEBUG 117 #CPPFLAGS+= -DRTLD_DEBUG 118 #CPPFLAGS+= -DRTLD_DEBUG_RELOC 119 .if !empty(LDELFSO_MACHINE_ARCH:Mearm*) 120 CPPFLAGS+= -I${NETBSDSRCDIR}/lib/libexecinfo 121 .endif 122 #DBG= -g 123 COPTS+= -O3 124 125 .if ${MACHINE_CPU} != "m68k" && ${MACHINE_CPU} != "sh3" && ${MACHINE_ARCH} != "vax" 126 COPTS+= -fomit-frame-pointer 127 .endif 128 129 .if ${LDELFSO_MACHINE_ARCH} == "i386" || ${LDELFSO_MACHINE_ARCH} == "x86_64" 130 COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3 131 .endif 132 133 134 .if ${SHLIBDIR} != ${LIBDIR} 135 CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\" 136 .endif 137 138 # rtld.c and symbol.c use alloca, so disable SSP warnings. 139 COPTS.rtld.c+= -Wno-stack-protector 140 COPTS.symbol.c+=-Wno-stack-protector 141 142 .if ${MACHINE_CPU} == "vax" 143 COPTS.rtld.c+= -O0 144 .endif 145 146 LDADD+= -Wl,--version-script=${.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 168 169 170 ${PROG}: ${OBJS} ${DPADD} 171 ${_MKMSG_LINK} ${PROG} 172 ${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD} 173 .if ${MKDEBUG} != "no" 174 ( ${OBJCOPY} --only-keep-debug ${.TARGET} ${.TARGET}.debug \ 175 && ${OBJCOPY} --strip-debug -p -R .gnu_debuglink \ 176 --add-gnu-debuglink=${.TARGET}.debug ${.TARGET} \ 177 ) || (rm -f ${.TARGET}.debug; false) 178 179 _PROGDEBUG.${PROG} := ${PROG}.debug 180 .endif 181 182 183 .if ${SHLINKINSTALLDIR} != "/usr/libexec" 184 SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG} 185 .if ${MKDEBUG} != "no" 186 SYMLINKS+= ${DEBUGDIR}${BINDIR}/${PROG}.debug \ 187 ${DEBUGDIR}/usr${BINDIR}/${PROG}.debug 188 .endif 189 .endif 190 191 .include <bsd.prog.mk> 192 .else 193 194 MAN= ld.elf_so.1 195 196 .include <bsd.man.mk> 197 .endif 198
Indexes created Tue Oct 28 12:10:06 GMT 2025