1#!/bin/sh 2# 3# 4# Our current make(1)-based approach to dependency tracking cannot cope with 5# certain source tree changes, including: 6# - removing source files 7# - replacing generated files with files committed to the tree 8# - changing file extensions (e.g. a C source file rewritten in C++) 9# 10# We handle those cases here in an ad-hoc fashion by looking for the known- 11# bad case in the main .depend file, and if found deleting all of the related 12# .depend files (including for example the lib32 version). 13# 14# These tests increase the build time (albeit by a small amount), so they 15# should be removed once enough time has passed and it is extremely unlikely 16# anyone would try a NO_CLEAN build against an object tree from before the 17# related change. One year should be sufficient. 18 19set -e 20set -u 21 22warn() 23{ 24 echo "$(basename "$0"):" "$@" >&2 25} 26 27err() 28{ 29 warn "$@" 30 exit 1 31} 32 33usage() 34{ 35 echo "usage: $(basename $0) [-v] [-n] objtop" >&2 36} 37 38VERBOSE= 39PRETEND= 40while getopts vn o; do 41 case "$o" in 42 v) 43 VERBOSE=1 44 ;; 45 n) 46 PRETEND=1 47 ;; 48 *) 49 usage 50 exit 1 51 ;; 52 esac 53done 54shift $((OPTIND-1)) 55 56if [ $# -ne 1 ]; then 57 usage 58 exit 1 59fi 60 61OBJTOP=$1 62shift 63if [ ! -d "$OBJTOP" ]; then 64 err "$OBJTOP: Not a directory" 65fi 66 67if [ -z "${MACHINE+set}" ]; then 68 err "MACHINE not set" 69fi 70 71if [ -z "${MACHINE_ARCH+set}" ]; then 72 err "MACHINE_ARCH not set" 73fi 74 75if [ -z "${ALL_libcompats+set}" ]; then 76 err "ALL_libcompats not set" 77fi 78 79run() 80{ 81 if [ "$VERBOSE" ]; then 82 echo "$@" 83 fi 84 if ! [ "$PRETEND" ]; then 85 "$@" 86 fi 87} 88 89# $1 directory 90# $2 source filename w/o extension 91# $3 source extension 92# $4 optional regex for egrep -w 93clean_dep() 94{ 95 for libcompat in "" $ALL_libcompats; do 96 dirprfx=${libcompat:+obj-lib${libcompat}/} 97 if egrep -qw "${4:-$2\.$3}" "$OBJTOP"/$dirprfx$1/.depend.$2.*o 2>/dev/null; then 98 echo "Removing stale ${libcompat:+lib${libcompat} }dependencies and objects for $2.$3" 99 run rm -f \ 100 "$OBJTOP"/$dirprfx$1/.depend.$2.* \ 101 "$OBJTOP"/$dirprfx$1/$2.*o 102 fi 103 done 104} 105 106# Date Rev Description 107 108# 20220326 fbc002cb72d2 move from bcmp.c to bcmp.S 109if [ "$MACHINE_ARCH" = "amd64" ]; then 110 clean_dep lib/libc bcmp c 111fi 112 113# 20220524 68fe988a40ca kqueue_test binary replaced shell script 114if stat "$OBJTOP"/tests/sys/kqueue/libkqueue/*kqtest* \ 115 "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.kqtest* >/dev/null 2>&1; then 116 echo "Removing old kqtest" 117 run rm -f "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.* \ 118 "$OBJTOP"/tests/sys/kqueue/libkqueue/* 119fi 120 121# 20221115 42d10b1b56f2 move from rs.c to rs.cc 122clean_dep usr.bin/rs rs c 123 124# 20230110 bc42155199b5 usr.sbin/zic/zic -> usr.sbin/zic 125if [ -d "$OBJTOP"/usr.sbin/zic/zic ] ; then 126 echo "Removing old zic directory" 127 run rm -rf "$OBJTOP"/usr.sbin/zic/zic 128fi 129 130# 20230208 29c5f8bf9a01 move from mkmakefile.c to mkmakefile.cc 131clean_dep usr.sbin/config mkmakefile c 132# 20230209 83d7ed8af3d9 convert to main.cc and mkoptions.cc 133clean_dep usr.sbin/config main c 134clean_dep usr.sbin/config mkoptions c 135 136# 20230401 54579376c05e kqueue1 from syscall to C wrapper 137clean_dep lib/libc kqueue1 S 138 139# 20230623 b077aed33b7b OpenSSL 3.0 update 140if [ -f "$OBJTOP"/secure/lib/libcrypto/aria.o ]; then 141 echo "Removing old OpenSSL 1.1.1 tree" 142 for libcompat in "" $ALL_libcompats; do 143 dirprfx=${libcompat:+obj-lib${libcompat}/} 144 run rm -rf "$OBJTOP"/${dirprfx}secure/lib/libcrypto \ 145 "$OBJTOP"/${dirprfx}secure/lib/libssl 146 done 147fi 148 149# 20230714 ee8b0c436d72 replace ffs/fls implementations with clang builtins 150clean_dep lib/libc ffs S 151clean_dep lib/libc ffsl S 152clean_dep lib/libc ffsll S 153clean_dep lib/libc fls S 154clean_dep lib/libc flsl S 155clean_dep lib/libc flsll S 156 157# 20230815 28f6c2f29280 GoogleTest update 158if [ -e "$OBJTOP"/tests/sys/fs/fusefs/mockfs.o ] && \ 159 grep -q '_ZN7testing8internal18g_linked_ptr_mutexE' "$OBJTOP"/tests/sys/fs/fusefs/mockfs.o; then 160 echo "Removing stale fusefs GoogleTest objects" 161 run rm -rf "$OBJTOP"/tests/sys/fs/fusefs 162fi 163 164# 20231031 0527c9bdc718 Remove forward compat ino64 stuff 165clean_dep lib/libc fstat c 166clean_dep lib/libc fstatat c 167clean_dep lib/libc fstatfs c 168clean_dep lib/libc getdirentries c 169clean_dep lib/libc getfsstat c 170clean_dep lib/libc statfs c 171 172# 20240308 e6ffc7669a56 Remove pointless MD syscall(2) 173# 20240308 0ee0ae237324 Remove pointless MD syscall(2) 174# 20240308 7b3836c28188 Remove pointless MD syscall(2) 175if [ ${MACHINE} != i386 ]; then 176 libcompats= 177 for libcompat in $ALL_libcompats; do 178 if [ $MACHINE = amd64 ] && [ $libcompat = 32 ]; then 179 continue 180 fi 181 libcompats="${libcompats+$libcompats }$libcompat" 182 done 183 ALL_libcompats="$libcompats" clean_dep lib/libsys syscall S ".*/syscall\.S" 184 ALL_libcompats="$libcompats" clean_dep lib/libc syscall S ".*/syscall\.S" 185fi 186 187# 20240416 2fda3ab0ac19 WITH_NVME: Remove from broken 188if [ -f "$OBJTOP"/rescue/rescue/rescue.mk ] && \ 189 ! grep -q 'nvme_util.o' "$OBJTOP"/rescue/rescue/rescue.mk; then 190 echo "removing rescue.mk without nvme_util.o" 191 run rm -f "$OBJTOP"/rescue/rescue/rescue.mk 192fi 193 194# 20240910 e2df9bb44109 195clean_dep cddl/lib/libzpool abd_os c "linux/zfs/abd_os\.c" 196 197# 20241007 198clean_dep cddl/lib/libzpool zfs_debug c "linux/zfs/zfs_debug\.c" 199 200# 20241011 201clean_dep cddl/lib/libzpool arc_os c "linux/zfs/arc_os\.c" 202 203# 20241018 1363acbf25de libc/csu: Support IFUNCs on riscv 204if [ ${MACHINE} = riscv ]; then 205 for f in "$OBJTOP"/lib/libc/.depend.libc_start1.*o; do 206 if [ ! -f "$f" ]; then 207 continue 208 fi 209 if ! grep -q 'lib/libc/csu/riscv/reloc\.c' "$f"; then 210 echo "Removing stale dependencies and objects for libc_start1.c" 211 run rm -f \ 212 "$OBJTOP"/lib/libc/.depend.libc_start1.* \ 213 "$OBJTOP"/lib/libc/libc_start1.*o 214 break 215 fi 216 done 217fi 218 219# 20241018 5deeebd8c6ca Merge llvm-project release/19.x llvmorg-19.1.2-0-g7ba7d8e2f7b6 220p="$OBJTOP"/lib/clang/libclang/clang/Basic 221f="$p"/arm_mve_builtin_sema.inc 222if [ -e "$f" ]; then 223 if grep -q SemaBuiltinConstantArgRange "$f"; then 224 echo "Removing pre-llvm19 clang-tblgen output" 225 run rm -f "$p"/*.inc 226 fi 227fi 228 229# 20241025 cb5e41b16083 Unbundle hash functions fom lib/libcrypt 230clean_dep lib/libcrypt crypt-md5 c 231clean_dep lib/libcrypt crypt-nthash c 232clean_dep lib/libcrypt crypt-sha256 c 233clean_dep lib/libcrypt crypt-sha512 c 234