scripts/randomtest

   1 #!/bin/sh
   2
   3 # If not specified in environment...
   4 if ! test "$LIBC"; then
   5         # Select which libc to build against
   6         LIBC="glibc"
   7         LIBC="uclibc"
   8 fi
   9 # x86 32-bit:
  10 #CROSS_COMPILER_PREFIX="i486-linux-uclibc-"
  11 # My system has strange prefix for x86 64-bit uclibc:
  12 #CROSS_COMPILER_PREFIX="x86_64-pc-linux-gnu-"
  13
  14 if test $# -lt 2 || ! test -d "$1" || test -e "$2"; then
  15         echo "Usage: $0 SRC_DIR TMP_DIR"
  16         echo
  17         echo "SRC_DIR will be copied to TMP_DIR directory."
  18         echo "Then a random build will be performed."
  19         echo
  20         echo "Useful variables:"
  21         echo "\$LIBC, \$CROSS_COMPILER_PREFIX, \$MAKEOPTS"
  22         exit 1
  23 fi
  24
  25 cp -dpr -- "$1" "$2" || { echo "copy error"; exit 1; }
  26 cd -- "$2" || { echo "cd $dir error"; exit 1; }
  27
  28 # Generate random config
  29 make randconfig >/dev/null || { echo "randconfig error"; exit 1; }
  30
  31 # Tweak resulting config
  32 cat .config \
  33 | grep -v CONFIG_DEBUG_PESSIMIZE \
  34 | grep -v CONFIG_WERROR \
  35 | grep -v CONFIG_CROSS_COMPILER_PREFIX \
  36 | grep -v CONFIG_SELINUX \
  37 | grep -v CONFIG_EFENCE \
  38 | grep -v CONFIG_DMALLOC \
  39 \
  40 | grep -v CONFIG_RFKILL \
  41 >.config.new
  42 mv .config.new .config
  43 echo '# CONFIG_DEBUG_PESSIMIZE is not set' >>.config
  44 echo '# CONFIG_WERROR is not set' >>.config
  45 echo "CONFIG_CROSS_COMPILER_PREFIX=\"${CROSS_COMPILER_PREFIX}\"" >>.config
  46 echo '# CONFIG_SELINUX is not set' >>.config
  47 echo '# CONFIG_EFENCE is not set' >>.config
  48 echo '# CONFIG_DMALLOC is not set' >>.config
  49 echo '# CONFIG_RFKILL is not set' >>.config
  50
  51 # If glibc, don't build static
  52 if test x"$LIBC" = x"glibc"; then
  53         cat .config \
  54         | grep -v CONFIG_STATIC \
  55         | grep -v CONFIG_FEATURE_LIBBUSYBOX_STATIC \
  56         \
  57         | grep -v CONFIG_FEATURE_2_4_MODULES \
  58         | grep -v CONFIG_FEATURE_USE_BSS_TAIL \
  59         | grep -v CONFIG_DEBUG_SANITIZE \
  60         | grep -v CONFIG_FEATURE_MOUNT_NFS \
  61         | grep -v CONFIG_FEATURE_INETD_RPC \
  62         >.config.new
  63         mv .config.new .config
  64         echo '# CONFIG_STATIC is not set' >>.config
  65         echo '# CONFIG_FEATURE_LIBBUSYBOX_STATIC is not set' >>.config
  66         # newer glibc (at least 2.23) no longer supply query_module() ABI.
  67         # People who target 2.4 kernels would likely use older glibc (and older bbox).
  68         echo '# CONFIG_FEATURE_2_4_MODULES is not set' >>.config
  69         echo '# CONFIG_FEATURE_USE_BSS_TAIL is not set' >>.config
  70         echo '# CONFIG_DEBUG_SANITIZE is not set' >>.config
  71         # 2018: current glibc versions no longer include rpc/rpc.h
  72         echo '# CONFIG_FEATURE_MOUNT_NFS is not set' >>.config
  73         echo '# CONFIG_FEATURE_INETD_RPC is not set' >>.config
  74 fi
  75
  76 # If uclibc, build static, and remove some things
  77 # likely to not work on uclibc.
  78 if test x"$LIBC" = x"uclibc"; then
  79         cat .config \
  80         | grep -v CONFIG_STATIC \
  81         | grep -v CONFIG_BUILD_LIBBUSYBOX \
  82         | grep -v CONFIG_PIE \
  83         \
  84         | grep -v CONFIG_FEATURE_2_4_MODULES \
  85         | grep -v CONFIG_FEATURE_SYNC_FANCY \
  86         | grep -v CONFIG_NANDWRITE \
  87         | grep -v CONFIG_NANDDUMP \
  88         | grep -v CONFIG_BLKDISCARD \
  89         | grep -v CONFIG_NSENTER \
  90         | grep -v CONFIG_UNSHARE \
  91         | grep -v CONFIG_FALLOCATE \
  92         | grep -v CONFIG_UDHCPC6 \
  93         | grep -v CONFIG_NSLOOKUP \
  94         | grep -v CONFIG_ASH_INTERNAL_GLOB \
  95         >.config.new
  96         mv .config.new .config
  97         echo 'CONFIG_STATIC=y' >>.config
  98         echo '# CONFIG_BUILD_LIBBUSYBOX is not set' >>.config
  99         echo '# CONFIG_PIE is not set' >>.config
 100         echo '# CONFIG_FEATURE_2_4_MODULES is not set' >>.config
 101         echo '# CONFIG_FEATURE_SYNC_FANCY is not set' >>.config
 102         # My uclibc installation does not support some needed APIs...
 103         echo '# CONFIG_NANDWRITE is not set' >>.config
 104         echo '# CONFIG_NANDDUMP is not set' >>.config
 105         echo '# CONFIG_BLKDISCARD is not set' >>.config
 106         echo '# CONFIG_NSENTER is not set' >>.config
 107         echo '# CONFIG_UNSHARE is not set' >>.config
 108         echo '# CONFIG_FALLOCATE is not set' >>.config
 109         echo '# CONFIG_UDHCPC6 is not set' >>.config
 110         echo '# CONFIG_NSLOOKUP is not set' >>.config
 111         echo 'CONFIG_ASH_INTERNAL_GLOB=y' >>.config
 112 fi
 113
 114 # If musl
 115 if test x"$LIBC" = x"musl"; then
 116         cat .config \
 117         | grep -v CONFIG_STATIC \
 118         | grep -v CONFIG_DEBUG_SANITIZE \
 119         | grep -v CONFIG_LFS \
 120         | grep -v CONFIG_EXTRA_COMPAT \
 121         | grep -v CONFIG_FEATURE_2_4_MODULES \
 122         | grep -v CONFIG_FEATURE_VI_REGEX_SEARCH \
 123         | grep -v CONFIG_FEATURE_MOUNT_NFS \
 124         | grep -v CONFIG_FEATURE_INETD_RPC \
 125         >.config.new
 126         mv .config.new .config
 127         echo 'CONFIG_STATIC=y' >>.config
 128         # "error: cannot specify -static with -fsanitize=address":
 129         echo '# CONFIG_DEBUG_SANITIZE is not set' >>.config
 130         # with LFS off, uoff_t will have wrong width:
 131         echo 'CONFIG_LFS=y' >>.config
 132         echo '# CONFIG_EXTRA_COMPAT is not set' >>.config
 133         echo '# CONFIG_FEATURE_2_4_MODULES is not set' >>.config
 134         echo '# CONFIG_FEATURE_VI_REGEX_SEARCH is not set' >>.config
 135         echo '# CONFIG_FEATURE_MOUNT_NFS is not set' >>.config
 136         echo '# CONFIG_FEATURE_INETD_RPC is not set' >>.config
 137 fi
 138
 139 # If STATIC, remove some things.
 140 # PAM with static linking is probably pointless
 141 # (but I need to try - now I don't have libpam.a on my system, only libpam.so)
 142 if grep -q "^CONFIG_STATIC=y" .config; then
 143         cat .config \
 144         | grep -v CONFIG_PAM \
 145         >.config.new
 146         mv .config.new .config
 147         echo '# CONFIG_PAM is not set' >>.config
 148 fi
 149
 150 # Regenerate .config with default answers for yanked-off options
 151 # (most of default answers are "no").
 152 { yes "" | make oldconfig >/dev/null; } || { echo "oldconfig error"; exit 1; }
 153
 154 # Build!
 155 nice -n 10 make $MAKEOPTS 2>&1 | tee make.log
 156 grep 'Rerun make' make.log \
 157 && nice -n 10 make $MAKEOPTS 2>&1 | tee -a make.log
 158
 159 # Return exitcode 1 if busybox executable does not exist
 160 test -x busybox