scripts/mono-find-requires.in

   1 #!/bin/bash
   2 #
   3 # mono-find-requires
   4 #
   5 # Authors:
   6 #       Ben Maurer (bmaurer@ximian.com)
   7 #       Wade Berrier (wberrier@novell.com)
   8 #
   9 # (C) 2008 Novell (http://www.novell.com)
  10 #
  11
  12 IFS=$'\n'
  13 filelist=($(grep -Ev '/usr/doc/|/usr/share/doc/'))
  14 monolist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.(exe|dll)\$"))
  15
  16 # parse .config files to find which native libraries to depend on
  17 #  (target attribute must have double quotes for this to work, ie: target="file" )
  18 # Add /etc/mono/config ?
  19 configlist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.config\$"))
  20
  21 # Set the prefix, unless it is overriden (used when building mono rpms)
  22 : ${prefix=@prefix@}
  23
  24 # Can override .config scanning if specified
  25 : ${IGNORE_CONFIG_SCAN=0}
  26
  27 libdir=$prefix/@reloc_libdir@
  28 bindir=$prefix/bin
  29
  30 # Bail out if monodis or libmono is missing
  31 if [ ! -x $bindir/monodis ] || [ ! -f $libdir/libmono-2.0.so.1 ] ; then
  32         echo "monodis missing or unusable, exiting..." 1>&2
  33         exit 1
  34 fi
  35
  36 # special case for 64bit archs
  37 if test "x@reloc_libdir@" = "xlib64" ; then
  38         libext="()(64bit)"
  39 else
  40         # (note, this works on ppc64 since we only have 32bit mono)
  41         libext=""
  42 fi
  43
  44 # Exceptions:
  45 case `uname -m` in
  46         # ia64 doesn't use lib64 for 'libdir' (sles 9 rpm used to provide both... no longer)
  47         ia64)   libext="()(64bit)" ;;
  48 esac
  49
  50 # set LD_LIBRARY_PATH to ensure that libmono is found
  51 export LD_LIBRARY_PATH=$libdir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
  52 # and set MONO_PATH to ensure that mscorlib.dll can be found
  53 export MONO_PATH=$prefix/lib/mono/2.0
  54
  55 REQUIRES=$(
  56         for i in "${monolist[@]}"; do
  57                 ($bindir/monodis --assemblyref $i | awk '
  58                         BEGIN { START=0; LIBNAME=""; VERSION=""; }
  59                         (START==0) && /^[0-9]+: Version=/ {
  60                                 START=1;
  61                                 sub(/Version=/, "", $2);
  62                                 VERSION=$2
  63                         }
  64
  65                         (START==1) && /^\tName=/ {
  66                                 sub(/Name=/, "", $1);
  67                                 LIBNAME=$1
  68                                 # Allow rpm deps to be resolved for 1.0 profile version
  69                                 if (VERSION=="1.0.3300.0")
  70                                         OP=">="
  71                                 else
  72                                         OP="="
  73                                 print "mono(" LIBNAME ") " OP " " VERSION
  74                                 START=0
  75                         }
  76                     ') 2> /dev/null
  77         done
  78 )
  79
  80 if [ $IGNORE_CONFIG_SCAN -eq 0 ] ; then
  81
  82 rpm_config_REQUIRES=$(
  83         # Parse the xml .config files to see what native binaries we call into
  84         # TODO: also check monodis --moduleref
  85         for i in "${configlist[@]}"; do
  86                 awk 'match($_, /<dllmap .*target=.*/) {
  87                         ignore=0
  88                         req=""
  89                         split($_, toks, "\"")
  90                         toks_size=0
  91                         for(tok in toks) { toks_size++ }
  92                         for(i=1; i <= toks_size; i++) {
  93                                 if(toks[i] ~ /target=/) {
  94                                         req=toks[i+1]
  95                                 }
  96                                 if(toks[i] ~ /os=/) {
  97                                         negate=0
  98                                         found=0
  99
 100                                         attr=toks[i+1]
 101                                         if(attr ~ /^!/) {
 102                                                 attr=substr(attr, 2, length(attr)-1)
 103                                                 negate=1
 104                                         }
 105
 106                                         split(attr, os_targets, ",")
 107                                         os_targets_size=0
 108                                         for(os_target in os_targets) { os_targets_size++ }
 109                                         for(j=1; j <= os_targets_size; j++) {
 110                                                 if(os_targets[j] == "linux") {
 111                                                         found=1
 112                                                 }
 113                                         }
 114
 115                                         if(negate) {
 116                                                 found=!found
 117                                         }
 118                                         if (!found) {
 119                                                 ignore=1
 120                                         }
 121                                 }
 122                         }
 123                         if(!ignore) {
 124                                 print req"'$libext'"
 125                         }
 126                 } ' $i 2>/dev/null
 127         done
 128 )
 129
 130 # Resolve provides to packages, warning on missing to stderr
 131 config_REQUIRES=$(
 132         first=1 # avoid an empty line if no .config reqs are found
 133         for i in ${rpm_config_REQUIRES[@]} ; do
 134                 out=$(rpm -q --whatprovides --queryformat "%{NAME}\n" $i)
 135                 if [ $? -eq 0 ] ; then
 136                         if [ $first -eq 1 ] ; then
 137                                echo ""
 138                                first=0
 139                         fi
 140                         echo $out
 141                 else
 142                         # echo to stderr
 143                         echo "mono-find-requires: Warning, could not find package that provides: $i" >&2
 144                 fi
 145         done
 146 )
 147
 148 fi
 149
 150 # Note about above:
 151 #  Use to do: system("rpm -q --whatprovides --queryformat \"%{NAME}\n\" ""\""req"'$libext'""\"")
 152 #  rpmlint prefers to have lib names instead of package names.  There was a reason I was using package names but it slips me now...
 153 #  Ah... now I remember... it's for noarch packs.  The noarch packages can be built on either 32 or 64 bit... so we have to depend
 154 #   on the package name instead.
 155
 156 PROVIDES=$(
 157         for i in "${monolist[@]}"; do
 158                 ($bindir/monodis --assembly $i | awk '
 159                         BEGIN { LIBNAME=""; VERSION=""; }
 160                         /^Version:/ { VERSION=$2 }
 161                         /^Name:/    { LIBNAME=$2 }
 162                         END {
 163                                 if (VERSION && LIBNAME)
 164                                         print "mono(" LIBNAME ") = " VERSION
 165                         }
 166                     ') 2>/dev/null
 167         done
 168 )
 169 #
 170 # This is a little magic trick to get all REQUIRES that are not
 171 # in PROVIDES. While RPM functions correctly when such deps exist,
 172 # they make the metadata a bit bloated.
 173 #
 174 # TODO: make this use the mono-find-provides script, to share code
 175
 176 # Filter out dups from both lists
 177 REQUIRES=$(echo "$REQUIRES $config_REQUIRES"  | sort | uniq)
 178 PROVIDES=$(echo "$PROVIDES" | sort | uniq)
 179
 180 #
 181 # Get a list of elements that exist in exactly one of PROVIDES or REQUIRES
 182 #
 183 UNIQ=$(echo "$PROVIDES
 184 $REQUIRES" | sort | uniq -u)
 185
 186 #
 187 # Of those, only choose the ones that are in REQUIRES
 188 #
 189 echo "$UNIQ
 190 $REQUIRES" | sort | uniq -d