2007-06-15 Wade Berrier <wberrier@novell.com>
[mono.git] / scripts / mono-find-requires.in
1 #!/bin/bash
2 #
3 # mono-find-requires
4 #
5 # Authors:
6 #       Ben Maurer (bmaurer@ximian.com)
7 #
8 # (C) 2005 Novell (http://www.novell.com)
9 #
10
11 IFS=$'\n'
12 filelist=($(grep -Ev '/usr/doc/|/usr/share/doc/'))
13 monolist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.(exe|dll)\$"))
14
15 # parse .config files to find which native libraries to depend on 
16 #  (target attribute must have double quotes for this to work, ie: target="file" )
17 # Add /etc/mono/config ?
18 configlist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.config\$"))
19
20 # Set the prefix, unless it is overriden (used when building mono rpms)
21 : ${prefix=@prefix@}
22
23 libdir=$prefix/@reloc_libdir@
24 bindir=$prefix/bin
25
26 # Bail out if monodis or libmono is missing
27 if [ ! -x $bindir/monodis ] || [ ! -f $libdir/libmono.so ] ; then
28         echo "monodis missing or unusable, exiting..." 1>&2
29         exit 1
30 fi
31
32 # special case for 64bit archs
33 if test "x@reloc_libdir@" = "xlib64" ; then
34         libext="()(64bit)"
35 else
36         libext=""
37 fi
38
39 # set LD_LIBRARY_PATH to ensure that libmono.so is found
40 export LD_LIBRARY_PATH=$libdir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
41
42 REQUIRES=$(
43         for i in "${monolist[@]}"; do
44                 ($bindir/monodis --assemblyref $i | awk '
45                         BEGIN { START=0; LIBNAME=""; VERSION=""; }
46                         (START==0) && /^[0-9]+: Version=/ {
47                                 START=1;
48                                 sub(/Version=/, "", $2);
49                                 VERSION=$2
50                         }
51
52                         (START==1) && /^\tName=/ {
53                                 sub(/Name=/, "", $1);
54                                 LIBNAME=$1
55                                 # Allow rpm deps to be resolved for 1.0 profile version
56                                 if (VERSION=="1.0.3300.0")
57                                         OP=">="
58                                 else
59                                         OP="="
60                                 print "mono(" LIBNAME ") " OP " " VERSION
61                                 START=0
62                         }
63                     ') 2> /dev/null
64         done
65         # Parse the xml .config files to see what native binaries we call into
66         # TODO: also check monodis --moduleref
67         for i in "${configlist[@]}"; do
68                 awk 'match($_, /<dllmap .*target=.*/) {
69                         ignore=0
70                         req=""
71                         split($_, toks, "\"")
72                         toks_size=0
73                         for(tok in toks) { toks_size++ }
74                         for(i=1; i <= toks_size; i++) {
75                                 if(toks[i] ~ /target=/) {
76                                         req=toks[i+1]
77                                 }
78                                 if(toks[i] ~ /os=/) {
79                                         negate=0
80                                         found=0
81
82                                         attr=toks[i+1]
83                                         if(attr ~ /^!/) {
84                                                 attr=substr(attr, 2, length(attr)-1)
85                                                 negate=1
86                                         }
87
88                                         split(attr, os_targets, ",")
89                                         os_targets_size=0
90                                         for(os_target in os_targets) { os_targets_size++ }
91                                         for(j=1; j <= os_targets_size; j++) {
92                                                 if(os_targets[j] == "linux") {
93                                                         found=1
94                                                 }
95                                         }
96
97                                         if(negate) {
98                                                 found=!found
99                                         }
100                                         if (!found) {
101                                                 ignore=1
102                                         } 
103                                 }
104                         }
105                         if(!ignore) {
106                                 system("rpm -q --whatprovides --queryformat \"%{NAME}\n\" ""\""req"'$libext'""\"")
107                         }
108                 } ' $i 2>/dev/null
109         done
110 )
111
112 # Note about above:
113 #  Use to do: system("rpm -q --whatprovides --queryformat \"%{NAME}\n\" ""\""req"'$libext'""\"")
114 #  rpmlint prefers to have lib names instead of package names.  There was a reason I was using package names but it slips me now...
115 #  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
116 #   on the package name instead.
117
118 PROVIDES=$(
119         for i in "${monolist[@]}"; do
120                 ($bindir/monodis --assembly $i | awk '
121                         BEGIN { LIBNAME=""; VERSION=""; }
122                         /^Version:/ { VERSION=$2 }
123                         /^Name:/    { LIBNAME=$2 }
124                         END {
125                                 if (VERSION && LIBNAME)
126                                         print "mono(" LIBNAME ") = " VERSION
127                         }
128                     ') 2>/dev/null
129         done
130 )
131 #
132 # This is a little magic trick to get all REQUIRES that are not
133 # in PROVIDES. While RPM functions correctly when such deps exist,
134 # they make the metadata a bit bloated.
135 #
136
137 # Filter out dups from both lists
138 REQUIRES=$(echo "$REQUIRES" | sort | uniq)
139 PROVIDES=$(echo "$PROVIDES" | sort | uniq)
140
141 #
142 # Get a list of elements that exist in exactly one of PROVIDES or REQUIRES
143 #
144 UNIQ=$(echo "$PROVIDES
145 $REQUIRES" | sort | uniq -u)
146
147 #
148 # Of those, only choose the ones that are in REQUIRES
149 #
150 echo "$UNIQ
151 $REQUIRES" | sort | uniq -d