mingw/bin/a2dll

   1 #!/bin/sh
   2
   3 # This is a2dll 1.0
   4 # (c)1999-2000 Paul Sokolovsky
   5 # a2dll is distrubuted under GNU General Public License, see http://www.gnu.org
   6
   7
   8 usage() {
   9         echo 'a2dll 1.0: convert static library into win32 dll'
  10         echo '  by <Paul.Sokolovsky@technologist.com>'
  11         echo 'Usage: a2dll <staticlib> [-o <dllname>] [linker commands:-L,-l,-s] [--relink]'
  12         exit 0
  13 }
  14
  15
  16 cmdline=$@
  17
  18 while test $# -ge 1
  19 do
  20 case "$1" in
  21     -\? | -h* | --h*) usage;;
  22     -o ) out="$2"; shift; shift;;
  23     --relink) relink=1; shift;;
  24     -* ) libs="$libs $1"; shift;;
  25     *) in=$1; shift;;
  26     esac
  27 done
  28
  29 if [ "$in" = "" ]
  30 then
  31         usage
  32 fi
  33
  34 base=`basename $in .a`
  35
  36 if [ "$out" = "" ]
  37 then
  38         out=`awk -v n=$base 'BEGIN {print substr(n,4); exit;}'`.dll
  39 fi
  40
  41 if [ "$relink" != "1" ]
  42 then
  43         rm -f .dll/*
  44         /usr/bin/mkdir -p .dll
  45         cd .dll
  46         ar x ../$in
  47 else
  48         cd .dll
  49 fi
  50
  51 echo Creating shared library \'$out\'
  52
  53 dllwrap --export-all -o ../$out `ls` $libs >../ld.err 2>&1
  54
  55 cd ..
  56 if [ `wc ld.err|awk ' {print $1}' ` -gt 2 ]
  57 then
  58         echo Linking error, consult file \'ld.err\', correct errors, and run
  59         echo \'$0 $cmdline --relink\'
  60         exit 1
  61 else
  62 # cleanup
  63
  64         rm -f ld.err
  65         rm -f .dll/*
  66         /usr/bin/rmdir .dll
  67
  68 # create .def
  69 # we use pexports on dll instead of dlltool on objects for this,
  70 # because it's:
  71 # 1. faster
  72 # 2. I just saw that dlltool lies about assembly-sourced files, it
  73 #    lists their symbols as data
  74
  75         pexports $out >$base.def
  76
  77 # create import library
  78
  79         mv $in $in.static
  80         dlltool --dllname $out --def $base.def --output-lib $in
  81
  82 # finally, we check whether dll exports data symbols
  83 # if yes, we suggest user on steps to perform
  84
  85         pexports $out | awk '/DATA/ { print $1}' >$out.data
  86         if test -s $out.data
  87         then
  88                 echo
  89                 echo Shared library exports data symbols, they are listed \
  90 in \'$out.data\'. For using them in client application, you should mark \
  91 them as __declspec\(dllimport\) in library headers. You can quickly \
  92 find places where these data symbols declared by issuing
  93                 echo
  94                 echo "  grep -f $out.data *.h"
  95                 echo
  96                 echo in library header directory. Also note that this step is optional, you can postpone \
  97 it until you\'ll get during linking unresolved symbol _imp__\<something\>, where \
  98 \<something\> is one of the symbols listed in $out.data. Read documentation \
  99 \(static2dll_howto.txt\) for more information.
 100         else
 101                 rm $out.data
 102         fi
 103         rm $base.def
 104 fi