#!/bin/sh
#
# Running 'binary-dist' gives us a tree which isn't quite right
# for the purposes of creating a mingw/win32 install tree.  
# This script rejigs that tree. The resulting tree is ready for
# packaging up in whatever form convenient (MSI installer / tar bundle/ ..)
#
# To use:
#
#   foo$ cd <top of fptools build tree>
#   foo$ make binary-dist Project=Ghc  (*)
#   foo$ cd ghc-<version>
#   foo$ ../distrib/prep-bin-dist-mingw
#
#  * - making sure you've initially set BIN_DIST=1 in 
#      your build.mk ...
# 
# User tweakables 
#   (settable via environment variables, e.g.,
#      mingw_top=<whatever> ../distrib/prep-bin-dist-mingw
#   )
#
#    - mingw_top   -- location of mingw distribution tree
#    - old_ghc_top -- top of existing GHC binary diste tree
#                     (needed just to copy along perl binary.)
#
#    - gcc_version -- what gcc version your mingw tree uses.
#
#
if [ "x${old_ghc_top}" == "x" ]; then
    export old_ghc_top=c:/ghc/ghc-6.2.1
fi
if [ "x${mingw_top}" == "x" ]; then
 export mingw_top=c:/mingw3
fi

# The gcc-lib directory of the mingw tree you want to
# include with the binary dist.
if [ "x${gcc_lib}" == "x" ]; then
 if [ "x${gcc_version}" == "x" ]; then
   # The default (with mingw3)
   export gcc_lib=$mingw_top/lib/gcc-lib/mingw32/3.2.3
 else
   export gcc_lib=$mingw_top/lib/gcc-lib/mingw32/${gcc_version}
 fi
fi
if [ "x${gcc_libexec}" == "x" ]; then
 if [ "x${gcc_version}" == "x" ]; then
   # The default (with mingw3)
   export gcc_libexec=$mingw_top/lib/gcc-lib/mingw32/3.2.3
 else
   if [ -d $mingw_top/lib/gcc-lib/mingw32/${gcc_version} ]; then
     export gcc_libexec=$mingw_top/lib/gcc-lib/mingw32/${gcc_version}
   elif [ -d $mingw_top/libexec/gcc/mingw32/${gcc_version} ]; then
     export gcc_libexec=$mingw_top/libexec/gcc/mingw32/${gcc_version}
   else
     echo "WARNING: Unable to determine location of your gcc 'libexec' directory"
     export gcc_libexec=$mingw_top/lib/gcc-lib/mingw32/${gcc_version}
   fi
 fi
fi

#Directory where a (cygwin-free) perl binary resides.
if [ "x${perl_dir}" == "x" ]; then
  export perl_dir=$old_ghc_top
fi

#
# The mingw include, lib, and bin directories; all derived
# from ${mingw_top}.
#
if [ "x${mingw_include}" == "x" ]; then
  export mingw_include=$mingw_top/include
fi
if [ "x${mingw_lib}" == "x" ]; then
  export mingw_lib=$mingw_top/lib
fi
if [ "x${mingw_bin}" == "x" ]; then
  export mingw_bin=$mingw_top/bin
fi

# Check that we're in an OK place before starting to re-org
# the directory tree..
if ! [ -d bin/i386-unknown-mingw32 ] ; then
  echo "Doesn't look as if I'm in the toplevel directory of a mingw tree"
  echo "Usage: cd ghc-<version> ; ../distrib/prep-bin-dist-mingw"
  exit 1;
fi;

echo "Removing configure script files...not needed"
rm -f config.guess config.sub configure configure.ac mkdirhier
rm -f Makefile-bin.in Makefile.in aclocal.m4 install-sh
rm -rf autom4te.cache

echo "rejig bin/"
mv bin/i386-unknown-mingw32/* bin/
rmdir bin/i386-unknown-mingw32
strip bin/ghc.exe

echo "rejig lib/"
mv lib/i386-unknown-mingw32/include/* include/ 
rmdir lib/i386-unknown-mingw32/include
mv lib/i386-unknown-mingw32/* .
rmdir lib/i386-unknown-mingw32
rmdir lib
mv ghc-asm.prl ghc-asm
mv ghc-split.prl ghc-split

echo "create gcc-lib/"
#
# A bunch of stuff gets lumped into gcc-lib:
#
#  - the gcc-lib/ + gcc-lib/include of the gcc you
#    intend to ship (normally located as 
#     lib/gcc-lib/mingw/<gcc version>/ in your mingw tree.)
#  - the contents of mingw/lib/ 
#  - ld.exe, as.exe, dlltool.exe, dllwrap.exe from mingw/bin
#    to gcc-lib/
#  - ar.exe from mingw/bin to bin/
#
mkdir gcc-lib
mkdir gcc-lib/include
cp $gcc_lib/* gcc-lib/
cp $gcc_libexec/* gcc-lib/
cp $gcc_lib/include/* gcc-lib/include/
cp $mingw_lib/* gcc-lib/
cp $mingw_bin/as.exe gcc-lib/
cp $mingw_bin/ld.exe gcc-lib/
cp $mingw_bin/ar.exe bin/
# Note: later versions of dlltool.exe depend on a bfd helper DLL.
cp $mingw_bin/dllwrap.exe gcc-lib/
cp $mingw_bin/dlltool.exe gcc-lib/
# Remove worthy, but unused tools
rm gcc-lib/f771.exe || echo "good - f771.exe not found"
rm gcc-lib/gnat1.exe || echo "good - gnat1.exe not found"
rm gcc-lib/jc1.exe || echo "good - jc1.exe not found"
rm gcc-lib/libgcj* || echo "good - libgcj libs not found"
rm gcc-lib/jvgenmain.exe || echo "good - jvgenmain.exe not found"

echo "extra header files inside of include/"
#
# contains mingw/include
mkdir include/mingw
cp -Rf $mingw_include/* include/mingw
#
# g++-3/ subdir causes problems with installer tool (+ being a 
# troublesome character); leave out for now.
#rm -rf include/mingw/g++-3/ || echo "g++-3/ not there"
rm -rf include/mingw/c++/ || echo "c++/ not there"
rm -rf include/mingw/ddk/ || echo "ddk/ not there"
rm -rf include/mingw/gnu/ || echo "gnu/ not there"
rm -rf include/mingw/javax/ || echo "javax/ not there"
rm -rf include/mingw/java/ || echo "java/ not there"
rm -rf include/mingw/gcj/ || echo "gcj/ not there"

echo "add gcc"
cp ${mingw_bin}/gcc.exe .
#cp ${mingw_bin}/gcc-2.exe gcc.exe

echo "copy in perl too"
cp ${perl_dir}/perl.exe .
cp ${perl_dir}/perl56.dll .

# For reasons unknown, duplicate copies of misc package files in share/
# (leave them be for now.)

echo "formatting documentation"
cp README README.txt
mv share doc

# Leave out pdf users_guide documentation for now; problematic to build with the versions
# of 'xsltproc' and 'fop' I've been able to lay my hands on.
#cp ../ghc/docs/users_guide/users_guide.pdf doc/ || 
#  (make -C ../ghc/docs/users_guide/ pdf ; cp ../ghc/docs/users_guide/users_guide.pdf doc/) || 
#  echo "No User Guide PDF doc found"
#cp ../hslibs/doc/hslibs.pdf doc/ || 
#  (make -C ../hslibs/doc/ pdf ; cp ../hslibs/doc/hslibs.pdf doc/) ||
#  echo "No HSLIBS PDF doc found"