# ------------------
#     openexr
# ------------------
# $Id: openexr.sh 2004 2007-05-11 00:17:50Z ippei $
# Copyright (c) 2007, Ippei Ukai


# prepare

# export REPOSITORYDIR="/PATH2HUGIN/mac/ExternalPrograms/repository" \
# ARCHS="ppc i386" \
# ppcTARGET="powerpc-apple-darwin7" \
#  ppcONLYARG="-mcpu=G3 -mtune=G4" \
#  ppcMACSDKDIR="/Developer/SDKs/MacOSX10.4u.sdk" \
# i386TARGET="i386-apple-darwin8" \
#  i386MACSDKDIR="/Developer/SDKs/MacOSX10.3.9.sdk" \
#  i386ONLYARG="-mfpmath=sse -msse2 -mtune=pentium-m -ftree-vectorize" \
# OTHERARGs="";

# -------------------------------
# 20091206.0 sg Script tested and used to build 2009.4.0-RC3
# 20100624.0 hvdw More robust error checking on compilation
# -------------------------------

# init

fail()
{
        echo "** Failed at $1 **"
        exit 1
}

let NUMARCH="0"

for i in $ARCHS
do
  NUMARCH=$(($NUMARCH + 1))
done

mkdir -p "$REPOSITORYDIR/bin";
mkdir -p "$REPOSITORYDIR/lib";
mkdir -p "$REPOSITORYDIR/include";


g++ "./Half/eLut.cpp" -o "./Half/eLut-native"
g++ "./Half/toFloat.cpp" -o "./Half/toFloat-native"

[ -f "./Half/Makefile.in-original" ] || mv "./Half/Makefile.in" "./Half/Makefile.in-original"
sed -e 's/\.\/eLut/\.\/eLut-native/' \
    -e 's/\.\/toFloat/\.\/toFloat-native/' \
    "./Half/Makefile.in-original" > "./Half/Makefile.in"

# compile

ILMVER_M="6"
ILMVER_FULL="$ILMVER_M.0.0"

for ARCH in $ARCHS
do

 mkdir -p "$REPOSITORYDIR/arch/$ARCH/bin";
 mkdir -p "$REPOSITORYDIR/arch/$ARCH/lib";
 mkdir -p "$REPOSITORYDIR/arch/$ARCH/include";

 ARCHARGs=""
 MACSDKDIR=""

 if [ $ARCH = "i386" -o $ARCH = "i686" ] ; then
   TARGET=$i386TARGET
   MACSDKDIR=$i386MACSDKDIR
   ARCHARGs="$i386ONLYARG"
   OSVERSION="$i386OSVERSION"
   CC=$i386CC
   CXX=$i386CXX
 elif [ $ARCH = "ppc" -o $ARCH = "ppc750" -o $ARCH = "ppc7400" ] ; then
   TARGET=$ppcTARGET
   MACSDKDIR=$ppcMACSDKDIR
   ARCHARGs="$ppcONLYARG"
   OSVERSION="$ppcOSVERSION"
   CC=$ppcCC
   CXX=$ppcCXX
 elif [ $ARCH = "ppc64" -o $ARCH = "ppc970" ] ; then
   TARGET=$ppc64TARGET
   MACSDKDIR=$ppc64MACSDKDIR
   ARCHARGs="$ppc64ONLYARG"
   OSVERSION="$ppc64OSVERSION"
   CC=$ppc64CC
   CXX=$ppc64CXX
 elif [ $ARCH = "x86_64" ] ; then
   TARGET=$x64TARGET
   MACSDKDIR=$x64MACSDKDIR
   ARCHARGs="$x64ONLYARG"
   OSVERSION="$x64OSVERSION"
   CC=$x64CC
   CXX=$x64CXX
 fi

 env \
  CC=$CC CXX=$CXX \
  CFLAGS="-isysroot $MACSDKDIR -arch $ARCH $ARCHARGs $OTHERARGs -O3 -dead_strip" \
  CXXFLAGS="-isysroot $MACSDKDIR -arch $ARCH $ARCHARGs $OTHERARGs -O3 -dead_strip" \
  CPPFLAGS="-I$REPOSITORYDIR/include" \
  LDFLAGS="-L$REPOSITORYDIR/lib -mmacosx-version-min=$OSVERSION -dead_strip" \
  NEXT_ROOT="$MACSDKDIR" \
  PKG_CONFIG_PATH="$REPOSITORYDIR/lib/pkgconfig" \
  ./configure --prefix="$REPOSITORYDIR" --disable-dependency-tracking \
  --host="$TARGET" --exec-prefix=$REPOSITORYDIR/arch/$ARCH \
  --enable-shared --enable-static --cache-file=./$ARCHcache \
  || fail "configure step for $ARCH";

 [ -f "libtool-bk" ] || mv "libtool" "libtool-bk"; # just move it once, fix it many times
 sed -e "s#-dynamiclib#-dynamiclib -arch $ARCH -isysroot $MACSDKDIR#g" libtool-bk > libtool;
 chmod +x libtool

 #hack for apple-gcc 4.2
 if [ ${CC#*-} = 4.2 ] ; then
   for dir in Half Iex IlmThread Imath
   do
     mv $dir/Makefile $dir/Makefile.bk
     sed 's/-Wno-long-double//g' $dir/Makefile.bk > $dir/Makefile
   done
 fi

 make clean;
 make $OTHERMAKEARGs all || fail "failed at make step of $ARCH";
 make install || fail "make install step of $ARCH";

done


# merge

LIBNAMES="IlmThread Imath Iex Half"

for liba in $(for libname in $LIBNAMES; do echo "lib/lib$libname.a lib/lib$libname.$ILMVER_FULL.dylib "; done)
do

 if [ $NUMARCH -eq 1 ] ; then
   if [ -f $REPOSITORYDIR/arch/$ARCHS/$liba ] ; then
		 echo "Moving arch/$ARCHS/$liba to $liba"
  	 mv "$REPOSITORYDIR/arch/$ARCHS/$liba" "$REPOSITORYDIR/$liba";
	   #Power programming: if filename ends in "a" then ...
	   [ ${liba##*.} = a ] && ranlib "$REPOSITORYDIR/$liba";
  	 continue
	 else
		 echo "Program arch/$ARCHS/$liba not found. Aborting build";
		 exit 1;
	 fi
 fi

 LIPOARGs=""
 
 for ARCH in $ARCHS
 do
	if [ -f $REPOSITORYDIR/arch/$ARCH/$liba ] ; then
		echo "Adding arch/$ARCH/$liba to bundle"
		LIPOARGs="$LIPOARGs $REPOSITORYDIR/arch/$ARCH/$liba"
	else
		echo "File arch/$ARCH/$liba was not found. Aborting build";
		exit 1;
	fi
 done

 lipo $LIPOARGs -create -output "$REPOSITORYDIR/$liba";
 #Power programming: if filename ends in "a" then ...
 [ ${liba##*.} = a ] && ranlib "$REPOSITORYDIR/$liba";

done


for libname in $LIBNAMES
do
 if [ -f "$REPOSITORYDIR/lib/lib$libname.$ILMVER_FULL.dylib" ]
 then
  install_name_tool -id "$REPOSITORYDIR/lib/lib$libname.$ILMVER_M.dylib" "$REPOSITORYDIR/lib/lib$libname.$ILMVER_FULL.dylib";
  
  for ARCH in $ARCHS
  do
   for libname_two in $LIBNAMES
   do
    install_name_tool \
     -change "$REPOSITORYDIR/arch/$ARCH/lib/lib$libname_two.$ILMVER_M.dylib" \
        "$REPOSITORYDIR/lib/lib$libname_two.$ILMVER_M.dylib" \
        "$REPOSITORYDIR/lib/lib$libname.$ILMVER_FULL.dylib";
   done
  done

  ln -sfn "lib$libname.$ILMVER_FULL.dylib" "$REPOSITORYDIR/lib/lib$libname.$ILMVER_M.dylib";
  ln -sfn "lib$libname.$ILMVER_FULL.dylib" "$REPOSITORYDIR/lib/lib$libname.dylib";
 fi
done


#pkgconfig

for ARCH in $ARCHS
do
 mkdir -p "$REPOSITORYDIR/lib/pkgconfig";
 sed 's/^exec_prefix.*$/exec_prefix=\$\{prefix\}/' "$REPOSITORYDIR/arch/$ARCH/lib/pkgconfig/IlmBase.pc" > "$REPOSITORYDIR/lib/pkgconfig/IlmBase.pc";
 break;
done
