_lib is set to "lib" or "lib64" in the spec file

================================================================================

--- configure.in

+++ configure.in

@@ -29,6 +29,7 @@

 AC_SUBST(OPTFLAGS)

 DEPLIBS=

 AC_SUBST(DEPLIBS)

+test -z "$_lib" && _lib=lib

 dnl AS_15_01_2005: Added Variable SHLIBEXT which contains extensions of shared libaries

 SHLIBEXT=so

@@ -110,15 +111,15 @@

  	for dir in $SEARCHPATH /usr/local/freetype /usr/local /opt/freetype /usr/pkg /usr /usr/include/freetype1; do

  		ac_cv_ft_lib=no

  		ac_cv_ft_include=no

-		shlib=`echo $dir/lib/libttf.$SHLIBEXT* | head -n 1 | sed -e 's/.*\///'`

+		shlib=`echo $dir/$_lib/libttf.$SHLIBEXT* | head -n 1 | sed -e 's/.*\///'`

 		if test x$shlib = x; then

 			shlib=no

 		fi

-		if test -d $dir/lib -a -f $dir/lib/$shlib; then

- 			ac_cv_ft_lib="$dir/lib"

+		if test -d $dir/$_lib -a -f $dir/$_lib/$shlib; then

+ 			ac_cv_ft_lib="$dir/$_lib"

  			ac_cv_ft_libpath="$shlib"

- 		elif test -d $dir/lib -a -f $dir/lib/libttf.a; then

- 			ac_cv_ft_lib="$dir/lib"

+ 		elif test -d $dir/lib -a -f $dir/$_lib/libttf.a; then

+ 			ac_cv_ft_lib="$dir/$_lib"

  			ac_cv_ft_libpath="libttf.a"

  		fi

  		if test -d $dir/include -a -f $dir/include/freetype.h; then

@@ -172,27 +173,27 @@

 		ac_cv_vf_libname=VFlib

 		ac_cv_vf_libdir=no

 		ac_cv_vf_hdrdir=no

-		shlib1=`echo $dir/lib/libVFlib.so* | head -n 1 | sed -e 's/.*\///'`

-		shlib2=`echo $dir/lib/libVFlib2.so* | head -n 1 | sed -e 's/.*\///'`

+		shlib1=`echo $dir/$_lib/libVFlib.so* | head -n 1 | sed -e 's/.*\///'`

+		shlib2=`echo $dir/$_lib/libVFlib2.so* | head -n 1 | sed -e 's/.*\///'`

 		if test x$shlib1 = x; then

 			$shlib1=no

 		fi

 		if test x$shlib2 = x; then

 			$shlib2=no

 		fi

-		if test -d $dir/lib -a -f $dir/lib/$shlib1; then

-			ac_cv_vf_libdir="$dir/lib"

+		if test -d $dir/$_lib -a -f $dir/$_lib/$shlib1; then

+			ac_cv_vf_libdir="$dir/$_lib"

  			ac_cv_vf_libpath=$shlib1

-		elif test -d $dir/lib -a -f $dir/lib/libVFlib.a; then

-			ac_cv_vf_libdir="$dir/lib"

+		elif test -d $dir/$_lib -a -f $dir/$_lib/libVFlib.a; then

+			ac_cv_vf_libdir="$dir/$_lib"

 			ac_cv_vf_libpath="libVFlib.a"

-		elif test -d $dir/lib -a -f $dir/lib/$shlib2; then

+		elif test -d $dir/$_lib -a -f $dir/$_lib/$shlib2; then

 			ac_cv_vf_libname=VFlib2

-			ac_cv_vf_libdir="$dir/lib"

+			ac_cv_vf_libdir="$dir/$_lib"

  			ac_cv_vf_libpath=$shlib2

-		elif test -d $dir/lib -a -f $dir/lib/libVFlib2.a; then

+		elif test -d $dir/$_lib -a -f $dir/$_lib/libVFlib2.a; then

 			ac_cv_vf_libname=VFlib2

-			ac_cv_vf_libdir="$dir/lib"

+			ac_cv_vf_libdir="$dir/$_lib"

 			ac_cv_vf_libpath="libVFlib2.a"

 		fi

 		if test -d $dir/include -a -f $dir/include/VF.h; then

@@ -279,14 +280,14 @@

 if test "$use_libpng" = ""; then

 for i in $SEARCHPATH /usr/pkg /usr/local /usr; do

 	if test -f $i/include/png.h; then 

-		if test -f $i/lib/libpng.a ; then

-			DEPLIBS="$DEPLIBS $i/lib/libpng.a"

-		elif test -f $i/lib/libpng.so ; then

-			DEPLIBS="$DEPLIBS $i/lib/libpng.so"

+		if test -f $i/$_lib/libpng.a ; then

+			DEPLIBS="$DEPLIBS $i/$_lib/libpng.a"

+		elif test -f $i/$_lib/libpng.so ; then

+			DEPLIBS="$DEPLIBS $i/$_lib/libpng.so"

 		else

 			break;

 		fi

-		LIBS="$LIBS -L$i/lib"

+		LIBS="$LIBS -L$i/$_lib"

 		OPTFLAGS="$OPTFLAGS -I$i/include"

 		AC_CHECK_LIB(png, png_read_image, 

 			[LIBS="$LIBS -lpng"

@@ -302,14 +303,14 @@

 for i in /usr/pkg /usr/local /usr; do

 	if test -f $i/include/libmng.h; then 

-		if test -f $i/lib/libmng.a ; then

-			DEPLIBS="$DEPLIBS $i/lib/libmng.a"

-		elif test -f $i/lib/libmng.so ; then

-			DEPLIBS="$DEPLIBS $i/lib/libmng.so"

+		if test -f $i/$_lib/libmng.a ; then

+			DEPLIBS="$DEPLIBS $i/$_lib/libmng.a"

+		elif test -f $i/$_lib/libmng.so ; then

+			DEPLIBS="$DEPLIBS $i/$_lib/libmng.so"

 		else

 			break;

 		fi

-		LIBS="$LIBS -L$i/lib"

+		LIBS="$LIBS -L$i/$_lib"

 		OPTFLAGS="$OPTFLAGS -I$i/include"

 		AC_CHECK_LIB(mng, mng_initialize, 

 			[LIBS="$LIBS -lmng"