Now using pkgconfig for library dependencies.

1 files changed, 210 insertions, 113 deletions

diff --git a/configure b/configure
index 4391f1e..a18f0a4 100755
--- a/configure
+++ b/configure
@@ -879,8 +879,12 @@ GL_CFLAGS
 GL_LIBS
 GLU_CFLAGS
 GLU_LIBS
-LIBPNG_CFLAGS
-LIBPNG_LIBS
+libneofx_CFLAGS
+libneofx_LIBS
+libpng_CFLAGS
+libpng_LIBS
+libxml2_CFLAGS
+libxml2_LIBS
 LIBOBJS
 LTLIBOBJS'
 ac_subst_files=''
@@ -901,8 +905,12 @@ F77
 FFLAGS
 PKG_CONFIG
 XMKMF
-LIBPNG_CFLAGS
-LIBPNG_LIBS'
+libneofx_CFLAGS
+libneofx_LIBS
+libpng_CFLAGS
+libpng_LIBS
+libxml2_CFLAGS
+libxml2_LIBS'
 
 
 # Initialize some variables set by options.
@@ -1523,9 +1531,17 @@ Some influential environment variables:
   FFLAGS      Fortran 77 compiler flags
   PKG_CONFIG  path to pkg-config utility
   XMKMF       Path to xmkmf, Makefile generator for X Window System
-  LIBPNG_CFLAGS
-              C compiler flags for LIBPNG, overriding pkg-config
-  LIBPNG_LIBS linker flags for LIBPNG, overriding pkg-config
+  libneofx_CFLAGS
+              C compiler flags for libneofx, overriding pkg-config
+  libneofx_LIBS
+              linker flags for libneofx, overriding pkg-config
+  libpng_CFLAGS
+              C compiler flags for libpng, overriding pkg-config
+  libpng_LIBS linker flags for libpng, overriding pkg-config
+  libxml2_CFLAGS
+              C compiler flags for libxml2, overriding pkg-config
+  libxml2_LIBS
+              linker flags for libxml2, overriding pkg-config
 
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
@@ -4276,7 +4292,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 4279 "configure"' > conftest.$ac_ext
+  echo '#line 4295 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -6945,11 +6961,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6948: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6964: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:6952: \$? = $ac_status" >&5
+   echo "$as_me:6968: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
@@ -7178,11 +7194,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7181: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7197: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7185: \$? = $ac_status" >&5
+   echo "$as_me:7201: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
@@ -7238,11 +7254,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7241: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7257: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7245: \$? = $ac_status" >&5
+   echo "$as_me:7261: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -9398,7 +9414,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 9401 "configure"
+#line 9417 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -9496,7 +9512,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 9499 "configure"
+#line 9515 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11671,11 +11687,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:11674: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:11690: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:11678: \$? = $ac_status" >&5
+   echo "$as_me:11694: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
@@ -11731,11 +11747,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:11734: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:11750: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:11738: \$? = $ac_status" >&5
+   echo "$as_me:11754: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -13074,7 +13090,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 13077 "configure"
+#line 13093 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13172,7 +13188,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 13175 "configure"
+#line 13191 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13999,11 +14015,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14002: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14018: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14006: \$? = $ac_status" >&5
+   echo "$as_me:14022: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
@@ -14059,11 +14075,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14062: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14078: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14066: \$? = $ac_status" >&5
+   echo "$as_me:14082: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -16101,11 +16117,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16104: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16120: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:16108: \$? = $ac_status" >&5
+   echo "$as_me:16124: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
@@ -16334,11 +16350,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16337: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16353: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:16341: \$? = $ac_status" >&5
+   echo "$as_me:16357: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings
@@ -16394,11 +16410,11 @@ else
    -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:16397: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:16413: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:16401: \$? = $ac_status" >&5
+   echo "$as_me:16417: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -18554,7 +18570,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 18557 "configure"
+#line 18573 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -18652,7 +18668,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 18655 "configure"
+#line 18671 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -20892,88 +20908,88 @@ echo "$as_me: error: OpenGL Utility Library not found" >&2;}
 fi
 
 
-{ echo "$as_me:$LINENO: checking for MatrixMul in -lneofx" >&5
-echo $ECHO_N "checking for MatrixMul in -lneofx... $ECHO_C" >&6; }
-if test "${ac_cv_lib_neofx_MatrixMul+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lneofx  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+pkg_failed=no
+{ echo "$as_me:$LINENO: checking for libneofx" >&5
+echo $ECHO_N "checking for libneofx... $ECHO_C" >&6; }
 
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char MatrixMul ();
-int
-main ()
-{
-return MatrixMul ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>conftest.er1
+if test -n "$PKG_CONFIG"; then
+    if test -n "$libneofx_CFLAGS"; then
+        pkg_cv_libneofx_CFLAGS="$libneofx_CFLAGS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { (echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"libneofx-0.1\"") >&5
+  ($PKG_CONFIG --exists --print-errors "libneofx-0.1") 2>&5
   ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext &&
-       $as_test_x conftest$ac_exeext; then
-  ac_cv_lib_neofx_MatrixMul=yes
+  (exit $ac_status); }; then
+  pkg_cv_libneofx_CFLAGS=`$PKG_CONFIG --cflags "libneofx-0.1" 2>/dev/null`
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_neofx_MatrixMul=no
+  pkg_failed=yes
 fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+    fi
+else
+	pkg_failed=untried
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_neofx_MatrixMul" >&5
-echo "${ECHO_T}$ac_cv_lib_neofx_MatrixMul" >&6; }
-if test $ac_cv_lib_neofx_MatrixMul = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBNEOFX 1
-_ACEOF
+if test -n "$PKG_CONFIG"; then
+    if test -n "$libneofx_LIBS"; then
+        pkg_cv_libneofx_LIBS="$libneofx_LIBS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { (echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"libneofx-0.1\"") >&5
+  ($PKG_CONFIG --exists --print-errors "libneofx-0.1") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  pkg_cv_libneofx_LIBS=`$PKG_CONFIG --libs "libneofx-0.1" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+
 
-  LIBS="-lneofx $LIBS"
 
+if test $pkg_failed = yes; then
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
 else
-  { { echo "$as_me:$LINENO: error: NeoFX Library not found" >&5
-echo "$as_me: error: NeoFX Library not found" >&2;}
-   { (exit 1); exit 1; }; }
+        _pkg_short_errors_supported=no
 fi
+        if test $_pkg_short_errors_supported = yes; then
+	        libneofx_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "libneofx-0.1"`
+        else
+	        libneofx_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libneofx-0.1"`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$libneofx_PKG_ERRORS" >&5
 
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+                { { echo "$as_me:$LINENO: error: Test for libneofx failed." >&5
+echo "$as_me: error: Test for libneofx failed." >&2;}
+   { (exit 1); exit 1; }; }
+elif test $pkg_failed = untried; then
+	{ { echo "$as_me:$LINENO: error: Test for libneofx failed." >&5
+echo "$as_me: error: Test for libneofx failed." >&2;}
+   { (exit 1); exit 1; }; }
+else
+	libneofx_CFLAGS=$pkg_cv_libneofx_CFLAGS
+	libneofx_LIBS=$pkg_cv_libneofx_LIBS
+        { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+	:
+fi
 
 pkg_failed=no
-{ echo "$as_me:$LINENO: checking for LIBPNG" >&5
-echo $ECHO_N "checking for LIBPNG... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: checking for libpng" >&5
+echo $ECHO_N "checking for libpng... $ECHO_C" >&6; }
 
 if test -n "$PKG_CONFIG"; then
-    if test -n "$LIBPNG_CFLAGS"; then
-        pkg_cv_LIBPNG_CFLAGS="$LIBPNG_CFLAGS"
+    if test -n "$libpng_CFLAGS"; then
+        pkg_cv_libpng_CFLAGS="$libpng_CFLAGS"
     else
         if test -n "$PKG_CONFIG" && \
     { (echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"libpng\"") >&5
@@ -20981,7 +20997,7 @@ if test -n "$PKG_CONFIG"; then
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
-  pkg_cv_LIBPNG_CFLAGS=`$PKG_CONFIG --cflags "libpng" 2>/dev/null`
+  pkg_cv_libpng_CFLAGS=`$PKG_CONFIG --cflags "libpng" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -20990,8 +21006,8 @@ else
 	pkg_failed=untried
 fi
 if test -n "$PKG_CONFIG"; then
-    if test -n "$LIBPNG_LIBS"; then
-        pkg_cv_LIBPNG_LIBS="$LIBPNG_LIBS"
+    if test -n "$libpng_LIBS"; then
+        pkg_cv_libpng_LIBS="$libpng_LIBS"
     else
         if test -n "$PKG_CONFIG" && \
     { (echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"libpng\"") >&5
@@ -20999,7 +21015,7 @@ if test -n "$PKG_CONFIG"; then
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; then
-  pkg_cv_LIBPNG_LIBS=`$PKG_CONFIG --libs "libpng" 2>/dev/null`
+  pkg_cv_libpng_LIBS=`$PKG_CONFIG --libs "libpng" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -21018,12 +21034,12 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LIBPNG_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "libpng"`
+	        libpng_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "libpng"`
         else
-	        LIBPNG_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libpng"`
+	        libpng_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libpng"`
         fi
 	# Put the nasty error message in config.log where it belongs
-	echo "$LIBPNG_PKG_ERRORS" >&5
+	echo "$libpng_PKG_ERRORS" >&5
 
 	{ echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; }
@@ -21035,13 +21051,87 @@ elif test $pkg_failed = untried; then
 echo "$as_me: error: Test for libpng failed." >&2;}
    { (exit 1); exit 1; }; }
 else
-	LIBPNG_CFLAGS=$pkg_cv_LIBPNG_CFLAGS
-	LIBPNG_LIBS=$pkg_cv_LIBPNG_LIBS
+	libpng_CFLAGS=$pkg_cv_libpng_CFLAGS
+	libpng_LIBS=$pkg_cv_libpng_LIBS
         { echo "$as_me:$LINENO: result: yes" >&5
 echo "${ECHO_T}yes" >&6; }
 	:
 fi
 
+pkg_failed=no
+{ echo "$as_me:$LINENO: checking for libxml2" >&5
+echo $ECHO_N "checking for libxml2... $ECHO_C" >&6; }
+
+if test -n "$PKG_CONFIG"; then
+    if test -n "$libxml2_CFLAGS"; then
+        pkg_cv_libxml2_CFLAGS="$libxml2_CFLAGS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { (echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"libxml-2.0\"") >&5
+  ($PKG_CONFIG --exists --print-errors "libxml-2.0") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  pkg_cv_libxml2_CFLAGS=`$PKG_CONFIG --cflags "libxml-2.0" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+if test -n "$PKG_CONFIG"; then
+    if test -n "$libxml2_LIBS"; then
+        pkg_cv_libxml2_LIBS="$libxml2_LIBS"
+    else
+        if test -n "$PKG_CONFIG" && \
+    { (echo "$as_me:$LINENO: \$PKG_CONFIG --exists --print-errors \"libxml-2.0\"") >&5
+  ($PKG_CONFIG --exists --print-errors "libxml-2.0") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; then
+  pkg_cv_libxml2_LIBS=`$PKG_CONFIG --libs "libxml-2.0" 2>/dev/null`
+else
+  pkg_failed=yes
+fi
+    fi
+else
+	pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+	        libxml2_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "libxml-2.0"`
+        else
+	        libxml2_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "libxml-2.0"`
+        fi
+	# Put the nasty error message in config.log where it belongs
+	echo "$libxml2_PKG_ERRORS" >&5
+
+	{ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; }
+                { { echo "$as_me:$LINENO: error: Test for libxml2 failed." >&5
+echo "$as_me: error: Test for libxml2 failed." >&2;}
+   { (exit 1); exit 1; }; }
+elif test $pkg_failed = untried; then
+	{ { echo "$as_me:$LINENO: error: Test for libxml2 failed." >&5
+echo "$as_me: error: Test for libxml2 failed." >&2;}
+   { (exit 1); exit 1; }; }
+else
+	libxml2_CFLAGS=$pkg_cv_libxml2_CFLAGS
+	libxml2_LIBS=$pkg_cv_libxml2_LIBS
+        { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+	:
+fi
 
 # Checks for header files.
 { echo "$as_me:$LINENO: checking for ANSI C header files" >&5
@@ -22001,6 +22091,8 @@ done
 
 ac_config_files="$ac_config_files Makefile"
 
+ac_config_files="$ac_config_files libzoom-0.1.pc"
+
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -22594,6 +22686,7 @@ do
     "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
     "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+    "libzoom-0.1.pc") CONFIG_FILES="$CONFIG_FILES libzoom-0.1.pc" ;;
 
   *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
 echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
@@ -22807,13 +22900,17 @@ GL_CFLAGS!$GL_CFLAGS$ac_delim
 GL_LIBS!$GL_LIBS$ac_delim
 GLU_CFLAGS!$GLU_CFLAGS$ac_delim
 GLU_LIBS!$GLU_LIBS$ac_delim
-LIBPNG_CFLAGS!$LIBPNG_CFLAGS$ac_delim
-LIBPNG_LIBS!$LIBPNG_LIBS$ac_delim
+libneofx_CFLAGS!$libneofx_CFLAGS$ac_delim
+libneofx_LIBS!$libneofx_LIBS$ac_delim
+libpng_CFLAGS!$libpng_CFLAGS$ac_delim
+libpng_LIBS!$libpng_LIBS$ac_delim
+libxml2_CFLAGS!$libxml2_CFLAGS$ac_delim
+libxml2_LIBS!$libxml2_LIBS$ac_delim
 LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 17; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 21; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5