asy 1.93

git-svn-id: svn://tug.org/texlive/trunk@17934 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 517 insertions, 20 deletions

diff --git a/Build/source/utils/asymptote/configure b/Build/source/utils/asymptote/configure
index e8552fac8df..6e9d0c7fa67 100755
--- a/Build/source/utils/asymptote/configure
+++ b/Build/source/utils/asymptote/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63 for Asymptote 1.88.
+# Generated by GNU Autoconf 2.63 for Asymptote 1.93.
 #
 # Report bugs to <http://sourceforge.net/projects/asymptote>.
 #
@@ -596,8 +596,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='Asymptote'
 PACKAGE_TARNAME='asymptote'
-PACKAGE_VERSION='1.88'
-PACKAGE_STRING='Asymptote 1.88'
+PACKAGE_VERSION='1.93'
+PACKAGE_STRING='Asymptote 1.93'
 PACKAGE_BUGREPORT='http://sourceforge.net/projects/asymptote'
 
 # Factoring default headers for most tests.
@@ -1294,7 +1294,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures Asymptote 1.88 to adapt to many kinds of systems.
+\`configure' configures Asymptote 1.93 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1355,7 +1355,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of Asymptote 1.88:";;
+     short | recursive ) echo "Configuration of Asymptote 1.93:";;
    esac
   cat <<\_ACEOF
 
@@ -1465,7 +1465,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-Asymptote configure 1.88
+Asymptote configure 1.93
 generated by GNU Autoconf 2.63
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1479,7 +1479,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by Asymptote $as_me 1.88, which was
+It was created by Asymptote $as_me 1.93, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   $ $0 $@
@@ -4023,7 +4023,7 @@ fi
 
   test -n "$TEXI2DVI" && break
 done
-test -n "$TEXI2DVI" || TEXI2DVI="echo texi2dvi is missing! Please put http://asymptote.sourceforge.net/asymptote.pdf in the doc directory; exit -1;"
+test -n "$TEXI2DVI" || TEXI2DVI="echo texi2dvi is missing! Please put http://asymptote.sourceforge.net/asymptote.pdf in the doc directory and touch doc/asymptote.pdf; exit 1;"
 
 
 
@@ -6725,7 +6725,7 @@ fi
       ;;
    *)
       GCDIR=$ac_cv_use_gc
-      GCOPTIONS="--disable-shared "
+      GCOPTIONS="--disable-shared --enable-large-config"
       { $as_echo "$as_me:$LINENO: enabling local $GCNAME $GCDIR" >&5
 $as_echo "$as_me: enabling local $GCNAME $GCDIR" >&6;}
       GCLIB="\$(GC)/.libs/libgc.a"
@@ -8798,10 +8798,155 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_LIBGLUT 1
 _ACEOF
 
-			   LIBS=$LIBS"-lfreeglut -lopengl32 "
+			   LIBS=$LIBS"-lfreeglut "
 else
-  { $as_echo "$as_me:$LINENO: *** Could not find freeglut: will compile without OpenGL support ***" >&5
-$as_echo "$as_me: *** Could not find freeglut: will compile without OpenGL support ***" >&6;}
+  { $as_echo "$as_me:$LINENO: *** Could not find libfreeglut: will compile without OpenGL support ***" >&5
+$as_echo "$as_me: *** Could not find libfreeglut: will compile without OpenGL support ***" >&6;}
+fi
+
+
+             if test "${ac_cv_header_GL_gl_h+set}" = set; then
+  { $as_echo "$as_me:$LINENO: checking for GL/gl.h" >&5
+$as_echo_n "checking for GL/gl.h... " >&6; }
+if test "${ac_cv_header_GL_gl_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_gl_h" >&5
+$as_echo "$ac_cv_header_GL_gl_h" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking GL/gl.h usability" >&5
+$as_echo_n "checking GL/gl.h usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <GL/gl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking GL/gl.h presence" >&5
+$as_echo_n "checking GL/gl.h presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <GL/gl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: GL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: GL/gl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: GL/gl.h: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: GL/gl.h:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: GL/gl.h: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: GL/gl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: GL/gl.h: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: GL/gl.h: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: GL/gl.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## -------------------------------------------------------- ##
+## Report this to http://sourceforge.net/projects/asymptote ##
+## -------------------------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for GL/gl.h" >&5
+$as_echo_n "checking for GL/gl.h... " >&6; }
+if test "${ac_cv_header_GL_gl_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_header_GL_gl_h=$ac_header_preproc
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_GL_gl_h" >&5
+$as_echo "$ac_cv_header_GL_gl_h" >&6; }
+
+fi
+if test "x$ac_cv_header_GL_gl_h" = x""yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_LIBGL 1
+_ACEOF
+
+			   LIBS=$LIBS"-lopengl32 "
+else
+  { $as_echo "$as_me:$LINENO: *** Could not find libopengl32: will compile without OpenGL support ***" >&5
+$as_echo "$as_me: *** Could not find libopengl32: will compile without OpenGL support ***" >&6;}
 fi
 
 
@@ -8882,7 +9027,289 @@ $as_echo "$as_me: *** Could not find libglu32: will compile without OpenGL suppo
 fi
 
         ;;
-     darwin*) if test "${ac_cv_header_GLUT_glut_h+set}" = set; then
+     darwin*) if test "${ac_cv_header_OpenGL_gl_h+set}" = set; then
+  { $as_echo "$as_me:$LINENO: checking for OpenGL/gl.h" >&5
+$as_echo_n "checking for OpenGL/gl.h... " >&6; }
+if test "${ac_cv_header_OpenGL_gl_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_OpenGL_gl_h" >&5
+$as_echo "$ac_cv_header_OpenGL_gl_h" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking OpenGL/gl.h usability" >&5
+$as_echo_n "checking OpenGL/gl.h usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <OpenGL/gl.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking OpenGL/gl.h presence" >&5
+$as_echo_n "checking OpenGL/gl.h presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <OpenGL/gl.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/gl.h: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: OpenGL/gl.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## -------------------------------------------------------- ##
+## Report this to http://sourceforge.net/projects/asymptote ##
+## -------------------------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for OpenGL/gl.h" >&5
+$as_echo_n "checking for OpenGL/gl.h... " >&6; }
+if test "${ac_cv_header_OpenGL_gl_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_header_OpenGL_gl_h=$ac_header_preproc
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_OpenGL_gl_h" >&5
+$as_echo "$ac_cv_header_OpenGL_gl_h" >&6; }
+
+fi
+if test "x$ac_cv_header_OpenGL_gl_h" = x""yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_LIBGL 1
+_ACEOF
+
+fi
+
+
+              if test "${ac_cv_header_OpenGL_glu_h+set}" = set; then
+  { $as_echo "$as_me:$LINENO: checking for OpenGL/glu.h" >&5
+$as_echo_n "checking for OpenGL/glu.h... " >&6; }
+if test "${ac_cv_header_OpenGL_glu_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_OpenGL_glu_h" >&5
+$as_echo "$ac_cv_header_OpenGL_glu_h" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:$LINENO: checking OpenGL/glu.h usability" >&5
+$as_echo_n "checking OpenGL/glu.h usability... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <OpenGL/glu.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:$LINENO: checking OpenGL/glu.h presence" >&5
+$as_echo_n "checking OpenGL/glu.h presence... " >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <OpenGL/glu.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in
+  yes:no: )
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h: proceeding with the preprocessor's result" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h: proceeding with the preprocessor's result" >&2;}
+    { $as_echo "$as_me:$LINENO: WARNING: OpenGL/glu.h: in the future, the compiler will take precedence" >&5
+$as_echo "$as_me: WARNING: OpenGL/glu.h: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## -------------------------------------------------------- ##
+## Report this to http://sourceforge.net/projects/asymptote ##
+## -------------------------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ $as_echo "$as_me:$LINENO: checking for OpenGL/glu.h" >&5
+$as_echo_n "checking for OpenGL/glu.h... " >&6; }
+if test "${ac_cv_header_OpenGL_glu_h+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_header_OpenGL_glu_h=$ac_header_preproc
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_OpenGL_glu_h" >&5
+$as_echo "$ac_cv_header_OpenGL_glu_h" >&6; }
+
+fi
+if test "x$ac_cv_header_OpenGL_glu_h" = x""yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_LIBGLU 1
+_ACEOF
+
+fi
+
+
+              if test "${ac_cv_header_GLUT_glut_h+set}" = set; then
   { $as_echo "$as_me:$LINENO: checking for GLUT/glut.h" >&5
 $as_echo_n "checking for GLUT/glut.h... " >&6; }
 if test "${ac_cv_header_GLUT_glut_h+set}" = set; then
@@ -9020,11 +9447,6 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_LIBGLUT 1
 _ACEOF
 
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_LIBGLU 1
-_ACEOF
-
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -9244,6 +9666,81 @@ else
 $as_echo "$as_me: *** Could not find libGLU: will compile without OpenGL support ***" >&6;}
 fi
 
+
+{ $as_echo "$as_me:$LINENO: checking for glDepthMask in -lGL" >&5
+$as_echo_n "checking for glDepthMask in -lGL... " >&6; }
+if test "${ac_cv_lib_GL_glDepthMask+set}" = set; then
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lGL  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* 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 glDepthMask ();
+int
+main ()
+{
+return glDepthMask ();
+  ;
+  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=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
+$as_echo "$ac_try_echo") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then
+  ac_cv_lib_GL_glDepthMask=yes
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_GL_glDepthMask=no
+fi
+
+rm -rf conftest.dSYM
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_GL_glDepthMask" >&5
+$as_echo "$ac_cv_lib_GL_glDepthMask" >&6; }
+if test "x$ac_cv_lib_GL_glDepthMask" = x""yes; then
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBGL 1
+_ACEOF
+
+  LIBS="-lGL $LIBS"
+
+fi
+
 esac
 fi
 
@@ -11522,7 +12019,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by Asymptote $as_me 1.88, which was
+This file was extended by Asymptote $as_me 1.93, which was
 generated by GNU Autoconf 2.63.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -11581,7 +12078,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-Asymptote config.status 1.88
+Asymptote config.status 1.93
 configured by $0, generated by GNU Autoconf 2.63,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"