1 files changed, 0 insertions, 74 deletions
diff --git a/m4/opengl.m4 b/m4/opengl.m4
deleted file mode 100644
index f718fc848..000000000
--- a/m4/opengl.m4
+++ /dev/null
@@ -1,74 +0,0 @@
-dnl
-dnl Check for OpenGL & GLU
-dnl
-dnl AM_PATH_OPENGL([ACTION IF FOUND [, ACTION IF NOT FOUND]])
-dnl
-
-AC_DEFUN([AM_PATH_OPENGL], [
-
-  AC_ARG_ENABLE(opengl, AS_HELP_STRING([--disable-opengl], [do not build OpenGL plugin]),
-    [enableopengl=$enableval],
-    [enableopengl="yes"]
-  )
-  AC_ARG_ENABLE(glu, AS_HELP_STRING([--disable-glu], [build OpenGL plugin without GLU (no verbose errors)]),
-    [enableglu=$enableval],
-    [enableglu="yes"]
-  )
-
-  if test x$enableopengl = "xyes"; then
-    AC_CHECK_LIB(GL, glBegin,
-      [AC_CHECK_LIB(m, tan,
-        [AC_CHECK_HEADER(GL/gl.h,
-          [ac_have_opengl="yes"
-            OPENGL_LIBS="-lGL -lm"
-            AC_DEFINE(HAVE_OPENGL,1,[Define this if you have OpenGL support available])
-            dnl
-            dnl need to check with some test if this linking with -lGLU actually works...
-            dnl check for GLU
-            dnl
-            if test x$enableglu = "xyes"; then
-              AC_CHECK_LIB(GLU, gluPerspective,
-                [AC_CHECK_HEADER(GL/glu.h,
-                  [AC_MSG_CHECKING([if GLU is sane])
-                    ac_save_LIBS="$LIBS"
-                    LIBS="$X_LIBS $XPRE_LIBS $OPENGL_LIBS -lGLU $X_EXTRA_LIBS"
-                    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <GL/gl.h>
-#include <GL/glu.h>]], [[ gluPerspective(45.0f,1.33f,1.0f,1000.0f); glBegin(GL_POINTS); glEnd(); return 0 ]])],
-                      [ ac_have_glu="yes"
-                        GLU_LIBS="-lGLU"
-                        AC_DEFINE(HAVE_GLU,1,[Define this if you have GLU support available])
-                        AC_MSG_RESULT(yes)],
-                      [ AC_MSG_RESULT(no)
-                        echo "*** GLU doesn't link with GL; GLU is disabled ***"])
-                    LIBS="$ac_save_LIBS"]
-                )],
-                [],
-                [$X_LIBS $X_PRE_LIBS $OPENGL_LIBS -lGLU $X_EXTRA_LIBS]
-              )
-            fi
-          ]
-        )],
-        [],
-        [$X_LIBS $X_PRE_LIBS -lGL -lm $X_EXTRA_LIBS]
-      )],
-      [],
-      [$X_LIBS $X_PRE_LIBS $X_EXTRA_LIBS]
-    )
-    if test x$ac_have_opengl = "xyes"; then
-      ac_use_opengl=yes
-    fi
-  fi
-
-  AC_SUBST(OPENGL_CFLAGS)
-  AC_SUBST(OPENGL_LIBS)
-  AC_SUBST(GLU_LIBS)
-  AM_CONDITIONAL(HAVE_OPENGL, [test x$ac_use_opengl = "xyes"])
-
-  dnl result
-  if test x$ac_use_opengl = "xyes"; then
-    ifelse([$1], , :, [$1])
-  else
-    ifelse([$2], , :, [$2])
-  fi
-
-])