2003-05-25 20:26:48 +00:00
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# GL_DEVEL()
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2003-05-23 05:30:00 +00:00
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#
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2003-05-25 20:26:48 +00:00
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# Check for the presence of OpenGL development headers and libraries.
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# Sets the GL_CFLAGS and GL_LIBS variables as appropriate.
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AC_DEFUN([GL_DEVEL],
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2003-05-23 05:30:00 +00:00
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[
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AC_REQUIRE([X11_DEVEL])
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# Store these
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OLDLIBS=$LIBS
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OLDCPPFLAGS=$CPPFLAGS
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2003-05-25 20:26:48 +00:00
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AC_CHECK_LIB([GL], [glXGetConfig],
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,
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[
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AC_MSG_ERROR([A valid libGL could not be found.])
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])
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CPPFLAGS="$CPPFLAGS $X_CFLAGS"
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LIBS="$LIBS $X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS"
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AC_MSG_CHECKING([if we can compile with GL])
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AC_TRY_LINK(
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[
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#include <GL/gl.h>
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],
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[
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GLfloat f = 0.0;
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glVertex3f(f, f, f);
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],
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[
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AC_MSG_RESULT([yes])
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],
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[
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AC_MSG_RESULT([no])
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AC_MSG_ERROR([Could not compile against GL])
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])
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2003-05-23 05:30:00 +00:00
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2003-05-25 20:26:48 +00:00
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GL_CFLAGS=""
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GL_LIBS="-lGL"
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AC_SUBST(GL_CFLAGS)
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AC_SUBST(GL_LIBS)
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2003-05-23 05:30:00 +00:00
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CPPFLAGS=$OLDCPPFLAGS
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LIBS=$OLDLIBS
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])
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