50 lines
2 KiB
CMake
50 lines
2 KiB
CMake
# Checks for OpenGL and GLUT support
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#
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# Copyright © 2015 Open Microscopy Environment / University of Dundee
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# Copyright © 2021 Roger Leigh <rleigh@codelibre.net>
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# Written by Roger Leigh <rleigh@codelibre.net>
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#
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# Permission to use, copy, modify, distribute, and sell this software and
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# its documentation for any purpose is hereby granted without fee, provided
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# that (i) the above copyright notices and this permission notice appear in
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# all copies of the software and related documentation, and (ii) the names of
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# Sam Leffler and Silicon Graphics may not be used in any advertising or
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# publicity relating to the software without the specific, prior written
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# permission of Sam Leffler and Silicon Graphics.
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#
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# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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#
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# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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# OpenGL and GLUT
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set(OpenGL_GL_PREFERENCE LEGACY)
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find_package(OpenGL COMPONENTS OpenGL)
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find_package(GLUT)
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set(OPENGL_SUPPORT FALSE)
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set(HAVE_OPENGL FALSE)
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if(OPENGL_FOUND AND OPENGL_GLU_FOUND AND GLUT_FOUND)
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set(HAVE_OPENGL TRUE)
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endif()
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# Purely to satisfy the generated headers:
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check_include_file(GL/gl.h HAVE_GL_GL_H)
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check_include_file(GL/glu.h HAVE_GL_GLU_H)
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check_include_file(GL/glut.h HAVE_GL_GLUT_H)
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check_include_file(GLUT/glut.h HAVE_GLUT_GLUT_H)
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check_include_file(OpenGL/gl.h HAVE_OPENGL_GL_H)
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check_include_file(OpenGL/glu.h HAVE_OPENGL_GLU_H)
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option(tiff-opengl "use OpenGL (required for tiffgt viewer)" ${HAVE_OPENGL})
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if (tiff-opengl AND HAVE_OPENGL)
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set(OPENGL_SUPPORT TRUE)
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endif()
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