--- CMakeLists.txt.orig 2023-11-20 21:47:34.494796000 +0100 +++ CMakeLists.txt 2023-11-20 23:00:36.630907000 +0100 @@ -128,7 +128,7 @@ # Fail early if one of the required packages cannot be found find_package(OpenGL REQUIRED) -find_package(Coin REQUIRED) +find_package(Coin3D REQUIRED) set(SO${GUI}_PKG_DEPS "Coin") @@ -290,19 +290,22 @@ endif() set(CMAKE_REQUIRED_INCLUDES ${OPENGL_INCLUDE_DIR}) -set(CMAKE_REQUIRED_LIBRARIES Coin::Coin ${OPENGL_LIBRARIES}) +set(CMAKE_REQUIRED_LIBRARIES Coin ${OPENGL_LIBRARIES}) -check_include_files(windows.h HAVE_WINDOWS_H) -if(HAVE_WINDOWS_H) - check_include_files("windows.h;GL/gl.h" HAVE_GL_GL_H) - check_include_files("windows.h;GL/glu.h" HAVE_GL_GLU_H) -elseif(APPLE) - check_include_files(OpenGL/gl.h HAVE_OPENGL_GL_H) - check_include_files(OpenGL/glu.h HAVE_OPENGL_GLU_H) -else() - check_include_files(GL/gl.h HAVE_GL_GL_H) - check_include_files(GL/glu.h HAVE_GL_GLU_H) -endif() +# that logic below does not work, so we hardcode the result +set(HAVE_GL_GL_H "1") +set(HAVE_GL_GLU_H "1") +# check_include_files(windows.h HAVE_WINDOWS_H) +# if(HAVE_WINDOWS_H) +# check_include_files("windows.h;GL/gl.h" HAVE_GL_GL_H) +# check_include_files("windows.h;GL/glu.h" HAVE_GL_GLU_H) +# elseif(APPLE) +# check_include_files(OpenGL/gl.h HAVE_OPENGL_GL_H) +# check_include_files(OpenGL/glu.h HAVE_OPENGL_GLU_H) +# else() +# check_include_file(GL/gl.h HAVE_GL_GL_H) +# check_include_file(GL/glu.h HAVE_GL_GLU_H) +# endif() check_include_files(dlfcn.h HAVE_DLFCN_H) check_include_files(inttypes.h HAVE_INTTYPES_H)