23 lines
539 B
Plaintext
23 lines
539 B
Plaintext
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AC_DEFUN(SM_OPENGL,
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[
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AC_ARG_ENABLE(mesa, AC_HELP_STRING([--enable-mesa], [Use libMesaGL]), enable_mesa=$enableval, enable_mesa=no)
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GL_LIBS=
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if test "$enable_mesa" = "yes"; then
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AC_CHECK_LIB(MesaGL, glPushMatrix, GL_LIBS=-lMesaGL)
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fi
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if test -z "$GL_LIBS"; then
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AC_CHECK_LIB(GL, glPushMatrix, GL_LIBS="-lGL")
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fi
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AC_SUBST(GL_LIBS)
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if test -z $GL_LIBS; then
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AC_MSG_ERROR(["No OpenGL libraries could be found. If you want
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to search for MesaGL, pass the "--enable-mesa" flag to configure.])
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fi
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])
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