Hello,With the upgrade from gdmodule-0.56 -> gdmodule-0.56-r1 the following sage test now fails
sage -t -long -force_lib "devel/sage/sage/matrix/matrix2.pyx"
as
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File "/usr/share/sage/devel/sage/sage/matrix/matrix2.pyx", line 5463:
sage: M.visualize_structure(SAGE_TMP + "matrix.png")
Exception raised:
Traceback (most recent call last):
File "/usr/bin/ncadoctest.py", line 1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File "/usr/bin/sagedoctest.py", line 38, in run_one_example
OrigDocTestRunner.run_one_example(self, test, example,
filename, compileflags)
File "/usr/bin/ncadoctest.py", line 1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_83[3]>", line 1, in <module>
M.visualize_structure(SAGE_TMP + "matrix.png")###line 5463:
sage: M.visualize_structure(SAGE_TMP + "matrix.png")
File "matrix2.pyx", line 5520, in
sage.matrix.matrix2.Matrix.visualize_structure
(sage/matrix/matrix2.c:31006)
NotImplementedError: PNG Support Not Available
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The 0.56-libs.patch that's the reason for the upgrade (which appears to
be the thing to do) actually prevents Sage from finding PNG support.
The older version still works.
Steve
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