https://bugzilla.redhat.com/show_bug.cgi?id=1728058
Bug ID: 1728058
Summary: fontforge fails to build with Python 3.8
Product: Fedora
Version: rawhide
Status: NEW
Component: fontforge
Severity: high
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Blocks: 1686977 (PYTHON38)
Target Milestone: ---
Classification: Fedora
fontforge fails to build with Python 3.8.0b1.
python.c:17919:5: error: initialization of 'long int' from 'void *' makes
integer from pointer without a cast [-Werror=int-conversion]
17919 | NULL, /* tp_print */
| ^~~~
python.c:17919:5: note: (near initialization for
'PyFF_FontType.tp_vectorcall_offset')
python.c:18036:5: error: initialization of 'long int' from 'void *' makes
integer from pointer without a cast [-Werror=int-conversion]
18036 | NULL, /* tp_print */
| ^~~~
python.c:18036:5: note: (near initialization for
'PyFF_AWGlyphIndexType.tp_vectorcall_offset')
python.c:18174:5: error: initialization of 'long int' from 'void *' makes
integer from pointer without a cast [-Werror=int-conversion]
18174 | NULL, /* tp_print */
| ^~~~
python.c:18174:5: note: (near initialization for
'PyFF_AWGlyphType.tp_vectorcall_offset')
python.c:18297:5: error: initialization of 'long int' from 'void *' makes
integer from pointer without a cast [-Werror=int-conversion]
18297 | NULL, /* tp_print */
| ^~~~
In Python 3.8, the reserved "tp_print" slot was changed from a function pointer
to a number, `Py_ssize_t tp_vectorcall_offset`.
In C either a 0 or NULL casts automatically to both pointers and numbers,
however the -Werror=int-conversion flag makes it fail.
For the build logs, see:
https://copr-be.cloud.fedoraproject.org/results/@python/python3.8/fedora-rawhide-x86_64/00963487-fontforge/
For all our attempts to build fontforge with Python 3.8, see:
https://copr.fedorainfracloud.org/coprs/g/python/python3.8/package/fontforge/
Testing and mass rebuild of packages is happening in copr. You can follow these
instructions to test locally in mock if your package builds with Python 3.8:
https://copr.fedorainfracloud.org/coprs/g/python/python3.8/
Let us know here if you have any questions.
Referenced Bugs:
https://bugzilla.redhat.com/show_bug.cgi?id=1686977
[Bug 1686977] Python 3.8
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