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Re: py-libxml2 fails to build on Linux
On 2024年3月17日 at 11:20:15 +0100, Benny Siegert wrote:
Hi!
With an up-to-date pkgsrc, I am trying to build py-libxml2 on Linux
(Fedora 39), and it fails miserably:
cc -Wsign-compare -DNDEBUG -O2 -I/usr/include -I/usr/pkg/include
-D_XOPEN_SOURCE_EXTENDED=1 -I/usr/pkg/include/ncurses
-I/usr/pkg/include/db4 -O2 -I/usr/include -I/usr/pkg/include
-D_XOPEN_SOURCE_EXTENDED=1 -I/usr/pkg/include/ncurses
-I/usr/pkg/include/db4 -O2 -I/usr/include -I/usr/pkg/include
-D_XOPEN_SOURCE_EXTENDED=1 -I/usr/pkg/include/ncurses
-I/usr/pkg/include/db4 -O2 -I/usr/include -I/usr/pkg/include/python3.11
-I/usr/pkg/include -I/usr/include -I/usr/pkg/include/python3.11
-I/usr/pkg/include -fPIC -D_REENTRANT=1 -I/usr/include/libxml2
-I/usr/pkg/include/python3.11 -c libxml2-py.c -o
build/temp.linux-aarch64-cpython-311/libxml2-py.o
libxml2-py.c:206:1: error: unknown type name 'XML_POP_WARNINGS'
206 | XML_POP_WARNINGS
| ^~~~~~~~~~~~~~~~
libxml2-py.c:210:10: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
210 | PyObject *
| ^
libxml2-py.c:334:1: error: unknown type name 'XML_POP_WARNINGS'
334 | XML_POP_WARNINGS
| ^~~~~~~~~~~~~~~~
libxml2-py.c:338:10: error: expected '=', ',', ';', 'asm' or
'__attribute__' before '*' token
338 | PyObject *
| ^
And many more errors.
Looking at that compiler command line, it is definitely not using
buildlink, and notably it lists /usr/include before /usr/pkg/include. I
assume this means it is trying to compile against the libxml in Fedora
base, which is at a different version.
FWIW, the libxml2 version in Fedora is libxml2-2.10.4-3.fc39.aarch64,
whereas the pkgsrc one is 2.12.4.
Unfortunately, I know very little about python/C builds, anyone has a
hint for me?
Try setting PREFER_PKGSRC? (Either for libxml2 or just "yes" in
general.)
It builds for me on Fedora 39, but I'm already configured a particular
way that avoids this kind of problem.
Regards,
Dave
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