22 Jan
2020
22 Jan
'20
9:28 a.m.
From
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=949521:
your package is using `xml2-config` to detect and use libxml2. I'm
removing
that script, so please update your build system to use
pkg-config instead.
Additionally, your package is not failing to build, so it's creating
binaries
that are not linked against libxml2 anymore:
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22 Jan
22 Jan
9:38 a.m.
Anyone knowing if pkg-config for libxml2 available on all common distros, so we can
remove its usage completely, or just go and try first pkg-config and let xml2-config as a
fallback?
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9:39 a.m.
I will go for try first pkg-config and let xml2-config as a fallback since that change is
going to be just in newer versions.
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9:44 a.m.
This dist already have `pkg-config`
1. CentOS
1. RHEL
1. Fedora
1. OpenSUSE
1. Oracle Linux
1. Alpine Linux
So we can leave only pkg-config case.
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9:55 a.m.
@sergey-safarov - also older versions, not only current stable?
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10:01 a.m.
I see that 26 modules use it in Makefile.
On the other hand, on macos, the output of xml2-config and pkg-config are different:
```
$ xml2-config --libs
-L/opt/local/lib -lxml2 -L/opt/local/lib -lz -L/opt/local/lib -llzma -lpthread -liconv
-L/opt/local/lib -licui18n -licuuc -licudata -lm
$ which xml2-config
/opt/local/bin/xml2-config
$ pkg-config --libs libxml-2.0
-L/opt/local/lib -lxml2
$ which pkg-config
/opt/local/bin/pkg-config
```
On debian 10 is the same.
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10:15 a.m.
Oldest `RHEL-6` based dist (CentOS-6, Oracle Linux 6) is have `pkgconfig-0.23-9` and
`libxml2-2.7.6`
```
[root@8760520b12b8 /]# cat /usr/lib64/pkgconfig/libxml-2.0.pc
prefix=/usr
exec_prefix=/usr
libdir=/usr/lib64
includedir=/usr/include
modules=1
Name: libXML
Version: 2.7.6
Description: libXML library version2.
Requires:
Libs: -L${libdir} -lxml2
Libs.private: -lz -lm
Cflags: -I${includedir}/libxml2
```
For oldest OpenSUSE `pkg-config-0.28-11` and `libxml2-devel-2.9.4`
```
52640dd1687d:/ # cat /usr/lib64/pkgconfig/libxml-2.0.pc
prefix=/usr
exec_prefix=/usr
libdir=/usr/lib64
includedir=/usr/include
modules=1
Name: libXML
Version: 2.9.4
Description: libXML library version2.
Requires:
Libs: -L${libdir} -lxml2
Libs.private: -L/lib64 -lz -llzma -lm
Cflags: -I${includedir}/libxml2
```
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3 Feb
3 Feb
4:31 p.m.
Do we have any conclusion here, should we go this way:
I will go for try first pkg-config and let xml2-config
as a fallback since that change is going to be just in newer versions.
and about the MacOS - maybe the compilation will also work with the fewer flags, I
can't test it though.
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5 Feb
5 Feb
9:06 p.m.
I think the best would be to figure out first if `xml2-config` exists and if yes, use it,
otherwise look for `pkg-config`. I expect `xml2-config` comes from developers of the
project, while `pkg-config` is more a distro/packager variant, but the main argument would
be that currently it works fine with `xml2-config`. If some distro has no longer
`xml2-config`, then `pkg-config` will be used anyhow.
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13 Feb
13 Feb
10:32 a.m.
Master should have all the mods updated. If someone prefers a different way, let's
discuss further.
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10:32 a.m.
Closed #2199.
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11 May
11 May
2:22 p.m.
can We backport this changes to 5.3?
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2:25 p.m.
Sure
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1470
days inactive
1580
days old
12 comments
4 participants
participants (4)
-
Daniel-Constantin Mierla -
Henning Westerholt
-
sergey-safarov
-
Victor Seva