30 Mar
2017
30 Mar
'17
11:51
Hello,
is there a simple way to force the GCC version used to build a package?
openSUSE Leap 42.2 for example
uses GCC 4.8 as default compiler, but also provides packages for GCC
5.3. Simply using BuildRequires gcc5
pulls gcc5 in but still uses gcc48 to build the package (especially in
Build Service).
So is there maybe some Buid Service or spec file switch (bcond) to
select the used GCC version?
Best greetings
Matthias Fehring
P.S. Not sure if it is a problem with my browser settings, but when I
try to search lists.opensuse.org, it is not possible
for me to limit the results to a specific list. Even if I set one, I get
results from all lists, what makes searching almost
impossible, because most results are commit messages.
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30 Mar
30 Mar
12:18
On Thursday 2017-03-30 12:51, Matthias Fehring wrote:
So is there maybe some Buid Service or spec file switch (bcond) to
select the used GCC version?
%build
export CC=gcc-5
%configure ...
?
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12:37
Am 30.03.2017 um 13:18 schrieb Jan Engelhardt:
On Thursday 2017-03-30 12:51, Matthias Fehring wrote:
Arrrrgh, not seeing the wood for the trees....
Thank you :)
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So is there maybe some Buid Service or spec file
switch (bcond) to
select the used GCC version?
%build
export CC=gcc-5
%configure ...
? 
21:08
Hello,
Am Donnerstag, 30. März 2017, 12:51:00 CEST schrieb Matthias Fehring:
Simply using BuildRequires gcc5 pulls gcc5 in but
still uses gcc48 to
build the package (especially in Build Service).
Besides Jan's way, using a BuiltIgnore could be another option.
P.S. Not sure if it is a problem with my browser
settings, but when I
try to search lists.opensuse.org, it is not possible
for me to limit the results to a specific list. Even if I set one, I
get results from all lists, what makes searching almost
impossible, because most results are commit messages.
Please report such issues to admin(a)opensuse.org ;-)
That said - this is a known issue:
https://progress.opensuse.org/issues/4314
Regards,
Christian Boltz
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Well, that's annoying
but it's better not to be in the dark.
I foresee a busy Tuesday evening in my near future.
[Will Stephenson in opensuse-factory]
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31 Mar
31 Mar
13:29
Hi Jan, Christian, all,
On Donnerstag, 30. März 2017 22:08:40 Christian Boltz wrote:
Hello,
Am Donnerstag, 30. März 2017, 12:51:00 CEST schrieb Matthias Fehring:
Both ways, exyporting CC and defining #BuildIgnore are spec based.
Any idea, how to select another compiler for a whole project in prjconf?
TIA,
Pete
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Simply using BuildRequires gcc5 pulls gcc5 in but
still uses gcc48 to
build the package (especially in Build Service).
Besides Jan's way, using a BuiltIgnore could be another option.
14:45
On Saturday 2018-03-31 14:29, Hans-Peter Jansen wrote:
Hi Jan, Christian, all,
On Donnerstag, 30. März 2017 22:08:40 Christian Boltz wrote:
Macros:
%__cc gcc-8
%__cxx g++-8
:Macros
But, because %configure and %cmake for example do not read %__cc
unfortunately (why?!), it in itself has no effect. Some work from
upstream rpm is needed.
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Hello,
Am Donnerstag, 30. März 2017, 12:51:00 CEST schrieb Matthias Fehring:
Both ways, exyporting CC and defining #BuildIgnore are spec based.
Any idea, how to select another compiler for a whole project in prjconf? Simply using BuildRequires gcc5 pulls gcc5 in but
still uses gcc48 to
build the package (especially in Build Service).
Besides Jan's way, using a BuiltIgnore could be another option.
19:40
Hi Jan,
thanks for your well educated response (as always). Much appreciated.
On Samstag, 31. März 2018 15:45:13 Jan Engelhardt wrote:
On Saturday 2018-03-31 14:29, Hans-Peter Jansen
wrote:
which in turn means, that I have to touch every spec, doesn't it?
In a local OBS, where I attempt to build Kernel:stable and friends, I fiddled
with below to get $subject going, but failed so far, barfing on a missing gcc.
Looks, like I need to create a gcc7-default package, that symlinks gcc7 and
consorts to gcc. Has anybody done this before?
Guess, this plan isn't that uncommon nowadays...
%define gcc_version 7
Ignore: libgcc_s1
Preinstall: !libgcc_s1 libgcc_s1-gcc7
Prefer: -libstdc++6 libstdc++6-gcc7
Prefer: -libtsan0 libtsan0-gcc7
Prefer: -libgomp1 libgomp1-gcc7
Prefer: -libgcc_s1 libgcc_s1-gcc7
Prefer: -libatomic1 libatomic1-gcc7
Prefer: -libcilkrts5 libcilkrts5-gcc7
Prefer: -libitm1 libitm1-gcc7
Prefer: -liblsan0 liblsan0-gcc7
Prefer: -libmpx2 libmpx2-gcc7
Prefer: -libubsan0 libubsan0-gcc7
Required: gcc7 cpp7 gcc7-devel
Ignore: gcc48 cpp48
Ignore: gcc-4.8 cpp-4.8
Ignore: gcc-c++
Ignore: gcc-devel
Substitute: gcc48 gcc7
Substitute: gcc gcc7
Substitute: cpp48 cpp7
Substitute: cpp cpp7
Substitute: gcc-4.8 gcc7
Substitute: gcc-c++ gcc7-c++
Substitute: gcc-devel gcc7-devel
#Prefer: -gcc gcc7
#Prefer: -gcc48 gcc7
#Prefer: -cpp48 cpp7
Macros:
%__cc gcc-7
%__cxx g++-7
:Macros
Cheers,
Pete
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Hi Jan, Christian, all,
On Donnerstag, 30. März 2017 22:08:40 Christian Boltz wrote:
Macros:
%__cc gcc-8
%__cxx g++-8
:Macros
But, because %configure and %cmake for example do not read %__cc
unfortunately (why?!), it in itself has no effect. Some work from
upstream rpm is needed. Hello,
Am Donnerstag, 30. März 2017, 12:51:00 CEST schrieb Matthias Fehring:
Both ways, exyporting CC and defining #BuildIgnore are spec based.
Any idea, how to select another compiler for a whole project in prjconf? Simply using BuildRequires gcc5 pulls gcc5 in but
still uses gcc48 to
build the package (especially in Build Service).
Besides Jan's way, using a BuiltIgnore could be another option. 
3 Apr
3 Apr
10:34
New subject: [opensuse-packaging] Re: Selecting GCC version
On Mär 31 2018, Hans-Peter Jansen <hpj(a)urpla.net> wrote:
In a local OBS, where I attempt to build Kernel:stable
and friends, I fiddled
with below to get $subject going, but failed so far, barfing on a missing gcc.
Looks, like I need to create a gcc7-default package, that symlinks gcc7 and
consorts to gcc. Has anybody done this before?
Guess, this plan isn't that uncommon nowadays...
%define gcc_version 7
Ignore: libgcc_s1
Preinstall: !libgcc_s1 libgcc_s1-gcc7
Prefer: -libstdc++6 libstdc++6-gcc7
Prefer: -libtsan0 libtsan0-gcc7
Prefer: -libgomp1 libgomp1-gcc7
Prefer: -libgcc_s1 libgcc_s1-gcc7
Prefer: -libatomic1 libatomic1-gcc7
Prefer: -libcilkrts5 libcilkrts5-gcc7
Prefer: -libitm1 libitm1-gcc7
Prefer: -liblsan0 liblsan0-gcc7
Prefer: -libmpx2 libmpx2-gcc7
Prefer: -libubsan0 libubsan0-gcc7
That's all you should need, together with a branch of the gcc package
with has gcc_version and gcc_suffix adjusted.
Andreas.
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10:36
New subject: [opensuse-packaging] Re: Selecting GCC version
On Tue, Apr 03, 2018 at 11:34:02AM +0200, Andreas Schwab wrote:
On Mär 31 2018, Hans-Peter Jansen
<hpj(a)urpla.net> wrote:
Why not use
BuildRequires: gcc7
and later on:
set CC=gcc-7
instead?
Ciao, Marcus
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In a local OBS, where I attempt to build
Kernel:stable and friends, I fiddled
with below to get $subject going, but failed so far, barfing on a missing gcc.
Looks, like I need to create a gcc7-default package, that symlinks gcc7 and
consorts to gcc. Has anybody done this before?
Guess, this plan isn't that uncommon nowadays...
%define gcc_version 7
Ignore: libgcc_s1
Preinstall: !libgcc_s1 libgcc_s1-gcc7
Prefer: -libstdc++6 libstdc++6-gcc7
Prefer: -libtsan0 libtsan0-gcc7
Prefer: -libgomp1 libgomp1-gcc7
Prefer: -libgcc_s1 libgcc_s1-gcc7
Prefer: -libatomic1 libatomic1-gcc7
Prefer: -libcilkrts5 libcilkrts5-gcc7
Prefer: -libitm1 libitm1-gcc7
Prefer: -liblsan0 liblsan0-gcc7
Prefer: -libmpx2 libmpx2-gcc7
Prefer: -libubsan0 libubsan0-gcc7
That's all you should need, together with a branch of the gcc package
with has gcc_version and gcc_suffix adjusted.
10:39
New subject: [opensuse-packaging] Re: Selecting GCC version
On Tuesday 2018-04-03 11:36, Marcus Meissner wrote:
Why not use
BuildRequires: gcc7
and later on:
set CC=gcc-7
instead?
Because set CC requires modifying the spec file(s), of which there
are potentially many.
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11:58
New subject: [opensuse-packaging] Re: Selecting GCC version
On Dienstag, 3. April 2018 11:34:02 Andreas Schwab wrote:
On Mär 31 2018, Hans-Peter Jansen
<hpj(a)urpla.net> wrote:
Well, I find it a bit expensive to rebuild two gcc packages (in worst case)
just for changing the compiler, but possibly the way to go.
Does anybody know, how the build system behaves, if I "overload" %___build_pre
of /usr/lib/rpm/macros within another macro file? Is the load order of macro
files documented/deterministic?
Would be much easier to Preinstall a rpm_macros_gcc7 package, where a matching
CC is exported in %___build_pre, wouldn't it?
Cheers,
Pete
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In a local OBS, where I attempt to build
Kernel:stable and friends, I
fiddled with below to get $subject going, but failed so far, barfing on a
missing gcc.
Looks, like I need to create a gcc7-default package, that symlinks gcc7
and
consorts to gcc. Has anybody done this before?
Guess, this plan isn't that uncommon nowadays...
%define gcc_version 7
Ignore: libgcc_s1
Preinstall: !libgcc_s1 libgcc_s1-gcc7
Prefer: -libstdc++6 libstdc++6-gcc7
Prefer: -libtsan0 libtsan0-gcc7
Prefer: -libgomp1 libgomp1-gcc7
Prefer: -libgcc_s1 libgcc_s1-gcc7
Prefer: -libatomic1 libatomic1-gcc7
Prefer: -libcilkrts5 libcilkrts5-gcc7
Prefer: -libitm1 libitm1-gcc7
Prefer: -liblsan0 liblsan0-gcc7
Prefer: -libmpx2 libmpx2-gcc7
Prefer: -libubsan0 libubsan0-gcc7
That's all you should need, together with a branch of the gcc package
with has gcc_version and gcc_suffix adjusted.
12:24
New subject: [opensuse-packaging] Re: Selecting GCC version
On Tuesday 2018-04-03 12:58, Hans-Peter Jansen wrote:
It's just the gcc *metapackage* (with the symlinks), not gcc7/gcc8.src.rpm itself.
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That's all you should need, together with a branch of the gcc package
with has gcc_version and gcc_suffix adjusted.
Well, I find it a bit expensive to rebuild two gcc packages (in worst case)
just for changing the compiler, but possibly the way to go.
13:41
New subject: [opensuse-packaging] Re: Selecting GCC version
On Apr 03 2018, Hans-Peter Jansen <hpj(a)urpla.net> wrote:
Well, I find it a bit expensive to rebuild two gcc
packages (in worst case)
just for changing the compiler, but possibly the way to go.
There is only one package named gcc.
Andreas.
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16:16
New subject: [opensuse-packaging] Re: Selecting GCC version
On Dienstag, 3. April 2018 14:41:30 Andreas Schwab wrote:
On Apr 03 2018, Hans-Peter Jansen
<hpj(a)urpla.net> wrote:
Duh, of course. Thanks, Jan and Andreas.
For the record:
In order to change the default gcc for a project, do this:
Provide the gcc build in a repo, and add this repo to your upstream repos in
the project meta data, e.g.:
<repository name="openSUSE_Leap_42.3">
<path project="home:xxx:gcc"
repository="openSUSE_Leap_42.3"/>
<path project="openSUSE:Leap:42.3:Update"
repository="standard"/>
<arch>x86_64</arch>
</repository>
Add this to prjconf:
# change to gcc7
%define gcc_version 7
Preinstall: !libgcc_s1 libgcc_s1-gcc7
Prefer: -libstdc++6 libstdc++6-gcc7
Prefer: -libtsan0 libtsan0-gcc7
Prefer: -libgomp1 libgomp1-gcc7
Prefer: -libgcc_s1 libgcc_s1-gcc7
Prefer: -libatomic1 libatomic1-gcc7
Prefer: -libcilkrts5 libcilkrts5-gcc7
Prefer: -libitm1 libitm1-gcc7
Prefer: -liblsan0 liblsan0-gcc7
Prefer: -libmpx2 libmpx2-gcc7
Prefer: -libubsan0 libubsan0-gcc7
link gcc package into your project, adjust gcc_version and gcc_suffix in the
spec:
%define gcc_version 7
%define gcc_suffix 7
Version: 7
Cheers,
Pete
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Well, I find it a bit expensive to rebuild two
gcc packages (in worst
case)
just for changing the compiler, but possibly the way to go.
There is only one package named gcc.
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days inactive
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13 comments
6 participants
participants (6)
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Andreas Schwab -
Christian Boltz -
Hans-Peter Jansen -
Jan Engelhardt -
Marcus Meissner -
Matthias Fehring