Would it make more sense to add a "use.libstdc++.so.5" and have that be the trigger to move back?
The other question is, do we even need to keep the v5 lib build available? Is it being used? -Nathan On Tue, Feb 10, 2009 at 5:01 AM, Tim Ellison <[email protected]> wrote: > Fine by me -- it'll make my life easier in Hudson too! > > Tim > > Nathan Beyer wrote: >> Any objections to setting this 'true' by default? It seems we have >> three people okay with it. If none are brought up, I or anyone can >> switch it. >> >> -Nathan >> >> On Sat, Feb 7, 2009 at 5:43 PM, Gregory Shimansky <[email protected]> >> wrote: >>> On 8 February 2009 Nathan Beyer wrote: >>>> Isn't "/usr/lib/libstdc++.so.6" generally a symlink to the specific >>>> version folder that's currently the default? >>> Nope. It depends very much on the distro layout. The most likely place to >>> find >>> libc is /lib where you can execute (you can actually execute this >>> lib) /lib/libc.so* and see the version. >>> >>>> Regardless, moving to v6 as the default seems to make sense to me - >>>> this seems to be the default on the latest distribution releases that >>>> I've seen. >>> With this I agree. Version 6 has been the default for a time I can't >>> remember >>> and those who still use v5 might as well switch after all. >>> >>>> On Sat, Feb 7, 2009 at 5:28 AM, Gregory Shimansky <[email protected]> >>> wrote: >>>>> On 7 February 2009 Mark Hindess wrote: >>>>>> Perhaps we should make use.libstdc++6=true the default? Or maybe even >>>>>> try a little harder to make a better guess at the default with a patch >>>>>> like the one appended? >>>>> Hmm it is not this easy. The library libstdc++ belongs to gcc, and its >>>>> location depends on gcc version (gcc may be even installed in a >>>>> non-standard location). Guessing it is not easy without configure script. >>>>> Here's what I get when I execute "locate libstdc++.so.6" on Gentoo Linux: >>>>> >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/3.4.6/32/libstdc++.so.6 >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/3.4.6/32/libstdc++.so.6.0.3 >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/3.4.6/libstdc++.so.6 >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/3.4.6/libstdc++.so.6.0.3 >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/4.1.2/32/libstdc++.so.6 >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/4.1.2/32/libstdc++.so.6.0.8 >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/4.1.2/libstdc++.so.6 >>>>> /usr/lib64/gcc/x86_64-pc-linux-gnu/4.1.2/libstdc++.so.6.0.8 >>>>> >>>>> The naming of path like "x86_64-pc-linux-gnu" is very platform dependent >>>>> as well. >>>>> >>>>> Someone might even want to use Intel compiler to build Harmony, I recall >>>>> icc used to work at some point of time and produced quite an optimized >>>>> code. >>>>> >>>>>> Index: working_classlib/make/properties.xml >>>>>> =================================================================== >>>>>> --- working_classlib/make/properties.xml (revision 741852) >>>>>> +++ working_classlib/make/properties.xml (working copy) >>>>>> @@ -313,6 +313,12 @@ >>>>>> </condition> >>>>>> <property name="hy.portlib.stubs" value="false" /> >>>>>> >>>>>> + <condition property="use.libstdc++6" value="true"> >>>>>> + <and> >>>>>> + <isset property="is.linux" /> >>>>>> + <available file="/usr/lib/libstdc++.so.6" type="file" /> >>>>>> + </and> >>>>>> + </condition> >>>>>> <condition property="hy.libstdc++.suffix" value=".libstdc++6"> >>>>>> <isset property="use.libstdc++6"/> >>>>>> </condition> >>>>>> Index: common_resources/make/properties.xml >>>>>> =================================================================== >>>>>> --- common_resources/make/properties.xml (revision 741852) >>>>>> +++ common_resources/make/properties.xml (working copy) >>>>>> @@ -69,6 +69,12 @@ >>>>>> <property name="hy.test.timeout" value="900000" /> >>>>>> <property name="hy.test.vmargs" value="" /> >>>>>> >>>>>> + <condition property="use.libstdc++6" value="true"> >>>>>> + <and> >>>>>> + <isset property="is.linux" /> >>>>>> + <available file="/usr/lib/libstdc++.so.6" type="file" /> >>>>>> + </and> >>>>>> + </condition> >>>>>> <condition property="hy.platform.suffix" value=".libstdc++6"> >>>>>> <isset property="use.libstdc++6"/> >>>>>> </condition> >>>>> -- >>>>> Gregory >>> -- >>> Gregory >>> >> >
