Dne 11. 01. 20 v 5:46 Tom Stellard napsal(a):
> On 01/08/2020 11:28 PM, Miro Hrončok wrote:
>> On 08. 01. 20 23:47, Tom Stellard wrote:
>>> I suspect that if I can find some way to set the CC and CXX environment
>>> variables for all builds, not just ones using autoconf, cmake or meson,
>>> that might help cut down on the number of packages that still use gcc.
>>> I'm just not quite sure how to implement this yet, but I'm looking into
>>> it.
>> /usr/lib/rpm/macros has:
>>
>> %___build_pre \
>> RPM_SOURCE_DIR=\"%{u2p:%{_sourcedir}}\"\
>> RPM_BUILD_DIR=\"%{u2p:%{_builddir}}\"\
>> RPM_OPT_FLAGS=\"%{optflags}\"\
>> RPM_LD_FLAGS=\"%{?build_ldflags}\"\
>> RPM_ARCH=\"%{_arch}\"\
>> RPM_OS=\"%{_os}\"\
>> RPM_BUILD_NCPUS=\"%{_smp_build_ncpus}\"\
>> export RPM_SOURCE_DIR RPM_BUILD_DIR RPM_OPT_FLAGS RPM_LD_FLAGS RPM_ARCH RPM_OS RPM_BUILD_NCPUS RPM_LD_FLAGS\
>> RPM_DOC_DIR=\"%{_docdir}\"\
>> export RPM_DOC_DIR\
>> RPM_PACKAGE_NAME=\"%{NAME}\"\
>> RPM_PACKAGE_VERSION=\"%{VERSION}\"\
>> RPM_PACKAGE_RELEASE=\"%{RELEASE}\"\
>> export RPM_PACKAGE_NAME RPM_PACKAGE_VERSION RPM_PACKAGE_RELEASE\
>> LANG=C\
>> export LANG\
>> unset CDPATH DISPLAY ||:\
>> %{?buildroot:RPM_BUILD_ROOT=\"%{u2p:%{buildroot}}\"\
>> export RPM_BUILD_ROOT}\
>> %{?_javaclasspath:CLASSPATH=\"%{_javaclasspath}\"\
>> export CLASSPATH}\
>>
>> PKG_CONFIG_PATH=\"${PKG_CONFIG_PATH}:%{_libdir}/pkgconfig:%{_datadir}/pkgconfig\"\
>> export PKG_CONFIG_PATH\
>> CONFIG_SITE=${CONFIG_SITE:-NONE}\
>> export CONFIG_SITE\
>> \
>> %{verbose:set -x}\
>> umask 022\
>> cd \"%{u2p:%{_builddir}}\"\
>>
>>
>> You should b able to expand (redefine anywhere else) this macro to set the variables you need or call %set_build_flags.
>>
> I did another mass rebuild, this time setting the CC and CXX environment variables
> in __build_pre as you suggested. The numbers look a little better now:
>
> Packages Built: 4271
> Built with clang: 3355
> Built with gcc: 916
>
> cc or c++ was invoked by about 50 packages.
I just wonder, are there builds done in any particular order? E.g. build
Ruby prior any rubygem- package, build Python prior python- packages, etc.
Vít
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