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assignee=Noneclosed_at=<Date2020-04-01.16:52:39.219>created_at=<Date2019-10-19.14:47:05.851>labels= ['build', '3.8', '3.9']
title='configure script fails to detect "float word ordering" on Solaris'updated_at=<Date2020-04-01.16:52:39.219>user='https://github.com/wiggin15'
When running the configure script on Solaris SPARC (versions 10 and 11), the script fails with the following error:
checking whether float word ordering is bigendian... unknown
configure: error:
Unknown float word ordering. You need to manually preset
ax_cv_c_float_words_bigendian=no (or yes) according to your system.
The configure script uses "grep" on a compiled binary to see how a float variable is compiled. On Solaris, the regular "grep" command may be an old version that fails to search in a binary file. The correct command should be "ggrep" (the GNU grep).
Luckily, Python's configure script already finds this command in an earlier check:
checking for grep that handles long lines and -e... /usr/bin/ggrep
All we have to do, then, is use the command that configure finds. i.e. replace "grep" -> "$GREP".
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