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bpo-38527: fix configure script for Solaris (GH-16845)

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On Solaris, the regular "grep" command may be an old version that fails to search a binary file. We need to use the correct command (ggrep, in our case), which is found by the configure script earlier.

Automerge-Triggered-By: @pablogsal
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Arnon Yaari 2020-04-01 18:19:09 +03:00 committed by GitHub
parent eacc074395
commit 5dd836030e
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3 changed files with 6 additions and 4 deletions
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2
Misc/NEWS.d/next/Build/2020-03-28-10-43-09.bpo-38527.fqCRgD.rst Normal file
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@ -0,0 +1,2 @@
Fix configure check on Solaris for "float word ordering": sometimes, the correct "grep" command was not being used.
Patch by Arnon Yaari.

4
configure vendored
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@ -14340,10 +14340,10 @@ _ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if grep noonsees conftest.$ac_objext >/dev/null ; then
if $GREP noonsees conftest.$ac_objext >/dev/null ; then
ax_cv_c_float_words_bigendian=yes
fi
if grep seesnoon conftest.$ac_objext >/dev/null ; then
if $GREP seesnoon conftest.$ac_objext >/dev/null ; then
if test "$ax_cv_c_float_words_bigendian" = unknown; then
ax_cv_c_float_words_bigendian=no
else

4
m4/ax_c_float_words_bigendian.m4
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@ -49,10 +49,10 @@ double d = 909042349670368103374704789055050114762116927356156320147971208440534
]])], [
if grep noonsees conftest.$ac_objext >/dev/null ; then
if $GREP noonsees conftest.$ac_objext >/dev/null ; then
ax_cv_c_float_words_bigendian=yes
fi
if grep seesnoon conftest.$ac_objext >/dev/null ; then
if $GREP seesnoon conftest.$ac_objext >/dev/null ; then
if test "$ax_cv_c_float_words_bigendian" = unknown; then
ax_cv_c_float_words_bigendian=no
else