bpo-38527: fix configure script for Solaris (GH-16845)
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
(cherry picked from commit 5dd836030e0e399b21ab0865ae0d93934bdb3930)
Co-authored-by: Arnon Yaari <wiggin15@yahoo.com>
diff --git a/Misc/NEWS.d/next/Build/2020-03-28-10-43-09.bpo-38527.fqCRgD.rst b/Misc/NEWS.d/next/Build/2020-03-28-10-43-09.bpo-38527.fqCRgD.rst
new file mode 100644
index 0000000..8696930
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2020-03-28-10-43-09.bpo-38527.fqCRgD.rst
@@ -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.
diff --git a/configure b/configure
index 3dfd6cc..8886561 100755
--- a/configure
+++ b/configure
@@ -14303,10 +14303,10 @@
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 "$ax_cv_c_float_words_bigendian" = unknown; then
ax_cv_c_float_words_bigendian=no
else
diff --git a/m4/ax_c_float_words_bigendian.m4 b/m4/ax_c_float_words_bigendian.m4
index 216b90d..746228c 100644
--- a/m4/ax_c_float_words_bigendian.m4
+++ b/m4/ax_c_float_words_bigendian.m4
@@ -49,10 +49,10 @@
]])], [
-if grep noonsees conftest.$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