configure: fix for BSD grep.

* configure: Pipe output of strings into grep in endianness test, like
is done for ubsan.

1 files changed, 2 insertions, 2 deletions

diff --git a/configure b/configure
index 09c3c503..df4a37d6 100755
--- a/configure
+++ b/configure
@@ -1653,10 +1653,10 @@ if ! conftest_o ; then
   printf "failed\n";
   exit 1;
 else
-  if grep -q 'PSILXINUEROCMIWD' conftest.o ; then
+  if strings conftest.o | grep -q 'PSILXINUEROCMIWD' ; then
     printf "little\n";
     printf "#define HAVE_LITTLE_ENDIAN 1\n" >> config.h
-  elif grep -q 'LISPUNIXCOREDWIM' conftest.o ; then
+  elif strings conftest.o | grep -q 'LISPUNIXCOREDWIM' ; then
     printf "big\n";
     printf "#define HAVE_LITTLE_ENDIAN 0\n" >> config.h
   else