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-rw-r--r--scripts/macros.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/macros.m4 b/scripts/macros.m4
index 44a9c4de..abc7f8ae 100644
--- a/scripts/macros.m4
+++ b/scripts/macros.m4
@@ -10,7 +10,7 @@ AC_CHECK_PROGS(M4, gm4 m4, m4)
if test "$M4" = "m4"; then
AC_MSG_CHECKING(whether m4 is GNU m4)
- if $M4 --version </dev/null 2>/dev/null | grep '^GNU m4 ' >/dev/null ; then
+ if $M4 --version </dev/null 2>/dev/null | grep '^GNU [Mm]4 ' >/dev/null ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)