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-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 451195160..7510ce84b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -513,6 +513,7 @@ AC_PROG_MAKE_SET dnl Does make define $MAKE
AC_PROG_INSTALL dnl Check for BSD compatible `install'
AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk.
AC_PROG_LN dnl Check for working ln, for "make install"
+AC_PROG_EGREP dnl sets $EGREP to grep -E or egrep
AC_CHECK_PROGS([YODL], [yodl], [: yodl])
AC_CHECK_PROGS([PDFETEX], [pdfetex], [: pdfetex])
AC_CHECK_PROGS([ANSI2KNR], [ansi2knr], [: ansi2knr])
@@ -1316,7 +1317,7 @@ do
dnl Try to make sure it doesn't get confused by files that don't
dnl have real error definitions in. Count definitions to make sure.
nerrs=`test -f $ERRNO_H && \
- grep -E '#[ ]*define[ ][ ]*E[0-9A-Z]*[ ]*(_HURD_ERRNO \()?[0-9]+\)?' $ERRNO_H | \
+ $EGREP '#[ ]*define[ ][ ]*E[0-9A-Z]*[ ]*(_HURD_ERRNO \()?[0-9]+\)?' $ERRNO_H | \
wc -l | sed 's/[ ]//g'`
test "x$nerrs" != x && test "$nerrs" -ge 7 && break
done