AC_PROG_EGREP wasn't too portable after all. Better fixing it the lame but
safe way


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1700 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 7f2ea3e..4f07078 100644
--- a/configure.in
+++ b/configure.in
@@ -120,11 +120,6 @@
 
 AC_SUBST(DEFAULT_SUPP)
 
-AC_PROG_EGREP
-
-# Ok, this is linux. Check the kernel version
-AC_MSG_CHECKING([the glibc version])
-
 glibc=""
 
 AC_EGREP_CPP([GLIBC_21], [
@@ -157,6 +152,9 @@
 ],
 glibc="2.3")
 
+# Ok, this is linux. Check the kernel version
+AC_MSG_CHECKING([the glibc version])
+
 case "${glibc}" in
      2.1)
 	AC_MSG_RESULT(2.1 family)