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-rw-r--r--1.4.23-rc4/autoconf/ast_prog_egrep.m411
1 files changed, 11 insertions, 0 deletions
diff --git a/1.4.23-rc4/autoconf/ast_prog_egrep.m4 b/1.4.23-rc4/autoconf/ast_prog_egrep.m4
new file mode 100644
index 000000000..7988f8fb3
--- /dev/null
+++ b/1.4.23-rc4/autoconf/ast_prog_egrep.m4
@@ -0,0 +1,11 @@
+# AST_PROG_EGREP
+# -------------
+m4_ifndef([AST_PROG_EGREP], [AC_DEFUN([AST_PROG_EGREP],
+[AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
+ [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
+ then ac_cv_prog_egrep='grep -E'
+ else ac_cv_prog_egrep='egrep'
+ fi])
+ EGREP=$ac_cv_prog_egrep
+ AC_SUBST([EGREP])
+])]) # AST_PROG_EGREP