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-rw-r--r--m4/quiet-rule.m412
1 files changed, 12 insertions, 0 deletions
diff --git a/m4/quiet-rule.m4 b/m4/quiet-rule.m4
new file mode 100644
index 0000000..29004e6
--- /dev/null
+++ b/m4/quiet-rule.m4
@@ -0,0 +1,12 @@
+# serial 1 -*- mode: autoconf -*-
+# SILENT_RULE(varname, [echo = varname])
+# defines V_varname to use for silent make rules
+AC_DEFUN([np_SILENT_RULE],[dnl
+m4_pushdef([varname], $1)dnl
+m4_pushdef([echoname], [m4_default($2, varname)])dnl
+# make silent rule for $1
+AC_SUBST(V_[]varname, ["\$(V_[]varname[]_$AM_V)"])dnl
+AC_SUBST(V_[]varname[]_, ["\$(V_[]varname[]_$AM_DEFAULT_VERBOSITY)"])dnl
+AC_SUBST(V_[]varname[]_0, ['@echo " echoname [$]@";'])dnl
+m4_popdef([varname], [echoname])dnl
+])