From 1712722a7b50e2f449ee94fb5d039757f2426f36 Mon Sep 17 00:00:00 2001
From: Mathieu Lirzin <mthl@gnu.org>
Date: Tue, 18 Aug 2015 17:25:21 +0200
Subject: build: Enable silent rules by default.

* configure.ac (AM_SILENT_RULES): Use macro.
* makefile.am (doc/mcron.1): Use $(AM_V_HELP2MAN).
(AM_V_HELP2MAN, AM_V_HELP2MAN_, AM_V_HELP2MAN_): New variables.
* scm/mcron/makefile.am (.scm.go): Use $(AM_V_GUILEC).
(AM_V_GUILEC, AM_V_GUILEC_, AM_V_GUILEC_): New variables.
---
 configure.ac          |  1 +
 makefile.am           | 10 ++++++++--
 scm/mcron/makefile.am |  6 ++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 42dfa6e..54481dd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,7 @@ AC_PREREQ(2.61)
 AC_INIT([GNU Mcron], [1.0.8], [bug-mcron@gnu.org])
 AC_CONFIG_AUX_DIR([build-aux])
 AM_INIT_AUTOMAKE
+AM_SILENT_RULES([yes])		# enables silent rules by default
 
 mcronmoduledir="${datarootdir}/guile/site/2.0/mcron"
 AC_SUBST([mcronmoduledir])
diff --git a/makefile.am b/makefile.am
index aa0b24b..1fcf32e 100644
--- a/makefile.am
+++ b/makefile.am
@@ -79,9 +79,15 @@ uninstall-hook:
         rm -f $(fpp){cron,crontab}$(EXEEXT); \
     fi
 
+# Extend silent rules to help2man.
+AM_V_HELP2MAN = $(AM_V_HELP2MAN_$(V))
+AM_V_HELP2MAN_ = $(AM_V_HELP2MAN_$(AM_DEFAULT_VERBOSITY))
+AM_V_HELP2MAN_0 = @echo "  HELP2MAN" $@;
 
 # Not part of formal package building, but a rule for manual use to get the
 # elemental man page.  Will only work once the mcron program is installed.
 doc/mcron.1: mcron.c
-	-$(HELP2MAN) -n 'a program to run tasks at regular (or not) intervals' \
-	    ./mcron > $@
+	-$(AM_V_HELP2MAN)$(MKDIR_P) `dirname "$@"` ; 			\
+	$(HELP2MAN)							\
+	  -n 'a program to run tasks at regular (or not) intervals'	\
+	  ./mcron > $@
diff --git a/scm/mcron/makefile.am b/scm/mcron/makefile.am
index ab6cae2..cb7a6bb 100644
--- a/scm/mcron/makefile.am
+++ b/scm/mcron/makefile.am
@@ -23,6 +23,11 @@ dist_mcronmodule_DATA = 		\
   crontab.scm				\
   mcron-core.scm
 
+# Extend silent rules to Guile compilation.
+AM_V_GUILEC = $(AM_V_GUILEC_$(V))
+AM_V_GUILEC_ = $(AM_V_GUILEC_$(AM_DEFAULT_VERBOSITY))
+AM_V_GUILEC_0 = @echo "  GUILEC  " $@;
+
 # Unset 'GUILE_LOAD_COMPILED_PATH' altogether while compiling.  Otherwise, if
 # $GUILE_LOAD_COMPILED_PATH contains $(mcronmoduledir), we may find .go files
 # in there that are newer than the local .scm files (for instance because the
@@ -33,6 +38,7 @@ dist_mcronmodule_DATA = 		\
 # XXX: Use the C locale for when Guile lacks
 # <http://git.sv.gnu.org/cgit/guile.git/commit/?h=stable-2.0&id=e2c6bf3866d1186c60bacfbd4fe5037087ee5e3f>.
 .scm.go:
+	$(AM_V_GUILEC)$(MKDIR_P) `dirname "$@"` ;			\
 	unset GUILE_LOAD_COMPILED_PATH ;				\
 	LC_ALL=C							\
 	$(GUILD) compile						\
-- 
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