From 87f036b3d45181aa7a0905c2c003416786c84ea8 Mon Sep 17 00:00:00 2001
From: j8takagi <info@j8takagi.net>
Date: Thu, 25 Oct 2012 23:48:15 +0900
Subject: [PATCH] =?utf8?q?Makefile=E3=81=A7=E3=80=81=E5=BF=85=E8=A6=81?=
 =?utf8?q?=E3=81=AA=E3=82=B3=E3=83=9E=E3=83=B3=E3=83=89=E3=81=8C=E3=81=AA?=
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---
 Makefile           | 3 ++-
 doc_inner/Makefile | 5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 4969245..3d29329 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@
 GTAGS ?= gtags
 RMF ?= rm -f
 WHICH ?= which
+ECHO ?= echo
 
 all: build doc doc_inner
 
@@ -10,7 +11,7 @@ build:
 	$(MAKE) -C src
 
 gtags:
-	($(WHICH) $(GTAGS) && $(GTAGS)) >/dev/null
+	$(WHICH) $(GTAGS) && $(GTAGS) >/dev/null || $(ECHO) "$(GTAGS): not found"
 
 check:
 	$(MAKE) -C test/system
diff --git a/doc_inner/Makefile b/doc_inner/Makefile
index 5c59ef2..ac2414a 100644
--- a/doc_inner/Makefile
+++ b/doc_inner/Makefile
@@ -7,6 +7,7 @@ HTAGS ?= htags
 RMRF ?= rm -rf
 PWD ?= pwd
 WHICH ?= which
+ECHO ?= echo
 
 DOXYGEN_DIR := doxygen
 GNU_GLOBAL_DIR := gnu_global
@@ -17,13 +18,13 @@ all: $(DOXYGEN_DIR) $(GNU_GLOBAL_DIR)
 # ../Doxyfileで設定された以下のディレクトリーの下のhtmlディレクトリー
 #   OUTPUT_DIRECTORY = doc_inner
 $(DOXYGEN_DIR): ../Doxyfile
-	($(WHICH) $(DOXYGEN) && $(CD) .. && $(DOXYGEN) && $(CD) - && $(MV) html $@) >/dev/null
+	$(WHICH) $(DOXYGEN) && ($(CD) .. && $(DOXYGEN) && $(CD) - && $(MV) html $@) >/dev/null || $(ECHO) "$(DOXYGEN): not found"
 
 # htagsのHTMLドキュメント作成先は、
 # 引数DIRで指定されたディレクトリーの下のHTMLディレクトリー
 $(GNU_GLOBAL_DIR):
 	$(MAKE) -C .. gtags
-	($(WHICH) $(HTAGS) && $(CD) .. && $(HTAGS) -anosx doc_inner && $(CD) - && $(MV) HTML $@) >/dev/null
+	$(WHICH) $(HTAGS) && ($(CD) .. && $(HTAGS) -anosx doc_inner && $(CD) - && $(MV) HTML $@)  >/dev/null || $(ECHO) "$(HTAGS): not found"
 
 clean: clean_doxygen clean_gnu_global
 
-- 
2.18.0