From 567bac890c060c56ff311bda24280873c8641b0a Mon Sep 17 00:00:00 2001
From: Rolf Eike Beer <eike@sf-mail.de>
Date: Wed, 7 Jun 2017 19:22:35 +0200
Subject: bootstrap: use "grep -q" instead of output redirection

---
 bootstrap | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/bootstrap b/bootstrap
index 280655e..c89bffc 100755
--- a/bootstrap
+++ b/bootstrap
@@ -83,7 +83,7 @@ cmake_sphinx_build=""
 cmake_sphinx_flags=""
 
 # Determine whether this is a Cygwin environment.
-if echo "${cmake_system}" | grep CYGWIN >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q CYGWIN; then
   cmake_system_cygwin=true
   cmake_doc_dir_keyword="CYGWIN"
   cmake_man_dir_keyword="CYGWIN"
@@ -92,21 +92,21 @@ else
 fi
 
 # Determine whether this is a MinGW environment.
-if echo "${cmake_system}" | grep 'MINGW\|MSYS' >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q 'MINGW\|MSYS'; then
   cmake_system_mingw=true
 else
   cmake_system_mingw=false
 fi
 
 # Determine whether this is OS X
-if echo "${cmake_system}" | grep Darwin >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q Darwin; then
   cmake_system_darwin=true
 else
   cmake_system_darwin=false
 fi
 
 # Determine whether this is BeOS
-if echo "${cmake_system}" | grep BeOS >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q BeOS; then
   cmake_system_beos=true
   cmake_doc_dir_keyword="HAIKU"
   cmake_man_dir_keyword="HAIKU"
@@ -115,7 +115,7 @@ else
 fi
 
 # Determine whether this is Haiku
-if echo "${cmake_system}" | grep Haiku >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q Haiku; then
   cmake_system_haiku=true
   cmake_doc_dir_keyword="HAIKU"
   cmake_man_dir_keyword="HAIKU"
@@ -124,21 +124,21 @@ else
 fi
 
 # Determine whether this is OpenVMS
-if echo "${cmake_system}" | grep OpenVMS >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q OpenVMS; then
   cmake_system_openvms=true
 else
   cmake_system_openvms=false
 fi
 
 # Determine whether this is HP-UX
-if echo "${cmake_system}" | grep HP-UX >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q HP-UX; then
   cmake_system_hpux=true
 else
   cmake_system_hpux=false
 fi
 
 # Determine whether this is Linux
-if echo "${cmake_system}" | grep Linux >/dev/null 2>&1; then
+if echo "${cmake_system}" | grep -q Linux; then
   cmake_system_linux=true
 else
   cmake_system_linux=false
@@ -149,11 +149,11 @@ else
 # may falsely detect parisc on HP-UX m68k
 cmake_machine_parisc=false
 if ${cmake_system_linux}; then
-  if uname -m | grep parisc >/dev/null 2>&1; then
+  if uname -m | grep -q parisc; then
     cmake_machine_parisc=true
   fi
 elif ${cmake_system_hpux}; then
-  if uname -m | grep ia64 >/dev/null 2>&1; then : ; else
+  if uname -m | grep -q ia64; then : ; else
     cmake_machine_parisc=true
   fi
 fi
-- 
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