From 69b1d07cf27c992c7375de5d7aa95db4edc58153 Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
Date: Mon, 29 Mar 2010 21:08:58 +0200
Subject: do not detect the echo-without-newline syntax over and over

this is a) more maintainable and b) faster, as it was done in
the makefile generation loop as well.
---
 configure | 42 ++++++++++++------------------------------
 1 file changed, 12 insertions(+), 30 deletions(-)

diff --git a/configure b/configure
index de72c46..0cf7542 100755
--- a/configure
+++ b/configure
@@ -173,6 +173,12 @@ UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
 UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
 
+# detect the "echo without newline" style. usage: echo $ECHO_N "<string>$ECHO_C"
+if echo '\c' | grep '\c' >/dev/null; then
+    ECHO_N=-n
+else
+    ECHO_C='\c'
+fi
 
 #-------------------------------------------------------------------------------
 # window system detection
@@ -399,11 +405,7 @@ elif [ $COMMERCIAL_USER = "yes" ]; then
     else
         if [ -z "$LicenseKeyExt" ]; then
             echo
-            if echo '\c' | grep '\c' >/dev/null; then
-                echo -n "Please enter your license key: "
-            else
-                echo "Please enter your license key: \c"
-            fi
+            echo $ECHO_N "Please enter your license key: $ECHO_C"
             read LicenseKeyExt
             Licensee="Unknown user"
         fi
@@ -3966,11 +3968,7 @@ elif [ "$Edition" = "OpenSource" ]; then
             echo "Type 'yes' to accept this license offer."
             echo "Type 'no' to decline this license offer."
             echo
-            if echo '\c' | grep '\c' >/dev/null; then
-                echo -n "Do you accept the terms of $affix license? "
-            else
-                echo "Do you accept the terms of $affix license? \c"
-            fi
+            echo $ECHO_N "Do you accept the terms of $affix license? $ECHO_C"
             read acceptance
         fi
         echo
@@ -4001,11 +3999,7 @@ elif [ "$Edition" = "Preview" ]; then
             echo "Type 'yes' to accept this license offer."
             echo "Type 'no' to decline this license offer."
             echo
-            if echo '\c' | grep '\c' >/dev/null; then
-                echo -n "Do you accept the terms of the license? "
-            else
-                echo "Do you accept the terms of the license? \c"
-            fi
+            echo $ECHO_N "Do you accept the terms of the license? $ECHO_C"
             read acceptance
         fi
         echo
@@ -4091,11 +4085,7 @@ elif [ "$Edition" != "OpenSource" ]; then
             echo "Type 'yes' to accept this license offer."
             echo "Type 'no' to decline this license offer."
             echo
-            if echo '\c' | grep '\c' >/dev/null; then
-                echo -n "Do you accept the terms of the $TheLicense? "
-            else
-                echo "Do you accept the terms of the $TheLicense? \c"
-            fi
+            echo $ECHO_N "Do you accept the terms of the $TheLicense? $ECHO_C"
             read acceptance
         fi
         echo
@@ -7390,11 +7380,7 @@ else
 fi
 
 if [ "$OPT_VERBOSE" = "yes" ]; then
-    if echo '\c' | grep '\c' >/dev/null; then
-        echo -n "qmake vars .......... "
-    else
-        echo "qmake vars .......... \c"
-    fi
+    echo $ECHO_N "qmake vars .......... $ECHO_C"
     cat "$QMAKE_VARS_FILE" | tr '\n' ' '
     echo "qmake switches ...... $QMAKE_SWITCHES"
 fi
@@ -7771,11 +7757,7 @@ for file in .projects .projects.3; do
             continue;
         fi
         QMAKE_SPEC_ARGS="-spec $SPEC"
-        if echo '\c' | grep '\c' >/dev/null; then
-            echo -n "  for $a"
-        else
-            echo "  for $a\c"
-        fi
+        echo $ECHO_N "  for $a$ECHO_C"
 
         QMAKE="$outpath/bin/qmake"
 	QMAKE_ARGS="$QMAKE_SWITCHES $QMAKE_SPEC_ARGS"
-- 
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