Fix "make install prefix=/somewhere".

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2452 c046a42c-6fe2-441c-8c8c-71466251a162

configure

@@ -559,28 +559,28 @@ if [ -x "`which texi2html`" ] && [ -x "`which pod2man`" ]; then
 fi
 
 if test "$mingw32" = "yes" ; then
-if test -z "$prefix" ; then
-    prefix="/c/Program Files/Qemu"
-fi
-mandir="$prefix"
-datadir="$prefix"
-docdir="$prefix"
-bindir="$prefix"
+  if test -z "$prefix" ; then
+      prefix="/c/Program Files/Qemu"
+  fi
+  mansuffix=""
+  datasuffix=""
+  docsuffix=""
+  binsuffix=""
 else
-if test -z "$prefix" ; then
-    prefix="/usr/local"
-fi
-mandir="$prefix/share/man"
-datadir="$prefix/share/qemu"
-docdir="$prefix/share/doc/qemu"
-bindir="$prefix/bin"
+  if test -z "$prefix" ; then
+      prefix="/usr/local"
+  fi
+  mansuffix="/share/man"
+  datasuffix="/share/qemu"
+  docsuffix="/share/doc/qemu"
+  binsuffix="/bin"
 fi
 
 echo "Install prefix    $prefix"
-echo "BIOS directory    $datadir"
-echo "binary directory  $bindir"
+echo "BIOS directory    $prefix$datasuffix"
+echo "binary directory  $prefix$binsuffix"
 if test "$mingw32" = "no" ; then
-echo "Manual directory  $mandir"
+echo "Manual directory  $prefix$mansuffix"
 echo "ELF interp prefix $interp_prefix"
 fi
 echo "Source path       $source_path"
@@ -640,11 +640,11 @@ echo "# Configured with: $0 $@" >> $config_mak
 echo "/* Automatically generated by configure - do not modify */" > $config_h
 
 echo "prefix=$prefix" >> $config_mak
-echo "bindir=$bindir" >> $config_mak
-echo "mandir=$mandir" >> $config_mak
-echo "datadir=$datadir" >> $config_mak
-echo "docdir=$docdir" >> $config_mak
-echo "#define CONFIG_QEMU_SHAREDIR \"$datadir\"" >> $config_h
+echo "bindir=\${prefix}$binsuffix" >> $config_mak
+echo "mandir=\${prefix}$mansuffix" >> $config_mak
+echo "datadir=\${prefix}$datasuffix" >> $config_mak
+echo "docdir=\${prefix}$docsuffic" >> $config_mak
+echo "#define CONFIG_QEMU_SHAREDIR \"$prefix$datasuffix\"" >> $config_h
 echo "MAKE=$make" >> $config_mak
 echo "INSTALL=$install" >> $config_mak
 echo "CC=$cc" >> $config_mak