configure: expand ${prefix} in create_config

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

1 files changed, 9 insertions, 0 deletions

diff --git a/create_config b/create_config
index edcad254d..23c0cd51f 100755
--- a/create_config
+++ b/create_config
@@ -13,6 +13,15 @@ case $line in
     pkgversion=${line#*=}
     echo "#define QEMU_PKGVERSION \"$pkgversion\""
     ;;
+ prefix=* | *dir=*) # directory configuration
+    name=${line%=*}
+    value=${line#*=}
+    define_name=`echo $name | tr '[:lower:]' '[:upper:]'`
+    eval "define_value=\"$value\""
+    echo "#define CONFIG_QEMU_$define_name \"$define_value\""
+    # save for the next definitions
+    eval "$name=\$define_value"
+    ;;
  CONFIG_AUDIO_DRIVERS=*)
     drivers=${line#*=}
     echo "#define CONFIG_AUDIO_DRIVERS \\"