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Re: [Qemu-devel] [PATCH v2 1/2] qapi: check for python, allow path to be

From: Michael Roth
Subject: Re: [Qemu-devel] [PATCH v2 1/2] qapi: check for python, allow path to be specified
Date: Mon, 25 Jul 2011 09:55:35 -0500
User-agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:5.0) Gecko/20110624 Thunderbird/5.0 
On 07/25/2011 09:36 AM, Blue Swirl wrote:

On Sun, Jul 24, 2011 at 9:36 PM, Michael Roth<address@hidden>  wrote:

QAPI requires python to generate code. Check for python during
configuration and allow python to be specified manually.


Now your patch is almost identical to mine. Maybe you missed it:
http://lists.nongnu.org/archive/html/qemu-devel/2011-07/msg02373.html.



Doh! Yah must've missed it, thought you hadn't sent yet.


There is still one difference, my version puts the python stuff close
to make and install handling, which is more logical since they all are
build tools.



Agreed. Let's stick with your patch :)


Signed-off-by: Michael Roth<address@hidden>
---
  Makefile  |   12 ++++++------
  configure |   13 +++++++++++++
  2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index f3a03ad..daa3aa0 100644
--- a/Makefile
+++ b/Makefile
@@ -168,22 +168,22 @@ test-visitor.o test-qmp-commands.o qemu-ga$(EXESUF): 
QEMU_CFLAGS += -I $(qapi-di

  $(qapi-dir)/test-qapi-types.c: $(qapi-dir)/test-qapi-types.h
  $(qapi-dir)/test-qapi-types.h: $(SRC_PATH)/qapi-schema-test.json 
$(SRC_PATH)/scripts/qapi-types.py
-       $(call quiet-command,python $(SRC_PATH)/scripts/qapi-types.py -o "$(qapi-dir)" -p 
"test-"<  $<, "  GEN   $@")
+       $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py -o "$(qapi-dir)" -p 
"test-"<  $<, "  GEN   $@")
  $(qapi-dir)/test-qapi-visit.c: $(qapi-dir)/test-qapi-visit.h
  $(qapi-dir)/test-qapi-visit.h: $(SRC_PATH)/qapi-schema-test.json 
$(SRC_PATH)/scripts/qapi-visit.py
-       $(call quiet-command,python $(SRC_PATH)/scripts/qapi-visit.py -o "$(qapi-dir)" -p 
"test-"<  $<, "  GEN   $@")
+       $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py -o "$(qapi-dir)" -p 
"test-"<  $<, "  GEN   $@")
  $(qapi-dir)/test-qmp-commands.h: $(qapi-dir)/test-qmp-marshal.c
  $(qapi-dir)/test-qmp-marshal.c: $(SRC_PATH)/qapi-schema-test.json 
$(SRC_PATH)/scripts/qapi-commands.py
-           $(call quiet-command,python $(SRC_PATH)/scripts/qapi-commands.py -o "$(qapi-dir)" -p 
"test-"<  $<, "  GEN   $@")
+           $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py -o "$(qapi-dir)" -p 
"test-"<  $<, "  GEN   $@")

  $(qapi-dir)/qga-qapi-types.c: $(qapi-dir)/qga-qapi-types.h
  $(qapi-dir)/qga-qapi-types.h: $(SRC_PATH)/qapi-schema-guest.json 
$(SRC_PATH)/scripts/qapi-types.py
-       $(call quiet-command,python $(SRC_PATH)/scripts/qapi-types.py -o "$(qapi-dir)" -p 
"qga-"<  $<, "  GEN   $@")
+       $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py -o "$(qapi-dir)" -p 
"qga-"<  $<, "  GEN   $@")
  $(qapi-dir)/qga-qapi-visit.c: $(qapi-dir)/qga-qapi-visit.h
  $(qapi-dir)/qga-qapi-visit.h: $(SRC_PATH)/qapi-schema-guest.json 
$(SRC_PATH)/scripts/qapi-visit.py
-       $(call quiet-command,python $(SRC_PATH)/scripts/qapi-visit.py -o "$(qapi-dir)" -p 
"qga-"<  $<, "  GEN   $@")
+       $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py -o "$(qapi-dir)" -p 
"qga-"<  $<, "  GEN   $@")
  $(qapi-dir)/qga-qmp-marshal.c: $(SRC_PATH)/qapi-schema-guest.json 
$(SRC_PATH)/scripts/qapi-commands.py
-       $(call quiet-command,python $(SRC_PATH)/scripts/qapi-commands.py -o "$(qapi-dir)" -p 
"qga-"<  $<, "  GEN   $@")
+       $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py -o "$(qapi-dir)" -p 
"qga-"<  $<, "  GEN   $@")

  test-visitor.o: $(addprefix $(qapi-dir)/, test-qapi-types.c test-qapi-types.h 
test-qapi-visit.c test-qapi-visit.h) $(qapi-obj-y)
  test-visitor: test-visitor.o qfloat.o qint.o qdict.o qstring.o qlist.o 
qbool.o $(qapi-obj-y) error.o osdep.o qemu-malloc.o $(oslib-obj-y) qjson.o 
json-streamer.o json-lexer.o json-parser.o qerror.o qemu-error.o qemu-tool.o 
$(qapi-dir)/test-qapi-visit.o $(qapi-dir)/test-qapi-types.o
diff --git a/configure b/configure
index 600da9b..16652b5 100755
--- a/configure
+++ b/configure
@@ -225,6 +225,7 @@ strip="${cross_prefix}${STRIP-strip}"
  windres="${cross_prefix}${WINDRES-windres}"
  pkg_config="${cross_prefix}${PKG_CONFIG-pkg-config}"
  sdl_config="${cross_prefix}${SDL_CONFIG-sdl-config}"
+python="${cross_prefix}${PYTHON-python}"

  # default flags for all hosts
  QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
@@ -748,6 +749,8 @@ for opt do
   ;;
   --enable-usb-redir) usb_redir="yes"
   ;;
+  --python=*) python="$optarg"
+  ;;
   *) echo "ERROR: unknown option $opt"; show_help="yes"
   ;;
   esac
@@ -1025,6 +1028,7 @@ echo "  --disable-smartcard-nss  disable smartcard nss 
support"
  echo "  --enable-smartcard-nss   enable smartcard nss support"
  echo "  --disable-usb-redir      disable usb network redirection support"
  echo "  --enable-usb-redir       enable usb network redirection support"
+echo "  --python=PATH            path to python executable [$python]"
  echo ""
  echo "NOTE: The object files are built at the place where configure is 
launched"
  exit 1
@@ -1810,6 +1814,13 @@ EOF
  fi

  ##########################################
+# python probe
+if ! has $python; then
+    echo "python executable not found: $python. You can specify with --python"
+    exit 1
+fi
+
+##########################################
  # glib support probe
  if $pkg_config --modversion glib-2.0>  /dev/null 2>&1 ; then
     glib_cflags=`$pkg_config --cflags glib-2.0 2>/dev/null`
@@ -2655,6 +2666,7 @@ echo "xfsctl support    $xfs"
  echo "nss used          $smartcard_nss"
  echo "usb net redir     $usb_redir"
  echo "OpenGL support    $opengl"
+echo "python            $python"

  if test $sdl_too_old = "yes"; then
  echo "->  Your SDL version is too old - please upgrade to have SDL support"
@@ -3026,6 +3038,7 @@ echo "ARLIBS_END=$arlibs_end">>  $config_host_mak
  echo "LIBS+=$LIBS">>  $config_host_mak
  echo "LIBS_TOOLS+=$libs_tools">>  $config_host_mak
  echo "EXESUF=$EXESUF">>  $config_host_mak
+echo "PYTHON=$python">>  $config_host_mak

  # generate list of library paths for linker script

--
1.7.0.4
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