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From fbe4fdfddb096e4e6650908929c366dcc9556ade Mon Sep 17 00:00:00 2001
From: Mark Asselstine <mark.asselstine@windriver.com>
Date: Thu, 27 Feb 2014 21:50:40 -0500
Subject: [PATCH] python: work around host and target python

In order to allow for the build system to make use of python but not
influence the installed software we create a split between PYTHON and
TARGET_PYTHON.

gsyncd.c is the only use of PYTHON on the insalled system so we can
restrict the introduction of TARGET_PYTHON to gsyncd.c and the
associated Makefile.

Upstream-Status: Inappropriate [embedded specific]

Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
[Xulin: minor adjust the code to apply the patch]
Signed-off-by: Xulin Sun <xulin.sun@windriver.com>
[Yi: minor adjust the code to apply the patch on 3.11.1]
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>

---
 configure.ac                    | 2 ++
 geo-replication/src/Makefile.am | 3 ++-
 geo-replication/src/gsyncd.c    | 6 +++---
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 8ce28f6..8e0652a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -270,6 +270,8 @@ AC_CANONICAL_HOST
 AC_PROG_CC
 AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
+AC_SUBST(TARGET_PYTHON)
+
 AC_SUBST([shrext_cmds])
 
 AC_CHECK_PROG([RPCGEN], [rpcgen], [yes], [no])
diff --git a/geo-replication/src/Makefile.am b/geo-replication/src/Makefile.am
index 9937a0b..07456fb 100644
--- a/geo-replication/src/Makefile.am
+++ b/geo-replication/src/Makefile.am
@@ -22,7 +22,8 @@ noinst_HEADERS = procdiggy.h
 AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
 	-I$(top_srcdir)/rpc/xdr/src -I$(top_builddir)/rpc/xdr/src \
 	-DGSYNCD_PREFIX=\"$(GLUSTERFS_LIBEXECDIR)\" -DUSE_LIBGLUSTERFS \
-	-DSBIN_DIR=\"$(sbindir)\" -DPYTHON=\"$(PYTHON)\"
+	-DSBIN_DIR=\"$(sbindir)\" -DPYTHON=\"$(PYTHON)\"\
+	-DTARGET_PYTHON=\"$(TARGET_PYTHON)\"
 
 AM_CFLAGS = -Wall $(GF_CFLAGS)
 
diff --git a/geo-replication/src/gsyncd.c b/geo-replication/src/gsyncd.c
index 2c48ca5..b1d1126 100644
--- a/geo-replication/src/gsyncd.c
+++ b/geo-replication/src/gsyncd.c
@@ -153,9 +153,9 @@ invoke_gsyncd (int argc, char **argv)
                 goto error;
 
         j = 0;
-        python = getenv("PYTHON");
+        python = getenv("TARGET_PYTHON");
         if(!python)
-                python = PYTHON;
+                python = TARGET_PYTHON;
         nargv[j++] = python;
         nargv[j++] = GSYNCD_PREFIX"/python/syncdaemon/"GSYNCD_PY;
         for (i = 1; i < argc; i++)
@@ -205,7 +205,7 @@ find_gsyncd (pid_t pid, pid_t ppid, char *name, void *data)
         ret = 0;
         switch (zeros) {
         case 2:
-                if ((strcmp (basename (buf), basename (PYTHON)) ||
+                if ((strcmp (basename (buf), basename (TARGET_PYTHON)) ||
                      strcmp (basename (buf + strlen (buf) + 1), GSYNCD_PY)) == 0) {
                         ret = 1;
                         break;