gdb: fix gdb's dependency to PYTHONHOME env

gdb was unable to locate python without using PYTHONHOME
environment variable.

Change-Id: I5fe5d37ab88a0d186f91dbedcab1a480869da311
Reviewed-by: Samuli Piippo <samuli.piippo@digia.com>

2 files changed, 34 insertions, 0 deletions

diff --git a/recipes/gdb/files/0001-help-python-find-itself-correctly.patch b/recipes/gdb/files/0001-help-python-find-itself-correctly.patch
new file mode 100644
index 0000000..c836507
--- /dev/null
+++ b/recipes/gdb/files/0001-help-python-find-itself-correctly.patch
@@ -0,0 +1,30 @@
+From d7496f873617892ce82b200c3acdf3d87141d06c Mon Sep 17 00:00:00 2001
+From: Samuli Piippo <samuli.piippo@digia.com>
+Date: Thu, 9 May 2013 15:46:15 +0300
+Subject: [PATCH] help python find itself correctly
+
+The WITH_PYTHON_PATH python path does not work with relocatable
+SDK. Instead use program name since it's bound to be in correct place.
+---
+ gdb/main.c |    5 +----
+ 1 file changed, 1 insertion(+), 4 deletions(-)
+
+diff --git a/gdb/main.c b/gdb/main.c
+index 976f8ae..aa1913d 100644
+--- a/gdb/main.c
++++ b/gdb/main.c
+@@ -369,10 +369,7 @@ captured_main (void *data)
+ #ifdef WITH_PYTHON_PATH
+   {
+     /* For later use in helping Python find itself.  */
+-    char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", NULL);
+-
+-    python_libdir = relocate_gdb_directory (tmp, PYTHON_PATH_RELOCATABLE);
+-    xfree (tmp);
++    python_libdir = gdb_program_name;
+   }
+ #endif
+ 
+-- 
+1.7.10.4
+
diff --git a/recipes/gdb/gdb-cross-canadian_7.5.1.bbappend b/recipes/gdb/gdb-cross-canadian_7.5.1.bbappend
new file mode 100644
index 0000000..6f08842
--- /dev/null
+++ b/recipes/gdb/gdb-cross-canadian_7.5.1.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+SRC_URI += "file://0001-help-python-find-itself-correctly.patch"
+