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authorRoss Burton <ross.burton@intel.com>2018-05-15 23:32:10 -0700
committerBrad Bishop <bradleyb@fuzziesquirrel.com>2018-07-19 02:24:37 +0000
commit4d4042d1021ef892c65726504d2600b1e40f39d6 (patch)
tree68955f706a4f6f1c76d6c311188ca13829bc5bc9 /import-layers
parent74a89f930992e7816c7634c23c139a6ad0247f3b (diff)
downloadtalos-openbmc-4d4042d1021ef892c65726504d2600b1e40f39d6.tar.gz
talos-openbmc-4d4042d1021ef892c65726504d2600b1e40f39d6.zip
python2: Fix build with gcc8
Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Khem Raj <raj.khem@gmail.com> Change-Id: Iddcb02c07c457cb27d6e0f69b7bbf6c4a14e61d3 [patch from openembedded-core mailing list] Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'import-layers')
-rw-r--r--import-layers/yocto-poky/meta/recipes-devtools/python/python-native_2.7.14.bb1
-rw-r--r--import-layers/yocto-poky/meta/recipes-devtools/python/python/fix-gc-alignment.patch43
-rw-r--r--import-layers/yocto-poky/meta/recipes-devtools/python/python_2.7.14.bb1
3 files changed, 45 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-devtools/python/python-native_2.7.14.bb b/import-layers/yocto-poky/meta/recipes-devtools/python/python-native_2.7.14.bb
index 7c491fa3e..b822583c5 100644
--- a/import-layers/yocto-poky/meta/recipes-devtools/python/python-native_2.7.14.bb
+++ b/import-layers/yocto-poky/meta/recipes-devtools/python/python-native_2.7.14.bb
@@ -16,6 +16,7 @@ SRC_URI += "\
file://builddir.patch \
file://parallel-makeinst-create-bindir.patch \
file://revert_use_of_sysconfigdata.patch \
+ file://fix-gc-alignment.patch \
"
S = "${WORKDIR}/Python-${PV}"
diff --git a/import-layers/yocto-poky/meta/recipes-devtools/python/python/fix-gc-alignment.patch b/import-layers/yocto-poky/meta/recipes-devtools/python/python/fix-gc-alignment.patch
new file mode 100644
index 000000000..b63cd0874
--- /dev/null
+++ b/import-layers/yocto-poky/meta/recipes-devtools/python/python/fix-gc-alignment.patch
@@ -0,0 +1,43 @@
+Upstream-Status: Submitted
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+Fix for over-aligned GC info
+Patch by Florian Weimer
+
+See: https://bugzilla.redhat.com/show_bug.cgi?id=1540316
+Upstream discussion: https://mail.python.org/pipermail/python-dev/2018-January/152000.html
+
+diff --git a/Include/objimpl.h b/Include/objimpl.h
+index 55e83eced6..aa906144dc 100644
+--- a/Include/objimpl.h
++++ b/Include/objimpl.h
+@@ -248,6 +248,18 @@ PyAPI_FUNC(PyVarObject *) _PyObject_GC_Resize(PyVarObject *, Py_ssize_t);
+ /* for source compatibility with 2.2 */
+ #define _PyObject_GC_Del PyObject_GC_Del
+
++/* Former over-aligned definition of PyGC_Head, used to compute the
++ size of the padding for the new version below. */
++union _gc_head;
++union _gc_head_old {
++ struct {
++ union _gc_head *gc_next;
++ union _gc_head *gc_prev;
++ Py_ssize_t gc_refs;
++ } gc;
++ long double dummy;
++};
++
+ /* GC information is stored BEFORE the object structure. */
+ typedef union _gc_head {
+ struct {
+@@ -255,7 +267,8 @@ typedef union _gc_head {
+ union _gc_head *gc_prev;
+ Py_ssize_t gc_refs;
+ } gc;
+- long double dummy; /* force worst-case alignment */
++ double dummy; /* force worst-case alignment */
++ char dummy_padding[sizeof(union _gc_head_old)];
+ } PyGC_Head;
+
+ extern PyGC_Head *_PyGC_generation0;
+ \ No newline at end of file
diff --git a/import-layers/yocto-poky/meta/recipes-devtools/python/python_2.7.14.bb b/import-layers/yocto-poky/meta/recipes-devtools/python/python_2.7.14.bb
index 0a09926df..41a8609b1 100644
--- a/import-layers/yocto-poky/meta/recipes-devtools/python/python_2.7.14.bb
+++ b/import-layers/yocto-poky/meta/recipes-devtools/python/python_2.7.14.bb
@@ -30,6 +30,7 @@ SRC_URI += "\
file://add-CROSSPYTHONPATH-for-PYTHON_FOR_BUILD.patch \
file://pass-missing-libraries-to-Extension-for-mul.patch \
file://support_SOURCE_DATE_EPOCH_in_py_compile_2.7.patch \
+ file://fix-gc-alignment.patch \
"
S = "${WORKDIR}/Python-${PV}"
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