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-rw-r--r--gnu-system.am1
-rw-r--r--gnu/packages/patches/python-libffi-mips-n32-fix.patch21
2 files changed, 22 insertions, 0 deletions
diff --git a/gnu-system.am b/gnu-system.am
index 3c0315e306..969a9116f0 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -510,6 +510,7 @@ dist_patch_DATA = \
gnu/packages/patches/pybugz-stty.patch \
gnu/packages/patches/pyqt-configure.patch \
gnu/packages/patches/python-fix-tests.patch \
+ gnu/packages/patches/python-libffi-mips-n32-fix.patch \
gnu/packages/patches/python-sqlite-3.8.4-test-fix.patch \
gnu/packages/patches/python2-rdflib-drop-sparqlwrapper.patch \
gnu/packages/patches/python2-sqlite-3.8.4-test-fix.patch \
diff --git a/gnu/packages/patches/python-libffi-mips-n32-fix.patch b/gnu/packages/patches/python-libffi-mips-n32-fix.patch
new file mode 100644
index 0000000000..393883779d
--- /dev/null
+++ b/gnu/packages/patches/python-libffi-mips-n32-fix.patch
@@ -0,0 +1,21 @@
+Fix handling of uint32_t arguments on the MIPS N32 ABI.
+
+Patch by Mark H Weaver <mhw@netris.org>.
+
+--- Modules/_ctypes/libffi/src/mips/ffi.c.orig 2013-03-16 07:19:39.000000000 -0400
++++ Modules/_ctypes/libffi/src/mips/ffi.c 2013-10-22 01:11:03.111985247 -0400
+@@ -170,7 +170,14 @@
+ break;
+
+ case FFI_TYPE_UINT32:
++#ifdef FFI_MIPS_N32
++ /* The N32 ABI requires that 32-bit integers
++ be sign-extended to 64-bits, regardless of
++ whether they are signed or unsigned. */
++ *(ffi_arg *)argp = *(SINT32 *)(* p_argv);
++#else
+ *(ffi_arg *)argp = *(UINT32 *)(* p_argv);
++#endif
+ break;
+
+ /* This can only happen with 64bit slots. */