classpath: Fix build with targets aarch64

Fixes:
| In file included from ../../../classpath-0.99/native/fdlibm/fdlibm.h:36,
|                  from ../../../classpath-0.99/native/fdlibm/e_exp.c:76:
| ../../../classpath-0.99/native/fdlibm/ieeefp.h:163:2: error: #error Endianess not declared!!
|  #error Endianess not declared!!
|   ^~~~~
| In file included from ../../classpath-0.99/native/fdlibm/fdlibm.h:40,

Signed-off-by: Ricardo Ribalda Delgado <ricardo@ribalda.com>
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/recipes-core/classpath/classpath-0.99/aarch64.patch b/recipes-core/classpath/classpath-0.99/aarch64.patch
new file mode 100644
index 0000000..4de40fb
--- /dev/null
+++ b/recipes-core/classpath/classpath-0.99/aarch64.patch
@@ -0,0 +1,19 @@
+Upstream-Status: Inappropriate [upstream is dead]
+
+Signed-off-by: Ricardo Ribalda <ricardo@ribalda.com>
+
+diff --git a/native/fdlibm/ieeefp.h b/native/fdlibm/ieeefp.h
+index c230bbb..700dd3a 100644
+--- a/native/fdlibm/ieeefp.h
++++ b/native/fdlibm/ieeefp.h
+@@ -158,6 +158,10 @@
+ #define __IEEE_BIG_ENDIAN
+ #endif
+ 
++#ifdef __aarch64__
++#define __IEEE_LITTLE_ENDIAN
++#endif
++
+ #ifndef __IEEE_BIG_ENDIAN
+ #ifndef __IEEE_LITTLE_ENDIAN
+ #error Endianess not declared!!