arm64ilp32 is a new 32-bit ABI 'ILP32' for the arm64 architecture,
which normally uses the 'LP64' ABI
We are adding support to Debian so that it is possible to build this architecture. glibc is part of the toolchain bootstrap so needs to
support this. However the ABI is not yet in upstream glibc because
they are waiting for the kernel to adopt the final ABI interface
first. The branch for tracking is here: https://git.linaro.org/toolchain/glibc.git/log/?h=arm/ilp32
Attached is the (fairly trivial) patch for adding support to the debian packaging so that once upstream supports this it can be built.
diff -urN glibc-2.24/debian/control glibc-2.24.patched/debian/control
--- glibc-2.24/debian/control 2017-04-09 21:28:38.000000000 +0000
+++ glibc-2.24.patched/debian/control 2017-05-18 13:19:04.001882367 +0000
@@ -157,7 +157,7 @@
be removed once nothing on the system depends on it.
-Architecture: amd64 arm64 armel armhf hppa i386 m68k mips mipsel mipsn32 mipsn32el mips64 mips64el nios2 powerpc powerpcspe ppc64 ppc64el sparc sparc64 s390x sh3 sh4 x32
+Architecture: amd64 arm64 arm64ilp32 armel armhf hppa i386 m68k mips mipsel mipsn32 mipsn32el mips64 mips64el nios2 powerpc powerpcspe ppc64 ppc64el sparc sparc64 s390x sh3 sh4 x32
@@ -188,7 +188,7 @@
and the standard math library, as well as many others.