Add 'Android.mk' file, fix compile on Android.
This requires disabling LDPRELOAD and temporarily disabling
capabilities support.
Reland of https://android-review.googlesource.com/#/c/159755/
with compile fixes. Compile-tested on
aosp_{x86,x86_64,arm,arm64,mips64}-eng.
Bug: 22487289
Change-Id: Ia4530cf09b074aa0a2afe5a5b307ff3c5c5d6c08
diff --git a/bpf.h b/bpf.h
index 7cbc5dd..fdf8279 100644
--- a/bpf.h
+++ b/bpf.h
@@ -84,14 +84,11 @@
#define bpf_comp_jset bpf_comp_jset64
/* Ensure that we load the logically correct offset. */
-#if defined(__LITTLE_ENDIAN)
+#if defined(__LITTLE_ENDIAN__)
#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)])
#define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32)
-#elif defined(__BIG_ENDIAN)
-#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32)
-#define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)])
#else
-#error "Unknown endianness"
+#error "Unsupported endianness"
#endif
#else