Description
looks like the libc.a files haven't changed since API level 21? (and before that, not since 9?)
/tmp/android-ndk-r14-beta1$ find platforms/ -name libc.a | xargs sha1sum | sort
303952da61b721445bd36783a65a12f252bb80c1 platforms/android-21/arch-mips64/usr/lib64/libc.a
303952da61b721445bd36783a65a12f252bb80c1 platforms/android-22/arch-mips64/usr/lib64/libc.a
303952da61b721445bd36783a65a12f252bb80c1 platforms/android-23/arch-mips64/usr/lib64/libc.a
303952da61b721445bd36783a65a12f252bb80c1 platforms/android-24/arch-mips64/usr/lib64/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-12/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-13/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-14/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-15/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-16/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-17/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-18/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-19/arch-arm/usr/lib/libc.a
4fb38c3f717236f53e26f25bc47cd1f4455c83c9 platforms/android-9/arch-arm/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-12/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-13/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-14/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-15/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-16/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-17/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-18/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-19/arch-x86/usr/lib/libc.a
53f7fd97112dc262479057d35de112afd001e4ed platforms/android-9/arch-x86/usr/lib/libc.a
5981f99cea41a70401f6c87bd5d47916cea1d6ae platforms/android-21/arch-arm/usr/lib/libc.a
5981f99cea41a70401f6c87bd5d47916cea1d6ae platforms/android-22/arch-arm/usr/lib/libc.a
5981f99cea41a70401f6c87bd5d47916cea1d6ae platforms/android-23/arch-arm/usr/lib/libc.a
5981f99cea41a70401f6c87bd5d47916cea1d6ae platforms/android-24/arch-arm/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-21/arch-x86_64/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-21/arch-x86/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-22/arch-x86_64/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-22/arch-x86/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-23/arch-x86_64/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-23/arch-x86/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-24/arch-x86_64/usr/lib/libc.a
5a209620ce2d805cbe29bc3b5a122731ce930a1a platforms/android-24/arch-x86/usr/lib/libc.a
5f17a5b10001698571ffe98e58fdfe709b7b79b2 platforms/android-21/arch-x86_64/usr/lib64/libc.a
5f17a5b10001698571ffe98e58fdfe709b7b79b2 platforms/android-22/arch-x86_64/usr/lib64/libc.a
5f17a5b10001698571ffe98e58fdfe709b7b79b2 platforms/android-23/arch-x86_64/usr/lib64/libc.a
5f17a5b10001698571ffe98e58fdfe709b7b79b2 platforms/android-24/arch-x86_64/usr/lib64/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-12/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-13/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-14/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-15/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-16/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-17/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-18/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-19/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-21/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-22/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/an
6D24
droid-23/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-24/arch-mips/usr/libr6/libc.a
72c485139dd3f3ed98654050cddce0f37e8f2f0d platforms/android-9/arch-mips/usr/libr6/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-12/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-13/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-14/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-15/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-16/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-17/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-18/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-19/arch-mips/usr/lib/libc.a
90bc2a46746e5f76bec141b6e24e4c8ef0a5ad10 platforms/android-9/arch-mips/usr/lib/libc.a
a94b8664771de0db1c0bbe1da4f54158f3562be5 platforms/android-21/arch-arm64/usr/lib/libc.a
a94b8664771de0db1c0bbe1da4f54158f3562be5 platforms/android-22/arch-arm64/usr/lib/libc.a
a94b8664771de0db1c0bbe1da4f54158f3562be5 platforms/android-23/arch-arm64/usr/lib/libc.a
a94b8664771de0db1c0bbe1da4f54158f3562be5 platforms/android-24/arch-arm64/usr/lib/libc.a
fafb113df91ed07126abfe9fbfa8cfbe0999e396 platforms/android-21/arch-mips/usr/lib/libc.a
fafb113df91ed07126abfe9fbfa8cfbe0999e396 platforms/android-22/arch-mips/usr/lib/libc.a
fafb113df91ed07126abfe9fbfa8cfbe0999e396 platforms/android-23/arch-mips/usr/lib/libc.a
fafb113df91ed07126abfe9fbfa8cfbe0999e396 platforms/android-24/arch-mips/usr/lib/libc.a
/tmp/android-ndk-r14-beta1$
hit while trying to build toybox with NDK r14beta1 using --unified-headers. we'd get references to stuff (even including stderr) that isn't in the libc.a file.