[x264-devel] NDK r8c linker warnings for asm files from libx264

[pps .]

> With NDK r8c, linking of X264 encoder issues warnings:
>
> > cannot scan executable section 1 of libx264.a(dct-a.o) for Cortex-A8 erratum because it has no mapping symbols
>
> ... same warning for all assembly files in libx264.
>
> It is very easy to reproduce. The following instructions are for
> MacOS, but exactly same scenario is reproduced on Linux.
>
> 1. Install Android NDK r8c from
> http://dl.google.com/android/ndk/android-ndk-r8c-darwin-x86.zip.
>
> 2. In x264 root directory, run ./configure --enable-pic
> --enable-static
> --cross-prefix=/Users/me/android-ndk-r8c/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/arm-linux-androideabi-
> --sysroot=/Users/me/android-ndk-r8c/platforms/android-14/arch-arm
> --host=arm-linux
>
> 3. Run ~/android-ndk-r8c/prebuilt/darwin-x86/bin/make
>
> It will build the static library, and after that display the Cortex-A8
> warning while linking the x265 executable.
>
> The answer has been published here:
> http://code.google.com/p/android/issues/detail?id=40794#c4.
>
> TL;NR: h264 makefile forcefully strips the mapping symbols.
>
> The easiest workaround is to run
> ~/android-ndk-r8c/prebuilt/linux-x86/bin/make STRIP=
>
> A better patch is to replace lines 182, 186 of the Makefile with
> -@ $(if $(STRIP), $(STRIP) -x -K \$$a -K \$$t -K \$$d $@) #delete
> local/anonymous symbols, so they don't show up in oprofile, except the
> mapping symbols
>

I like
make STRIP=
why the hell it tries to strip before making a static lib (archive)? Isn't it the final .so should be stripped?