[Bug libc/25920] cross-compiling for ARM target fails at linking ld.so.new if THUMB used

["joseph at codesourcery dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=25920

--- Comment #14 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
If you wish to argue for all CFLAGS going in ASFLAGS (or e.g. all -m 
options), the right place to change would be the code in Makeconfig that 
instead just puts -g and -fdebug-prefix-map options from CFLAGS in 
ASFLAGS.  Note that at that point CFLAGS contains many options that are 
specific to C compilation (such as -std=gnu11, for example), so it might 
be necessary to save a copy of relevant flags earlier in Makeconfig / 
refactor how those variables are built up.

Any such proposal would best be sent to libc-alpha rather than in the 
discussion of a bug report, and would need to include an analysis of the 
history of why ASFLAGS only includes certain CFLAGS settings at present.  
It's quite likely the reasons are historical and it would be safe for 
nearly all options in CFLAGS to be passed in ASFLAGS, but we need to try 
to understand what the reasons were and what might break first.

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