[Bug build/23681] Program environment variables (AR, LD, AS, ...) are ignored

[carlos at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23681

Carlos O'Donell <carlos at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |jsm28 at gcc dot gnu.org

--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
Joseph Myers might have some background about why this is the case in glibc.

Traditionally we pass arguments to configure directly on the configure command
line e.g. ../../src/glibc/configure --prefix=/usr ... CC='whatever'
CXX='whatever' AR='whatever' AS='whatever' LD='whatever' NM='whatever'
OBJCOPY='whatever' OBJDUMP='whatever' RANLIB='whatever' READELF='whatever'
STRIP='whatever' ...

It might be that we ignore environment variables as a conscious choice because
they are often incorrectly set for building a core system library like glibc.
The library cannot be built with the usual set of options a program would be
built with, and so we require you to consciously do something like:
../../src/glibc/configure ... CC="$(CC)" CXX="$(CXX)" ... to use the
environment variables you want for the build.

I haven't thought very deeply about this problem, or your particular problem
also. Joseph might have more insight here. Adding Joseph to the CC.

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