Re: [PATCH] Makefile: make NO_ICONV really mean "no iconv"

> The Makefile tweak NO_ICONV is meant to allow Git to be built without
> iconv in case iconv is not installed or is otherwise dysfunctional.
> However, NO_ICONV's disabling of iconv is incomplete and can incorrectly
> allow "-liconv" to slip into the linker flags when NEEDS_LIBICONV is
> defined, which breaks the build when iconv is not installed.
>
> On some platforms, iconv lives directly in libc, whereas, on others it
> resides in libiconv. For the latter case, NEEDS_LIBICONV instructs the
> Makefile to add "-liconv" to the linker flags. config.mak.uname
> automatically defines NEEDS_LIBICONV for platforms which require it.
> The adding of "-liconv" is done unconditionally, despite NO_ICONV.
>
> Work around this problem by making NO_ICONV take precedence over
> NEEDS_LIBICONV.
>
> Reported by: Mahmoud Al-Qudsi <mqudsi@neosmart.net>
> Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
> ---
>
> This patch is extra noisy due to the indentation change. Viewing it with
> "git diff -w" helps. An alternative to re-indenting would have been to
> "undefine NEEDS_LIBICONV", however, 'undefine' was added to GNU make in
> 3.82 but MacOS is stuck on 3.81 (from 2006) so 'undefine' was avoided.