git: gcc120: Deduplicate makefile contents for libstdcxx/libstdc++fs

[Aaron LI]

commit 1f0bbf647d9751967ce37b93246695bb2c7e819c
Author: Aaron LI <aly at aaronly.me>
Date:   Sun Apr 5 18:00:59 2026 +0800

    gcc120: Deduplicate makefile contents for libstdcxx/libstdc++fs
    
    Move the common *FLAGS contents to libstdcxx/Makefile.inc.

Summary of changes:
 gnu/lib/gcc120/libstdc++fs/Makefile                | 19 ++-------------
 gnu/lib/gcc120/libstdcxx/Makefile.inc              | 27 ++++++++++++++++++++++
 .../libstdcxx/components/libconv_1998/Makefile     | 16 -------------
 .../libstdcxx/components/libconv_2011/Makefile     | 16 +------------
 .../libstdcxx/components/libconv_2017/Makefile     | 16 +------------
 .../libstdcxx/components/libconv_2020/Makefile     | 16 +------------
 .../libstdcxx/components/libconv_supc/Makefile     | 15 ------------
 gnu/lib/gcc120/libstdcxx/product/Makefile          | 15 ------------
 8 files changed, 32 insertions(+), 108 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/1f0bbf647d9751967ce37b93246695bb2c7e819c


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