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Beta Branch additional nginx & php-fpm Cloudflare zlib library prechecks

Discussion in 'Centmin Mod Github Commits' started by eva2000, Apr 25, 2018.

  1. eva2000

    eva2000 Administrator Staff Member

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    additional nginx & php-fpm Cloudflare zlib library prechecks


    Additional checks against GCC native cpu flags to make sure that GCC supports -mpclmul (enabled). Seems some server configurations with older cpus i.e. Intel Xeon Lynnfield 2009 and Xeon Westmere 2010 are returning GCC flags without -mpclmul enabled causing Nginx operation issues when compiled with Cloudflare zlib performance forked library instead of standard zlib libraries can't load main page after a clean install. This update adds an additional check for pclmul instructions from GCC native output + the existing check for SSE4.2 in /proc/cpuinfo before determining that Cloudflare zlib library can be used for Nginx zlib and PHP-FPM zlib usage. If these 2 checks fail, then Centmin Mod will auto fallback to standard zlib library.

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    123.09beta01 branch
     
  2. eva2000

    eva2000 Administrator Staff Member

    49,025
    11,232
    113
    May 24, 2014
    Brisbane, Australia
    Ratings:
    +17,483
    Local Time:
    2:02 PM
    Nginx 1.21.x
    MariaDB 10.x
    Looks like the issue is due to the web host's server motherboard having AES-NI support disabled within motherboard bios settings so pclmul cpu flag support is not passed onto guest VPS OSes can't load main page after a clean install