kuetemeier/image-opt repository overview

$ docker run kuetemeier/image-opt gm -version

GraphicsMagick 1.3.31 2018-11-17 Q16 http://www.GraphicsMagick.org/
Copyright (C) 2002-2018 GraphicsMagick Group.
Additional copyrights and licenses apply to this software.
See http://www.GraphicsMagick.org/www/Copyright.html for details.

Feature Support:
  Native Thread Safe       yes
  Large Files (> 32 bit)   yes
  Large Memory (> 32 bit)  yes
  BZIP                     no
  DPS                      no
  FlashPix                 no
  FreeType                 no
  Ghostscript (Library)    no
  JBIG                     no
  JPEG-2000                no
  JPEG                     yes
  Little CMS               no
  Loadable Modules         yes
  OpenMP                   yes (201511)
  PNG                      yes
  TIFF                     no
  TRIO                     no
  UMEM                     no
  WebP                     no
  WMF                      no
  X11                      no
  XML                      no
  ZLIB                     yes

Host type: x86_64-pc-linux-musl

Configured using the command:
  ./configure  '--build=' '--host=' '--prefix=/usr' '--sysconfdir=/etc' '--mandir=/usr/share/man' '--infodir=/usr/share/info'     '--localstatedir=/var' '--enable-shared' '--disable-static' '--with-modules' '--with-threads' '--with-gs-font-dir=/usr/share/    fonts/Type1' '--with-quantum-depth=16' 'build_alias=' 'host_alias='

Final Build Parameters:
  CC       = gcc
  CFLAGS   = -fopenmp -g -O2 -Wall
  CPPFLAGS =
  CXX      = g++
  CXXFLAGS =
  LDFLAGS  =
  LIBS     = -lz -lltdl -lm -lpthread