title: Can't install ImageMagick on CentOS 7 [magick/magick_libMagickCore_6_Q16_la-distribute-cache.lo]
body: <p>I am having some issues installing ImageMagick on my CentOS 7 server.</p>
  
  <p>Here is the commands I used:</p>
  
  <pre><code>./configure --without-threads
  </code></pre>
  
  <p>Everything looks ok.</p>
  
  <pre><code>                  Option                        Value
  -------------------------------------------------------------------------------
  Shared libraries  --enable-shared=yesyes
  Static libraries  --enable-static=yesyes
  Module support    --with-modules=nono
  GNU ld            --with-gnu-ld=yesyes
  Quantum depth     --with-quantum-depth=1616
  High Dynamic Range Imagery
                    --enable-hdri=nono
  
  Install documentation:yes
  
  Delegate Library Configuration:
  BZLIB             --with-bzlib=yesyes
  Autotrace         --with-autotrace=nono
  DJVU              --with-djvu=yesyes
  DPS               --with-dps=yesno
  FFTW              --with-fftw=yesno
  FlashPIX          --with-fpx=yesno
  FontConfig        --with-fontconfig=yesyes
  FreeType          --with-freetype=yesyes
  Ghostscript lib   --with-gslib=nono
  Graphviz          --with-gvc=no
  JBIG              --with-jbig=yesno
  JPEG v1           --with-jpeg=yesyes
  JPEG-2000         --with-jp2=
  LCMS v1           --with-lcms=yesno
  LCMS v2           --with-lcms2=yesno
  LQR               --with-lqr=yesno
  LTDL              --with-ltdl=yesno
  LZMA              --with-lzma=yesyes
  Magick++          --with-magick-plus-plus=yesno (failed tests)
  OpenEXR           --with-openexr=yesyes
  OpenJP2           --with-openjp2=yesno
  PANGO             --with-pango=yesyes
  PERL              --with-perl=nono
  PNG               --with-png=yesyes
  RSVG              --with-rsvg=nono
  TIFF              --with-tiff=yesyes
  WEBP              --with-webp=yesno
  WMF               --with-wmf=nono
  X11               --with-x=yes
  XML               --with-xml=yesyes
  ZLIB              --with-zlib=yesyes
  
  Delegate Program Configuration:
  GhostPCL          Nonepcl6 (unknown)
  GhostXPS          Nonegxps (unknown)
  Ghostscript       Nonegs (9.07)
  
  Font Configuration:
  Apple fonts       --with-apple-font-dir=defaultnone
  Dejavu fonts      --with-dejavu-font-dir=defaultnone
  Ghostscript fonts --with-gs-font-dir=default/usr/share/fonts/default/Type1/
  Windows fonts     --with-windows-font-dir=defaultnone
  
  X11 Configuration:
        X_CFLAGS        = 
        X_PRE_LIBS      = -lSM -lICE
        X_LIBS          = 
        X_EXTRA_LIBS    = 
  
  Options used to compile and link:
    PREFIX          = /usr/local
    EXEC-PREFIX     = /usr/local
    VERSION         = 6.9.0
    CC              = gcc -std=gnu99 -std=gnu99
    CFLAGS          = -pthread -I/usr/include/OpenEXR -I/usr/include/libdrm -I/usr/include/freetype2 -g -O2 -Wall -march=corei7-avx -fexceptions -DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16
    CPPFLAGS        = -pthread -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng15 -I/usr/include/libdrm -I/usr/include/freetype2 -DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16 -I/usr/include/libxml2
    PCFLAGS         = 
    DEFS            = -DHAVE_CONFIG_H
    LDFLAGS         = 
    LIBS            = 
    CXX             = g++
    CXXFLAGS        = 
    FEATURES        = DPC
    DELEGATES       = bzlib djvu mpeg fontconfig freetype jng jpeg lzma openexr pango png ps tiff x xml zlib
  </code></pre>
  
  <p>Then I do:</p>
  
  <pre><code>make -j16
  </code></pre>
  
  <p>And I get this:</p>
  
  <pre><code>magick/distribute-cache.c:751:28: warning: 'DistributePixelCacheClient' defined but not used [-Wunused-function]
   static HANDLER_RETURN_TYPE DistributePixelCacheClient(void *socket)
                              ^
  make[1]: *** [magick/magick_libMagickCore_6_Q16_la-distribute-cache.lo] Error 1
  make[1]: *** Waiting for unfinished jobs....
  In file included from magick/magick.c:72:0:
  ./magick/semaphore-private.h:36:3: warning: 'semaphore_mutex' defined but not used [-Wunused-variable]
     semaphore_mutex = 0;
     ^
  make[1]: Leaving directory `/usr/local/src/ImageMagick-6.9.0-2'
  make: *** [all] Error 2
  </code></pre>
  
  <p>What am I doing wrong? What am I missing?</p>