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How do you compile Gem on OSX?

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This FAQ applies to: 0.92.3, 0.92.0, 0.92svn, 0.92.2, 0.92.4

i want to compile Gem on my OSX machine, but wonder how to do? what are you (the upstream maintainer) using to compile Gem for the releases?

available build environemnts

you should be able to build Gem either using autoconf or XCode

autoconf

coming from a linux background (and often running builds on remote machines), i personally prefer the "autoconf" build-system

this is also used for the Pd-extended autobuilds

setup for Gem-0.92.0

  • PowerBook G4 running OSX 10.5.8
  • FTGL/freetype2 have been compiled statically into a universal binary beforehand (by somebody; the URL is dead by now; i happen to have a local copy on my machine)
  • all the rest seems to come with OSX
  • i used autoconf (rather than XCode) with the following configure-line::

    PKG_FTGL_CFLAGS="-I/Users/zmoelnig/Development/pd-gem/GemLibs/FTGL/freetype\ include/ -I/Users/zmoelnig/Development/pd-gem/GemLibs/FTGL/include/" PKG_FTGL_LIBS="/Users/zmoelnig/Development/pd-gem/GemLibs/FTGL/mac/build/Universal/libftgl.a" ./configure --with-pd=/Users/zmoelnig/Development/pure-data/pd --with-extension=d_fat --enable-fat-binary

notes on OSX-10.6 (aka "Snow Leopard")

  • since i only have a PowerBook, i cannot upgrade to 10.6 (which has dropped support for PowerPC)
  • users report that compilation works fine when forcing the build to be i386 only (OSX10.6 has no legacy support for ppc; Gem has no support for x86_64 on OSX yet). for this to work you have to specify --enable-fat-binary=i386

Xcode

in build/osx-xcode you can find a xcode-project for Gem

font-support

you need FTGL (which in turn needs freetype)

for downloadable Gem-binaries it is better to have FTGL (and freetype) linked statically!

freetype

  • get freetype-2.4.4 from e.g. sourceforge and unpack it
  • ./configure --disable-shared --enable-biarch-config CFLAGS="-arch ppc -arch i386"
  • make && sudo make install

FTGL

  • get FTGL from sourceforge (i did a checkout of the SVN trunk; today this was revision 1266)
  • ./configure --without-x --disable-shared --disable-dependency-tracking CFLAGS="-arch i386 -arch ppc" CXXFLAGS="-arch i386 -arch ppc" LDFLAGS="-arch i386 -arch ppc"
  • make && sudo make install

building Gem

these are the additional flags (rather environment variables) passed to Gem

  • ./configure --disable-dependency-tracking --enable-fat-binary=ppc,i386 PKG_FTGL_CFLAGS="-I/usr/local/include/FTGL $(freetype-config --cflags)" PKG_FTGL_LIBS="-L/usr/local/lib/ -lftgl -lfreetype"
by IOhannes m zmoelnig last modified 2011-06-14 12:42 PM

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