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avr-gcc.rb
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avr-gcc.rb
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require 'formula'
def nocxx?
ARGV.include? '--disable-cxx'
end
# print avr-gcc's builtin include paths
# `avr-gcc -print-prog-name=cc1plus` -v
class AvrGcc < Formula
homepage 'http://www.atmel.com/tools/ATMELAVRTOOLCHAINFORLINUX.aspx'
url 'http://distribute.atmel.no/tools/opensource/Atmel-AVR-GNU-Toolchain/3.4.3/avr-gcc-4.8.1.tar.gz'
sha256 'e55e6146d8079dcbe44e561ec6a15a84a4c758d51791bf369faaaa79341b30cd'
depends_on 'knutaldrin/avr/avr-binutils'
depends_on 'gmp'
depends_on 'libmpc'
depends_on 'mpfr'
def options
[
['--disable-cxx', 'Don\'t build the g++ compiler'],
]
end
def install
gmp = Formula.factory 'gmp'
mpfr = Formula.factory 'mpfr'
libmpc = Formula.factory 'libmpc'
# brew's build environment is in our way
ENV.delete 'CFLAGS'
ENV.delete 'CXXFLAGS'
ENV.delete 'AS'
ENV.delete 'LD'
ENV.delete 'NM'
ENV.delete 'RANLIB'
if MacOS.lion?
ENV['CC'] = 'llvm-gcc'
end
args = [
"--target=avr",
"--disable-libssp",
"--disable-nls",
"--with-dwarf2",
# Sandbox everything...
"--prefix=#{prefix}",
"--with-gmp=#{gmp.prefix}",
"--with-mpfr=#{mpfr.prefix}",
"--with-mpc=#{libmpc.prefix}",
# ...except the stuff in share...
"--datarootdir=#{share}",
# ...and the binaries...
"--bindir=#{bin}",
# This shouldn't be necessary
"--with-as=/usr/local/bin/avr-as",
"--with-ld=/usr/local/bin/avr-ld"
]
# The C compiler is always built, C++ can be disabled
languages = %w[c]
languages << 'c++' unless nocxx?
Dir.mkdir 'build'
Dir.chdir 'build' do
system '../configure', "--enable-languages=#{languages.join(',')}", *args
system 'make'
# At this point `make check` could be invoked to run the testsuite. The
# deja-gnu and autogen formulae must be installed in order to do this.
system 'make install'
multios = `gcc --print-multi-os-directory`.chomp
# binutils already has a libiberty.a. We remove ours, because
# otherwise, the symlinking of the keg fails
File.unlink "#{prefix}/lib/#{multios}/libiberty.a"
end
end
end