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require 'formula'
class Minizip < Formula
homepage 'http://www.winimage.com/zLibDll/minizip.html'
url 'http://zlib.net/zlib-1.2.8.tar.gz'
sha1 'a4d316c404ff54ca545ea71a27af7dbc29817088'
version '1.1' # version for minizip, not zlib
option :universal
depends_on 'autoconf' => :build
depends_on 'automake' => :build
depends_on 'libtool' => :build
# configure script fails to detect the right compiler when "cc" is
# clang, not gcc.
# see: https://github.com/Homebrew/homebrew-dupes/pull/228
# https://github.com/madler/zlib/pull/54
patch :DATA
def install
ENV.universal_binary if build.universal?
system './configure', "--prefix=#{prefix}"
system 'make'
cd 'contrib/minizip' do
# edits to statically link to libz.a
inreplace 'Makefile.am' do |s|
s.sub! '-L$(zlib_top_builddir)', '$(zlib_top_builddir)/libz.a'
s.sub! '-version-info 1:0:0 -lz', '-version-info 1:0:0'
s.sub! 'libminizip.la -lz', 'libminizip.la'
end
system 'autoreconf', '-fi'
system './configure', "--prefix=#{prefix}"
system 'make install'
end
end
def caveats
<<-EOS.undent
Minizip headers installed in 'minizip' subdirectory, since they conflict
with the venerable 'unzip' library.
EOS
end
end
__END__
diff --git a/configure b/configure
index b77a8a8..54f33f7 100755
--- a/configure
+++ b/configure
@@ -159,6 +159,7 @@ case "$cc" in
esac
case `$cc -v 2>&1` in
*gcc*) gcc=1 ;;
+ *clang*) gcc=1 ;;
esac
show $cc -c $test.c
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