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@@ -7,9 +7,17 @@ BUILD THE PREREQUISITES
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 1. Nu requires PCRE, the Perl-Compatible Regular Expression Library.
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    Before building Nu, download and install pcre, enabling UTF-8.
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    Look for it at http://www.pcre.org.  
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-   To build a universal binary with UTF-8 support, use the following command:
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+   To build and install a universal binary with UTF-8 support, use the
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+   following commands:
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-% env CXXFLAGS="-arch i386 -arch ppc" CFLAGS="-arch i386 -arch ppc" LDFLAGS="-arch i386 -arch ppc" ./configure --disable-dependency-tracking --enable-utf8
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+   % env CXXFLAGS="-arch i386 -arch ppc -arch x86_64" \
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+   	CFLAGS="-arch i386 -arch ppc -arch x86_64" \
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+   	LDFLAGS="-arch i386 -arch ppc -arch x86_64" \
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+   	./configure --disable-dependency-tracking --enable-utf8
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+
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+   % make
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+
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+   % sudo make install
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    When you install PCRE, it's best to put it in /usr/local (the default).
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    If you put it anywhere else, you'll have to modify the Rakefile and Nukefile