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https://github.com/ilyakooo0/nixpkgs.git
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28b6fb61e6
This is done for the sake of Yosemite, which does not have gcc, and yet this change is also compatible with Linux.
78 lines
3.3 KiB
Nix
78 lines
3.3 KiB
Nix
{ stdenv, fetchurl, file, openssl, mlton, mysql, postgresql, sqlite }:
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stdenv.mkDerivation rec {
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pname = "urweb";
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version = "20141206";
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name = "${pname}-${version}";
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src = fetchurl {
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url = "http://www.impredicative.com/ur/${name}.tgz";
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sha256 = "077yakksxvdjlmwgc9wlz9jnkr345sikqjchvmxyv0axga5bw4rj";
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};
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buildInputs = [ stdenv.cc file openssl mlton mysql postgresql sqlite ];
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prePatch = ''
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sed -e 's@/usr/bin/file@${file}/bin/file@g' -i configure
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'';
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preConfigure =
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''
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export CC="${stdenv.cc}/bin/gcc";
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export CCARGS="-I$out/include \
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-L${mysql}/lib/mysql -L${postgresql}/lib -L${sqlite}/lib";
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export PGHEADER="${postgresql}/include/libpq-fe.h";
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export MSHEADER="${mysql}/include/mysql/mysql.h";
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export SQHEADER="${sqlite}/include/sqlite3.h";
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'';
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configureFlags = "--with-openssl=${openssl}";
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dontDisableStatic = true;
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meta = {
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description = "Construct dynamic web applications backed by SQL databases";
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longDescription = ''
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Ur is a programming language in the tradition of ML and Haskell, but
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featuring a significantly richer type system. Ur is functional, pure,
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statically-typed, and strict. Ur supports a powerful kind of
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metaprogramming based on row types.
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Ur/Web is Ur plus a special standard library and associated rules for
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parsing and optimization. Ur/Web supports construction of dynamic web
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applications backed by SQL databases. The signature of the standard
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library is such that well-typed Ur/Web programs "don't go wrong" in a
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very broad sense. Not only do they not crash during particular page
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generations, but they also may not:
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* Suffer from any kinds of code-injection attacks
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* Return invalid HTML
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* Contain dead intra-application links
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* Have mismatches between HTML forms and the fields expected by their handlers
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* Include client-side code that makes incorrect assumptions about the "AJAX"-style services that the remote web server provides
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* Attempt invalid SQL queries
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* Use improper marshaling or unmarshaling in communication with SQL databases or between browsers and web servers
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This type safety is just the foundation of the Ur/Web methodology. It is
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also possible to use metaprogramming to build significant application pieces
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by analysis of type structure. For instance, the demo includes an ML-style
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functor for building an admin interface for an arbitrary SQL table. The
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type system guarantees that the admin interface sub-application that comes
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out will always be free of the above-listed bugs, no matter which well-typed
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table description is given as input.
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The Ur/Web compiler also produces very efficient object code that does not use
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garbage collection. These compiled programs will often be even more efficient
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than what most programmers would bother to write in C. For example, the
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standalone web server generated for the demo uses less RAM than the bash shell.
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The compiler also generates JavaScript versions of client-side code, with no need
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to write those parts of applications in a different language.
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'';
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homepage = http://www.impredicative.com/ur/;
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license = stdenv.lib.licenses.bsd3;
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platforms = [ "i686-linux" "x86_64-linux" ];
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};
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}
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