nixpkgs/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix

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{ stdenv, appleDerivation, autoreconfHook }:
appleDerivation {
postUnpack = "sourceRoot=$sourceRoot/libiconv";
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preConfigure = stdenv.lib.optionalString stdenv.hostPlatform.isiOS ''
sed -i 's/darwin\*/ios\*/g' configure libcharset/configure
'';
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postInstall = ''
mv $out/lib/libiconv.dylib $out/lib/libiconv-nocharset.dylib
${stdenv.cc.bintools.targetPrefix}install_name_tool -id $out/lib/libiconv-nocharset.dylib $out/lib/libiconv-nocharset.dylib
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# re-export one useless symbol; ld will reject a dylib that only reexports other dylibs
echo 'void dont_use_this(){}' | ${stdenv.cc.bintools.targetPrefix}clang -dynamiclib -x c - -current_version 2.4.0 \
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-compatibility_version 7.0.0 -current_version 7.0.0 -o $out/lib/libiconv.dylib \
-Wl,-reexport_library -Wl,$out/lib/libiconv-nocharset.dylib \
-Wl,-reexport_library -Wl,$out/lib/libcharset.dylib
'';
setupHooks = [
../../../../build-support/setup-hooks/role.bash
../../../../development/libraries/libiconv/setup-hook.sh
];
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meta = {
platforms = stdenv.lib.platforms.darwin;
};
}