89 lines
3.6 KiB
Nix
89 lines
3.6 KiB
Nix
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{ fetchurl, stdenv, lib
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, enableStatic ? stdenv.hostPlatform.isStatic
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, enableShared ? !stdenv.hostPlatform.isStatic
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, enableDarwinABICompat ? false
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}:
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# assert !stdenv.hostPlatform.isLinux || stdenv.hostPlatform != stdenv.buildPlatform; # TODO: improve on cross
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stdenv.mkDerivation rec {
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pname = "libiconv";
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version = "1.17";
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src = fetchurl {
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url = "mirror://gnu/libiconv/${pname}-${version}.tar.gz";
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sha256 = "sha256-j3QhO1YjjIWlClMp934GGYdx5w3Zpzl3n0wC9l2XExM=";
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};
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enableParallelBuilding = true;
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setupHooks = [
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../../../build-support/setup-hooks/role.bash
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./setup-hook.sh
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];
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postPatch =
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lib.optionalString ((stdenv.hostPlatform != stdenv.buildPlatform && stdenv.hostPlatform.isMinGW) || stdenv.cc.nativeLibc)
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''
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sed '/^_GL_WARN_ON_USE (gets/d' -i srclib/stdio.in.h
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''
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+ lib.optionalString (!enableShared) ''
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sed -i -e '/preload/d' Makefile.in
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''
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# The system libiconv is based on libiconv 1.11 with some ABI differences. The following changes
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# build a compatible libiconv on Darwin, allowing it to be sustituted in place of the system one
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# using `install_name_tool`. This removes the need to for a separate, Darwin-specific libiconv
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# derivation and allows Darwin to benefit from upstream updates and fixes.
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+ lib.optionalString enableDarwinABICompat ''
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for iconv_h_in in iconv.h.in iconv.h.build.in; do
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substituteInPlace "include/$iconv_h_in" \
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--replace-fail "#define iconv libiconv" "" \
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--replace-fail "#define iconv_close libiconv_close" "" \
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--replace-fail "#define iconv_open libiconv_open" "" \
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--replace-fail "#define iconv_open_into libiconv_open_into" "" \
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--replace-fail "#define iconvctl libiconvctl" "" \
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--replace-fail "#define iconvlist libiconvlist" ""
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done
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'';
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# This is hacky, but `libiconv.dylib` needs to reexport `libcharset.dylib` to match the behavior
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# of the system libiconv on Darwin. Trying to do this by modifying the `Makefile` results in an
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# error linking `iconv` because `libcharset.dylib` is not at its final path yet. Avoid the error
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# by building without the reexport then clean and rebuild `libiconv.dylib` with the reexport.
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#
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# For an explanation why `libcharset.dylib` is reexported, see:
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# https://github.com/apple-oss-distributions/libiconv/blob/a167071feb7a83a01b27ec8d238590c14eb6faff/xcodeconfig/libiconv.xcconfig
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postBuild = lib.optionalString enableDarwinABICompat ''
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make clean -C lib
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NIX_CFLAGS_COMPILE+=" -Wl,-reexport-lcharset -L. " make -C lib -j$NIX_BUILD_CORES SHELL=$SHELL
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'';
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configureFlags = [
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(lib.enableFeature enableStatic "static")
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(lib.enableFeature enableShared "shared")
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] ++ lib.optional stdenv.isFreeBSD "--with-pic";
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meta = {
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description = "An iconv(3) implementation";
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longDescription = ''
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Some programs, like mailers and web browsers, must be able to convert
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between a given text encoding and the user's encoding. Other programs
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internally store strings in Unicode, to facilitate internal processing,
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and need to convert between internal string representation (Unicode)
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and external string representation (a traditional encoding) when they
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are doing I/O. GNU libiconv is a conversion library for both kinds of
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applications.
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'';
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homepage = "https://www.gnu.org/software/libiconv/";
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license = lib.licenses.lgpl2Plus;
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maintainers = [ ];
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mainProgram = "iconv";
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# This library is not needed on GNU platforms.
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hydraPlatforms = with lib.platforms; cygwin ++ darwin ++ freebsd;
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};
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}
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