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30 lines
973 B
Nix
30 lines
973 B
Nix
{ lib, stdenv, fetchurl }:
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stdenv.mkDerivation rec {
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pname = "libmodbus";
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version = "3.1.7";
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src = fetchurl {
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url = "http://libmodbus.org/releases/libmodbus-${version}.tar.gz";
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sha256 = "sha256-ff6VhDHQVwsnHhpbMpt2pljonGFM8RnrWq23Jch/j70=";
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};
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configureFlags = [
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# when cross-compiling we assume that the host system will return a valid
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# pointer for calls to malloc(0) or realloc(0)
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# https://www.uclibc.org/FAQ.html#gnu_malloc
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# https://www.gnu.org/software/autoconf/manual/autoconf.html#index-AC_005fFUNC_005fMALLOC-454
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# the upstream source should be patched to avoid needing this
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"ac_cv_func_malloc_0_nonnull=yes"
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"ac_cv_func_realloc_0_nonnull=yes"
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];
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meta = with lib; {
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description = "Library to send/receive data according to the Modbus protocol";
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homepage = "https://libmodbus.org/";
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license = licenses.lgpl21Plus;
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platforms = platforms.linux;
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maintainers = [ maintainers.bjornfor ];
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};
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}
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