nixpkgs/pkgs/development/libraries/libmodbus/default.nix

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{ lib, stdenv, fetchurl }:
stdenv.mkDerivation rec {
name = "libmodbus-3.1.6";
src = fetchurl {
url = "http://libmodbus.org/releases/${name}.tar.gz";
sha256 = "05kwz0n5gn9m33cflzv87lz3zp502yp8fpfzbx70knvfl6agmnfp";
};
2019-03-16 16:53:14 +01:00
configureFlags = [
# when cross-compiling we assume that the host system will return a valid
# pointer for calls to malloc(0) or realloc(0)
# https://www.uclibc.org/FAQ.html#gnu_malloc
# https://www.gnu.org/software/autoconf/manual/autoconf.html#index-AC_005fFUNC_005fMALLOC-454
# the upstream source should be patched to avoid needing this
"ac_cv_func_malloc_0_nonnull=yes"
"ac_cv_func_realloc_0_nonnull=yes"
];
meta = with lib; {
description = "Library to send/receive data according to the Modbus protocol";
homepage = "https://libmodbus.org/";
license = licenses.lgpl21Plus;
platforms = platforms.linux;
maintainers = [ maintainers.bjornfor ];
};
}