Merge pull request #57824 from illegalprime/fix/libmodbus-cross

libmodbus: fix for cross compilation
NixOS · Mar 29, 2019 · 382333b · 382333b
2 parents b903820 bce7e3b
commit 382333b
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/pkgs/development/libraries/libmodbus/default.nix b/pkgs/development/libraries/libmodbus/default.nix
@@ -8,6  8,16 @@ stdenv.mkDerivation rec {
     sha256 = "0drnil8bzd4n4qb0wv3ilm9zvypxvwmzd65w96d6kfm7x6q65j68";
   };
 
   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 stdenv.lib; {
     description = "Library to send/receive data according to the Modbus protocol";
     homepage = http://libmodbus.org/;