pigpio.nix

{ stdenv, fetchFromGitHub, cmake }:

stdenv.mkDerivation {
  pname = "pigpio";
  version = "78";
  src = fetchFromGitHub {
    owner  = "joan2937";
    repo   = "pigpio";
    rev    = "cc17196c7586c3625ac8adf8f34838d320ffeda6";
    sha256 = "0x628bsjb8iqnjvmz3bs0k0jc9m14yq0grfnsnwr53fs6fprh0wr";
  };
  buildInputs = [cmake];
  patches = [ ./pigpio.nix ];
}

pigpio.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 383c445..1caf370 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ find_package(RT REQUIRED)
 
 option(BUILD_SHARED_LIBS "Create shared libraries" ON)
 
-add_compile_options(-Wall)
+add_compile_options(-Wall -g)
 
 # libpigpio.(so|a)
 add_library(pigpio pigpio.c command.c custom.cext)
@@ -124,4 +124,4 @@ endif()
 
 # package project
 
-include (CPack)
\ No newline at end of file
+include (CPack)