export include and lib paths for deps

Author: mazunki

deps/botan2/default.nix

@@ -23,3 +23,10 @@ in
       runHook postBuild
     '';
   })
+
+  passthru = (oldAttrs.passthru or {}) // {
+    include_root = "${dev}/include";
+    include = "${dev}/include/botan-2";  # include/botan2/botan/*.h
+    lib = "${lib}/lib";
+  };
+})

deps/http-parser/default.nix

@@ -7,7 +7,7 @@ let
   # TODO: Upstream doesn't use that subdir though, so better fix IncludeOS
   # sources.
   #
-  # Uses a more recent version of nixpkgs to get support for static builds
+  # Uses a more recent version of nixpkgs to get support for static builds  # TODO: verify if still obsolete
   nixpkgsHttpfix = builtins.fetchTarball {
       url = "https://github.com/NixOS/nixpkgs/archive/33f464b661f939689aa56af6b6e27b504c5afb93.tar.gz";
       sha256 = "15bdlccjg14qa7lwkcc7pikvi386ig108ca62hbxfas5wyw1fr62";
@@ -26,4 +26,9 @@ in
       mkdir "$out/include/http-parser"
       ln -sr "$out/include/http_parser.h" "$out/include/http-parser"
     '';
+    passthru = (oldAttrs.passthru or {}) // {
+      include_root = "${dev}/include";
+      include = "${dev}/include";  # TODO: consider subdir?
+      lib = "${self}/lib";
+    };
   })

deps/lest/default.nix

@@ -30,6 +30,10 @@ let
   dev = pkgs.lib.getDev self;
   lib = pkgs.lib.getLib self;
 in
-  self.overrideAttrs (oldAttrs: {
+  self.overrideAttrs (prev: {
+    passthru = (prev.passthru or {}) // {
+      include_root = "${dev}/include";
+      include = "${dev}/include/lest";
+      # lib = "${self}";  # TODO: consider precompiling
+    };
   })
-

deps/uzlib/default.nix

@@ -6,6 +6,7 @@ let
   self = stdenv.mkDerivation rec {
     pname = "uzlib";
 
+    # TODO: update?
     # Latest version, seems incompatible with IncludeOS.
     #version = "2.9.5";
     #
@@ -63,5 +64,10 @@ let
   dev = pkgs.lib.getDev self;
   lib = pkgs.lib.getLib self;
 in
-  self.overrideAttrs (oldAttrs: {
+  self.overrideAttrs (prev: {
+    passthru = (prev.passthru or {}) // {
+      include_root = "${dev}/include";
+      include = "${dev}/include";  # TODO: consider subdir?
+      lib = "${self}/lib";
+    };
   })