diff --git a/Makefile b/Makefile
index 2c047ed297..2d64b5dccf 100644
--- a/Makefile
+++ b/Makefile
@@ -2,12 +2,13 @@ PKGS = minima extrema rusthello prog
 
 ################################################################################
 
-.PHONY: build all install release test clean
+.PHONY: build build-all install release test clean
 
 build:
-	nix-build --no-out-link
+	nix-build -A urbit -A urb --no-out-link
 
-all: build release test
+build-all:
+	nix-build --no-out-link
 
 install:
 	nix-env -f . -iA urbit -iA urbit-debug -iA urb
diff --git a/nix/deps/secp256k1/builder.sh b/nix/deps/secp256k1/builder.sh
index 703164c6c1..9e5a114152 100644
--- a/nix/deps/secp256k1/builder.sh
+++ b/nix/deps/secp256k1/builder.sh
@@ -5,7 +5,7 @@ chmod -R u+w ./src
 cd src
 
 libtoolize
-./autogen.sh
-./configure --prefix=$out --host=$host $configureFlags
+bash ./autogen.sh
+bash ./configure --prefix=$out --host=$host $configureFlags
 make
 make install
diff --git a/nix/deps/uv/builder.sh b/nix/deps/uv/builder.sh
index 2d6f324391..d9f0ff42c0 100644
--- a/nix/deps/uv/builder.sh
+++ b/nix/deps/uv/builder.sh
@@ -5,5 +5,5 @@ chmod -R a+w ./src
 cd ./src
 
 LIBTOOLIZE=libtoolize ./autogen.sh
-./configure --prefix=$out --host=$host $configureFlags
+bash ./configure --prefix=$out --host=$host $configureFlags
 make install
diff --git a/nix/pkgs/arvo/builder.sh b/nix/pkgs/arvo/builder.sh
index 31933a29ed..3a0c49ad29 100644
--- a/nix/pkgs/arvo/builder.sh
+++ b/nix/pkgs/arvo/builder.sh
@@ -1,3 +1,4 @@
 source $stdenv/setup
 
-cp -r $src $out
+cp -r $src/ $out
+chmod -R u+w $out
diff --git a/nix/pkgs/ent/builder.sh b/nix/pkgs/ent/builder.sh
index f1c558dd08..464f62e0ba 100644
--- a/nix/pkgs/ent/builder.sh
+++ b/nix/pkgs/ent/builder.sh
@@ -4,5 +4,5 @@ cp -r $src ./src
 chmod -R u+w ./src
 cd ./src
 
-./configure
+bash ./configure
 PREFIX=$out make install
diff --git a/nix/pkgs/urbit/builder.sh b/nix/pkgs/urbit/builder.sh
index 0f2d99d628..3b9ee115e4 100644
--- a/nix/pkgs/urbit/builder.sh
+++ b/nix/pkgs/urbit/builder.sh
@@ -4,7 +4,7 @@ cp -r $src ./src
 chmod -R u+w ./src
 cd src
 
-./configure
+bash ./configure
 
 make urbit urbit-worker -j8
 
diff --git a/nix/pkgs/urbit/release.sh b/nix/pkgs/urbit/release.sh
index adef458786..9983c2831e 100644
--- a/nix/pkgs/urbit/release.sh
+++ b/nix/pkgs/urbit/release.sh
@@ -12,7 +12,7 @@ done
 CC=$host-gcc                \
 PKG_CONFIG=pkg-config-cross \
 HOST=$host                  \
-./configure
+bash ./configure
 
 make urbit urbit-worker -j8