diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index fec33fb..8fa931a 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -44,6 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-10.15, macos-11.0]
+        retrace-test: [v1, v2, v2wrapper]
     if: "!contains(github.event.head_commit.message, 'skip ci')"
 
     steps:
@@ -68,9 +69,5 @@ jobs:
           for var in OPENSSL_PREFIX PKG_CONFIG_PATH LDFLAGS CPPFLAGS PATH; do echo "${var}=${!var}" | tee -a "${GITHUB_ENV}"; done
           cd /usr/local/include
           sudo ln -s "${OPENSSL_PREFIX}/include/openssl" .
-      - name: Configure
-        run: |
-          ./autogen.sh
-          ./configure --enable-tests
       - name: Build
-        run: ./ci/main.sh
+        run: ./ci/main.sh ${{ matrix.retrace-test }}
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 7631267..976ef7f 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -38,6 +38,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]
+        retrace-test: [v1, v2, v2wrapper]
     if: "!contains(github.event.head_commit.message, 'skip ci')"
 
     steps:
@@ -47,4 +48,5 @@ jobs:
       - uses: cachix/install-nix-action@v15
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - run: nix-build
+      - run: |
+          nix build .#${{ matrix.retrace-test }} || { nix log /nix/store/*-retrace-unstable.drv ; exit 1 ; }
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 2d77db4..023bf99 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -46,6 +46,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-18.04, ubuntu-20.04]
+        retrace-test: [v1, v2, v2wrapper]
     if: "!contains(github.event.head_commit.message, 'skip ci')"
 
     steps:
@@ -59,9 +60,5 @@ jobs:
         run: |
           ./ci/before_install.sh
           ./ci/install.sh cmocka libnereon
-      - name: Configure
-        run: |
-          ./autogen.sh
-          ./configure --enable-tests
       - name: Build
-        run: ./ci/main.sh
+        run: ./ci/main.sh ${{ matrix.retrace-test }}
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 5983b7f..40ae3b4 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -45,6 +45,8 @@ jobs:
     runs-on: windows-latest
     strategy:
       fail-fast: false
+      matrix:
+        retrace-test: [v1, v2, v2wrapper]
     if: "!contains(github.event.head_commit.message, 'skip ci')"
 
     defaults:
@@ -70,10 +72,5 @@ jobs:
           ./ci/before_install.sh
           ./ci/install.sh libnereon
 
-      - name: Configure
-        run: |
-          ./autogen.sh
-          ./configure --enable-tests
-
       - name: Build
-        run: ./ci/main.sh
+        run: ./ci/main.sh ${{ matrix.retrace-test }}
diff --git a/ci/main.sh b/ci/main.sh
index 10cdd0a..585597c 100755
--- a/ci/main.sh
+++ b/ci/main.sh
@@ -7,30 +7,53 @@ CFLAGS="-I${CMOCKA_INSTALL}/include"
 
 export LD_LIBRARY_PATH CFLAGS LDFLAGS
 
-install_retrace() {
+. ci/lib.sh
+
+: "${SUDO:=$(get_sudo)}"
+
+test_retrace() {
+	{ [[ ! -r Makefile ]] || make clean ; } && \
 	sh autogen.sh && \
-		./configure \
-			--disable-silent-rules \
-			--with-cmocka="${CMOCKA_INSTALL}" \
-			--enable-tests && \
-		make clean && \
-		make
-
-	sudo make install
+	./configure "$@" && \
+	make ${MAKE_FLAGS:+$MAKE_FLAGS}
+
+	$SUDO make install
 	make check
 }
 
-test_retrace() {
-	make clean
-	./configure \
+test_retracev1() {
+	test_retrace \
+		--disable-silent-rules \
+		--with-cmocka="${CMOCKA_INSTALL}" \
+		--enable-tests
+}
+
+test_retracev2() {
+	MAKE_FLAGS=V=1 test_retrace \
 		--enable-v2 \
-		--enable-tests && \
-		make clean
-		make V=1
+		--enable-tests
+}
 
-	sudo make install
-	make check
+test_retracev2wrapper() {
+	MAKE_FLAGS=V=1 test_retrace \
+		--enable-v2 \
+		--enable-v2_wrapper \
+		--enable-tests
+}
+
+main() {
+	# Run these tests by default
+	if [[ $# -lt 1 ]]
+	then
+		test_retracev1
+		test_retracev2
+		test_retracev2wrapper
+	else
+		for arg in "$@"
+		do
+			test_retrace"$arg"
+		done
+	fi
 }
 
-install_retrace
-test_retrace
+main "$@"
diff --git a/flake.nix b/flake.nix
index 7372026..2e51e5a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,7 +11,10 @@
       let
         pkgs = nixpkgs.legacyPackages.${system};
       in
-      {
-        defaultPackage = pkgs.callPackage ./default.nix { };
+      rec {
+        packages.v1 = pkgs.callPackage ./nix/default.nix { };
+        packages.v2 = pkgs.callPackage ./nix/v2.nix { };
+        packages.v2wrapper = pkgs.callPackage ./nix/v2wrapper.nix { };
+        defaultPackage = packages.v1;
       });
 }
diff --git a/default.nix b/nix/default.nix
similarity index 87%
rename from default.nix
rename to nix/default.nix
index c31c6bb..e0f8c5d 100644
--- a/default.nix
+++ b/nix/default.nix
@@ -7,14 +7,16 @@ stdenv.mkDerivation rec {
   pname = "retrace";
   version = "unstable";
 
-  src = ./.;
+  src = ./..;
 
   buildInputs = with pkgs; [
     openssl
   ];
 
   configureFlags = [
+    "--disable-silent-rules"
     "--enable-tests"
+    "--with-cmocka=${pkgs.cmocka}"
   ];
 
   nativeBuildInputs = with pkgs; [
@@ -26,6 +28,8 @@ stdenv.mkDerivation rec {
     cmocka
   ];
 
+  doCheck = true;
+
   outputs = [ "out" "lib" "dev" ];
 
   meta = with lib; {
diff --git a/nix/v2.nix b/nix/v2.nix
new file mode 100644
index 0000000..423ae63
--- /dev/null
+++ b/nix/v2.nix
@@ -0,0 +1,9 @@
+{ pkgs ? import <nixpkgs> { }
+, lib ? pkgs.lib
+, stdenv ? pkgs.stdenv
+}:
+
+(pkgs.callPackage ./default.nix { }).overrideAttrs (oldAttrs: {
+  configureFlags = oldAttrs.configureFlags ++ [ "--enable-v2" ];
+  makeFlags = [ "V=1" ];
+})
diff --git a/nix/v2wrapper.nix b/nix/v2wrapper.nix
new file mode 100644
index 0000000..72d4a67
--- /dev/null
+++ b/nix/v2wrapper.nix
@@ -0,0 +1,8 @@
+{ pkgs ? import <nixpkgs> { }
+, lib ? pkgs.lib
+, stdenv ? pkgs.stdenv
+}:
+
+(pkgs.callPackage ./v2.nix { }).overrideAttrs (oldAttrs: {
+  configureFlags = oldAttrs.configureFlags ++ [ "--enable-v2_wrapper" ];
+})