diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..0fae50d
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,27 @@
+---
+kind: pipeline
+type: exec
+name: abacus checks
+
+steps:
+- name: flake check
+  commands:
+  - nix flake check
+
+- name: notifiy
+  commands:
+  - nix run .#matrix-notifier
+  environment:
+    ADDRESS:
+      from_secret: matrix_homeserver
+    ROOM:
+      from_secret: matrix_roomid
+    USER:
+      from_secret: matrix_username
+    PASS:
+      from_secret: matrix_password
+  when:
+    status:
+      - failure
+      - success
+...
diff --git a/flake.nix b/flake.nix
index b2d50ed..56d4ecf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -87,7 +87,6 @@
             ];
 
             meta = with pkgs.lib; {
-              broken = true; # Only breaks under nix
               description = "A simple calculator using big numbers";
               homepage = "https://gitea.belanyi.fr/ambroisie/abacus";
               license = licenses.mit;
diff --git a/src/bignum/meson.build b/src/bignum/meson.build
index 7346d21..af1e4e5 100644
--- a/src/bignum/meson.build
+++ b/src/bignum/meson.build
@@ -5,7 +5,7 @@ bignum_sources = files(
 
 bignum_inc = include_directories('.')
 
-bignum_lib = library(
+bignum_lib = static_library(
   'bignum',
   sources: bignum_sources,
 )
diff --git a/src/meson.build b/src/meson.build
index 182500e..a6c5cb2 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -12,4 +12,5 @@ abacus = executable(
     bignum,
     parse,
   ],
+  install: true,
 )
diff --git a/src/parse/meson.build b/src/parse/meson.build
index 254d868..1a3bdcb 100644
--- a/src/parse/meson.build
+++ b/src/parse/meson.build
@@ -31,7 +31,7 @@ parser_sources = custom_target(
 
 parse_inc = include_directories('.')
 
-parse_lib = library(
+parse_lib = static_library(
   'parser',
   'parser-driver.cc',
   'parser-driver.hh',