From 8be67d500828a8d54abbd7c81579e4145955b1f2 Mon Sep 17 00:00:00 2001
From: Alexis <alexisr245@gmail.com>
Date: Mon, 20 Aug 2018 17:20:02 +0200
Subject: [PATCH] chore: optional deps

---
 include/factory.hpp |  6 ++++++
 meson.build         | 40 +++++++++++++++++++++++++++++++++++-----
 src/factory.cpp     |  6 ++++++
 3 files changed, 47 insertions(+), 5 deletions(-)

diff --git a/include/factory.hpp b/include/factory.hpp
index 7ea8c2c..ce5627c 100644
--- a/include/factory.hpp
+++ b/include/factory.hpp
@@ -2,13 +2,19 @@
 
 #include <json/json.h>
 #include "modules/clock.hpp"
+#ifdef HAVE_SWAY
 #include "modules/sway/workspaces.hpp"
 #include "modules/sway/window.hpp"
+#endif
 #include "modules/battery.hpp"
 #include "modules/memory.hpp"
 #include "modules/cpu.hpp"
+#ifdef HAVE_LIBNL
 #include "modules/network.hpp"
+#endif
+#ifdef HAVE_LIBPULSE
 #include "modules/pulseaudio.hpp"
+#endif
 #include "modules/custom.hpp"
 
 namespace waybar {
diff --git a/meson.build b/meson.build
index b2e5501..43d6c03 100644
--- a/meson.build
+++ b/meson.build
@@ -31,14 +31,44 @@ wlroots = dependency('wlroots', fallback: ['wlroots', 'wlroots'])
 gtkmm = dependency('gtkmm-3.0')
 jsoncpp = dependency('jsoncpp')
 sigcpp = dependency('sigc++-2.0')
-libnl = dependency('libnl-3.0')
-libnlgen = dependency('libnl-genl-3.0')
-libpulse = dependency('libpulse')
+libnl = dependency('libnl-3.0', required: false)
+libnlgen = dependency('libnl-genl-3.0', required: false)
+libpulse = dependency('libpulse', required: false)
+
+src_files = files(
+    'src/factory.cpp',
+    'src/ALabel.cpp',
+    'src/modules/memory.cpp',
+    'src/modules/battery.cpp',
+    'src/modules/clock.cpp',
+    'src/modules/custom.cpp',
+    'src/modules/cpu.cpp',
+    'src/main.cpp',
+    'src/bar.cpp',
+    'src/client.cpp'
+)
+
+if find_program('sway').found()
+    add_project_arguments('-DHAVE_SWAY', language: 'cpp')
+    src_files += [
+        'src/modules/sway/ipc/client.cpp',
+        'src/modules/sway/window.cpp',
+        'src/modules/sway/workspaces.cpp'
+    ]
+endif
+
+if libnl.found() and libnlgen.found()
+    add_project_arguments('-DHAVE_LIBNL', language: 'cpp')
+    src_files += 'src/modules/network.cpp'
+endif
+
+if libpulse.found()
+    add_project_arguments('-DHAVE_LIBPULSE', language: 'cpp')
+    src_files += 'src/modules/pulseaudio.cpp'
+endif
 
 subdir('protocol')
 
-src_files = run_command('find', './src', '-name', '*.cpp').stdout().strip().split('\n')
-
 executable(
     'waybar',
     src_files,
diff --git a/src/factory.cpp b/src/factory.cpp
index 1a190f2..ca35c0e 100644
--- a/src/factory.cpp
+++ b/src/factory.cpp
@@ -10,9 +10,11 @@ waybar::IModule* waybar::Factory::makeModule(const std::string &name) const
     if (name == "battery") {
       return new waybar::modules::Battery(config_[name]);
     }
+    #ifdef HAVE_SWAY
     if (name == "sway/workspaces") {
       return new waybar::modules::sway::Workspaces(bar_, config_[name]);
     }
+    #endif
     if (name == "sway/window") {
       return new waybar::modules::sway::Window(bar_, config_[name]);
     }
@@ -25,12 +27,16 @@ waybar::IModule* waybar::Factory::makeModule(const std::string &name) const
     if (name == "clock") {
       return new waybar::modules::Clock(config_[name]);
     }
+    #ifdef HAVE_LIBNL
     if (name == "network") {
       return new waybar::modules::Network(config_[name]);
     }
+    #endif
+    #ifdef HAVE_LIBPULSE
     if (name == "pulseaudio") {
       return new waybar::modules::Pulseaudio(config_[name]);
     }
+    #endif
     if (name.compare(0, 7, "custom/") == 0 && name.size() > 7) {
       return new waybar::modules::Custom(name.substr(7), config_[name]);
     }