diff --git a/README.md b/README.md
index a741c97..8a37688 100644
--- a/README.md
+++ b/README.md
@@ -23,9 +23,9 @@ Toxic is a [Tox](https://tox.im)-based instant messenging client which formerly
 * [libnotify](https://developer.gnome.org/libnotify) (for Debian based systems, 'libnotify-dev')
 
 ##### Documentation
-* [Asciidoc](http://asciidoc.org/index.html) Only required for regenerating manpages.
-* Run `make` in the doc directory after editing the asciidoc to regenerate the manpages.
-* Asciidoc files and generated manpages will need to be commited together.
+* [Asciidoc](http://asciidoc.org/index.html) (only required for regenerating manpages)
+  * Run `make doc` after editing the asciidoc files to regenerate the manpages.
+  * **NOTE FOR DEVELOPERS**: asciidoc files and generated manpages will need to be commited together.
 
 ### Compiling
 1. `cd build/`
diff --git a/build/Makefile b/build/Makefile
index 3e2de83..7400400 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -1,17 +1,7 @@
-TOXIC_VERSION = 0.4.7
-REV = $(shell git rev-list HEAD --count)
-VERSION = $(TOXIC_VERSION)_r$(REV)
-
 BASE_DIR = $(shell cd .. && pwd -P)
 CFG_DIR = $(BASE_DIR)/cfg
-DOC_DIR = $(BASE_DIR)/doc
-SRC_DIR = $(BASE_DIR)/src
-PREFIX = /usr/local
-BINDIR = $(PREFIX)/bin
-DATADIR = $(PREFIX)/share/toxic
-MANDIR = $(PREFIX)/share/man
 
-MANFILES = toxic.1 toxic.conf.5
+-include $(CFG_DIR)/global_vars.mk
 
 LIBS = libtoxcore ncursesw libconfig
 
@@ -67,14 +57,11 @@ toxic: $(OBJ)
 	@$(CC) $(CFLAGS) -o $*.o -c $(SRC_DIR)/$*.c
 	@$(CC) -MM $(CFLAGS) $(SRC_DIR)/$*.c > $*.d
 
-doc: $(MANFILES:%=$(DOC_DIR)/%)
-
 clean:
 	rm -rf *.d *.o toxic
-	rm -rf $(MANFILES)
 
 -include $(OBJ:.o=.d)
 
 -include $(CFG_DIR)/targets/*.mk
 
-.PHONY: clean all doc
+.PHONY: clean all
diff --git a/cfg/checks/av.mk b/cfg/checks/av.mk
index be18bd2..6de1ce9 100644
--- a/cfg/checks/av.mk
+++ b/cfg/checks/av.mk
@@ -8,14 +8,14 @@ else
 endif
 
 # Check if we can build audio support
-CHECK_AUDIO_LIBS = $(shell pkg-config $(AUDIO_LIBS) || echo -n "error")
+CHECK_AUDIO_LIBS = $(shell pkg-config --exists $(AUDIO_LIBS) || echo -n "error")
 ifneq ($(CHECK_AUDIO_LIBS), error)
 	LIBS += $(AUDIO_LIBS)
 	CFLAGS += $(AUDIO_CFLAGS)
 	OBJ += $(AUDIO_OBJ)
 else
 ifneq ($(MAKECMDGOALS), clean)
-MISSING_AUDIO_LIBS = $(shell for lib in $(AUDIO_LIBS) ; do if ! pkg-config $$lib ; then echo $$lib ; fi ; done)
+MISSING_AUDIO_LIBS = $(shell for lib in $(AUDIO_LIBS) ; do if ! pkg-config --exists $$lib ; then echo $$lib ; fi ; done)
 $(warning WARNING -- Toxic will be compiled without audio support)
 $(warning WARNING -- You need these libraries for audio support)
 $(warning WARNING -- $(MISSING_AUDIO_LIBS))
diff --git a/cfg/checks/check_features.mk b/cfg/checks/check_features.mk
index fd1c549..3a5dd50 100644
--- a/cfg/checks/check_features.mk
+++ b/cfg/checks/check_features.mk
@@ -1,7 +1,7 @@
 CHECKS_DIR = $(CFG_DIR)/checks
 
 # Check if we can use X11
-CHECK_X11_LIBS = $(shell pkg-config x11 || echo -n "error")
+CHECK_X11_LIBS = $(shell pkg-config --exists x11 || echo -n "error")
 ifneq ($(CHECK_X11_LIBS), error)
 	LIBS += x11
 	CFLAGS += -D_X11
@@ -26,13 +26,13 @@ ifneq ($(DESK_NOTIFY), disabled)
 endif
 
 # Check if we can build Toxic
-CHECK_LIBS = $(shell pkg-config $(LIBS) || echo -n "error")
+CHECK_LIBS = $(shell pkg-config --exists $(LIBS) || echo -n "error")
 ifneq ($(CHECK_LIBS), error)
 	CFLAGS += $(shell pkg-config --cflags $(LIBS))
 	LDFLAGS += $(shell pkg-config --libs $(LIBS))
 else
 ifneq ($(MAKECMDGOALS), clean)
-MISSING_LIBS = $(shell for lib in $(LIBS) ; do if ! pkg-config $$lib ; then echo $$lib ; fi ; done)
+MISSING_LIBS = $(shell for lib in $(LIBS) ; do if ! pkg-config --exists $$lib ; then echo $$lib ; fi ; done)
 $(warning ERROR -- Cannot compile Toxic)
 $(warning ERROR -- You need these libraries)
 $(warning ERROR -- $(MISSING_LIBS))
diff --git a/cfg/checks/desktop_notifications.mk b/cfg/checks/desktop_notifications.mk
index a3dd0b2..4c805bd 100644
--- a/cfg/checks/desktop_notifications.mk
+++ b/cfg/checks/desktop_notifications.mk
@@ -3,13 +3,13 @@ DESK_NOTIFY_LIBS = libnotify
 DESK_NOTIFY_CFLAGS = -D_BOX_NOTIFY
 
 # Check if we can build desktop notifications support
-CHECK_DESK_NOTIFY_LIBS = $(shell pkg-config $(DESK_NOTIFY_LIBS) || echo -n "error")
+CHECK_DESK_NOTIFY_LIBS = $(shell pkg-config --exists $(DESK_NOTIFY_LIBS) || echo -n "error")
 ifneq ($(CHECK_DESK_NOTIFY_LIBS), error)
 	LIBS += $(DESK_NOTIFY_LIBS)
 	CFLAGS += $(DESK_NOTIFY_CFLAGS)
 else
 ifneq ($(MAKECMDGOALS), clean)
-MISSING_DESK_NOTIFY_LIBS = $(shell for lib in $(DESK_NOTIFY_LIBS) ; do if ! pkg-config $$lib ; then echo $$lib ; fi ; done)
+MISSING_DESK_NOTIFY_LIBS = $(shell for lib in $(DESK_NOTIFY_LIBS) ; do if ! pkg-config --exists $$lib ; then echo $$lib ; fi ; done)
 $(warning WARNING -- Toxic will be compiled without desktop notifications support)
 $(warning WARNING -- You need these libraries for desktop notifications support)
 $(warning WARNING -- $(MISSING_DESK_NOTIFY_LIBS))
diff --git a/cfg/checks/sound_notifications.mk b/cfg/checks/sound_notifications.mk
index bb39edd..2db026b 100644
--- a/cfg/checks/sound_notifications.mk
+++ b/cfg/checks/sound_notifications.mk
@@ -8,14 +8,14 @@ else
 endif
 
 # Check if we can build sound notifications support
-CHECK_SND_NOTIFY_LIBS = $(shell pkg-config $(SND_NOTIFY_LIBS) || echo -n "error")
+CHECK_SND_NOTIFY_LIBS = $(shell pkg-config --exists $(SND_NOTIFY_LIBS) || echo -n "error")
 ifneq ($(CHECK_SND_NOTIFY_LIBS), error)
 	LIBS += $(SND_NOTIFY_LIBS)
 	CFLAGS += $(SND_NOTIFY_CFLAGS)
 	OBJ += $(SND_NOTIFY_OBJ)
 else
 ifneq ($(MAKECMDGOALS), clean)
-MISSING_SND_NOTIFY_LIBS = $(shell for lib in $(SND_NOTIFY_LIBS) ; do if ! pkg-config $$lib ; then echo $$lib ; fi ; done)
+MISSING_SND_NOTIFY_LIBS = $(shell for lib in $(SND_NOTIFY_LIBS) ; do if ! pkg-config --exists $$lib ; then echo $$lib ; fi ; done)
 $(warning WARNING -- Toxic will be compiled without sound notifications support)
 $(warning WARNING -- You need these libraries for sound notifications support)
 $(warning WARNING -- $(MISSING_SND_NOTIFY_LIBS))
diff --git a/cfg/global_vars.mk b/cfg/global_vars.mk
new file mode 100644
index 0000000..9a7d459
--- /dev/null
+++ b/cfg/global_vars.mk
@@ -0,0 +1,23 @@
+# Version
+TOXIC_VERSION = 0.4.7
+REV = $(shell git rev-list HEAD --count)
+VERSION = $(TOXIC_VERSION)_r$(REV)
+
+# Project directories
+DOC_DIR = $(BASE_DIR)/doc
+SRC_DIR = $(BASE_DIR)/src
+SND_DIR = $(BASE_DIR)/sounds
+MISC_DIR = $(BASE_DIR)/misc
+
+# Project files
+MANFILES = toxic.1 toxic.conf.5
+DATAFILES = DHTnodes DNSservers toxic.conf.example
+SNDFILES = ContactLogsIn.wav ContactLogsOut.wav Error.wav IncomingCall.wav
+SNDFILES += LogIn.wav LogOut.wav NewMessage.wav OutgoingCall.wav
+SNDFILES += TransferComplete.wav TransferPending.wav
+
+# Install directories
+PREFIX = /usr/local
+BINDIR = $(PREFIX)/bin
+DATADIR = $(PREFIX)/share/toxic
+MANDIR = $(PREFIX)/share/man
diff --git a/cfg/targets/doc.mk b/cfg/targets/doc.mk
new file mode 100644
index 0000000..2940009
--- /dev/null
+++ b/cfg/targets/doc.mk
@@ -0,0 +1,10 @@
+# Doc target
+doc: $(MANFILES:%=$(DOC_DIR)/%)
+	
+$(DOC_DIR)/%: $(DOC_DIR)/%.asc
+	@echo "  MAN   $(@F)"
+	@a2x -f manpage -a revdate=$(shell git log -1 --date=short --format="%ad" $<) \
+		-a manmanual="toxic manual" -a mansource=toxic \
+		-a manversion=__VERSION__ -a datadir=__DATADIR__ $<
+	
+.PHONY: doc
diff --git a/cfg/targets/help.mk b/cfg/targets/help.mk
index 0eba1b9..518674f 100644
--- a/cfg/targets/help.mk
+++ b/cfg/targets/help.mk
@@ -1,7 +1,7 @@
 # Help target
 help:
 	@echo "-- Targets --"
-	@echo "  all:     Build toxic [DEFAULT]"
+	@echo "  all:     Build toxic and documentation [DEFAULT]"
 	@echo "  toxic:   Build toxic"
 	@echo "  doc:     Build documentation"
 	@echo "  install: Build toxic and install it in PREFIX (default PREFIX is \"$(abspath $(PREFIX))\")"
diff --git a/cfg/targets/install.mk b/cfg/targets/install.mk
index 6acd0a8..c011cb0 100644
--- a/cfg/targets/install.mk
+++ b/cfg/targets/install.mk
@@ -1,10 +1,4 @@
-MISC_DIR = $(BASE_DIR)/misc
-SND_DIR = $(BASE_DIR)/sounds
-DATAFILES = DHTnodes DNSservers toxic.conf.example
-SNDFILES = ContactLogsIn.wav ContactLogsOut.wav Error.wav IncomingCall.wav
-SNDFILES += LogIn.wav LogOut.wav NewMessage.wav OutgoingCall.wav
-SNDFILES += TransferComplete.wav TransferPending.wav
-
+# Install target
 install: toxic doc
 	mkdir -p $(abspath $(DESTDIR)/$(BINDIR))
 	mkdir -p $(abspath $(DESTDIR)/$(DATADIR))
diff --git a/doc/Makefile b/doc/Makefile
deleted file mode 100644
index 2d313d2..0000000
--- a/doc/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-MANFILES = toxic.1 toxic.conf.5
-
-# Targets
-doc: $(MANFILES)
-
-%: %.asc
-	@echo "  Generating man page $(@F)"
-	@a2x -f manpage -a revdate=$(shell git log -1 --date=short --format="%ad" $<) \
-	-a manmanual="toxic manual" -a mansource=toxic \
-	-a manversion=__VERSION__ -a datadir=__DATADIR__ $<
-
-.PHONY: doc