Use Mosquitto's pkg-config file

It has provided one since version 1.5. It erroneously hardcodes the
libdir as "lib" (it may be lib64), but OwnTracks defaulted to "lib"
anyway. I will fix Mosquitto shortly.

Makefile

@@ -33,8 +33,8 @@ endef
 
 ifeq ($(WITH_MQTT),yes)
 	CFLAGS += -DWITH_MQTT=1
-	CFLAGS += $(MOSQUITTO_INC)
-	LIBS += $(MOSQUITTO_LIB) -lmosquitto -lm
+	CFLAGS += $(MOSQUITTO_CFLAGS)
+	LIBS += $(MOSQUITTO_LIBS) -lm
 endif
 
 ifeq ($(WITH_PING),yes)

config.mk.in

@@ -90,8 +90,8 @@ JSON_INDENT ?= no
 CONFIGFILE = /etc/default/ot-recorder
 
 # Optionally specify the path to the Mosquitto libs, include here
-MOSQUITTO_INC = -I/usr/include
-MOSQUITTO_LIB = -L/usr/lib
+MOSQUITTO_CFLAGS = `$(PKG_CONFIG) --cflags libmosquitto`
+MOSQUITTO_LIBS   = `$(PKG_CONFIG) --libs libmosquitto`
 
 # Milliseconds (ms) timeout for reverse geocoding
 GEOCODE_TIMEOUT = 4000

etc/centos/config.mk.in

@@ -17,8 +17,8 @@ STORAGEDEFAULT = /var/spool/owntracks/recorder/store
 DOCROOT = /var/spool/owntracks/recorder/htdocs
 GHASHPREC = 7
 JSON_INDENT ?= no
-MOSQUITTO_INC = -I/usr/include
-MOSQUITTO_LIB = -L/usr/lib
+MOSQUITTO_CFLAGS =
+MOSQUITTO_LIBS   = -lmosquitto
 LUA_CFLAGS = `pkg-config --cflags lua`
 LUA_LIBS   = `pkg-config --libs lua`
 

etc/debian/config.mk.in

@@ -17,8 +17,8 @@ STORAGEDEFAULT = /var/spool/owntracks/recorder/store
 DOCROOT = /usr/share/owntracks/recorder/htdocs
 GHASHPREC = 7
 JSON_INDENT ?= no
-MOSQUITTO_INC = -I/usr/include
-MOSQUITTO_LIB = -L/usr/lib
+MOSQUITTO_CFLAGS =
+MOSQUITTO_LIBS   = -lmosquitto
 LUA_CFLAGS = `pkg-config --cflags lua`
 LUA_LIBS   = `pkg-config --libs lua`
 SODIUM_CFLAGS = `pkg-config --cflags libsodium`

etc/raspbian/config.mk.in

@@ -18,8 +18,8 @@ STORAGEDEFAULT = /var/spool/owntracks/recorder/store
 DOCROOT = /usr/share/owntracks/recorder/htdocs
 GHASHPREC = 7
 JSON_INDENT ?= no
-MOSQUITTO_INC = -I/usr/include
-MOSQUITTO_LIB = -L/usr/lib
+MOSQUITTO_CFLAGS =
+MOSQUITTO_LIBS   = -lmosquitto
 
 LUA_CFLAGS = `pkg-config --cflags lua`
 LUA_LIBS   = `pkg-config --libs lua`