Gentoo splits off tinfo from ncurses, so we need to ask pkg-config here what the user has on the system.

Signed-off-by: Pascal Jäger <pascal.jaeger@leimstift.de>

--- a/Makefile
+++ b/Makefile
@@ -24,10 +24,10 @@ ifeq ($(PLATFORM),Darwin)
     LDFLAGS+=-lpanel $(NCURSES_LIB) -lutil -lm
 else
 ifeq ($(UTF8_SUPPORT),yes)
-    LDFLAGS+=-lpanelw -lncursesw -lutil -lm
+	LIBS+=$(shell $(PKG_CONFIG) --libs ncursesw panelw) -lutil -lm
     CPPFLAGS+=-DUTF8_SUPPORT
 else
-    LDFLAGS+=-lpanel -lncurses -lutil -lm
+	LIBS+=$(shell $(PKG_CONFIG) --libs ncurses panel) -lutil -lm
 endif
 endif
 
@@ -40,10 +40,10 @@ DEPENDS:= $(OBJS:%.o=%.d)
 all: multitail
 
 multitail: $(OBJS)
-	$(CC) $(OBJS) $(LDFLAGS) -o multitail
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(OBJS) -o multitail $(LIBS)
 
 ccmultitail: $(OBJS)
-	ccmalloc --no-wrapper -Wextra $(CC) $(OBJS) $(LDFLAGS) -o ccmultitail
+	ccmalloc --no-wrapper $(CC) $(CFLAGS) $(LDFLAGS) -Wall -W $(OBJS) -o ccmultitail $(LIBS)
 
 install: multitail
 	mkdir -p $(DESTDIR)$(PREFIX)/bin