diff -Bru upstream/fbmuck/fbmuck/src/Makefile.in gentoo/fbmuck/fbmuck/src/Makefile.in
--- upstream/fbmuck/fbmuck/src/Makefile.in	2014-08-26 12:49:31.145913686 -0700
+++ gentoo/fbmuck/fbmuck/src/Makefile.in	2014-08-26 13:24:18.874019937 -0700
@@ -37,16 +37,16 @@
 INCLUDE= ${ROOT}/include

 # The root of the directory tree to install to.
-prefix=@prefix@
-datarootdir=@datarootdir@
+prefix=${D}@prefix@
+datarootdir=${D}@datarootdir@
 exec_prefix=@exec_prefix@
 # Destinations for binaries
 INSTALL_BINDIR=@bindir@
 INSTALL_SBINDIR=@sbindir@
 # Destination for helpfiles
-INSTALL_HELPDIR=@datadir@/fbmuck
+INSTALL_HELPDIR=${D}@datadir@/fbmuck
 # Destination for starter databases
-INSTALL_DBSDIR=@datadir@/fbmuck/starter_dbs
+INSTALL_DBSDIR=${D}@datadir@/fbmuck/starter_dbs

 # ${DESTDIR} is used by the Debian packaging system to build the .debs
 # and is defined by the debian/rules file.
@@ -82,7 +82,7 @@
 #
 # Include path, Cflags...
 #
-CFLAGS= ${OPTIM}
+CFLAGS = @CFLAGS@

 #
 # for saving old copies.
@@ -169,7 +169,7 @@
 	@echo "#define BINDIR \"$(INSTALL_BINDIR)\"" >> $(INCLUDE)/defines.h
 	@echo "#define INSTALL_HELPDIR \"$(INSTALL_HELPDIR)\"" >> $(INCLUDE)/defines.h

-fbmuck: $(INCLUDE)/defines.h ${P} ${COBJ} ${MALLOBJ} interface.o ${LOBJ} mkversion.sh Makefile
+fbmuck: $(INCLUDE)/defines.h ${COBJ} ${MALLOBJ} interface.o ${LOBJ} mkversion.sh Makefile
 	sh mkversion.sh
 	${PRE} ${CC} ${CFLAGS} ${INCL} ${DEFS} -c version.c
 	if [ -f fbmuck ]; then ${MV} fbmuck fbmuck~ ; fi