Put %p early in the include and link paths.

diff --git a/Makefile.in b/Makefile.in
--- a/Makefile.in
+++ b/Makefile.in
@@ -45,22 +45,21 @@ MYBINDIR = @bindir@
 MYBINDIR = @bindir@
 MYMAN1DIR = @mandir@/man1
 MYMAN3DIR = @mandir@/man3
-MYDATADIR = @datadir@/$(PACKAGE)
+MYDATADIR = @datadir@
 MYPCDIR = @libdir@/pkgconfig
 DESTDIR =
 
 # Building binaries
 CC = @CC@
-CPPFLAGS = @CPPFLAGS@ -I$(srcdir) -I$(MYHEADDIR) \
-  -I$(HOME)/include -I/usr/local/include @MYDEFS@ \
+CPPFLAGS = @CPPFLAGS@ -I$(srcdir) -I%p/include -I$(MYHEADDIR) @MYDEFS@ \
   -D_XOPEN_SOURCE_EXTENDED=1 -D_GNU_SOURCE=1 -D__EXTENSIONS__=1 -D_HPUX_SOURCE=1 \
   -D_POSIX_MAPPED_FILES=1 -D_POSIX_SYNCHRONIZED_IO=1 \
   -DPIC=1 -D_THREAD_SAFE=1 -D_REENTRANT=1 -DNDEBUG
 CFLAGS = -Wall -pedantic -fPIC -fsigned-char -O3 -fomit-frame-pointer -fforce-addr @MYOPTS@
 LD = @LD@
 LIBS = -lqdbm @LIBS@
-LIBLDFLAGS = @LDFLAGS@ -L. -L$(MYLIBDIR) -L$(HOME)/lib -L/usr/local/lib @LIBS@
-LDFLAGS = @LDFLAGS@ -L. -L$(MYLIBDIR) -L$(HOME)/lib -L/usr/local/lib $(LIBS)
+LIBLDFLAGS = @LDFLAGS@ -L. -L%p/lib @LIBS@
+LDFLAGS = @LDFLAGS@ -L. -L%p/lib $(LIBS)
 LDENV = LD_RUN_PATH=/lib:/usr/lib:$(MYLIBDIR):$(HOME)/lib:/usr/local/lib
 AR = @AR@
 ARFLAGS = rcsv