Cleanup of autoconf files

configure.ac

@@ -125,7 +125,6 @@ else
 fi
 
 AC_SUBST(WARNINGCFLAGS)
-AC_SUBST(LIBS)
 AC_SUBST(ac_aux_dir)
 
 dnl Creating output file(s)

src/cli/Makefile.am

@@ -2,8 +2,8 @@
 
 AM_CPPFLAGS = \
     $(WARNINGCFLAGS) \
-    -I@top_srcdir@ \
-    -I@top_srcdir@/src/common
+    -I$(top_srcdir)/src/common \
+    -I$(top_builddir)/src/common
 
 # Option -d: produce header file scanner.h
 AM_LFLAGS = --header-file=scanner.h

src/common/Makefile.am

@@ -1,40 +1,48 @@
 # This file is processed by GNU automake to generate Makefile.in
 
 AM_CPPFLAGS = \
-	$(WARNINGCFLAGS) \
-	-I$(top_srcdir)
+    $(WARNINGCFLAGS) \
+    -I$(builddir)
+
+VPATH = $(srcdir) $(builddir)
 
 noinst_LIBRARIES = libemu8051.a
 
+BUILT_SOURCES = \
+    instructions_8051.c instructions_8051.h \
+    opcodes.h opcodes.c
+
+PERL_SOURCES = \
+    opcodes2c.pl \
+    opcodes.lst
+
 libemu8051_a_SOURCES = \
-	instructions_8051.c instructions_8051.h \
-	opcodes.c opcodes.h \
-	options.c options.h \
-	log.c log.h \
-	hexfile.c hexfile.h \
-	cpu8051.c cpu8051.h \
-	memory.c memory.h \
-	psw.c psw.h \
-	sfr.c sfr.h \
-	operations.c operations.h \
-	timers.c timers.h \
-	common.h \
-	reg8051.h
+    options.c options.h \
+    log.c log.h \
+    hexfile.c hexfile.h \
+    cpu8051.c cpu8051.h \
+    memory.c memory.h \
+    psw.c psw.h \
+    sfr.c sfr.h \
+    operations.c operations.h \
+    timers.c timers.h \
+    common.h \
+    reg8051.h
+
+nodist_libemu8051_a_SOURCES = \
+    $(BUILT_SOURCES)
 
 # These files are generated automatically by a perl script.
-instructions_8051.c instructions_8051.h opcodes.h opcodes.c : opcodes2c.pl opcodes.lst
+$(BUILT_SOURCES) : $(PERL_SOURCES)
 	@echo "  PERL     opcodes2c.pl"
-	@./opcodes2c.pl
+	@$(srcdir)/opcodes2c.pl $(srcdir)/opcodes.lst $(builddir)
 
-CLEANFILES = *~
+CLEANFILES = \
+    *~ \
+    $(BUILT_SOURCES)
 
 MAINTAINERCLEANFILES = \
-	Makefile.in \
-	instructions_8051.c \
-	instructions_8051.h \
-	opcodes.h \
-	opcodes.c
+    Makefile.in
 
 EXTRA_DIST = \
-	opcodes2c.pl \
-	opcodes.lst
+    $(PERL_SOURCES)

src/gtk/Makefile.am

@@ -2,9 +2,9 @@
 
 AM_CPPFLAGS = \
     $(WARNINGCFLAGS) \
-    -I@top_srcdir@ \
-    -I@top_srcdir@/src/common \
     -I$(top_srcdir)/pixmaps \
+    -I$(top_srcdir)/src/common \
+    -I$(top_builddir)/src/common \
     @GTK_CFLAGS@ \
     @GLIB_CFLAGS@ \
     -DDATADIR=\"$(datadir)\" \
@@ -33,8 +33,6 @@ emu8051_gtk_SOURCES = \
     helpmenu.c helpmenu.h \
     messagebox.c messagebox.h
 
-EXTRA_DIST =
-
 CLEANFILES = *~
 
 MAINTAINERCLEANFILES = Makefile.in