[build] Add support for local configuration files

Include config/local/$file in config/$file where it makes sense and
create empty local configs during build if not present.

Modified-by: Michael Brown <mcb30@etherboot.org>
Signed-off-by: Michael Brown <mcb30@etherboot.org>

11 files changed, 25 insertions, 2 deletions

diff --git a/src/.gitignore b/src/.gitignore
index 413f8141..cc8e33e2 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -2,4 +2,3 @@
 .echocheck
 TAGS*
 bin*
-config-local.h
diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping
index 7e7ad762..c373c882 100644
--- a/src/Makefile.housekeeping
+++ b/src/Makefile.housekeeping
@@ -468,7 +468,7 @@ define src_template
 	@$(RM) $(2)
 	@$(TOUCH) $(2)
 	@$(CPP) $(CFLAGS) $(CFLAGS_$(3)) $(CFLAGS_$(4)) -DOBJECT=$(4) \
-		-Wno-error -MM $(1) -MG -MP | \
+		-Wno-error -M $(1) -MG -MP | \
 		sed 's/\.o\s*:/_DEPS =/' >> $(2)
 	@$(ECHO_E) '\n$$(BIN)/$(4).o :' \
 		 '$(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(4)_DEPS)' \
@@ -923,6 +923,13 @@ CLEANUP += $(ICCFIX)
 
 ###############################################################################
 #
+# Local configs
+#
+config/local/%.h :
+	$(Q)touch $@
+
+###############################################################################
+#
 # Auto-incrementing build serial number.  Append "bs" to your list of
 # build targets to get a serial number printed at the end of the
 # build.  Enable -DBUILD_SERIAL in order to see it when the code runs.
diff --git a/src/config/console.h b/src/config/console.h
index be3242dd..586e3715 100644
--- a/src/config/console.h
+++ b/src/config/console.h
@@ -20,4 +20,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 //#define	CONSOLE_BTEXT		/* Who knows what this does? */
 //#define	CONSOLE_PC_KBD		/* Direct access to PC keyboard */
 
+#include <config/local/console.h>
+
 #endif /* CONFIG_CONSOLE_H */
diff --git a/src/config/general.h b/src/config/general.h
index 0a9e6252..bfab5b6e 100644
--- a/src/config/general.h
+++ b/src/config/general.h
@@ -145,4 +145,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #undef	GDBUDP			/* Remote GDB debugging over UDP
 				 * (both may be set) */
 
+#include <config/local/general.h>
+
 #endif /* CONFIG_GENERAL_H */
diff --git a/src/config/ioapi.h b/src/config/ioapi.h
index 8ddd557b..ce19c6d7 100644
--- a/src/config/ioapi.h
+++ b/src/config/ioapi.h
@@ -14,4 +14,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 //#undef	PCIAPI_PCBIOS		/* Access via PCI BIOS */
 //#define	PCIAPI_DIRECT		/* Direct access via Type 1 accesses */
 
+#include <config/local/ioapi.h>
+
 #endif /* CONFIG_IOAPI_H */
diff --git a/src/config/isa.h b/src/config/isa.h
index 523be1c0..e2a05050 100644
--- a/src/config/isa.h
+++ b/src/config/isa.h
@@ -12,4 +12,6 @@
 #undef	ISA_PROBE_ADDRS		/* e.g. 0x200, 0x300 */
 #undef	ISA_PROBE_ONLY		/* Do not probe any other addresses */
 
+#include <config/local/isa.h>
+
 #endif /* CONFIG_ISA_H */
diff --git a/src/config/local/.gitignore b/src/config/local/.gitignore
new file mode 100644
index 00000000..72e8ffc0
--- /dev/null
+++ b/src/config/local/.gitignore
@@ -0,0 +1 @@
+*
diff --git a/src/config/nap.h b/src/config/nap.h
index 1b981355..187af428 100644
--- a/src/config/nap.h
+++ b/src/config/nap.h
@@ -14,4 +14,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 //#undef		NAP_PCBIOS
 //#define		NAP_NULL
 
+#include <config/local/nap.h>
+
 #endif /* CONFIG_NAP_H */
diff --git a/src/config/serial.h b/src/config/serial.h
index 44272d1f..8bb9311f 100644
--- a/src/config/serial.h
+++ b/src/config/serial.h
@@ -32,4 +32,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #define	COMSTOP		1		/* Stop bits */
 #endif
 
+#include <config/local/serial.h>
+
 #endif /* CONFIG_SERIAL_H */
diff --git a/src/config/timer.h b/src/config/timer.h
index cc6a93d1..abd66985 100644
--- a/src/config/timer.h
+++ b/src/config/timer.h
@@ -14,4 +14,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 //#undef		TIMER_PCBIOS
 //#define		TIMER_RDTSC
 
+#include <config/local/timer.h>
+
 #endif /* CONFIG_TIMER_H */
diff --git a/src/config/umalloc.h b/src/config/umalloc.h
index 65febf1f..245c6b4a 100644
--- a/src/config/umalloc.h
+++ b/src/config/umalloc.h
@@ -11,4 +11,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
 
 #include <config/defaults.h>
 
+#include <config/local/umalloc.h>
+
 #endif /* CONFIG_UMALLOC_H */