Adding support for saving build objects in a separated directory.

[pandora-x-loader.git] / config.mk

diff --git a/config.mk b/config.mk
index 1365b9d..f4c58e9 100644 (file)
--- a/config.mk
+++ b/config.mk
@@ -23,6 +23,22 @@
 
 #########################################################################
 
+ifneq ($(OBJTREE),$(SRCTREE))
+ifeq ($(CURDIR),$(SRCTREE))
+dir :=
+else
+dir := $(subst $(SRCTREE)/,,$(CURDIR))
+endif
+
+obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
+src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
+
+$(shell mkdir -p $(obj))
+else
+obj :=
+src :=
+endif
+
 # clean the slate ...
 PLATFORM_RELFLAGS =
 PLATFORM_CPPFLAGS =
@@ -116,10 +132,15 @@ OBJCFLAGS += --gap-fill=0xff
 gccincdir := $(shell $(CC) -print-file-name=include)
 
 CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS)                \
-       -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE)           \
-       -I$(TOPDIR)/include                             \
-       -fno-builtin -ffreestanding -nostdinc -isystem  \
-       $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
+       -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE)
+
+ifneq ($(OBJTREE),$(SRCTREE))
+CPPFLAGS += -I$(OBJTREE)/include
+endif
+
+CPPFLAGS += -I$(TOPDIR)/include
+CPPFLAGS += -fno-builtin -ffreestanding -nostdinc      \
+       -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
 
 ifdef BUILD_TAG
 CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
@@ -165,11 +186,23 @@ export    TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
 
 #########################################################################
 
+ifndef REMOTE_BUILD
+
 %.s:   %.S
-       $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
+       $(CPP) $(AFLAGS) -o $@ $<
 %.o:   %.S
-       $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
+       $(CC) $(AFLAGS) -c -o $@ $<
 %.o:   %.c
        $(CC) $(CFLAGS) -c -o $@ $<
 
+else
+
+$(obj)%.s:     %.S
+       $(CPP) $(AFLAGS) -o $@ $<
+$(obj)%.o:     %.S
+       $(CC) $(AFLAGS) -c -o $@ $<
+$(obj)%.o:     %.c
+       $(CC) $(CFLAGS) -c -o $@ $<
+endif
+
 #########################################################################