Altered mkdepfile to use a single gcc call and post-process the output. This speeds up the dependency generation, especially in cygwin.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19169 a1c6a512-1295-4272-9138-f99709370657

5 files changed, 37 insertions, 10 deletions

diff --git a/apps/lang/lang.make b/apps/lang/lang.make
index 416b2b4504..311a3d5ee2 100644
--- a/apps/lang/lang.make
+++ b/apps/lang/lang.make
@@ -9,8 +9,7 @@
 
 LANGS := $(call preprocess, $(APPSDIR)/lang/SOURCES)
 LANGOBJ := $(LANGS:$(ROOTDIR)/%.lang=$(BUILDDIR)/%.lng)
-
-SRC += $(ROOTDIR)/lang.o # yes ROOTDIR. root.make will subst it to BUILDDIR.
+LANG_O = $(BUILDDIR)/lang.o
 
 CLEANOBJS += $(BUILDDIR)/max_language_size.h $(BUILDDIR)/lang.*
 
diff --git a/firmware/firmware.make b/firmware/firmware.make
index 02d60db253..2caa2c8a74 100644
--- a/firmware/firmware.make
+++ b/firmware/firmware.make
@@ -10,8 +10,8 @@
 INCLUDES += -I$(FIRMDIR) -I$(FIRMDIR)/include -I$(FIRMDIR)/export -I$(FIRMDIR)/common -I$(FIRMDIR)/drivers
 
 FIRMLIB_SRC += $(call preprocess, $(FIRMDIR)/SOURCES)
-FIRMLIB_SRC += $(ROOTDIR)/sysfont.o
 FIRMLIB_OBJ := $(call c2obj, $(FIRMLIB_SRC))
+FIRMLIB_OBJ += $(BUILDDIR)/sysfont.o
 OTHER_SRC += $(FIRMLIB_SRC)
 
 FIRMLIB = $(BUILDDIR)/firmware/libfirmware.a
diff --git a/tools/addtargetdir.pl b/tools/addtargetdir.pl
new file mode 100755
index 0000000000..37a2b6630e
--- /dev/null
+++ b/tools/addtargetdir.pl
@@ -0,0 +1,28 @@
+#!/usr/bin/perl
+#             __________               __   ___.
+#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+#                     \/            \/     \/    \/            \/
+# $Id: Makefile 19082 2008-11-10 23:54:24Z zagor $
+#
+
+# addtargetdir.pl - Adds target directory to gcc-generated dependency data
+
+use File::Basename;
+
+my $rbroot = $ARGV[0];
+my $builddir = $ARGV[1];
+
+for (<STDIN>) {
+    if (/^([^:]+): (\S+) (.*)/) {
+        my ($target, $src, $rest) = ($1, $2, $3);
+        my $dir = dirname $src;
+        $dir =~ s/$rbroot//;
+        print "$builddir$dir/$target: $src $rest\n";
+    }
+    else {
+        print $_;
+    }
+}
diff --git a/tools/functions.make b/tools/functions.make
index dd87377f87..083e3eafeb 100644
--- a/tools/functions.make
+++ b/tools/functions.make
@@ -29,19 +29,17 @@ c2obj = $(subst .c,.o,$(subst .S,.o,$(subst $(ROOTDIR),$(BUILDDIR),$(1))))
 
 # calculate dependencies for a list of source files $(2) and output them
 # to a file $(1)
-
 mkdepfile = $(shell \
-	for each in $(2); do \
-	    obj=`echo $$each | sed -e 's/\.[cS]/.o/' -e 's:$(ROOTDIR):$(BUILDDIR):'`; \
-	       $(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h -MT "$$obj" $$each 2>/dev/null; \
-	done | sed -e "s: lang.h: $(BUILDDIR)/lang.o:" \
+	$(CC) $(PPCFLAGS) $(OTHER_INC) -MG -MM -include config.h $(2) | \
+	$(TOOLSDIR)/addtargetdir.pl $(ROOTDIR) $(BUILDDIR) | \
+	sed -e "s: lang.h: $(BUILDDIR)/lang.o:" \
 	-e "s: sysfont.h: $(BUILDDIR)/sysfont.h:" \
 	-e "s: max_language_size.h: $(BUILDDIR)/max_language_size.h:" \
 	-e "s: bitmaps/: $(BUILDDIR)/bitmaps/:g" \
 	-e "s: pluginbitmaps/: $(BUILDDIR)/pluginbitmaps/:g" \
 	-e "s: lib/: $(APPSDIR)/plugins/lib/:g" \
 	-e "s: codeclib.h: $(APPSDIR)/codecs/lib/codeclib.h:g" \
-	> $(1); )
+	> $(1) )
 
 # function to create .bmp dependencies
 bmpdepfile = $(shell \
diff --git a/tools/root.make b/tools/root.make
index c6a9232a85..0d12e30a4b 100644
--- a/tools/root.make
+++ b/tools/root.make
@@ -92,7 +92,7 @@ veryclean: clean
 
 clean:
 	$(SILENT)echo Cleaning build directory
-	$(SILENT)rm -rf rockbox.zip rockbox.7z rockbox.tar rockbox.tar.gz                   rockbox.tar.bz2 TAGS apps firmware comsim sim lang.[ch]                   manual *.pdf *.a credits.raw rockbox.ipod bitmaps pluginbitmaps                     UI256.bmp rockbox-full.zip 	          html txt rockbox-manual*.zip sysfont.h rockbox-info.txt 	          voicefontids *.wav *.mp3 *.voice max_language_size.h $(CLEANOBJS) $(LINKRAM) $(LINKROM) rockbox.elf rockbox.map rockbox.bin $(DEPFILE) rombox.elf rombox.map rombox.bin $(BINARY) $(FLASHFILE) uisimulator bootloader flash
+	$(SILENT)rm -rf rockbox.zip rockbox.7z rockbox.tar rockbox.tar.gz                   rockbox.tar.bz2 TAGS apps firmware comsim sim lang.[ch]                   manual *.pdf *.a credits.raw rockbox.ipod bitmaps pluginbitmaps                     UI256.bmp rockbox-full.zip 	          html txt rockbox-manual*.zip sysfont.h rockbox-info.txt 	          voicefontids *.wav *.mp3 *.voice max_language_size.h $(CLEANOBJS) $(LINKRAM) $(LINKROM) rockbox.elf rockbox.map rockbox.bin $(DEPFILE) rombox.elf rombox.map rombox.bin $(BINARY) $(FLASHFILE) uisimulator bootloader flash $(BOOTLINK)
 
 #### linking the binaries: ####
 
@@ -109,6 +109,8 @@ LINKRAM := $(BUILDDIR)/ram.link
 ROMLDS := $(FIRMDIR)/rom.lds
 LINKROM := $(BUILDDIR)/rom.link
 
+OBJ += $(LANG_O)
+
 $(LINKRAM): $(RAMLDS)
 	$(call PRINTS,PP $(@F))
 	$(call preprocess2file,$<,$@,-DLOADADDRESS=$(LOADADDRESS))