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| author | Eric Andersen | 2002-10-23 09:56:20 +0200 |
|---|---|---|
| committer | Eric Andersen | 2002-10-23 09:56:20 +0200 |
| commit | 6e3e6690ce26e65d665091403456c1b6ebbf397c (patch) | |
| tree | e38ec7615ebcc25370c6da75a617c1d83517db74 /make/ext2root.mk | |
| parent | Fixup the build dependancies (diff) | |
| download | buildroot-6e3e6690ce26e65d665091403456c1b6ebbf397c.tar.gz buildroot-6e3e6690ce26e65d665091403456c1b6ebbf397c.tar.xz buildroot-6e3e6690ce26e65d665091403456c1b6ebbf397c.zip | |
A patch from Arne Jonsson to calculate fs size, with adjustments by me.
Diffstat (limited to 'make/ext2root.mk')
| -rw-r--r-- | make/ext2root.mk | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/make/ext2root.mk b/make/ext2root.mk index 2d84106c9..2dd5f5502 100644 --- a/make/ext2root.mk +++ b/make/ext2root.mk @@ -34,14 +34,28 @@ genext2fs: $(GENEXT2_DIR)/genext2fs # size is limited to a maximum of 8 Mb. # ############################################################# -# FIXME -- calculate these numbers... -SIZE=8000 -INODES=1000 -ext2root: genext2fs #$(shell find $(TARGET_DIR) -type f) +# how much KB we want to add to the calculated size for the root directory, +# to have additional space +GENEXT2_ADDTOROOTSIZE := 256 +# maximal rootfilesystem size that can be handled +# by genext2fs +GENEXT2_MAXROOTSIZE := 8192 + +GENEXT2_REALSIZE:=$(subst total,, $(shell du $(TARGET_DIR) -s -c -k | grep total )) +GENEXT2_SIZE:=$(shell expr $(GENEXT2_REALSIZE) + $(GENEXT2_ADDTOROOTSIZE)) +# We currently add about 400 device nodes, so add that into the total +GENEXT2_INODES:=$(shell expr $(shell find $(TARGET_DIR) | wc -l) + 400) + +ifeq (1,$(shell expr $(GENEXT2_SIZE) \> $(GENEXT2_MAXROOTSIZE))) + $(error "Filesystem size, $(GENEXT2_SIZE) KB, is greater than the maximum, $(GENEXT2_MAXROOTSIZE) KB.") +endif + +ext2root: genext2fs -@find $(TARGET_DIR)/lib -type f -name \*.so\* | xargs $(STRIP) --strip-unneeded 2>/dev/null || true; -@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIP) 2>/dev/null || true; - $(GENEXT2_DIR)/genext2fs -i $(INODES) -b $(SIZE) -d $(TARGET_DIR) -D $(SOURCE_DIR)/device_table.txt $(IMAGE) + $(GENEXT2_DIR)/genext2fs -i $(GENEXT2_INODES) -b $(GENEXT2_SIZE) \ + -d $(TARGET_DIR) -D $(SOURCE_DIR)/device_table.txt $(IMAGE) ext2root-source: $(DL_DIR)/$(GENEXT2_SOURCE) |