Hello,
I've corrected the file /Documentation/Adding-User-Apps-HOWTO. In the
new release you have to edit an other file...
Hartmut
Adding User Applications to the uClinux Distribution
----------------------------------------------------
D. P. Siddons
9th Dec. 2001
H. Michelfelder
20th June 2008
This document gives simple instructions for adding a user-written application to
the uClinux configuration system. Entries must be added to three files, and an
apropriate Makefile must exist in the user application source directory, which
must be put in user (all directory names here are given relative to the uClinux
top directory. In my system this is /home/peter/uClinux-dist).
Files to edit:
user/Makefile
Add a line to the file like
dir_$(CONFIG_USER_FOO_FOO) += foo
This adds the directory 'foo' to the list of directories to be built. I added
mine in alphabetical order. The order doesn't seem to matter.
user/Kconfig
Add lines to the file like
config USER_FOO_FOO
bool "foo"
help
This program does fooey things to your bars.
Next, there needs to be a proper /user/foo/Makefile. The Makefile should follow
the following template:
--------------------------------------------
EXEC = foo
OBJS = foo.o
all: $(EXEC)
$(EXEC): $(OBJS)
$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LDLIBS)
romfs:
$(ROMFSINST) /bin/$(EXEC)
clean:
-rm -f $(EXEC) *.elf *.gdb *.o
---------------------------------------------
If more than one executable is built in the foo directory, as above, then the
Makefile should look like
------------------------------------------------------------
EXECS = foo bar
OBJS = foo.o bar.o
all: $(EXECS)
$(EXECS): $(OBJS)
$(CC) $(LDFLAGS) -o $@ [EMAIL PROTECTED] $(LDLIBS)
romfs:
$(ROMFSINST) -e CONFIG_USER_FOO_FOO /bin/foo
$(ROMFSINST) -e CONFIG_USER_FOO_BAR /bin/bar
--------------------------------------------------------------
More complex makefiles are of course possible. The reader is encouraged to
browse the user tree for examples.
When all this is set up, doing the standard 'make xconfig; make dep; make'
should build the app and install it in romfs and hence in the target system
image.bin.
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