Cross-Compile some libs

**striker07** · 04-14-2011

Hello there!

I need to cross-compile some libs for using in a ARM11 board running Linux (at this time, 2.6.28, but I'll try update it... and for costs reason, maybe it turns on a ARM9 board). The libs are libfprint, libusb-1.0 (that is a requirement of libfprint), libSDL (and some of its extensions) and maybe libsqlite3. How I can make this, with the development files in the host machine (an Ubuntu 10.04 32bits machine) and the runtime files at the host ARM11 Board.

Thanks!

**striker07** · 04-15-2011

Well, I think that I compiled the libs ok. I used the cross compiler (arm-linux) to compile the source of the libraty. It generated the files, that I put on the /lib folder of the embedded system. After that, I copied the lib and include folders generated by the cross compile in the folders of itself. But when I try to link the app with the new added library (using the -l flag), it can't find the functions...

Anyone know what I must do?

EDIT: A new info: in the log of the linker, it seems to be searching for the lib, but it is classified as incompatible (huh?!)

/opt/FriendlyARM/.../arm-none-linux-gnueabi/bin/ld: skipping incompatible /opt/FriendlyARM/.../arm-none-linux-gnueabi/lib/libfprint.a when searching for -lfprint

Maybe this indicates a error in the compiling of the lib?

PS: for the compiling, I run ./configure --host=arm-linux-gnu --prefix=<MyDestFolder>, edited the CC, AR and RANLIB parameters of make, run make then make install.

**Rubberman** · 04-17-2011

Without full information about your ARM cross-compiler tool chain (what binaries you have), and a copy of your Makefile (at the least), you don't provide enough information to help much. I do ARM cross-compiling/linking on Linux all the time, without such problems.

**striker07** · 04-18-2011

The toolchain is under a directory named 4.5.1. Inside it, I have the directories arm-none-linux-gnueabi, bin, lib, libexec and share. Inside the bin folder, I have the binaries listed below with the extension with the prefix arm-linux- and arm-none-linux-gnueabi-. I don't know the difference between them. In the arm-none-linux-gnueabi/bin folder, I have the following exec files:

Code:

ar      as       c++       g++       gcc
ld      nm       objcopy   objdump   ranlib
strip

My makefile is very simple:

Code:

TOOLCHAIN=/opt/FriendlyARM/toolschain/4.5.1/bin/
CROSS_COMPILE=arm-linux-

PATH := ${TOOLCHAIN}:${PATH}

all:
	@${CROSS_COMPILE}gcc -lfprint test.c -o bintest
 
clean:
	@rm -Rf *.o bintest

The fprint libs compiles ok, but when I try to link my program with it, I receive the message described in last post. When I try to compile de SDL library, I'm receiving the message that message (skipping incompatible...) with the library directfb...

The commands that I use to compile (or try to compile) for fprint is:

Code:

NM=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-nm LD=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-ld CC=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-gcc CXX=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-g++ RANLIB=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-ranlib AR=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-ar ./configure --prefix=/opt/FriendlyARM/toolschain/4.5.1/arm-none-linux-gnueabi/ --host=arm-linux

and for SDL (the use of the flags is in the README.Qtopia file, under the source folder):

Code:

NM=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-nm LD=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-ld CC=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-gcc CXX=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-g++ RANLIB=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-ranlib AR=/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-ar ./configure --enable-video-qtopia --disable-video-dummy --disable-video-fbcon --disable-video-dga --disable-arts --disable-esd --disable-alsa --disable-cdrom --disable-video-x11 --disable-nasm --disable-pulseaudio --prefix=/opt/FriendlyARM/toolschain/4.5.1/arm-none-linux-gnueabi/ --host=arm-linux

As White Stripes sings: "I Just Don't Know What To Do with Myself"...

**Rubberman** · 04-18-2011

So, did you build your library statically, or is it a shared library? Please show Makefile stuff used to build your fprint library. If it is not a shared library, did you run ranlib on it? Finally, do this in your Makefile:

Code:

all:
	@${CROSS_COMPILE}gcc test.c -o bintest -lfprint

**striker07** · 04-18-2011

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	if ($(ETAGS) --etags-include --version) >/dev/null 2>&1; then \
	  include_option=--etags-include; \
	  empty_fix=.; \
	else \
	  include_option=--include; \
	  empty_fix=; \
	fi; \
	list='$(SUBDIRS)'; for subdir in $$list; do \
	  if test "$$subdir" = .; then :; else \
	    test ! -f $$subdir/TAGS || \
	      set "$$@" "$$include_option=$$here/$$subdir/TAGS"; \
	  fi; \
	done; \
	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
	unique=`for i in $$list; do \
	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
	  done | \
	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
	      END { if (nonempty) { for (i in files) print i; }; }'`; \
	shift; \
	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
	  test -n "$$unique" || unique=$$empty_fix; \
	  if test $$# -gt 0; then \
	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
	      "$$@" $$unique; \
	  else \
	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
	      $$unique; \
	  fi; \
	fi
ctags: CTAGS
CTAGS: ctags-recursive $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
		$(TAGS_FILES) $(LISP)
	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
	unique=`for i in $$list; do \
	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
	  done | \
	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
	      END { if (nonempty) { for (i in files) print i; }; }'`; \
	test -z "$(CTAGS_ARGS)$$unique" \
	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
	     $$unique

GTAGS:
	here=`$(am__cd) $(top_builddir) && pwd` \
	  && $(am__cd) $(top_srcdir) \
	  && gtags -i $(GTAGS_ARGS) "$$here"

distclean-tags:
	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags

distdir: $(DISTFILES)
	@case `sed 15q $(srcdir)/NEWS` in \
	*"$(VERSION)"*) : ;; \
	*) \
	  echo "NEWS not updated; not releasing" 1>&2; \
	  exit 1;; \
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	$(am__remove_distdir)
	test -d "$(distdir)" || mkdir "$(distdir)"
	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
	list='$(DISTFILES)'; \
	  dist_files=`for file in $$list; do echo $$file; done | \
	  sed -e "s|^$$srcdirstrip/||;t" \
	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
	case $$dist_files in \
	  */*) $(MKDIR_P) `echo "$$dist_files" | \
			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
			   sort -u` ;; \
	esac; \
	for file in $$dist_files; do \
	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
	  if test -d $$d/$$file; then \
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	    if test -d "$(distdir)/$$file"; then \
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	    fi; \
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	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
	    fi; \
	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
	  else \
	    test -f "$(distdir)/$$file" \
	    || cp -p $$d/$$file "$(distdir)/$$file" \
	    || exit 1; \
	  fi; \
	done
	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
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	    || $(MKDIR_P) "$(distdir)/$$subdir" \
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	    $(am__relativize); \
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	    dir1=$$subdir; dir2="$(top_distdir)"; \
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	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
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		am__remove_distdir=: \
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	$(MAKE) $(AM_MAKEFLAGS) \
	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
	  dist-hook
	-test -n "$(am__skip_mode_fix)" \
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		-exec chmod u+rwx,go+rx {} \; -o \
	  ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \
	  ! -type d ! -perm -400 -exec chmod a+r {} \; -o \
	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
	|| chmod -R a+r "$(distdir)"
dist-gzip: distdir
	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
	$(am__remove_distdir)
dist-bzip2: distdir
	tardir=$(distdir) && $(am__tar) | bzip2 -9 -c >$(distdir).tar.bz2
	$(am__remove_distdir)

dist-lzma: distdir
	tardir=$(distdir) && $(am__tar) | lzma -9 -c >$(distdir).tar.lzma
	$(am__remove_distdir)

dist-xz: distdir
	tardir=$(distdir) && $(am__tar) | xz -c >$(distdir).tar.xz
	$(am__remove_distdir)

dist-tarZ: distdir
	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
	$(am__remove_distdir)

dist-shar: distdir
	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
	$(am__remove_distdir)

dist-zip: distdir
	-rm -f $(distdir).zip
	zip -rq $(distdir).zip $(distdir)
	$(am__remove_distdir)

dist dist-all: distdir
	tardir=$(distdir) && $(am__tar) | bzip2 -9 -c >$(distdir).tar.bz2
	$(am__remove_distdir)

# This target untars the dist file and tries a VPATH configuration.  Then
# it guarantees that the distribution is self-contained by making another
# tarfile.
distcheck: dist
	case '$(DIST_ARCHIVES)' in \
	*.tar.gz*) \
	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
	*.tar.bz2*) \
	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
	*.tar.lzma*) \
	  lzma -dc $(distdir).tar.lzma | $(am__untar) ;;\
	*.tar.xz*) \
	  xz -dc $(distdir).tar.xz | $(am__untar) ;;\
	*.tar.Z*) \
	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
	*.shar.gz*) \
	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
	*.zip*) \
	  unzip $(distdir).zip ;;\
	esac
	chmod -R a-w $(distdir); chmod a+w $(distdir)
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	test -d $(distdir)/_build || exit 0; \
	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
	  && dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
	  && am__cwd=`pwd` \
	  && $(am__cd) $(distdir)/_build \
	  && ../configure --srcdir=.. --prefix="$$dc_install_base" \
	    $(DISTCHECK_CONFIGURE_FLAGS) \
	  && $(MAKE) $(AM_MAKEFLAGS) \
	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
	  && $(MAKE) $(AM_MAKEFLAGS) check \
	  && $(MAKE) $(AM_MAKEFLAGS) install \
	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
	  && $(MAKE) $(AM_MAKEFLAGS) uninstall \
	  && $(MAKE) $(AM_MAKEFLAGS) distuninstallcheck_dir="$$dc_install_base" \
	        distuninstallcheck \
	  && chmod -R a-w "$$dc_install_base" \
	  && ({ \
	       (cd ../.. && umask 077 && mkdir "$$dc_destdir") \
	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" install \
	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" uninstall \
	       && $(MAKE) $(AM_MAKEFLAGS) DESTDIR="$$dc_destdir" \
	            distuninstallcheck_dir="$$dc_destdir" distuninstallcheck; \
	      } || { rm -rf "$$dc_destdir"; exit 1; }) \
	  && rm -rf "$$dc_destdir" \
	  && $(MAKE) $(AM_MAKEFLAGS) dist \
	  && rm -rf $(DIST_ARCHIVES) \
	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck \
	  && cd "$$am__cwd" \
	  || exit 1
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	  list='$(DIST_ARCHIVES)'; for i in $$list; do echo $$i; done) | \
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distuninstallcheck:
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	        fi ; \
	        $(distuninstallcheck_listfiles) ; \
	        exit 1; } >&2
distcleancheck: distclean
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	  echo "ERROR: distcleancheck can only run from a VPATH build" ; \
	  exit 1 ; \
	fi
	@test `$(distcleancheck_listfiles) | wc -l` -eq 0 \
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	       $(distcleancheck_listfiles) ; \
	       exit 1; } >&2
check-am: all-am
check: check-recursive
all-am: Makefile $(DATA) config.h
installdirs: installdirs-recursive
installdirs-am:
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	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
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install: install-recursive
install-exec: install-exec-recursive
install-data: install-data-recursive
uninstall: uninstall-recursive

install-am: all-am
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installcheck: installcheck-recursive
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	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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mostlyclean-generic:

clean-generic:

distclean-generic:
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	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
	-test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)

maintainer-clean-generic:
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clean: clean-recursive

clean-am: clean-generic clean-libtool mostlyclean-am

distclean: distclean-recursive
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	-rm -f Makefile
distclean-am: clean-am distclean-generic distclean-hdr \
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dvi: dvi-recursive

dvi-am:

html: html-recursive

html-am:

info: info-recursive

info-am:

install-data-am: install-pkgconfigDATA

install-dvi: install-dvi-recursive

install-dvi-am:

install-exec-am:

install-html: install-html-recursive

install-html-am:

install-info: install-info-recursive

install-info-am:

install-man:

install-pdf: install-pdf-recursive

install-pdf-am:

install-ps: install-ps-recursive

install-ps-am:

installcheck-am:

maintainer-clean: maintainer-clean-recursive
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maintainer-clean-am: distclean-am maintainer-clean-generic

mostlyclean: mostlyclean-recursive

mostlyclean-am: mostlyclean-generic mostlyclean-libtool

pdf: pdf-recursive

pdf-am:

ps: ps-recursive

ps-am:

uninstall-am: uninstall-pkgconfigDATA

.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) all \
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.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
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	uninstall uninstall-am uninstall-pkgconfigDATA


.PHONY: ChangeLog dist-up
ChangeLog:
	git --git-dir $(top_srcdir)/.git log > ChangeLog || touch ChangeLog

dist-hook: ChangeLog

dist-up: dist
	rsync $(distdir).tar.bz2 frs.sourceforge.net:uploads/

# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

**striker07** · 04-25-2011

Well, after a week of work, I still can't compile fprint. I stopped in the dependencies of it. First, it needed the libusb-1.0 - I downloaded and compiled the source of libusb-1.0.8. After this, it asks for -lnss3. I suppose that is the Mozilla's Network Security Service... is this right? I've downloaded, but I can't find a way to compile it for ARM...

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Cross-Compile some libs

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