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2012-02-17 15:48:23 +00:00
accessibility
afms
android android: prune missing libraries from install list 2012-02-16 17:35:09 +00:00
animations fdo#39491 remove nonexistent include paths 2012-02-10 21:41:45 +01:00
apache-commons
apple_remote
autodoc
avmedia Make avmedia module buildable with dbglevel=3 again. 2012-02-17 15:54:48 +01:00
basctl Various string function clean up 2012-02-15 15:41:09 +01:00
basebmp Use the same simple lo_main() on iOS as on Android 2012-02-16 15:25:37 +02:00
basegfx Use the same simple lo_main() on iOS as on Android 2012-02-16 15:25:37 +02:00
basic callcatcher: update unused code list 2012-02-16 10:26:03 +00:00
bean
beanshell
berkeleydb
bin get-bugzilla-attachments-by-mimetype: add retry: 2012-02-13 00:25:03 +01:00
binaryurp
boost
bridges fix armel/armv4t build 2012-02-17 11:23:55 +01:00
cairo
canvas Remove unused code 2012-02-13 16:21:42 +00:00
chart2 fdo#39491 -I$(OUTDIR)/inc is set in SOLARINC 2012-02-10 21:41:45 +01:00
cli_ure remove extraneous qualifiers that break some compilers 2012-02-17 15:22:46 +00:00
clucene suppress -Werror for clucene 2012-02-17 15:49:18 +01:00
codemaker Reduce verbiage slightly 2012-02-16 15:25:38 +02:00
comphelper Clean up AsyncEventNotifier interface 2012-02-16 19:01:27 +01:00
configmgr Moved configmgr/source/README into configmgr/README 2012-02-14 13:48:46 +01:00
connectivity fdo#46206 accept an arbitrary query for INSERT 2012-02-17 07:28:46 +01:00
cosv
cppcanvas Removed unused code from cppcanvas 2012-02-17 15:48:23 +00:00
cppu cleanup: remove remenants of gcc version checking 2012-02-14 14:15:52 +00:00
cppuhelper
cppunit Mark cppunit patch as upstreamed 2012-02-14 11:40:31 +01:00
cpputools Build unoexe as a (static) library for iOS 2012-02-16 15:25:39 +02:00
crashrep
cross_toolset
ct2n
cui Some more comphelper/configurationhelper clean up 2012-02-14 14:19:07 +01:00
curl
dbaccess Make sure spawned thread is joined again 2012-02-16 19:01:27 +01:00
desktop disable JRE warnings during help compilation on first start 2012-02-16 12:45:41 +00:00
distro-configs Fix fdo#45584 - disable cairocanvas on Mac. 2012-02-17 16:34:21 +01:00
dmake
drawinglayer Removed unused code from drawinlayer 2012-02-17 15:47:02 +00:00
dtrans Use emptiness check rather than size check for efficiency 2012-02-17 15:22:29 +00:00
editeng clean up logic 2012-02-17 15:25:28 +00:00
embeddedobj
embedserv
epm
eventattacher
expat
extensions char* -> const char* for npapis getMIMEDescription to fix build with newer mozs 2012-02-17 16:40:46 +01:00
external use configured HOST_PLATFORM instread of hardcoded triplet 2012-02-17 15:53:55 +01:00
extras
fileaccess fdo#39491 -I$(OUTDIR)/inc is set in SOLARINC 2012-02-10 21:41:45 +01:00
filter Make filters module buildable with dbglevel=3 again. 2012-02-17 15:53:47 +01:00
fontconfig
forms Forgotten German word in translated comment 2012-02-16 17:01:43 +01:00
formula fdo#39491 -I$(OUTDIR)/inc is set in SOLARINC 2012-02-10 21:41:45 +01:00
fpicker Possible inefficient checking for 'm_EventList' emptiness. 2012-02-17 15:17:32 +00:00
framework Typo fix: com.sum -> com.sun 2012-02-16 15:25:40 +02:00
freetype
gdk-pixbuf
gettext
git-hooks
glib
graphite
guw
hsqldb
hunspell
hwpfilter EasyHack: Removed gcc conditionals 2012-02-13 17:33:15 +00:00
hyphen
i18npool resolved rhbz#794679 use proper Indian Rupee currency symbol U+20B9 2012-02-17 13:11:47 +01:00
i18nutil
icc
icon-themes better Galaxy icon for Remove Watchpoint in Basic IDE 2012-02-13 21:20:38 +01:00
icu fix icu build on arm 2012-02-17 16:40:46 +01:00
idl fdo#39491 -I$(OUTDIR)/inc is set in SOLARINC 2012-02-10 21:41:45 +01:00
idlc
instsetoo_native
io remove extraneous qualifiers that break some compilers 2012-02-17 15:22:46 +00:00
javaunohelper update makefiles 2012-02-17 08:34:26 +01:00
jfreereport
jpeg
jurt Move all jurt JunitTests back to subsequentcheck for now 2012-02-17 16:15:37 +01:00
jvmaccess update makefiles 2012-02-17 08:34:26 +01:00
jvmfwk update makefiles 2012-02-17 08:34:26 +01:00
l10ntools Make l10ntools module buildable with dbglevel=3 again. 2012-02-17 15:53:58 +01:00
languagetool
libcdr Added READMEs for some library modules which didn't have them 2012-02-14 12:33:01 +10:30
libcmis Added READMEs for some library modules which didn't have them 2012-02-14 12:33:01 +10:30
libcroco Added READMEs for some library modules which didn't have them 2012-02-14 12:33:01 +10:30
libexttextcat
libgsf Added READMEs for some library modules which didn't have them 2012-02-14 12:33:01 +10:30
libpng Added READMEs for some library modules which didn't have them 2012-02-14 12:33:01 +10:30
librsvg Added READMEs for some library modules which didn't have them 2012-02-14 12:33:01 +10:30
libvisio Added READMEs for some library modules which didn't have them 2012-02-14 12:33:01 +10:30
libwpd
libwpg
libwps
libxml2
libxmlsec
libxslt
lingucomponent
linguistic possible inefficient checking for emptiness 2012-02-16 12:24:33 +00:00
lotuswordpro WaE: uninitialized pCell 2012-02-17 12:21:36 +00:00
lpsolve
lucene
m4 add macro for extracting mingw dll names from libtool files 2012-02-17 15:53:58 +01:00
MathMLDTD
mdds
Mesa EasyHack: Removed gcc conditionals 2012-02-13 17:33:15 +00:00
migrationanalysis
more_fonts
moz
mysqlc Fix typos in comments 2012-02-13 15:27:24 +00:00
mysqlcppconn
mythes
neon
nlpsolver
np_sdk char* -> const char* for npapis getMIMEDescription to fix build with newer mozs 2012-02-17 16:40:46 +01:00
nss
o3tl
odk merge feature/gbuild_java 2012-02-17 08:34:22 +01:00
offapi plural right after all 2012-02-14 15:44:00 +01:00
officecfg Typo fix: com.sum -> com.sun 2012-02-16 15:25:40 +02:00
oovbaapi
oox n744503: Importing useBgFill colors for shapes. 2012-02-16 21:02:14 +05:30
openssl
package drop Z_PREFIX from internal zlib, makes building clucene much easier 2012-02-16 11:13:13 +00:00
packimages
padmin Various string function clean up 2012-02-15 15:41:09 +01:00
pango
postgresql
postprocess merge feature/gbuild_java 2012-02-17 08:34:22 +01:00
psprint_config
python
pyuno Work around macro redefinition warning 2012-02-16 18:15:04 +01:00
qadevOOo Fix typos in comments 2012-02-13 15:27:24 +00:00
rdbmaker
readlicense_oo move CVER traces (sunpro compiler) 2012-02-14 17:45:26 +01:00
redland add missing quotes 2012-02-17 15:53:55 +01:00
regexp
registry
remotebridges
reportbuilder
reportdesign fdo#39491 remove nonexistent include paths 2012-02-10 21:41:45 +01:00
rhino
ridljar update makefiles 2012-02-17 08:34:26 +01:00
rsc Various string function clean up 2012-02-15 15:41:09 +01:00
sal Use the same simple lo_main() on iOS as on Android 2012-02-16 15:25:37 +02:00
salhelper salhelper: remove unexisting maps 2012-02-14 17:45:25 +01:00
sane
sax Reduce verbiage slightly 2012-02-16 15:25:38 +02:00
saxon
sc add test for ScCellRangeObj::setDataArray and getDataArray 2012-02-17 02:00:25 +01:00
scaddins fdo#39491 more of unnecessary include paths 2012-02-10 21:41:46 +01:00
sccomp fdo#39491 more of unnecessary include paths 2012-02-10 21:41:46 +01:00
scp2 make gengal work again 2012-02-17 16:40:47 +01:00
scripting
sd fix up const malformed copy ctors and operator= 2012-02-16 10:26:03 +00:00
sdext WaE: unreachable code 2012-02-17 12:21:37 +00:00
setup_native
sfx2 remove extraneous qualifiers that break some compilers 2012-02-17 15:22:46 +00:00
shell
slideshow remove duplicated assignment 2012-02-17 13:59:29 +01:00
smoketest Remove lodownloadtest.py trailing white spaces 2012-02-16 22:18:53 +08:00
smoketestoo_native move ABORT_ON_ASSERTION from smoketest to smoketestoo_native 2012-02-13 14:29:52 +00:00
solenv Various fixes for JunitTests 2012-02-17 15:51:49 +01:00
soltools No SUN dependencies anymore 2012-02-17 11:14:30 +01:00
sot Various string function clean up 2012-02-15 15:41:09 +01:00
starmath Various string function clean up 2012-02-15 15:41:09 +01:00
stax
stlport
stoc java: add STOC_FORCE_NO_JRE env. var to enable easy testing of no-JRE case. 2012-02-16 12:45:41 +00:00
store
svl callcatcher: update unused code list 2012-02-16 10:26:03 +00:00
svtools Removed unused functions from MultiLineEdit in svtools module 2012-02-16 11:38:04 +00:00
svx make gengal work again 2012-02-17 16:40:47 +01:00
sw sw: second round of doxygen comments 2012-02-17 10:49:01 +01:00
swext
sysui
tail_build
test add test code for XCellRangeData 2012-02-17 02:00:25 +01:00
testtools add a uno test api with more than 8 floating point args 2012-02-17 12:21:36 +00:00
tomcat
toolkit callcatcher: update unused code list 2012-02-16 10:26:03 +00:00
tools WaE: unused parameter 2012-02-17 09:14:43 +01:00
twain
ucb WaE: /* within comment 2012-02-15 15:11:29 +00:00
ucbhelper
udkapi Fix typos in comments 2012-02-13 15:27:24 +00:00
udm
unixODBC
UnoControls
unodevtools
unoil update makefiles 2012-02-17 08:34:26 +01:00
unotest
unotools WaE: unused variables 2012-02-17 12:21:37 +00:00
unoxml
ure component file moved 2012-02-17 08:57:54 +01:00
uui
vbahelper
vcl suppress -Werror for vclplug_gtk3 2012-02-17 15:49:18 +01:00
vigra
wizards fdo#39491 more of unnecessary include paths 2012-02-10 21:41:46 +01:00
writerfilter fdo#45543 fix RTF import of ms932-encoded characters 2012-02-13 18:44:48 +01:00
writerperfect remove extraneous qualifiers that break some compilers 2012-02-17 15:22:46 +00:00
x11_extensions
xmerge
xml2cmp
xmlhelp
xmloff Remove unused code in XMLTextImportHelper 2012-02-13 15:56:31 +00:00
xmlreader
xmlscript
xmlsecurity Remove unused code in XSecController 2012-02-13 15:56:31 +00:00
xpdf
xsltml
zlib drop Z_PREFIX from internal zlib, makes building clucene much easier 2012-02-16 11:13:13 +00:00
.gitattributes
.gitignore
.src_root
autogen.sh add macro for extracting mingw dll names from libtool files 2012-02-17 15:53:58 +01:00
bootstrap
build_env.in
config.guess
config.sub
config_host.mk.in add check for xmllint 2012-02-13 12:32:41 +00:00
configure.in do not hardcode mingw path 2012-02-17 15:53:59 +01:00
COPYING
COPYING.LGPL
COPYING.MPL
download
g
install-sh
Library_merged.mk Add svt and tk to libmerged 2012-02-15 16:20:00 +02:00
Makefile update Makefile 2012-02-17 11:26:43 +01:00
Module_tail_build.mk
ooo.lst.in first cut at building an internal clucene 2012-02-17 12:21:37 +00:00
oowintool
post.Makefile
post_download.in
README.Android
README.cross Merge branch 'feature/android' 2012-02-15 12:00:46 +02:00
Repository.mk make gengal work again 2012-02-17 16:40:47 +01:00
RepositoryExternal.mk merge feature/gbuild_java 2012-02-17 08:34:22 +01:00
RepositoryFixes.mk
RepositoryModule_ooo.mk first cut at building an internal clucene 2012-02-17 12:21:37 +00:00
TEMPLATE.SOURCECODE.HEADER
unusedcode.easy Removed unused code from cppcanvas 2012-02-17 15:48:23 +00:00

Cross-compiling LibreOffice
===========================

The cross-compilation experimentation is going on for four platforms:
Windows, iOS, Android and PowerPC Mac OS X. It happens in the master
branch of LibreOffice. Some people have talked about setting up a
separate branch for Android work, or even separate clones at github,
but that is not necessary.

Cross-compilation of LibreOffice completely is not possible yet. Much
work has been done, "baby steps" for some platforms, much more for
others, but a lot remains. For iOS and Android this work is highly
experimental, originally done in spare time just for the hacking
pleasure. No promise, explicit or implied, is given that it will ever
be finished.

Searching for information about cross-compilation of OpenOffice.org
(the predecessor of LibreOffice) you will find information about what
actually was not cross-compilation, but using QEMU.


General
-------

In GNU Autoconf terminology, "build" is the platform on which you are
running a build on some software and "host" is the platform on which
the software you are building will run. Only in the specific case of
building compilers and other programming tools is the term "target"
used to indicate the platform for which the tools your are building
will produce code. As LibreOffice is not a compiler, the "target" term
should not be used in the context of cross-compilation.

(For a case where all three of "build", "host" and "target" are
different: consider a gcc cross-compiler running on Windows, producing
code for Android, where the cross-compiler itself was built on
Linux. (This is a real case.) An interesting tidbit is that such
configurations are called "Canadian Cross".)

Even though the LibreOffice build mechanism is highly unorthodox, the
configure script takes the normal --build and --host options like any
GNU Autoconf -based configure script. To cross-compile, you basically
need just to specify a suitable --host option and things should work
out nicely. In practise, many details needed to be handled. See
examples below.


What is so hard, then?
----------------------

Despite the fact that the configure script takes normal --build and
--host options, that is just the beginning. In practise a lot of work
was necessary to separate tests for "host" and "build" platforms in
the configure script. See the git log for details. And the reasonably
"standard" configure.in is just the top level; when we get down to the
actual makefilery used to build the bits of LibreOffice, it gets much
worse.


Windows
-------

There is some support in LibreOffice already (from OpenOffice.org) for
building it locally on Windows with the GNU tool-chain
(MinGW). Apparently, that work has never attempted cross-compilation.

This OOo-originated MinGW support attempts to support both running
Cygwin gcc in its -mno-cygwin mode, and a native MinGW compiler. The
-mno-cygwin mechanism in the Cygwin gcc is rapidly being obsoleted, if
it isn't already, and we have not attempted to try to keep it working;
in fact we have activly cleaned out mechanisms related to this. Ditto
for native MinGW. If one compiles natively on Windows, just use
Microsoft's compiler. OOo/LO has been built for Windows all the time
using that.

The only case where it makes sense to use MinGW is for
cross-compilation. There is just too much crack on Windows anyway, and
it is a semi-miracle (well, make that the result of years of work)
that the MSVC build under Cygwin works as nicely as it does.

MinGW is available as cross-build toolchains pre-packaged in more or
less official packages for many Linux distros including Debian,
Fedora, openSUSE and SLE. For instance the mingw32 packages in the
Open Build Service, running on openSUSE:

http://download.opensuse.org/repositories/windows:/mingw:/win32/

For example, you can install it like this:

zypper ar http://download.opensuse.org/repositories/windows:/mingw:/win32/<your_os>/windows:mingw:win32.repo

where <your_os> is one of SLE_11, SLE_11_SP1, openSUSE_11.3, openSUSE_11.4 or
openSUSE_Factory.

zypper in mingw32-cross-gcc mingw32-cross-gcc-c++ mingw32-python-devel \
    mingw32-libexpat-devel mingw32-libexpat mingw32-boost-devel \
    mingw32-libhyphen-devel mingw32-libhyphen mingw32-hyphen-en \
    mingw32-liblpsolve mingw32-liblpsolve-devel \
    mingw32-libxml2-devel mingw32-libxslt-devel mingw32-libicu \
    mingw32-libicu-devel mingw32-libgraphite2 mingw32-libgraphite2-devel \
    mingw32-libcairo2 mingw32-cairo-devel mingw32-librsvg mingw32-librsvg-devel \
    mingw32-hunspell mingw32-hunspell-devel mingw32-libcurl \
    mingw32-libcurl-devel mingw32-libneon mingw32-libneon-devel \
    mingw32-libopenssl mingw32-libopenssl-devel mingw32-libexttextcat \
    mingw32-libexttextcat-devel mingw32-libdb mingw32-libdb-devel \
    mingw32-cross-pkg-config mingw32-pkg-config mingw32-libcppunit \
    mingw32-libcppunit-devel mingw32-libredland mingw32-libredland-devel \
    mingw32-libmythes mingw32-libmythes-devel

There might be more that are missing, please read carefully what autogen.sh
tells you, and either remove one of the --with-system-*, or install the
missing dependency.

It also looks like graphite2.pc needs tweaking in order to work right; but
that's likely to be fixed in the openSUSE project.

It is somewhat unclear how well thought-out the conditionals and code
for MinGW inside the OOo-originated code in LibreOffice actually
are. It often seems a bit randomish, with copy-pasting having been
preferred to factoring out differences.

Most of the configuration settings are maintained in the
distro-configs/LibreOfficeMinGW.conf file, so in your autogen.lastrun,
you can use:

CC=ccache i686-w64-mingw32-gcc
CXX=ccache i686-w64-mingw32-g++
CC_FOR_BUILD=ccache gcc
CXX_FOR_BUILD=ccache g++
--with-distro=LibreOfficeMinGW

Alternatively, you can use something like the following; but the
preferred way is to keep the LibreOfficeMinGW.conf file up-to-date.

CC=ccache i686-w64-mingw32-gcc
CXX=ccache i686-w64-mingw32-g++
CC_FOR_BUILD=ccache gcc
CXX_FOR_BUILD=ccache g++
--build=x86_64-unknown-linux-gnu
--host=i686-w64-mingw32
--with-distro=LibreOfficeWin32
--disable-activex
--disable-binfilter
--disable-build-mozilla
--disable-directx
--disable-ext-nlpsolver
--disable-ext-pdfimport
--disable-ext-presenter-console
--disable-ext-presenter-minimizer
--disable-ext-report-builder
--disable-ext-scripting-beanshell
--disable-ext-scripting-javascript
--disable-ext-wiki-publisher
--disable-ext-wiki-publisher
--disable-mozilla
--disable-nss-module
--disable-zenity
--enable-python=system
--with-external-tar=/mnt/hemulen/ooo/git/master/src
--with-num-cpus=1
--with-max-jobs=1
--with-system-altlinuxhyph
--with-system-boost
--with-system-cairo
--with-system-cppunit
--with-system-curl
--with-system-db
--with-system-expat
--with-system-gettext
--with-system-hunspell
--with-system-icu
--with-system-libpng
--with-system-libwpd
--with-system-libwpg
--with-system-libwps
--with-system-libxml
--with-system-lpsolve
--with-system-mythes
--with-system-neon
--with-system-openssl
--with-system-redland
--with-vendor=no
--without-help
--without-helppack-integration
--without-myspell-dicts

Once you have compiled it, you may want to try to run it:

$ cd /tmp
$ tar xf <your-build-dir>/instsetoo_native/wntgcci.pro/LibreOffice_Dev/archive/install/en-US/LibO-Dev_3.6.0alpha0_Win_x86_install-arc_en-US.tar.gz
$ cd LibO-Dev_3.6.0alpha0_Win_x86_install-arc_en-US/LOdev\ 3.6/program
$ wine soffice.exe

NB. it is important to unpack somewhere low in the hierarchy structure (like
in /tmp as advised above), otherwise you'll get BerkeleyDB errors on startup.

And if you are brave enough, you can even debug it.  First you have to add the
URE dll's to the wine's PATH using 'wine regedit' - see
http://www.winehq.org/docs/wineusr-guide/environment-variables, and add
Z:\tmp\LibO-Dev_3.6.0alpha0_Win_x86_install-arc_en-US\LOdev 3.6\URE\bin
to "Path" in My Computer->HKEY_CURRENT_USER->Environment.

Then run linkoo, so that when you rebuild something, you can directly see the
changes the next time you run it:

solenv/bin/linkoo '/tmp/LibO-Dev_3.6.0alpha0_Win_x86_install-arc_en-US/LOdev 3.6' <your_clone_dir>

And start debugging:

$ winedbg soffice.bin

Would be great to be able to use winedbg --gdb, but it was crashing here :-( -
but maybe you'll be more lucky.

TODO:

- installation
  - so far the make_installer.pl calls makecab.exe, uuidgen.exe, and
    others; would be best to avoid that if at all possible (using a free
    cab implementation, part of Wine or something)
  - MSI generation
  - if at all possible, the make dev-install installation (with links
    back to the build) should be done so that it would be directly
    executable via wine after doing make dev-install :-)

- runtime
  - no idea if the entire thing works after the installation at all; I
    suppose there will be runtime problems to look at too

- cleanup
  - enable & fix pieces that are currently disabled
    - --without-myspell-dicts
    - --disable-directx
    - --disable-activex
    - --disable-mozilla
  - much of the stuff currently relies on --with-system-*, and
    consequently on the mingw32-* openSUSE packages; might be good to be
    able to build with as few dependencies as possible - but that is low
    prio

- profiling
  - when all the above is sorted out, we should look at the speed of
    this vs. the speed of the MSVC version


iOS
---

iOS is the operating system of Apple's mobile devices. Clearly for a
device like the iPad it would be totally unacceptable to run a normal
LibreOffice application with a overlapping windows and mouse-oriented
GUI widgets. No work has been done (at least publicly) by others to
design a touch GUI for LibreOffice, so that is something that needs to
be done.

Obviously it will make sense to use only a part of LibreOffice's code
for iOS. Most likely lots of the GUI-oriented code should be left out,
and some iOS app(s) that eventually wants to use the remaining bits
will handle all its GUI in a platform-dependent manner. How well it
will be possible to do such a split remains to be seen.

Technically, one important special aspect of iOS is that apps are not
allowed to load own dynamic libraries. (System libraries are used in
the form of dynamic libraries, just like on Mac OS X, of which iOS is a
variant.) So all the libraries in LibreOffice that normally are shared
libraries (DLLs on Windows, shared objects (.so) on Linux, dynamic
libraries on Mac OS X (.dylib)) need to be built as static archives
instead. Obviously this will have some interesting consequences for
how UNO is implemented and used. None of that has been spared much
thought yet.

The Apple tool-chain for iOS cross-building is available only for
Mac OS X.

Here is an autogen.lastrun for iOS (device):
CXX=ccache /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++ -arch armv7 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk
CC=ccache /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc -arch armv7 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk
CC_FOR_BUILD=ccache /Xcode3/usr/bin/gcc-4.0 -mmacosx-version-min=10.4
CXX_FOR_BUILD=ccache /Xcode3/usr/bin/g++-4.0 -mmacosx-version-min=10.4
--with-distro=LibreOfficeiOS
--with-external-tar=/Volumes/ooo/git/master/src
--with-num-cpus=1
--with-max-jobs=1
--without-help
--without-helppack-integration
--without-myspell-dicts

And here for the iOS simulator:
CXX=ccache /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/g++ -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk
CC=ccache /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk
CC_FOR_BUILD=ccache /Xcode3/usr/bin/gcc-4.0 -mmacosx-version-min=10.4
CXX_FOR_BUILD=ccache /Xcode3/usr/bin/g++-4.0 -mmacosx-version-min=10.4
--with-distro=LibreOfficeiOS
--with-external-tar=/Volumes/ooo/git/master/src
--with-num-cpus=1
--with-max-jobs=1
--enable-debug
--without-help
--without-helppack-integration
--without-myspell-dicts

It seems that with the latest iOS SDK one has to do:
sudo ln -s i686-apple-darwin10 /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk/usr/include/c++/4.2.1/i686-apple-darwin11
or g++ won't find its headers like <bits/c++config.h>

Android
-------

From a technical point of view the core Android OS is Linux, but
everything else is different. Unlike iOS, an Android app can use
shared objects just fine, so that aspect of UNO doesn't need special
handling.

As for the GUI, the same holds as said above for iOS.

Android cross-compilation work has been done on Linux (openSUSE in
particular) and Mac OS X. The Android cross-buld tool-chain (the
"Native Development Kit", or NDK) is available for Linux, Mac OS X and
Windows. (Trying to cross-compile from Windows will probably drive you
insane.)

Here is an autogen.lastrun for Android, when cross-compiling from Mac OS X:

CC_FOR_BUILD=ccache /Xcode3/usr/bin/gcc-4.0 -mmacosx-version-min=10.4
CXX_FOR_BUILD=ccache /Xcode3/usr/bin/g++-4.0 -mmacosx-version-min=10.4
--with-android-ndk=/Users/tml/android-ndk-r7
--with-android-sdk=/Users/tml/android-sdk-macosx
--build=x86_64-apple-darwin11
--disable-zenity
--enable-werror
--with-distro=LibreOfficeAndroid
--with-external-tar=/Volumes/ooo/git/master/src
--disable-python
--without-helppack-integration
--without-myspell-dicts
--with-java

And here is an autogen.lastrun for Android when cross-compiling from Linux:

CC_FOR_BUILD=ccache gcc
CXX_FOR_BUILD=ccache g++
--with-android-ndk=/home/tml/android-ndk-r7
--with-android-sdk=/home/tml/android-sdk-linux_x86
--with-ant-home=/opt/apache-ant-1.8.2
--build=x86_64-unknown-linux-gnu
--disable-zenity
--with-distro=LibreOfficeAndroid
--with-external-tar=/mnt/hemulen/ooo/git/master/src
--disable-python
--with-num-cpus=1
--with-max-jobs=1
--without-helppack-integration
--without-myspell-dicts

There is no interactive end-user "app" you could run yet that would
use LibreOffice code, but you can build some non-interactive unit
tests and run them on the emulator (or, presumably, on a device,
although that hasn't been tested as nobody with an actual Android
device has worked on it yet...)  The simple unit tests will succeed,
the complex one still fails.

These unit tests *are* proper "apps" from Android'd point of view, but
they don't have any GUI and thus don't take part in the normal Android
message passing and Android thinks they are stuck and offers to kill
them...

The activity used for these apps is in android/Bootstrap. See
README.Android.

To build the complex unit test (for Calc functionality; invokes the
"ucalc" unit test code from sc) source the environment (. Env.Host.sh)
and cd to android/qa/sc and run a "make". The Makefile here is
completely manually written, this stuff is so experimental it doesn't
make sense yet to try to integrate with the normal gbuild
mechanism.

Then to run the unit test, do "make install" followed by "make
run". You most likely want to have an "adb logcat" running in another
window, and you probably also want to have set the stdout and stderr
of app processes to be redirected to logcat ("adb shell stop; adb
shell setprop log.redirect-stdio true; adb shell start").

To debug, do manually what "make run" would do, adding args "-e
lo-main-delay 20" to the command line, and when the app has started,
run ndk-gdb. Unfortunately the gdb in NDK r7 is broken, use the one in
the NDK build with newer versions of gcc and gdb from
http://code.google.com/p/mingw-and-ndk/ instead.

Running strace on the unit test in progress is often useful to find
out what is going wrong. Pass something like -e lo-strace '-tt -f -e
trace=file,process,network -o /system/sc/strace.out' to the am start
command line.


PowerPC Mac OS X
----------------

Cross-compiling for PowerPC Mac OS X from Intel Mac OS X will probably
be easy. The APIs available should after all be closely identical to
those on Intel Mac OS X, and LibreOffice builds fine natively on
PowerPC Mac already. Only a little experimenting has been done with
it. An autogen.lastrun looks like this:

CC=ccache /Xcode3/usr/bin/gcc-4.0 -arch ppc
CXX=ccache /Xcode3/usr/bin/g++-4.0 -arch ppc
CC_FOR_BUILD=ccache /Xcode3/usr/bin/gcc-4.0
CXX_FOR_BUILD=ccache /Xcode3/usr/bin/g++-4.0
--build=i386-apple-darwin10.7.0
--host=powerpc-apple-darwin10
--disable-mozilla
--disable-build-mozilla
--with-external-tar=/Volumes/ooo/git/master/src