On Sun, 29 Apr 2012 15:01:12 +0200 Bernd <prof7...@googlemail.com> wrote:
> Hi, > > I just thought I kill some time investigating cross compiling from > i386-linux to i386-win32 and hada look at the wiki page > http://wiki.freepascal.org/Cross_compiling > > It seems there is some important thing missing, right at the beginning > but I don't know enough about fpcmake to extend the article in a way > that explains in a short sentence what fpcmake's actually does (and > how it does this) and what options are of interest. > > Here is what I had installed initially on my Linux-i386 (Xubuntu 11.10) > > an fpc checkout from the 2.6 fixes branch > a lazarus checkout from the trunk > > For normal compiling (not cross) after updating everything from svn I > usually just use > > in the fpc directory > make clean all > sudo make install > > (the fpc.cfg is in /etc and I once created it with the tool that comes > with fpc and never touched it since) > > and in the Lazarus directory > make clean lazbuild useride > > (without install, just run Lazarus directly from there) > > *** > > Now I decided to try experimenting with cross compiling to win32, > something I have never done before and expected to be very difficult > to set up. The only problem I had was the wiki page does not mention > with any word that one must first do fpcmake -Ti386-win32 Normally this is not needed because the makefiles are created with fpcmake -Tall, which creates Makefile for all targets. Maybe someone forgot this? > Then it was surprisingly easy: > > fpcmake -Ti386-win32 > make all OS_TARGET=win32 CPU_TARGET=i386 > sudo make crossinstall OS_TARGET=win32 CPU_TARGET=i386 > > and that was all! > > I have also seen mentioning somewhere the fpc.cfg needs to be edited > but my fpc.cfg seemed to already contain the correct $fpctarget > macros. Some years ago some installers created fpc.cfg without the macros. That's why the wiki mentions it. Feel free to add a comment, that nowadays this is usually already done. > Also it seems there is absolutely no additional configuration > in Lazarus needed, it just worked out of the box immediately on the > first try! :) > All I did was opening a simple project with some database > stuff for sqlite that already used to compile and run on windows, I > just opened the project and set in the project settings: > > Code Generation / Target OS: Win32 > Build Modes / Macro values: LCLWidgetType: win32 You don't need to set the LCLWidgetType here because win32 is the default for TargetOS win32. > And it immediately worked! It automatically re-compiled all needed LCL > and other packages without changing *any* Lazarus setting at all and > it created a working LCL windows exe! > > This is great stuff, I am impressed! I initially prepared for many > frustrating hours experimenting and searching little pieces of > information from all over the web but instead it just worked > immediately! The only thing is the wiki page seems slightly outdated > in a few details regarding Linux->Windows cross compile: > > * missing hint for fpcmake > * fpc.cfg probably already ok, no editing here anymore > * no Lazarus config change, no new Lazarus profile, no rebuilding of > Lazarus anymore > > maybe this also affects the other cross-compile-combinations (which > are certainly more complicated because of the binutils but maybe also > became easier), but I don't have enough experience with this to feel > confident enough to make changes. Someone else with more routine in > cross compiling should do this. Mattias _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
