Re: [Lazarus] Difference between Lazarus 1.4.2 and 1.5 of i18n
Am 20.09.2015 um 17:11 schrieb Mattias Gaertner: Someone broke the layout of the i18n frame of the project options. The checkbox was hidden below the bottom. I fixed it. Thank you, I've tested revision 49855 and it works fine now :) kind regards Michael -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
Mattias Gaertner wrote: On Sun, 20 Sep 2015 11:42:51 + Mark Morgan Lloyd wrote: leledumbo wrote: For newer lazaruses, .lrs is no longer used, since Lazarus uses the .lfm files directly for new projects. and even in older lazarus, only .lfm is used for streaming. you can regenerate .lrs simply by either compiling it with lazres or make a trivial change in the form designer. Would lazres be automatically invoked by lazarus or lazbuild is the .lsr was missing? No. They share the code, so they call the same procedure. Lazarus and lazbuild auto generate the lrs files. That's the important thing, and what I actually meant. So in practical terms, a .lrs is rebuilt when needed in all cases. -- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] Project options lock IDE
Hello, fpc svn r31772 lazarus r49851 (Option -dDisableWrapperFunctions) osx yosemite qtx64 When I change target cpu, os and witget set then click ok button IDE lock. I added gdb bt result RunTool /usr/local/bin/fpc "-iWTOTP" "-Pi386" "-Twin32" "-Fr/opt/lazarus/components/codetools/fpc.errore.msg" [New Thread 0x1c17 of process 99024] [New Thread 0x1d0b of process 99024] RunTool /usr/local/bin/fpc "-va" "-Pi386" "-Twin32" "-Fr/opt/lazarus/components/codetools/fpc.errore.msg" "compilertest.pas" Hint: [TFPCTargetConfigCache.Update] has changed ^C Program received signal SIGINT, Interrupt. 0x00013f7f in fpc_varset_add_sets () (gdb) bt #0 0x00013f7f in fpc_varset_add_sets () #1 0x0001000297a3 in SYSUTILS_$$_EXTRACTFILEPATH$RAWBYTESTRING$$RAWBYTESTRING () #2 0x0001085a8540 in ?? () #3 0x0001000173ab in SYSTEM_$$_FREEMEM$POINTER$$QWORD () #4 0x0001085a81c0 in ?? () #5 0x0001b033 in fpc_ansistr_decr_ref () #6 0x8000 in ?? () #7 0x in ?? () -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] laz report crash IDE on startup with builded Option -dDisableWrapperFunctions
En Sun, 20 Sep 2015 10:43:30 -0500, FreeMan escribió: Hi Jesus, I get this error, not while make or building lazarus in terminal. In terminal, download svn lazarus, then make, then run lazbuild, every think is normal, when I try run IDE, then crash. I sended bash script, I run this script then rebuild lazarus from terminal, now working normal. I'm not test other os. Thank you I always had the .sh file, I probably added it locally and forgot to commit it. It's done in r49855. Anyway there seems to be a compiler error under OSX that sometimes it fails to link in the .res files, it sometimes happen here when I modify LazReport (when I forgot to clean it first) and recompile Lazarus. I was not able to reproduce it in a simpler project so I have not reported it. Jesus Reyes A. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] laz report crash IDE on startup with builded Option -dDisableWrapperFunctions
Hi Jesus, I get this error, not while make or building lazarus in terminal. In terminal, download svn lazarus, then make, then run lazbuild, every think is normal, when I try run IDE, then crash. I sended bash script, I run this script then rebuild lazarus from terminal, now working normal. I'm not test other os. Thank you On 20.09.2015 18:36, Jesus Reyes wrote: It happens here too, only under OS X. Recompiling LazReport clean (LazReport package More>>Recompile clean) and then recompiling Lazarus fix it for me. Jesus Reyes A. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] laz report crash IDE on startup with builded Option -dDisableWrapperFunctions
It happens here too, only under OS X. Recompiling LazReport clean (LazReport package More>>Recompile clean) and then recompiling Lazarus fix it for me. Jesus Reyes A. El dom 20-sep-15, FreeMan escribió: crashed. I get This lines from terminal. /opt/lazarus/components/lazreport/source/lr_desgn.pas line 8146 [FORMS.PP] ExceptionOccurred Sender=EResNotFound Exception=Resource "lrd_ins_fields" not found Stack trace: $0001000BF3B1 $0001000BF5E1 $00010101CD81 $00010101D026 TApplication.HandleException Resource "lrd_ins_fields" not found Stack trace: $0001000BF3B1 $0001000BF5E1 $00010101CD81 $00010101D026 Exception at 0001000BF3B1: EResNotFound: Resource "lrd_ins_fields" not found. -- -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Option -dDisableWrapperFunctions need "LazFileUtils" in two files
On Sun, 20 Sep 2015 17:07:20 +0300 FreeMan wrote: > Hello, > when try use Option -dDisableWrapperFunctions, this two files need add > "LazFileUtils" to uses section. > > /lazarus/components/chmhelp/packages/help/lhelpcontrol.pasline 226 > /lazarus/components/macfiles/macapplicationres.pasline 179 Thanks for the hint. Fixed. Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Difference between Lazarus 1.4.2 and 1.5 of i18n
On Sun, 20 Sep 2015 13:26:55 +0200 "Michael W. Vogel" wrote: > Hi, > > In Lazarus 1.4.2, ifIactivateintheproject > optionsi18n,thecaptionsofthecontrolsare inserted intothe.po. > If I do the same in Lazarus 1.5, only resourcestrings, not the captions > are inserted. > > I checked the project.lpi and see following lines: > > > > > > If I remove LFM="False" then also the control captions are saved in the > .po. So I think there is a new project option to activate / deactivate > the saving of the captions into the .po, but I din't find such a option. Someone broke the layout of the i18n frame of the project options. The checkbox was hidden below the bottom. I fixed it. > Can you tell me, where to find this project option in Lazarus 1.5? If > there isn't such a option, can you tell me, why LFM="False" is inserted > in the project.lpi? The default is true, i.e. normally it is not inserted. Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
On Sun, 20 Sep 2015 11:42:51 + Mark Morgan Lloyd wrote: > leledumbo wrote: > >> For newer lazaruses, .lrs is no longer used, since Lazarus uses the .lfm > > files directly for new projects. > > > > and even in older lazarus, only .lfm is used for streaming. you can > > regenerate .lrs simply by either compiling it with lazres or make a trivial > > change in the form designer. > > Would lazres be automatically invoked by lazarus or lazbuild is the .lsr > was missing? No. They share the code, so they call the same procedure. Lazarus and lazbuild auto generate the lrs files. Mattias -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] (FIXED) laz report crash IDE on startup with builded Option -dDisableWrapperFunctions
/opt/lazarus/components/lazreport/images/package_images.bat rename to "package_images.sh" and path delimeter "\" to "/" and delete last win command "pause". Give execute permission this file and run in terminal then rebuild lazarus. I get this error just when try use "-dDisableWrapperFunctions" On 20.09.2015 17:19, FreeMan wrote: Hello, svn fpc r31772 & lazarus r49851 osx 10.10.4 qtx64 I builded IDE -dDisableWrapperFunctions param, when start IDE, IDE crashed. I get This lines from terminal. /opt/lazarus/components/lazreport/source/lr_desgn.pas line 8146 [FORMS.PP] ExceptionOccurred Sender=EResNotFound Exception=Resource "lrd_ins_fields" not found Stack trace: $0001000BF3B1 $0001000BF5E1 $00010101CD81 $00010101D026 TApplication.HandleException Resource "lrd_ins_fields" not found Stack trace: $0001000BF3B1 $0001000BF5E1 $00010101CD81 $00010101D026 Exception at 0001000BF3B1: EResNotFound: Resource "lrd_ins_fields" not found. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus package_images.sh Description: Bourne shell script -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] laz report crash IDE on startup with builded Option -dDisableWrapperFunctions
Hello, svn fpc r31772 & lazarus r49851 osx 10.10.4 qtx64 I builded IDE -dDisableWrapperFunctions param, when start IDE, IDE crashed. I get This lines from terminal. /opt/lazarus/components/lazreport/source/lr_desgn.pas line 8146 [FORMS.PP] ExceptionOccurred Sender=EResNotFound Exception=Resource "lrd_ins_fields" not found Stack trace: $0001000BF3B1 $0001000BF5E1 $00010101CD81 $00010101D026 TApplication.HandleException Resource "lrd_ins_fields" not found Stack trace: $0001000BF3B1 $0001000BF5E1 $00010101CD81 $00010101D026 Exception at 0001000BF3B1: EResNotFound: Resource "lrd_ins_fields" not found. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] Option -dDisableWrapperFunctions need "LazFileUtils" in two files
Hello, when try use Option -dDisableWrapperFunctions, this two files need add "LazFileUtils" to uses section. /lazarus/components/chmhelp/packages/help/lhelpcontrol.pasline 226 /lazarus/components/macfiles/macapplicationres.pasline 179 -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Difference between Lazarus 1.4.2 and 1.5 of i18n
Am 20.09.2015 um 14:22 schrieb Bart: On 9/20/15, Michael W. Vogel wrote: In Lazarus 1.4.2, ifIactivateintheproject optionsi18n,thecaptionsofthecontrolsare inserted intothe.po. Problems with space bar ;-) ? Bart -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus ;) ;) ...no, I've copied a bing translated text, the rest was tipped (my english isn't the best) -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Difference between Lazarus 1.4.2 and 1.5 of i18n
On 9/20/15, Michael W. Vogel wrote: > In Lazarus 1.4.2, ifIactivateintheproject > optionsi18n,thecaptionsofthecontrolsare inserted intothe.po. Problems with space bar ;-) ? Bart -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
leledumbo wrote: For newer lazaruses, .lrs is no longer used, since Lazarus uses the .lfm files directly for new projects. and even in older lazarus, only .lfm is used for streaming. you can regenerate .lrs simply by either compiling it with lazres or make a trivial change in the form designer. Would lazres be automatically invoked by lazarus or lazbuild is the .lsr was missing? The trouble with making a change to the .lfm is that some very old versions of Lazarus (approx 0.9.24) can add properties that give newer ones problems, and you obviously have to be careful about getting that sort of thing into a repository. I can't give an example off the top of my head, but I'm not just talking about TNotebook which was obviously a significant glitch. -- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
Michael Van Canneyt wrote:
On Sun, 20 Sep 2015, Mark Morgan Lloyd wrote:
Michael Van Canneyt wrote:
On Sun, 20 Sep 2015, Mark Morgan Lloyd wrote:
Looking at some projects filed away here, I find I've been
inconsistent so would appreciate it if somebody could say
authoritatively: what types of file should be put in a repository,
and what is regenerated reliably?
Obviously .lpi, .lpr, .lfm and .pas or .pp should be saved, and any
static .inc files.
I presume that anything machine-generated and usually put into the
lib directory shouldn't be stored even if it ends up elsewhere:
.ppu, .o, .a, .res, .or.
What about things like .lrs and .rst?
.rst is also regenerated, no need to store them.
Thanks Michael, it was your comment about ResourceStrings that
reminded me to ask this.
What about .lrs, since it looks as though it's generated from .lfm?
It depends.
For newer lazaruses, .lrs is no longer used, since Lazarus uses the .lfm
files directly for new projects.
If you have {$i something.lrs} in your sources, you'd probably better
still store the .lrs in svn.
I got rid of the .lrs files a long time ago. Just a matter of replacing
{$i something.lrs}
with
{$r something.lfm}
Michael.
Thanks very much, I think I did as well but I'll check. I've got one or
two things that I'm trying to keep running for sufficiently-old versions
of the compiler and IDE that they can generate a GTK1- or NT-compatible
binary, which means carefully avoiding things like frames in the user
interface.
The rationale here is not so much for local use, but because they're of
potential use to a small number of niche hackers and at all costs I want
to avoid giving them cause to grumble because a particular OS or
compiler version is required. I'm talking about the likes of mainframe
programmers here, many of whom have had sufficient time to elevate
curmudgeonliness to an artform :-)
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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[Lazarus] Difference between Lazarus 1.4.2 and 1.5 of i18n
Hi, In Lazarus 1.4.2, ifIactivateintheproject optionsi18n,thecaptionsofthecontrolsare inserted intothe.po. If I do the same in Lazarus 1.5, only resourcestrings, not the captions are inserted. I checked the project.lpi and see following lines: If I remove LFM="False" then also the control captions are saved in the .po. So I think there is a new project option to activate / deactivate the saving of the captions into the .po, but I din't find such a option. Can you tell me, where to find this project option in Lazarus 1.5? If there isn't such a option, can you tell me, why LFM="False" is inserted in the project.lpi? I also asked in the German Lazarusforum with no answer till now: http://www.lazarusforum.de/viewtopic.php?f=19&t=9041 Thank you Michael -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
> For newer lazaruses, .lrs is no longer used, since Lazarus uses the .lfm files directly for new projects. and even in older lazarus, only .lfm is used for streaming. you can regenerate .lrs simply by either compiling it with lazres or make a trivial change in the form designer. -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-Storing-projects-in-subversion-or-git-etc-tp4044037p4044043.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
On Sun, 20 Sep 2015, Mark Morgan Lloyd wrote:
Michael Van Canneyt wrote:
On Sun, 20 Sep 2015, Mark Morgan Lloyd wrote:
Looking at some projects filed away here, I find I've been inconsistent so
would appreciate it if somebody could say authoritatively: what types of
file should be put in a repository, and what is regenerated reliably?
Obviously .lpi, .lpr, .lfm and .pas or .pp should be saved, and any static
.inc files.
I presume that anything machine-generated and usually put into the lib
directory shouldn't be stored even if it ends up elsewhere: .ppu, .o, .a,
.res, .or.
What about things like .lrs and .rst?
.rst is also regenerated, no need to store them.
Thanks Michael, it was your comment about ResourceStrings that reminded me to
ask this.
What about .lrs, since it looks as though it's generated from .lfm?
It depends.
For newer lazaruses, .lrs is no longer used, since Lazarus uses the .lfm files
directly for new projects.
If you have {$i something.lrs} in your sources, you'd probably better still
store the .lrs in svn.
I got rid of the .lrs files a long time ago. Just a matter of replacing
{$i something.lrs}
with
{$r something.lfm}
Michael.
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Re: [Lazarus] Storing projects in subversion (or git etc.)
Michael Van Canneyt wrote: On Sun, 20 Sep 2015, Mark Morgan Lloyd wrote: Looking at some projects filed away here, I find I've been inconsistent so would appreciate it if somebody could say authoritatively: what types of file should be put in a repository, and what is regenerated reliably? Obviously .lpi, .lpr, .lfm and .pas or .pp should be saved, and any static .inc files. I presume that anything machine-generated and usually put into the lib directory shouldn't be stored even if it ends up elsewhere: .ppu, .o, .a, .res, .or. What about things like .lrs and .rst? .rst is also regenerated, no need to store them. Thanks Michael, it was your comment about ResourceStrings that reminded me to ask this. What about .lrs, since it looks as though it's generated from .lfm? It's actually .lrs that I find I'm storing inconsistently :-) svn ls http://svn.freepascal.org/svn/lazarus/trunk/ide | cut -d . -f 2 |sort |uniqreturns dci fpc ico inc lfm lpi lpr pas pp rc res xml i.e. specifically includes .rc and .res but not .lrs. -- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
Graeme Geldenhuys wrote: On 2015-09-20 09:49, Mark Morgan Lloyd wrote: What about things like .lrs and .rst? I have the following in my .gitignore file. *.[oa] *.ppu *.dcu *.lps *.compiled *.bak* *.rst *.lrs There is a Github project which collects all such .gitignore settings for every language you can think of. Very useful. https://github.com/github/gitignore Although I'd point out that this is an implementation issue rather than a language one, since ISTM feasible for Lazarus to support a language other than pascal with the same form etc. structure. -- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
On 2015-09-20 09:49, Mark Morgan Lloyd wrote: > What about things like .lrs and .rst? I have the following in my .gitignore file. *.[oa] *.ppu *.dcu *.lps *.compiled *.bak* *.rst *.lrs There is a Github project which collects all such .gitignore settings for every language you can think of. Very useful. https://github.com/github/gitignore Regards, - Graeme - -- fpGUI Toolkit - a cross-platform GUI toolkit using Free Pascal http://fpgui.sourceforge.net/ -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Storing projects in subversion (or git etc.)
On Sun, 20 Sep 2015, Mark Morgan Lloyd wrote: Looking at some projects filed away here, I find I've been inconsistent so would appreciate it if somebody could say authoritatively: what types of file should be put in a repository, and what is regenerated reliably? Obviously .lpi, .lpr, .lfm and .pas or .pp should be saved, and any static .inc files. I presume that anything machine-generated and usually put into the lib directory shouldn't be stored even if it ends up elsewhere: .ppu, .o, .a, .res, .or. What about things like .lrs and .rst? .rst is also regenerated, no need to store them. Michael. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
[Lazarus] Storing projects in subversion (or git etc.)
Looking at some projects filed away here, I find I've been inconsistent so would appreciate it if somebody could say authoritatively: what types of file should be put in a repository, and what is regenerated reliably? Obviously .lpi, .lpr, .lfm and .pas or .pp should be saved, and any static .inc files. I presume that anything machine-generated and usually put into the lib directory shouldn't be stored even if it ends up elsewhere: .ppu, .o, .a, .res, .or. What about things like .lrs and .rst? -- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Equivalent of a Windows DLL on RPi?
Bo Berglund wrote:
I am investigating programming for the Raspberry Pi as described in my
other thread. Could someone please outline if there is a concept like
a Windows DLL also in Raspbian for the Pi?
I have a DLL written in Delphi7 (or 2007), which implements a whole
bunch of basic functions and I am wondering if a similar file as a DLL
is used in Linux. If so could I port the existing DLL from Windows to
freepascal and then to Linux on the Pi?
I got some advice on the porting process in my other thread but in
this case it involves the creation of a DLL equivalent so that the
main programming could be done in for example Python while using the
functions from the DLL code?
It's a .so file. I think Lazarus has the same restrictions for both
Windows and unix: by default, there's a separate heap in the main
executable and in each separately-linked .so library which means that
you can't pass anything dynamically-allocated (strings, objects etc.) as
parameters or (in particular) return them as results. The way round this
is to use this at the start of each .lpr:
uses
cmem, { HeapTrc, } Classes, interfaces
{ you can add units after this }
Then in the library .lpr you have an exports list for entry points.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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Re: [Lazarus] Equivalent of a Windows DLL on RPi?
> Could someone please outline if there is a concept like a Windows DLL also in Raspbian for the Pi? Get yourself a bunch of basic Linux (or *nix in general) concept and implementation first. Don't jump in to the world you don't know about. > If so could I port the existing DLL from Windows to freepascal and then to > Linux on the Pi? Depends on a lot of factor. http://wiki.lazarus.freepascal.org/Multiplatform_Programming_Guide applies. > I got some advice on the porting process in my other thread but in this case it involves the creation of a DLL equivalent so that the main programming could be done in for example Python while using the functions from the DLL code? As long as you know how Python convention for dynamic libraries, this can of course be done. -- View this message in context: http://free-pascal-lazarus.989080.n3.nabble.com/Lazarus-Equivalent-of-a-Windows-DLL-on-RPi-tp4044033p4044035.html Sent from the Free Pascal - Lazarus mailing list archive at Nabble.com. -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
Re: [Lazarus] Equivalent of a Windows DLL on RPi?
Am 20.09.2015 07:03 schrieb "Bo Berglund" : > > I am investigating programming for the Raspberry Pi as described in my > other thread. Could someone please outline if there is a concept like > a Windows DLL also in Raspbian for the Pi? > > I have a DLL written in Delphi7 (or 2007), which implements a whole > bunch of basic functions and I am wondering if a similar file as a DLL > is used in Linux. If so could I port the existing DLL from Windows to > freepascal and then to Linux on the Pi? > > I got some advice on the porting process in my other thread but in > this case it involves the creation of a DLL equivalent so that the > main programming could be done in for example Python while using the > functions from the DLL code? As the RPi uses a Linux (at least in normal cases) it also supports shared libraries. They are written in FPC the same way as they are in Delphi (by having a "library xyz" main file with an "exports" clause). This will result in a ".so" file that you can load in FPC using the DynLibs unit with LoadModule() and GetProcAddress() and in C-based languages using dlopen()/dlsym() (don't know what Python uses, but I bet it's the same across platforms ;) ). Things to keep in mind though: - declare exported functions as "cdecl" - WideString is - unlike on Windows - not cross-library-safe - and of course the usual points regarding strings, objects, etc. apply Regards, Sven -- ___ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
