BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  PreCompiled Header Goto page 1, 2  Next          BorlandTalk.com Forum Index -> C++ Builder (VCL Components Usage) View previous topic :: View next topic   Author Message Hamid Guest Posted: Sun Feb 26, 2006 4:03 pm    Post subject: PreCompiled Header I forced that BCB 2006 generate and use precompiled header using a unique main header for all the application. But seemingly it dowsn't work properly, because BCB compiler is always counting a huge number codes for each unit. Why? I didn't have the same problem with BCB6.0. Is it a bug? Back to top Dennis Jones Guest Posted: Sun Feb 26, 2006 6:03 pm    Post subject: Re: PreCompiled Header "Hamid" <hrz_mir (AT) Yahoo (DOT) com> wrote in message news:4401c33b$1 (AT) newsgroups (DOT) borland.com... Quote: I forced that BCB 2006 generate and use precompiled header using a unique main header for all the application. But seemingly it dowsn't work properly, because BCB compiler is always counting a huge number codes for each unit. Why? I didn't have the same problem with BCB6.0. Is it a bug? Remember that if a header file contains initialized data, like math.h (or DateUtils.h, which includes math.h), it cannot be pre-compiled. Therefore, you have to be selective about which header files are included in the pre-compiled header. Do you get any warnings about not being able to create the pre-compiled header? Are you using the #pragma hdrstop directive? Did you give your pre-compiled header file a unique name? - Dennis Back to top Hamid Guest Posted: Mon Feb 27, 2006 8:03 am    Post subject: Re: PreCompiled Header I don't have any of headers that prevents BCB compiler from making precompiled headers. In my main header I have included: #include <vcl.h> #include <Classes.hpp> #include <Controls.hpp> #include <StdCtrls.hpp> #include <Forms.hpp> Moreover, BCB compiler doesn't give me any warning regarding this issue and still counts huge number of lines. Since my project includes many utints, it takes long that compiler compile it. I wonder why? you can test it yourself.... Thanx, Hamid Back to top Dennis Jones Guest Posted: Mon Feb 27, 2006 5:03 pm    Post subject: Re: PreCompiled Header "Hamid" <hrz_mir (AT) Yahoo (DOT) com> wrote in message news:4402a393$1 (AT) newsgroups (DOT) borland.com... Quote: I don't have any of headers that prevents BCB compiler from making precompiled headers. In my main header I have included: #include <vcl.h #include <Classes.hpp #include <Controls.hpp #include <StdCtrls.hpp #include <Forms.hpp Okay, what do your source files look like that include the precompiled header? Quote: Moreover, BCB compiler doesn't give me any warning regarding this issue and still counts huge number of lines. Since my project includes many utints, it takes long that compiler compile it. I wonder why? you can test it yourself.... I don't need to test it...I use pre-compiled headers too, and they work just fine. Here's what I do: First, I do not include vcl.h in my precompiled header file. Then in all of my application source files, I include vcl.h and my precompiled header file like this: #include <vcl.h> #include "MyPCH.h" #pragma hdrstop Another thing you should check is that you are including your pre-compiled headers at the top of your source files *first* -- before any other header files are included. In other words, do this: #include "MyPCH.h" #pragma hdrstop #include "Unit1.h" ....*not* this: #include "Unit1.h" #include "MyPCH.h" #pragma hdrstop If you get this wrong, you will see the kind of behavior you are talking about. - Dennis Back to top hamid Guest Posted: Sun Mar 05, 2006 12:03 pm    Post subject: Re: PreCompiled Header I have a unit which plays the role of a main header for me. In its cpp file I have lines below: #include "MainUnit.h" #pragma hdrstop //-------------------------------------------------------------#pragma package(smart_init) //------------------------------------------------------------- and in its header I write: #ifndef MainUnitH #define MainUnitH //-------------------------------------------------------------#include <vcl.h> #include "mainFormUnit.h" #endif //------------------------------------------------------------- All of my units (mainFormUnit.h for instance) includes this main header as: #include "ServerMainUnit.h" #pragma hdrstop //-------------------------------------------------------------#pragma package(smart_init) #pragma resource "*.dfm" TmainForm *mainForm; //-------------------------------------------------------------__fastcall TmainForm::TmainForm(TComponent* Owner) : TForm(Owner) { } //------------------------------------------------------------- Clearly the header of my mainForm includes some other header files such as: #include <Classes.hpp> #include <Controls.hpp> #include <StdCtrls.hpp> Now my question is why the pre-compiled header is not made? When you make the similar simple project in BCB6.0, it works well. That is to say BCB compiler counts exactly the number of lines which I write in a cpp file (mainFormUnit.cpp for example) not the huge amount of lines each time. Back to top hamid Guest Posted: Sun Mar 05, 2006 12:03 pm    Post subject: Re: PreCompiled Header I meant MainUnit by ServerMainUnit. i.e they are as the same... It was my typing mistake in asking my question... Back to top Dennis Jones Guest Posted: Sun Mar 05, 2006 6:03 pm    Post subject: Re: PreCompiled Header "hamid" <hrz_mir (AT) yahoo (DOT) com> wrote in message news:440ac2dd$1 (AT) newsgroups (DOT) borland.com... Quote: I have a unit which plays the role of a main header for me. In its cpp file I have lines below: This is unnecessary. However, it isn't the cause of your problem. Quote: All of my units (mainFormUnit.h for instance) includes this main header as: #include "ServerMainUnit.h" #pragma hdrstop //-------------------------------------------------------------#pragma package(smart_init) #pragma resource "*.dfm" TmainForm *mainForm; //-------------------------------------------------------------__fastcall TmainForm::TmainForm(TComponent* Owner) : TForm(Owner) { } //------------------------------------------------------------- Clearly the header of my mainForm includes some other header files such as: #include <Classes.hpp #include <Controls.hpp #include <StdCtrls.hpp Clearly? I don't see them anywhere! Where are they? Quote: Now my question is why the pre-compiled header is not made? When you make the similar simple project in BCB6.0, it works well. That is to say BCB compiler counts exactly the number of lines which I write in a cpp file (mainFormUnit.cpp for example) not the huge amount of lines each time. As shown, your code should probably work. However, it is clear that you are *not* showing your actual code. You say that the header of mainForm includes other headers, but you don't show that header nor do you show where that header is #include'd. Please show all relevant portions of your code; otherwise it is very difficult for anyone to offer help. - Dennis Back to top hamid Guest Posted: Mon Mar 06, 2006 9:03 am    Post subject: Re: PreCompiled Header Thanx for your reply. That would be great if you let me know an email address to send a short sample. Back to top Dennis Jones Guest Posted: Mon Mar 06, 2006 6:03 pm    Post subject: Re: PreCompiled Header "hamid" <hrz_mir (AT) yahoo (DOT) com> wrote in message news:440bf099$1 (AT) newsgroups (DOT) borland.com... Quote: Thanx for your reply. That would be great if you let me know an email address to send a short sample. It would be much better to post the relevant portions of your code here so that everyone has a chance to offer help and all readers can benefit from the discussion. - Dennis Back to top hamid Guest Posted: Tue Mar 07, 2006 12:03 pm    Post subject: Re: PreCompiled Header Ok! Simply create a VCL Form Application in both BCB6.0 and BCB2006. Then put the line of #include "Unit1.h" above #pragma hdrstop. You will see different actions from two compilers. BCB6.0 counts only 17 lines (the codes in CPP) after it creats the pre-compiled header, while BCB2006 is always counting huge amount of lines (almost 230,000 lines) in each compile. This issue frustrated me badly. Because it takes long time for me to compile my project. Why? Back to top Dennis Jones Guest Posted: Tue Mar 07, 2006 5:03 pm    Post subject: Re: PreCompiled Header "hamid" <hrz_mir (AT) yahoo (DOT) com> wrote in message news:440d6e71$1 (AT) newsgroups (DOT) borland.com... Quote: Ok! Simply create a VCL Form Application in both BCB6.0 and BCB2006. Then put the line of #include "Unit1.h" above #pragma hdrstop. You will see different actions from two compilers. BCB6.0 counts only 17 lines (the codes in CPP) after it creats the pre-compiled header, while BCB2006 is always counting huge amount of lines (almost 230,000 lines) in each compile. This issue frustrated me badly. Because it takes long time for me to compile my project. Why? Perfect. Now someone with BDS2006 (which I don't) should be able to confirm it. Alternatively, submit a QC report. - Dennis Back to top Hamid Guest Posted: Wed Mar 08, 2006 8:03 am    Post subject: Re: PreCompiled Header thanx. excuse me! but how can I report a QC report? Back to top Pete Fraser Guest Posted: Wed Mar 08, 2006 10:03 am    Post subject: Re: PreCompiled Header go to qc.borland.com or download jedqc which might be a nicer client. HTH Pete "Hamid" <hrz_mir (AT) Yahoo (DOT) com> wrote in message news:440e803b$1 (AT) newsgroups (DOT) borland.com... Quote: thanx. excuse me! but how can I report a QC report? Back to top AJA Guest Posted: Wed Mar 08, 2006 11:03 am    Post subject: Re: PreCompiled Header Or just in BDS2006 IDE choose Tools->QualityCentral "Hamid" <hrz_mir (AT) Yahoo (DOT) com> pí¹e v diskusním pøíspìvku news:440e803b$1 (AT) newsgroups (DOT) borland.com... Quote: thanx. excuse me! but how can I report a QC report? Back to top hamid Guest Posted: Sun Mar 12, 2006 7:03 am    Post subject: Re: PreCompiled Header I remember that once you mentioned that pre-compiled headers of BDS2006 are working well in your IDE. Would you please let me know how you set up your settings? Or how are you including your header files? 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