Re: Could not find a boost installation in /usr/local/include/boost-1_38/boost

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Re: Could not find a boost installation in /usr/local/include/boost-1_38/boost

Norman,

I think you have to add -DBOOST_COMPILER=xgcc40
I modified the wiki to reflect that. Can you confirm this works?
If it would still not work, look in cmake/WtFindBoost.txt, where you
can see how Wt tries to find boost.

Regards,
Wim.

2009/4/1 norman <norman.khine@...>:
> Hi,
> Following the
> http://www.webtoolkit.eu/wt/wiki/index.php/Installing_Wt_on_Mac_OS_X_Leopard
>
> I got the following error:
> --
<snip>

------------------------------------------------------------------------------

javascript in code

Hi,
I am trying to implement stateless slot for validate and change phone number in keyPressed() event. 
But have next questions(problems):
1. After first load session and click on key in LineEdit,   browser  freeze in state "Loading" - I need push
browsers reload button to fix it;
2. How can I implement java script in external file and load it by require()?(visibility of external
scripts and variables in JSlot and Wt javascript namespace).
3. Why call "WT_CLASS ".cancelEvent(event);" continue push  event to server? And how  can I implement
stateless script, which can emit to server only when need. Now when I click keys quickly, browser
freeze(lost server  answer?).
 Where am I wrong?

Best regards,
Alex

class ZWPhoneEdit : public Wt::WLineEdit
{
public:
	ZWPhoneEdit(Wt::WContainerWidget *parent = 0){
  	std::string javascr = 
		"function(sender, event) {"
			"var keyChar = String.fromCharCode(event.which);"
			"if (keyChar == '0' || keyChar == '1' || keyChar == '2' || keyChar == '3'  || keyChar == '4' || keyChar == '5'
|| keyChar == '6' || keyChar == '7' || keyChar == '8'  || keyChar == '9'){"				
				"if(sender.value.length == '0'){"					
					"if(keyChar != '0'){"
						" sender.value += '(048)';"
					"}"
					"else{"
						" sender.value += '(';"	
					"}"
				"}"
				"else if(sender.value.length == 4){"
					"sender.value += ')';"
				"}"
				"else if(sender.value.length == 8 || sender.value.length == 11){"
					"sender.value += '-';"
				"}"
				"else if(sender.value.length >= 14){"
					WT_CLASS ".cancelEvent(event);"
				"}"
			"}"
			"else " WT_CLASS ".cancelEvent(event);"
		"}"
	;
	java.setJavaScript(javascr);
	implementStateless(&ZWPhoneEdit::OnKeyPressedJava);
	keyPressed().connect(SLOT(this,ZWPhoneEdit::OnKeyPressedJava));
      }
public slots:
	void OnKeyPressedJava(){java.exec();}
private:
	Wt::JSlot java;
};

------------------------------------------------------------------------------

Re: Question about internal paths..

2009/3/31 Mykola Konyk <forums@...>:
> Hello!
> I am a new Wt user and so far I am very impressed!
> However, I have these two questions:
> 1. Question about internal path changes: for example if user enters in the
> browser http://127.0.0.1:8080/#aa, I can detect the change in path by
> doing internalPathChanged().connect(SLOT(... , however if user
> enters http://127.0.0.1:8080/aa I get 404 and the connected event is never
> fired. Is it possible?

Yes, but not if you deploy on the root. Use the '--deploy-path=/myapp'
startup option. The reason that applications deployed on the root
cannot use this mechanism, is that Wt cannot detect if this is a
regular file access, or an internal path change. Your URLs will then
look like this:
http://127.0.0.1:8080/myapp#/aa
http://127.0.0.1:8080/myapp/aa

> 2. Another question, is it possible to do a custom 404 page with built-in
> whttpd?

Yes, but I'm not sure if/where it is documented. See StockReply.C, in
combination with the --errroot startup option. Note that some html
comments are special tokens that are replaced by relevant text.

Regards,
Wim.

------------------------------------------------------------------------------

Re: Could not find a boost installation in /usr/local/include/boost-1_38/boost

I've had the best luck on configuring the mac (I'm 10.5) is to cd into build
and doing ccmake . and set the boost variables BOOST_VERSION= 1_38
, BOOST_INCLUDE_DIR = /usr/local/include/boost-1_38
BOOST_COMPILER=xgcc41   (i'm using the g++-4.12 compiler)
then typing c to configure the CMakeCache.txt, e to exit, you should 
see all the boost libraries
in the list then exit the ccmake and do a cmake ../. You should be ready to go.
chuckles

>Hi,
>Following the 
>http://www.webtoolkit.eu/wt/wiki/index.php/Installing_Wt_on_Mac_OS_X_Leopard
>
>I got the following error:
>--
>$ cmake -DBOOST_DIR=$HOME/Installed -DBOOST_VERSION=1_38 ../
>-- The C compiler identification is GNU
>-- The CXX compiler identification is GNU
>-- Check for working C compiler: /usr/bin/gcc
>-- Check for working C compiler: /usr/bin/gcc -- works
>-- Detecting C compiler ABI info
>-- Detecting C compiler ABI info - done
>-- Check for working CXX compiler: /usr/bin/c++
>-- Check for working CXX compiler: /usr/bin/c++ -- works
>-- Detecting CXX compiler ABI info
>-- Detecting CXX compiler ABI info - done
>** Using supplied mxml library.
>-- Looking for include files CMAKE_HAVE_PTHREAD_H
>-- Looking for include files CMAKE_HAVE_PTHREAD_H - found
>-- Looking for pthread_create in pthreads
>-- Looking for pthread_create in pthreads - not found
>-- Looking for pthread_create in pthread
>-- Looking for pthread_create in pthread - found
>-- Found Threads: TRUE
>** Error finding Wt required library:
>** Could not find a boost installation in /Users/khinester/Installed.
>** It may be necessary to set appropriate values for the
>    variables BOOST_DIR, BOOST_COMPILER, and BOOST_VERSION
>CMake Error at src/CMakeLists.txt:10 (MESSAGE):
>   ** Wt requires the following C++ boost libraries: boost_date_time,
>   boost_regex, and boost_program_options, boost_signals, and optionally
>   boost_thread
>

------------------------------------------------------------------------------

How to do the suff like shortcut keys?

Hi all,

    I would like to enable  my  web app to  be able to    do crazy stuff 
when I press    Ctrl+Shift+Alt+F1+X  (  to  fully enable users with  30 
fingers :)   )

    Can I do that with  witty ?   If not,  you'll have something nice to 
place in TODO list .

Cheers!
Dushan

------------------------------------------------------------------------------

Re: Could not find a boost installation in /usr/local/include/boost-1_38/boost

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Re: Could not find a boost installation in /usr/local/include/boost-1_38/boost

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Re: Could not find a boost installation in /usr/local/include/boost-1_38/boost

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Re: Could not find a boost installation in /usr/local/include/boost-1_38/boost

Norman,

Wt does not support compiling against a boost source directory, like
you demonstrate with your gcc command. You must install boost
somewhere, by running bjam <--whateveropts> install.

Your -DBOOST_DIR=/usr/local/include/boost-1_38 suggests that you
installed boost in /usr/local, in which case your BOOST_DIR should
read -DBOOST_DIR=/usr/local
In that case, the header files should be located in
/usr/local/include/boost-1_38 (in a subdirectory named 'boost')
In /usr/local/lib, there should be files like libboost_regex-xgcc40-mt-1_38.a
The xgcc40 part of that file name must be equal to BOOST_COMPILER. If
it is different on your system, you may very well have to change
BOOST_COMPILER to something else.
BOOST_VERSION (1_38 in your case) is used both to construct the
include path and as part of the library name.

>From the cmake file: Wt searches boost headers in
    ${BOOST_DIR}/include
    ${BOOST_DIR}/include/${BOOST_VERSION}
    ${BOOST_DIR}/include/boost-${BOOST_VERSION}  <-- Default on MacOS
    ${BOOST_DIR}
Wt searches boost libraries in
    ${BOOST_DIR}/lib
And the naming schemes for the libraries are
      boost_regex-${BOOST_COMPILER}-mt-${BOOST_VERSION} <-- Default on MacOS
      boost_regex-${BOOST_COMPILER}-mt
      boost_regex-mt
(cmake adds file extensions and prefixes to these names, e.g. foobar
-> libfoobar.a)

The items indicated by 'default on MacOS' are the ones that will be
used when you do not specify special parameters during the boost
compilation process that will change installation location and naming
signatures of the library files.

Also, to be sure, erase your entire build directory whenever you are
changing the BOOST_* parameters. Cmake is very bad in forgetting
variables once they have been set.

Hope this helps,
Wim.

2009/4/2 norman <norman.khine@...>:
> hi,
> i tried as suggested, but get the same error:
>
> $ cmake -DBOOST_COMPILER=xgcc40 -DBOOST_DIR=/usr/local/include/boost-1_38
> -DBOOST_VERSION=1_38 ../
<snip>

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