[Glass] CHeader and CPreprocessor paths as arguments

[Smalltalk at JGFoster.net]

Another idea is to generate the wrapper in 3.5.x and then back-port it to 3.3.x.

> On Jun 24, 2020, at 9:58 AM, Dale Henrichs via Glass <glass at lists.gemtalksystems.com> wrote:
> 
> Bruno,
> 
> Here's our advice:
> 
> I would think that  editing  CPreprocessor>>defaultSearchPaths  would be a good workaround
> 
> Keep in mind that 3.5  is using the native  preprocessor   /usr/bin/cpp
> for all of the macro expansion and then reading the output of  cpp  
> with our CPreprocessor code.   3.3 is trying to do all of the macro
> expansion in  CPreprocessor  and that has quite a few bugs that may
> be triggered by system header files in newer versions of Linux than what 3.3 
> was originally tested with.
> If you encounter such bugs with 3.3, you might need to run 
> /usr/bin/cpp on the header files of interest and then feed the resulting
> output to CPreprocessor .
> Dale
> 
> On 6/24/20 5:09 AM, bruno buzzi brassesco via Glass wrote:
>> Hi, 
>> 
>> In GS 3.5 it is possible to pass paths as arguments: 
>> CHeader>>path:searchPaths: 
>> 
>> In GS 3.3.x that method is not present but it will have the same effect if we add our paths to: 
>> CPreprocessor>>defaultSearchPaths 
>> Can this be a workaround for the error below ? 
>> 
>> Trying to generate a wrapper with: 
>> UserGlobals at: #'LibSsh094' put: (CHeader path: '/customized/path/libssh.h'). 
>> 
>> Answer the error: 
>> Unhandled exception: GS Server Error - GbsGemStoneError - a UserDefinedError occurred (error 2740), Include file sys/cdefs.h not found! 
>> [1]  GS: UserDefinedError (AbstractException) >> _signalWith: @6 line 25 
>> [2]  GS: UserDefinedError (AbstractException) >> signal: @3 line 7 
>> [3]  GS: UserDefinedError class (AbstractException class) >> signal: @3 line 4 
>> [4]  GS: CPreprocessor >> include:afterMe: @55 line 39 
>> [5]  GS: CPreprocessor >> applyDirectiveToken: @27 line 10 
>> [6]  GS: CPreprocessor >> applyToken: @4 line 3 
>> [7]  GS: CPreprocessor >> doIf: @11 line 12 
>> [8]  GS: CPreprocessor >> ifdef:defined: @22 line 8 
>> [9]  GS: CPreprocessor >> applyDirectiveToken: @19 line 8 
>> [10] GS: CPreprocessor >> applyToken: @4 line 3 
>> [11] GS: CPreprocessor >> doIf: @11 line 12 
>> [12] GS: CPreprocessor >> ifdef:defined: @22 line 8 
>> [13] GS: CPreprocessor >> applyDirectiveToken: @19 line 8 
>> [14] GS: CPreprocessor >> applyToken: @4 line 3 
>> [15] GS: CPreprocessor >> doIf: @11 line 12 
>> [16] GS: CPreprocessor >> ifdef:defined: @22 line 8 
>> [17] GS: CPreprocessor >> applyDirectiveToken: @19 line 8 
>> [18] GS: CPreprocessor >> applyToken: @4 line 3 
>> [19] GS: CPreprocessor >> readTillEnd @6 line 7 
>> [20] GS: [] in  ExecBlock0 (CPreprocessor) >> includePath: @20 line 12 
>> [21] GS: ExecBlock0 (ExecBlock) >> ensure: @2 line 12 
>> [22] GS: CPreprocessor >> includePath: @16 line 13 
>> [23] GS: [] in  ExecBlock1 (CPreprocessor) >> include:afterMe: @68 line 34 
>> [24] GS: OrderedCollection (Collection) >> do: @6 line 10 
>> [25] GS: CPreprocessor >> include:afterMe: @41 line 26 
>> [26] GS: CPreprocessor >> applyDirectiveToken: @27 line 10 
>> [27] GS: CPreprocessor >> applyToken: @4 line 3 
>> [28] GS: CPreprocessor >> doIf: @11 line 12 
>> [29] GS: CPreprocessor >> ifdef:defined: @22 line 8 
>> [30] GS: CPreprocessor >> applyDirectiveToken: @19 line 8 
>> [31] GS: CPreprocessor >> applyToken: @4 line 3 
>> [32] GS: CPreprocessor >> readTillEnd @6 line 7 
>> [33] GS: [] in  ExecBlock0 (CPreprocessor) >> includePath: @20 line 12 
>> [34] GS: ExecBlock0 (ExecBlock) >> ensure: @2 line 12 
>> [35] GS: CPreprocessor >> includePath: @16 line 13 
>> [36] GS: [] in  ExecBlock1 (CPreprocessor) >> include:afterMe: @68 line 34 
>> [37] GS: OrderedCollection (Collection) >> do: @6 line 10 
>> [38] GS: CPreprocessor >> include:afterMe: @41 line 26 
>> [39] GS: CPreprocessor >> applyDirectiveToken: @27 line 10 
>> [40] GS: CPreprocessor >> applyToken: @4 line 3 
>> [41] GS: CPreprocessor >> doIf: @11 line 12 
>> [42] GS: CPreprocessor >> ifdef:defined: @22 line 8 
>> [43] GS: CPreprocessor >> applyDirectiveToken: @15 line 7 
>> [44] GS: CPreprocessor >> applyToken: @4 line 3 
>> [45] GS: CPreprocessor >> doIf: @11 line 12 
>> [46] GS: CPreprocessor >> ifdef:defined: @22 line 8 
>> [47] GS: CPreprocessor >> applyDirectiveToken: @19 line 8 
>> [48] GS: CPreprocessor >> applyToken: @4 line 3 
>> [49] GS: CPreprocessor >> readTillEnd @6 line 7 
>> [50] GS: [] in  ExecBlock0 (CPreprocessor) >> includePath: @20 line 12 
>> [51] GS: ExecBlock0 (ExecBlock) >> ensure: @2 line 12 
>> [52] GS: CPreprocessor >> includePath: @16 line 13 
>> [53] GS: CPreprocessor class >> parseFileAt: @3 line 4 
>> [54] GS: CHeader class >> path: @2 line 3 
>> 
>> 
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