[bug #4492] cpp under OSX breacks .cplists by inserting #pragma at the start

[nobody]

=================== BUG #4492: FULL BUG SNAPSHOT ===================
http://savannah.gnu.org/bugs/?func=detailbug&bug_id=4492&group_id=99

Submitted by: minusbat                Project: GNUstep                      
Submitted on: Sat 07/26/2003 at 16:03
Category:  Makefiles                  Severity:  5 - Major                  
Bug Group:  None                      Resolution:  None                     
Assigned to:  None                    Status:  Open                         

Summary:  cpp under OSX breacks .cplists by inserting #pragma at the start

Original Submission:  Processing of .cplist into .plist files on OSX is done 
using a line thus:

gcc -E -P -x c -traditional -DAPPLE xxx.cplist -o xxx.plist

The lateest version of cpp on OSX (gnu 3.3 based) inserts a #pragma
at the start of the resulting file. This looks liek:

#pragma GCC set_debug_pwd "/Users/pete/testapp"

The breaks the assumption made in the makefiles that the .plist file
will start with a single line '{' - which is then deleted using the 'sed 1d'
command. Thus the resulting .plist file in the application is invalid.

I cannt find an option to disable the insertion of the #pragma (nor any
reference as to why it is being inserted), so disabling the generation is
not that straightforward. It is, however, an easy matter to add a second
line of sed which will delete all #pragma lines from the output, and this
works as a solution. This can be accomplished by changing the cplist
rule in rules.make to:

%.plist : %.cplist
        $(ECHO_PREPROCESSING)$(CPP) 
                  $(filter-out $($<_FILE_FILTER_OUT_FLAGS),$(ALL_CPLISTFLAGS))
                  $($<_FILE_FLAGS) $< | sed '/^#pragma/d' > $@$(END_ECHO)





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http://savannah.gnu.org/bugs/?func=detailbug&bug_id=4492&group_id=99

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