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			20 lines
		
	
	
	
		
			929 B
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			929 B
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
| #!/bin/sh
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| 
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| script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
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| cd "$script_path/.." || exit 1
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| 
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| # The __cxa_guard_* calls are generated for (non trivial) initialization of local static objects.
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| # These symbols are OK to use within serenity code, but they are problematic in LibC because their
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| # existence breaks ports (the implementation of these symbols resides in libstdc++.a which we do not link against in ports).
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| # To eliminate the need for these symbols, avoid doing non-trivial construction of local statics in LibC.
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| 
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| FORBIDDEN_SYMBOLS="__cxa_guard_acquire __cxa_guard_release"
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| LIBC_PATH="Build/Libraries/LibC/libc.a" 
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| for forbidden_symbol in $FORBIDDEN_SYMBOLS; do
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|     # check if symbol is undefined
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|     if nm $LIBC_PATH | grep "U $forbidden_symbol" ; then
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|         echo "Forbidden undefined symbol in LibC: $forbidden_symbol"
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|         echo "See comment in Meta/check-symbols.sh for more info"
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|         exit 1
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|     fi
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| done
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