kc3-lang/harfbuzz/src/check-defs.sh

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• Hash : 844f48ea
  Author :
  Date : 2018-02-10T23:13:12
  

  Fix symbol exporting and libstdc++ linkage of hb-subset (#769)
  
  

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• src/check-defs.sh

• #!/bin/sh
  
  LC_ALL=C
  export LC_ALL
  
  test -z "$srcdir" && srcdir=.
  test -z "$libs" && libs=.libs
  stat=0
  
  if which nm 2>/dev/null >/dev/null; then
  	:
  else
  	echo "check-defs.sh: 'nm' not found; skipping test"
  	exit 77
  fi
  
  defs="harfbuzz.def"
  if ! test -f "$defs"; then
  	echo "check-defs.sh: '$defs' not found; skipping test"
  	exit 77
  fi
  
  tested=false
  for def in $defs; do
  	lib=`echo "$def" | sed 's/[.]def$//;s@.*/@@'`
  	for suffix in so dylib; do
  		so=$libs/lib${lib}.$suffix
  		if ! test -f "$so"; then continue; fi
  
  		# On macOS, C symbols are prefixed with _
  		if test $suffix = dylib; then prefix="_"; fi
  
  		EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] .' | grep -v " $prefix"'\(_fini\>\|_init\>\|_fdata\>\|_ftext\>\|_fbss\>\|__bss_start\>\|__bss_start__\>\|__bss_end__\>\|_edata\>\|_end\>\|_bss_end__\>\|__end__\>\|__gcov_flush\>\|llvm_\)' | cut -d' ' -f3`"
  
  		if test -f "$so"; then
  
  			echo "Checking that $so has the same symbol list as $def"
  			{
  				echo EXPORTS
  				echo "$EXPORTED_SYMBOLS" | sed -e "s/^${prefix}hb/hb/g"
  				# cheat: copy the last line from the def file!
  				tail -n1 "$def"
  			} | diff "$def" - >&2 || stat=1
  
  			tested=true
  		fi
  	done
  done
  if ! $tested; then
  	echo "check-defs.sh: libharfbuzz shared library not found; skipping test"
  	exit 77
  fi
  
  exit $stat
  

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