harfbuzz/src/check-defs.sh

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#!/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
tested=false
for def in harfbuzz.def harfbuzz-icu.def harfbuzz-subset.def; do
if ! test -f "$def"; then
echo "check-defs.sh: '$def' not found; skipping test it"
continue
fi
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