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-rwxr-xr-xgfx/harfbuzz/src/check-symbols.sh43
1 files changed, 43 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/check-symbols.sh b/gfx/harfbuzz/src/check-symbols.sh
new file mode 100755
index 000000000..ba09ba1cc
--- /dev/null
+++ b/gfx/harfbuzz/src/check-symbols.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+LC_ALL=C
+export LC_ALL
+
+test -z "$srcdir" && srcdir=.
+stat=0
+
+
+if which nm 2>/dev/null >/dev/null; then
+ :
+else
+ echo "check-symbols.sh: 'nm' not found; skipping test"
+ exit 77
+fi
+
+echo "Checking that we are not exposing internal symbols"
+tested=false
+for suffix in so dylib; do
+ so=.libs/libharfbuzz.$suffix
+ if ! test -f "$so"; then continue; fi
+
+ EXPORTED_SYMBOLS="`nm "$so" | grep ' [BCDGINRSTVW] ' | grep -v ' _fini\>\| _init\>\| _fdata\>\| _ftext\>\| _fbss\>\| __bss_start\>\| __bss_start__\>\| __bss_end__\>\| _edata\>\| _end\>\| _bss_end__\>\| __end__\>\| __gcov_flush\>\| ___gcov_flush\>\| llvm_\| _llvm_' | cut -d' ' -f3`"
+
+ prefix=`basename "$so" | sed 's/libharfbuzz/hb/; s/-/_/g; s/[.].*//'`
+
+ # On mac, C symbols are prefixed with _
+ if test $suffix = dylib; then prefix="_$prefix"; fi
+
+ echo "Processing $so"
+ if echo "$EXPORTED_SYMBOLS" | grep -v "^${prefix}_"; then
+ echo "Ouch, internal symbols exposed"
+ stat=1
+ fi
+
+ tested=true
+done
+if ! $tested; then
+ echo "check-symbols.sh: no shared library found; skipping test"
+ exit 77
+fi
+
+exit $stat