ensure libxml2/libxslt symbols aren't exported

see #1959 for details
sparklemotion · Feb 1, 2020 · a417392 · a417392
1 parent b9e2f40
commit a417392
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/ext/nokogiri/extconf.rb b/ext/nokogiri/extconf.rb
@@ -415,6 +415,9 @@ def using_system_libraries?
 # Read CFLAGS from ENV and make sure compiling works.
 add_cflags(ENV["CFLAGS"])
 
+# Ensure libxml2/libxslt symbols aren't exported. See #1959 for details.
+$LDFLAGS << " -Wl,--exclude-libs,ALL"
+
 if windows?
   $CFLAGS << " -DXP_WIN -DXP_WIN32 -DUSE_INCLUDED_VASPRINTF"
 end