avoid abicheck failure

x

Author: remicollet

tests/abicheck.sh

@@ -1,6 +1,6 @@
 #! /bin/sh
 
-cpp -P ${cppargs} ${1:-./src/libmongoc.symbols} | sed -e '/^$/d' -e 's/ G_GNUC.*$//' -e 's/ PRIVATE//' -e 's/ DATA//' | sort > expected-abi
+cpp --freestanding -P ${cppargs} ${1:-./src/libmongoc.symbols} | sed -e '/^$/d' -e 's/ G_GNUC.*$//' -e 's/ PRIVATE//' -e 's/ DATA//' | sort > expected-abi
 
 nm -D -g --defined-only .libs/libmongoc-1.0.so | cut -d ' ' -f 3 | egrep -v '^(__bss_start|_edata|_end)' | sort > actual-abi
 diff -u expected-abi actual-abi && rm -f expected-abi actual-abi