configure: Restore CPPFLAGS after the last check

The next checks can also set CPPFLAGS.

https://bugzilla.gnome.org/show_bug.cgi?id=763940
This commit is contained in:
Egor Zaharov 2016-03-20 13:43:00 +00:00 committed by Sebastian Dröge
parent 7a8828f68a
commit 6ca5f88dde

View file

@ -285,7 +285,6 @@ if test "x$with_system_libav" = "xyes"; then
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $LIBAV_CFLAGS"
AC_CHECK_HEADERS([avi.h])
CPPFLAGS="$saved_CPPFLAGS"
AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.])
HAVE_LIBAV_UNINSTALLED=0
AC_MSG_NOTICE([Using system-installed libav code])
@ -300,6 +299,7 @@ if test "x$with_system_libav" = "xyes"; then
#endif
]])], [is_ffmpeg=yes], [is_ffmpeg=no])
AC_MSG_RESULT([$is_ffmpeg])
CPPFLAGS="$saved_CPPFLAGS"
if test "$is_ffmpeg" = no; then
AC_MSG_ERROR([Uncompatible libavcodec found])
fi