Export CPPFLAGS to propagate additional flags

diff --git a/configure.in b/configure.in
index 184f33cc46b4f2ae1c7e761a8b0d0afdaa0ab9cf..2219d998bad7dd4c7a70f95ec02c773e0bc8c79e 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -643,6 +643,7 @@ AC_ARG_ENABLE(thread-safety,
     AC_DEFINE(ZTS)
     INCLUDES="$INCLUDES -I\$(top_builddir)/TSRM"
     CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS"
+    export CPPFLAGS
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)