configure: update list of preserved environment variables
INSTALL and LIBTOOL are not used anymore, but OBJCFLAGS is new and
was not listed.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/configure b/configure
index 4b12a80..d41c7ed 100755
--- a/configure
+++ b/configure
@@ -2722,13 +2722,12 @@
preserve_env CFLAGS
preserve_env CXX
preserve_env CXXFLAGS
-preserve_env INSTALL
preserve_env LD
preserve_env LDFLAGS
preserve_env LD_LIBRARY_PATH
-preserve_env LIBTOOL
preserve_env MAKE
preserve_env NM
+preserve_env OBJCFLAGS
preserve_env OBJCOPY
preserve_env PATH
preserve_env PKG_CONFIG
