Limit -Wconversion to GCC >= 4.7

diff --git a/src/pdumper.c b/src/pdumper.c
index 9a0770d68ed20f66a583a18508759a72674c4d1e..c1d50f00159018329a95336450fa0962d54d2df4 100644 (file)
--- a/src/pdumper.c
+++ b/src/pdumper.c
@@ -61,7 +61,7 @@
 # define CHECK_STRUCTS 1
 #endif
 
-#ifdef __GNUC__
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)
 # pragma GCC diagnostic error "-Wconversion"
 # pragma GCC diagnostic error "-Wshadow"
 # define ALLOW_IMPLICIT_CONVERSION                       \