--- a/make/autoconf/toolchain.m4	Fri Mar 09 19:10:51 2018 +0100
+++ b/make/autoconf/toolchain.m4	Fri Mar 09 19:12:07 2018 +0100
@@ -52,7 +52,7 @@
 
 # Minimum supported versions, empty means unspecified
 TOOLCHAIN_MINIMUM_VERSION_clang="3.2"
-TOOLCHAIN_MINIMUM_VERSION_gcc="4.7"
+TOOLCHAIN_MINIMUM_VERSION_gcc="4.8"
 TOOLCHAIN_MINIMUM_VERSION_microsoft="16.00.30319.01" # VS2010
 TOOLCHAIN_MINIMUM_VERSION_solstudio="5.13"
 TOOLCHAIN_MINIMUM_VERSION_xlc=""