diff -Naur a/src/Makefile b/src/Makefile
--- a/src/Makefile	2017-10-24 01:20:32.657585146 +0200
+++ b/src/Makefile	2018-09-04 01:24:08.136642573 +0200
@@ -167,8 +167,8 @@
 		CFLAGS += -msse2
 		CXXFLAGS += -msse2
 
-		GCC_GTEQ_440 := $(shell expr `gcc -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/' -e 's/^[0-9]\{1,2\}$$/&0000/'` \>= 40400)
-		GCC_GTEQ_430 := $(shell expr `gcc -dumpversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/' -e 's/^[0-9]\{1,2\}$$/&0000/'` \>= 40300)
+		GCC_GTEQ_440 := $(shell expr `gcc -dumpfullversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/' -e 's/^[0-9]\{1,2\}$$/&0000/'` \>= 40400)
+		GCC_GTEQ_430 := $(shell expr `gcc -dumpfullversion | sed -e 's/\.\([0-9][0-9]\)/\1/g' -e 's/\.\([0-9]\)/0\1/g' -e 's/^[0-9]\{3,4\}$$/&00/' -e 's/^[0-9]\{1,2\}$$/&0000/'` \>= 40300)
 		ifeq "$(GCC_GTEQ_440)" "1"
 			CFLAGS += -maes
 			CXXFLAGS += -maes
@@ -202,7 +202,7 @@
 	ifneq "$(origin WXSTATIC)" "command line"
 		LFLAGS += -ldl
 	else
-		GCC5USED := $(shell expr `gcc -dumpversion | cut -f1 -d.` \>= 5)
+		GCC5USED := $(shell expr `gcc -dumpfullversion | cut -f1 -d.` \>= 5)
 		ifeq "$(GCC5USED)" "1"
 			CXXFLAGS += -D_GLIBCXX_USE_CXX11_ABI=0
 			WXCONFIG_CXXFLAGS += -D_GLIBCXX_USE_CXX11_ABI=0