diff --git a/util/crossgcc/Makefile b/util/crossgcc/Makefile
index 2d344e3..2f18b17 100644
--- a/util/crossgcc/Makefile
+++ b/util/crossgcc/Makefile
@@ -1,8 +1,11 @@
-all: build-i386 build-armv7a build-aarch64 build-mips build-riscv
+all: build-i386 build-x64 build-armv7a build-aarch64 build-mips build-riscv
 
 build-i386:
 	bash ./buildgcc -G -p i386-elf
 
+build-x64:
+	bash ./buildgcc -G -p x86_64-elf
+
 build-armv7a:
 	bash ./buildgcc -G -p armv7a-eabi
 
@@ -19,6 +22,10 @@
 build-i386-without-gdb:
 	bash ./buildgcc -p i386-elf
 
+.PHONY: build-x64-without-gdb
+build-x64-without-gdb:
+	bash ./buildgcc -p x86_64-elf
+
 .PHONY: build-armv7a-without-gdb
 build-armv7a-without-gdb:
 	bash ./buildgcc -p armv7a-eabi
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 7221b83..ceb1d1d 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -232,6 +232,8 @@
 done
 
 case "$TARGETARCH" in
+	x86_64-elf)	;;
+	x86_64*)	TARGETARCH=x86_64-elf;;
 	i386-elf)	;;
 	i386-mingw32)	;;
 	mipsel-elf)	;;