diff --git a/js/src/ctypes/libffi/configure b/js/src/ctypes/libffi/configure
--- a/js/src/ctypes/libffi/configure
+++ b/js/src/ctypes/libffi/configure
@@ -11251,17 +11251,17 @@ case "$host" in
 
   m68k-*-*)
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
   mips-sgi-irix5.* | mips-sgi-irix6.*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
-  mips*-*-linux*)
+  mips*-*linux*)
 	# Support 128-bit long double for NewABI.
 	HAVE_LONG_DOUBLE='defined(__mips64)'
 	TARGET=MIPS; TARGETDIR=mips
 	;;
 
   moxie-*-*)
         TARGET=MOXIE; TARGETDIR=moxie
 	;;
diff --git a/js/src/ctypes/libffi/configure.ac b/js/src/ctypes/libffi/configure.ac
--- a/js/src/ctypes/libffi/configure.ac
+++ b/js/src/ctypes/libffi/configure.ac
@@ -113,17 +113,17 @@ case "$host" in
 
   m68k-*-*)
 	TARGET=M68K; TARGETDIR=m68k
 	;;
 
   mips-sgi-irix5.* | mips-sgi-irix6.*)
 	TARGET=MIPS; TARGETDIR=mips
 	;;
-  mips*-*-linux*)
+  mips*-*linux*)
 	# Support 128-bit long double for NewABI.
 	HAVE_LONG_DOUBLE='defined(__mips64)'
 	TARGET=MIPS; TARGETDIR=mips
 	;;
 
   moxie-*-*)
         TARGET=MOXIE; TARGETDIR=moxie
 	;;