diff --git a/lang/gcc48/options.mk b/lang/gcc48/options.mk
index f3c0fd96e2b2..06cca3a9029b 100644
--- a/lang/gcc48/options.mk
+++ b/lang/gcc48/options.mk
@@ -22,8 +22,13 @@ PKG_SUGGESTED_OPTIONS+=			always-libgcc
 ###
 MULTILIB_SUPPORTED?=	unknown
 .if !empty(MACHINE_PLATFORM:MLinux-*-x86_64)
-.  if exists(/usr/include/gnu/stubs-64.h) && \
-     !exists(/usr/include/gnu/stubs-32.h)
+.  if exists(/usr/include/x86_64-linux-gnu/gnu)
+_GNU_INCLUDE_DIR=	/usr/include/x86_64-linux-gnu/gnu
+.  else
+_GNU_INCLUDE_DIR=	/usr/include/gnu
+.  endif
+.  if exists(${_GNU_INCLUDE_DIR}/stubs-64.h) && \
+     !exists(${_GNU_INCLUDE_DIR}/stubs-32.h)
 MULTILIB_SUPPORTED=	No
 .  else
 MULTILIB_SUPPORTED=	Yes
diff --git a/lang/gcc49/options.mk b/lang/gcc49/options.mk
index 92086356db4f..83c9e43d3503 100644
--- a/lang/gcc49/options.mk
+++ b/lang/gcc49/options.mk
@@ -22,8 +22,13 @@ PKG_SUGGESTED_OPTIONS+=		always-libgcc
 ###
 MULTILIB_SUPPORTED?=	unknown
 .if !empty(MACHINE_PLATFORM:MLinux-*-x86_64)
-.  if exists(/usr/include/gnu/stubs-64.h) && \
-     !exists(/usr/include/gnu/stubs-32.h)
+.  if exists(/usr/include/x86_64-linux-gnu/gnu)
+_GNU_INCLUDE_DIR=	/usr/include/x86_64-linux-gnu/gnu
+.  else
+_GNU_INCLUDE_DIR=	/usr/include/gnu
+.  endif
+.  if exists(${_GNU_INCLUDE_DIR}/stubs-64.h) && \
+     !exists(${_GNU_INCLUDE_DIR}/stubs-32.h)
 MULTILIB_SUPPORTED=	No
 .  else
 MULTILIB_SUPPORTED=	Yes
diff --git a/lang/gcc5/options.mk b/lang/gcc5/options.mk
index 9887adc2d551..e94a01bb92b2 100644
--- a/lang/gcc5/options.mk
+++ b/lang/gcc5/options.mk
@@ -22,8 +22,13 @@ PKG_SUGGESTED_OPTIONS+=			always-libgcc
 ###
 MULTILIB_SUPPORTED?=	unknown
 .if !empty(MACHINE_PLATFORM:MLinux-*-x86_64)
-.  if exists(/usr/include/gnu/stubs-64.h) && \
-     !exists(/usr/include/gnu/stubs-32.h)
+.  if exists(/usr/include/x86_64-linux-gnu/gnu)
+_GNU_INCLUDE_DIR=	/usr/include/x86_64-linux-gnu/gnu
+.  else
+_GNU_INCLUDE_DIR=	/usr/include/gnu
+.  endif
+.  if exists(${_GNU_INCLUDE_DIR}/stubs-64.h) && \
+     !exists(${_GNU_INCLUDE_DIR}/stubs-32.h)
 MULTILIB_SUPPORTED=	No
 .  else
 MULTILIB_SUPPORTED=	Yes
diff --git a/lang/gcc6/options.mk b/lang/gcc6/options.mk
index 4d60bd513e1e..2c0dfbdbc409 100644
--- a/lang/gcc6/options.mk
+++ b/lang/gcc6/options.mk
@@ -28,8 +28,13 @@ PKG_SUGGESTED_OPTIONS+=			always-libgcc
 ###
 MULTILIB_SUPPORTED?=	unknown
 .if !empty(MACHINE_PLATFORM:MLinux-*-x86_64)
-.  if exists(/usr/include/gnu/stubs-64.h) && \
-     !exists(/usr/include/gnu/stubs-32.h)
+.  if exists(/usr/include/x86_64-linux-gnu/gnu)
+_GNU_INCLUDE_DIR=	/usr/include/x86_64-linux-gnu/gnu
+.  else
+_GNU_INCLUDE_DIR=	/usr/include/gnu
+.  endif
+.  if exists(${_GNU_INCLUDE_DIR}/stubs-64.h) && \
+     !exists(${_GNU_INCLUDE_DIR}/stubs-32.h)
 MULTILIB_SUPPORTED=	No
 .  else
 MULTILIB_SUPPORTED=	Yes