diff --git a/build_gcc.sh b/build_gcc.sh
index c92bb88..a196c26 100755
--- a/build_gcc.sh
+++ b/build_gcc.sh
@@ -85,9 +85,16 @@ $MAKE -j$JOBS
 $MAKE install
 
 GCC_VERSION=`echo $GCC_VERSION | tr '-' ' ' |  awk '{print $1}'`
-pushd $OSXCROSS_TARGET_DIR/x86_64-apple-$OSXCROSS_TARGET/include/c++/${GCC_VERSION}* &>/dev/null
-patch -p0 -l < $OSXCROSS_TARGET_DIR/../patches/libstdcxx.patch &>/dev/null || true
-popd  &>/dev/null
+
+pushd $OSXCROSS_TARGET_DIR/x86_64-apple-$OSXCROSS_TARGET/include &>/dev/null
+pushd c++/${GCC_VERSION}* &>/dev/null
+
+cat $OSXCROSS_TARGET_DIR/../patches/libstdcxx.patch | \
+  sed "s/darwin13/$OSXCROSS_TARGET/g" | \
+  patch -p0 -l &>/dev/null || true
+
+popd &>/dev/null
+popd &>/dev/null
 
 popd &>/dev/null # build
 popd &>/dev/null # gcc
diff --git a/patches/libstdcxx.patch b/patches/libstdcxx.patch
index 5ffaf6d..a5ba0bd 100644
--- a/patches/libstdcxx.patch
+++ b/patches/libstdcxx.patch
@@ -29,3 +29,27 @@
 +#endif
  
  #endif // _GLIBCXX_CSTDDEF
+--- x86_64-apple-darwin13/bits/c++config.h
++++ x86_64-apple-darwin13/bits/c++config.h
+@@ -913,7 +913,9 @@
+ #define _GLIBCXX_HAVE_TGMATH_H 1
+ 
+ /* Define to 1 if the target supports thread-local storage. */
++#if !defined(__clang__) || __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070
+ #define _GLIBCXX_HAVE_TLS 1
++#endif
+ 
+ /* Define to 1 if you have the <unistd.h> header file. */
+ #define _GLIBCXX_HAVE_UNISTD_H 1
+--- x86_64-apple-darwin13/i386/bits/c++config.h
++++ x86_64-apple-darwin13/i386/bits/c++config.h
+@@ -913,7 +913,9 @@
+ #define _GLIBCXX_HAVE_TGMATH_H 1
+ 
+ /* Define to 1 if the target supports thread-local storage. */
++#if !defined(__clang__) || __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070
+ #define _GLIBCXX_HAVE_TLS 1
++#endif
+ 
+ /* Define to 1 if you have the <unistd.h> header file. */
+ #define _GLIBCXX_HAVE_UNISTD_H 1