diff --git a/configure b/configure
index 7e69ea8864..a5eb8323e9 100755
--- a/configure
+++ b/configure
@@ -1291,17 +1291,6 @@ esac
 
 fi
 
-# host long bits test, actually a pointer size test
-cat > $TMPC << EOF
-int sizeof_pointer_is_8[sizeof(void *) == 8 ? 1 : -1];
-EOF
-if compile_object; then
-hostlongbits=64
-else
-hostlongbits=32
-fi
-
-
 ##########################################
 # NPTL probe
 
@@ -2988,7 +2977,6 @@ fi
 if test "$bigendian" = "yes" ; then
   echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
 fi
-echo "HOST_LONG_BITS=$hostlongbits" >> $config_host_mak
 if test "$mingw32" = "yes" ; then
   echo "CONFIG_WIN32=y" >> $config_host_mak
   rc_version=`cat $source_path/VERSION`
diff --git a/cpu-defs.h b/cpu-defs.h
index 57a709b679..4527cbf4f3 100644
--- a/cpu-defs.h
+++ b/cpu-defs.h
@@ -60,8 +60,6 @@ typedef uint64_t target_ulong __attribute__((aligned(TARGET_LONG_ALIGNMENT)));
 #error TARGET_LONG_SIZE undefined
 #endif
 
-#define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
-
 #define EXCP_INTERRUPT 	0x10000 /* async interruption */
 #define EXCP_HLT        0x10001 /* hlt instruction reached */
 #define EXCP_DEBUG      0x10002 /* cpu stopped after a breakpoint or singlestep */
diff --git a/qemu-common.h b/qemu-common.h
index c5e9cad35e..dbfce6f4c6 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -65,6 +65,15 @@ typedef struct Monitor Monitor;
 #define TIME_MAX LONG_MAX
 #endif
 
+/* HOST_LONG_BITS is the size of a native pointer in bits. */
+#if UINTPTR_MAX == UINT32_MAX
+# define HOST_LONG_BITS 32
+#elif UINTPTR_MAX == UINT64_MAX
+# define HOST_LONG_BITS 64
+#else
+# error Unknown pointer size
+#endif
+
 #ifndef CONFIG_IOVEC
 #define CONFIG_IOVEC
 struct iovec {
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h
index 9d61d45ab6..5cd6fd834f 100644
--- a/target-alpha/cpu.h
+++ b/target-alpha/cpu.h
@@ -21,6 +21,7 @@
 #define __CPU_ALPHA_H__
 
 #include "config.h"
+#include "qemu-common.h"
 
 #define TARGET_LONG_BITS 64
 
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index a961159d5d..1d2142bfde 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -17,15 +17,10 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-
 #include "cpu.h"
 #include "disas.h"
 #include "host-utils.h"
 #include "tcg-op.h"
-#include "qemu-common.h"
 
 #include "helper.h"
 #define GEN_HELPER 1
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 4929372489..abe1c30d6a 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1,11 +1,6 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include "cpu.h"
 #include "gdbstub.h"
 #include "helper.h"
-#include "qemu-common.h"
 #include "host-utils.h"
 #if !defined(CONFIG_USER_ONLY)
 #include "hw/loader.h"
diff --git a/target-cris/cpu.h b/target-cris/cpu.h
index 453afbb66e..222a0625a3 100644
--- a/target-cris/cpu.h
+++ b/target-cris/cpu.h
@@ -20,6 +20,9 @@
 #ifndef CPU_CRIS_H
 #define CPU_CRIS_H
 
+#include "config.h"
+#include "qemu-common.h"
+
 #define TARGET_LONG_BITS 32
 
 #define CPUState struct CPUCRISState
diff --git a/target-cris/helper.c b/target-cris/helper.c
index 5bc6d810cb..dd7f18e7f4 100644
--- a/target-cris/helper.c
+++ b/target-cris/helper.c
@@ -18,10 +18,6 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
-#include <string.h>
-
-#include "config.h"
 #include "cpu.h"
 #include "mmu.h"
 #include "host-utils.h"
diff --git a/target-cris/mmu.c b/target-cris/mmu.c
index d481e39352..5cd8f27528 100644
--- a/target-cris/mmu.c
+++ b/target-cris/mmu.c
@@ -20,11 +20,6 @@
 
 #ifndef CONFIG_USER_ONLY
 
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include "config.h"
 #include "cpu.h"
 #include "mmu.h"
 
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 70abf8a095..cbdc72c9b9 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -23,19 +23,12 @@
  * The condition code translation is in need of attention.
  */
 
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
-
 #include "cpu.h"
 #include "disas.h"
 #include "tcg-op.h"
 #include "helper.h"
 #include "mmu.h"
 #include "crisv32-decode.h"
-#include "qemu-common.h"
 
 #define GEN_HELPER 1
 #include "helper.h"
diff --git a/target-i386/helper.c b/target-i386/helper.c
index d12c9621bd..af6bba2680 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -16,14 +16,8 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
 
 #include "cpu.h"
-#include "qemu-common.h"
 #include "kvm.h"
 #ifndef CONFIG_USER_ONLY
 #include "sysemu.h"
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index 2aea71bf85..63a08d6d9a 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -22,7 +22,6 @@
 #include "dyngen-exec.h"
 #include "host-utils.h"
 #include "ioport.h"
-#include "qemu-common.h"
 #include "qemu-log.h"
 #include "cpu-defs.h"
 #include "helper.h"
diff --git a/target-lm32/cpu.h b/target-lm32/cpu.h
index 037ef528ed..b6b6b4c87a 100644
--- a/target-lm32/cpu.h
+++ b/target-lm32/cpu.h
@@ -24,6 +24,7 @@
 
 #define CPUState struct CPULM32State
 
+#include "config.h"
 #include "qemu-common.h"
 #include "cpu-defs.h"
 struct CPULM32State;
diff --git a/target-lm32/helper.c b/target-lm32/helper.c
index fc0b444d81..2637c03c91 100644
--- a/target-lm32/helper.c
+++ b/target-lm32/helper.c
@@ -17,11 +17,6 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-#include "config.h"
 #include "cpu.h"
 #include "host-utils.h"
 
diff --git a/target-lm32/translate.c b/target-lm32/translate.c
index 0be105d018..c80e48b39e 100644
--- a/target-lm32/translate.c
+++ b/target-lm32/translate.c
@@ -17,18 +17,10 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
-#include <assert.h>
-
 #include "cpu.h"
 #include "disas.h"
 #include "helper.h"
 #include "tcg-op.h"
-#include "qemu-common.h"
 
 #include "hw/lm32_pic.h"
 
diff --git a/target-m68k/cpu.h b/target-m68k/cpu.h
index 0667f8214a..4cc3a35f2e 100644
--- a/target-m68k/cpu.h
+++ b/target-m68k/cpu.h
@@ -24,6 +24,7 @@
 
 #define CPUState struct CPUM68KState
 
+#include "config.h"
 #include "qemu-common.h"
 #include "cpu-defs.h"
 
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 674c8e6f07..fa675bfca6 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -18,12 +18,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
-#include <string.h>
-
-#include "config.h"
 #include "cpu.h"
-#include "qemu-common.h"
 #include "gdbstub.h"
 
 #include "helpers.h"
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 0e7f1fe2c7..2bdd9dd1e3 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -17,13 +17,7 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
 
-#include "config.h"
 #include "cpu.h"
 #include "disas.h"
 #include "tcg-op.h"
diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h
index 3ecaeee346..409250649d 100644
--- a/target-microblaze/cpu.h
+++ b/target-microblaze/cpu.h
@@ -19,6 +19,9 @@
 #ifndef CPU_MICROBLAZE_H
 #define CPU_MICROBLAZE_H
 
+#include "config.h"
+#include "qemu-common.h"
+
 #define TARGET_LONG_BITS 32
 
 #define CPUState struct CPUMBState
diff --git a/target-microblaze/helper.c b/target-microblaze/helper.c
index 2cf28022bd..e1355ff93e 100644
--- a/target-microblaze/helper.c
+++ b/target-microblaze/helper.c
@@ -17,11 +17,6 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-#include "config.h"
 #include "cpu.h"
 #include "host-utils.h"
 
diff --git a/target-microblaze/mmu.c b/target-microblaze/mmu.c
index 281fc8d8c4..7c34ac0971 100644
--- a/target-microblaze/mmu.c
+++ b/target-microblaze/mmu.c
@@ -16,11 +16,7 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
 
-#include "config.h"
 #include "cpu.h"
 
 #define D(x)
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index 96ce2ece51..725c2ddf9b 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -17,19 +17,11 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
-#include <assert.h>
-
 #include "cpu.h"
 #include "disas.h"
 #include "tcg-op.h"
 #include "helper.h"
 #include "microblaze-decode.h"
-#include "qemu-common.h"
 
 #define GEN_HELPER 1
 #include "helper.h"
diff --git a/target-mips/translate.c b/target-mips/translate.c
index d5b1c765fb..8361d88aa8 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -20,16 +20,9 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
-
 #include "cpu.h"
 #include "disas.h"
 #include "tcg-op.h"
-#include "qemu-common.h"
 
 #include "helper.h"
 #define GEN_HELPER 1
diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index 928fbcf3cb..bb76a8b9e0 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -16,15 +16,9 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
 
 #include "cpu.h"
 #include "helper_regs.h"
-#include "qemu-common.h"
 #include "kvm.h"
 #include "kvm_ppc.h"
 #include "cpus.h"
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index b2780dbe55..8573e1f775 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -17,16 +17,10 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
 
 #include "cpu.h"
 #include "disas.h"
 #include "tcg-op.h"
-#include "qemu-common.h"
 #include "host-utils.h"
 
 #include "helper.h"
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index b8893b3027..e892beca3b 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -19,6 +19,9 @@
 #ifndef CPU_S390X_H
 #define CPU_S390X_H
 
+#include "config.h"
+#include "qemu-common.h"
+
 #define TARGET_LONG_BITS 64
 
 #define ELF_MACHINE	EM_S390
diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index 10cc9dd5fa..c0ec8908a6 100644
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -18,13 +18,8 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
 #include "cpu.h"
 #include "gdbstub.h"
-#include "qemu-common.h"
 #include "qemu-timer.h"
 #ifndef CONFIG_USER_ONLY
 #include "sysemu.h"
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index ee15672185..71f9dcdff5 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -17,11 +17,6 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
 
 /* #define DEBUG_ILLEGAL_INSTRUCTIONS */
 /* #define DEBUG_INLINE_BRANCHES */
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index aacf96d9a3..dd0ee4be93 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -16,11 +16,6 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <inttypes.h>
 
 #define DEBUG_DISAS
 #define SH4_DEBUG_DISAS
@@ -29,7 +24,6 @@
 #include "cpu.h"
 #include "disas.h"
 #include "tcg-op.h"
-#include "qemu-common.h"
 
 #include "helper.h"
 #define GEN_HELPER 1
diff --git a/target-unicore32/cpu.h b/target-unicore32/cpu.h
index b4e72cfa6e..f725634801 100644
--- a/target-unicore32/cpu.h
+++ b/target-unicore32/cpu.h
@@ -20,6 +20,8 @@
 
 #define CPUState                struct CPUState_UniCore32
 
+#include "config.h"
+#include "qemu-common.h"
 #include "cpu-defs.h"
 #include "softfloat.h"
 
diff --git a/target-unicore32/helper.c b/target-unicore32/helper.c
index b5b1cb7c9b..ee7f82bdcd 100644
--- a/target-unicore32/helper.c
+++ b/target-unicore32/helper.c
@@ -5,14 +5,10 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 #include "cpu.h"
 #include "gdbstub.h"
 #include "helper.h"
-#include "qemu-common.h"
 #include "host-utils.h"
 
 static inline void set_feature(CPUState *env, int feature)
diff --git a/target-xtensa/core-dc232b.c b/target-xtensa/core-dc232b.c
index b723c4ca7b..7c038351b3 100644
--- a/target-xtensa/core-dc232b.c
+++ b/target-xtensa/core-dc232b.c
@@ -1,7 +1,6 @@
 #include "cpu.h"
 #include "exec-all.h"
 #include "gdbstub.h"
-#include "qemu-common.h"
 #include "host-utils.h"
 
 #include "core-dc232b/core-isa.h"
diff --git a/target-xtensa/core-fsf.c b/target-xtensa/core-fsf.c
index 88de4dd4ba..c11d9708e7 100644
--- a/target-xtensa/core-fsf.c
+++ b/target-xtensa/core-fsf.c
@@ -1,7 +1,6 @@
 #include "cpu.h"
 #include "exec-all.h"
 #include "gdbstub.h"
-#include "qemu-common.h"
 #include "host-utils.h"
 
 #include "core-fsf/core-isa.h"
diff --git a/target-xtensa/helper.c b/target-xtensa/helper.c
index 2ef50d656e..42a559f756 100644
--- a/target-xtensa/helper.c
+++ b/target-xtensa/helper.c
@@ -28,7 +28,6 @@
 #include "cpu.h"
 #include "exec-all.h"
 #include "gdbstub.h"
-#include "qemu-common.h"
 #include "host-utils.h"
 #if !defined(CONFIG_USER_ONLY)
 #include "hw/loader.h"
diff --git a/thunk.h b/thunk.h
index 109c541f0f..9810743191 100644
--- a/thunk.h
+++ b/thunk.h
@@ -99,7 +99,7 @@ static inline int thunk_type_size(const argtype *type_ptr, int is_host)
     case TYPE_PTRVOID:
     case TYPE_PTR:
         if (is_host) {
-            return HOST_LONG_SIZE;
+            return sizeof(void *);
         } else {
             return TARGET_ABI_BITS / 8;
         }
@@ -136,7 +136,7 @@ static inline int thunk_type_align(const argtype *type_ptr, int is_host)
     case TYPE_PTRVOID:
     case TYPE_PTR:
         if (is_host) {
-            return HOST_LONG_SIZE;
+            return sizeof(void *);
         } else {
             return TARGET_ABI_BITS / 8;
         }