Add multiple inclusion protection.

10 files changed, 46 insertions, 3 deletions

diff --git a/include/math-emu/double.h b/include/math-emu/double.h
index 04c4c0f45..655ccf1c4 100644
--- a/include/math-emu/double.h
+++ b/include/math-emu/double.h
@@ -22,6 +22,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef    __MATH_EMU_DOUBLE_H__
+#define    __MATH_EMU_DOUBLE_H__
+
 #if _FP_W_TYPE_SIZE < 32
 #error "Here's a nickel kid.  Go buy yourself a real computer."
 #endif
@@ -197,3 +200,6 @@ union _FP_UNION_D
 #define _FP_FRAC_HIGH_RAW_D(X)	_FP_FRAC_HIGH_1(X)
 
 #endif /* W_TYPE_SIZE < 64 */
+
+
+#endif /* __MATH_EMU_DOUBLE_H__ */
diff --git a/include/math-emu/extended.h b/include/math-emu/extended.h
index ae73cecb3..84770fceb 100644
--- a/include/math-emu/extended.h
+++ b/include/math-emu/extended.h
@@ -19,6 +19,10 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+
+#ifndef    __MATH_EMU_EXTENDED_H__
+#define    __MATH_EMU_EXTENDED_H__
+
 #if _FP_W_TYPE_SIZE < 32
 #error "Here's a nickel, kid. Go buy yourself a real computer."
 #endif
@@ -388,3 +392,5 @@ union _FP_UNION_E
 #define _FP_FRAC_HIGH_RAW_E(X)	(X##_f0)
 
 #endif /* not _FP_W_TYPE_SIZE < 64 */
+
+#endif /* __MATH_EMU_EXTENDED_H__ */
diff --git a/include/math-emu/op-1.h b/include/math-emu/op-1.h
index 53e0fce1b..38c0561b7 100644
--- a/include/math-emu/op-1.h
+++ b/include/math-emu/op-1.h
@@ -22,6 +22,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef    __MATH_EMU_OP_1_H__
+#define    __MATH_EMU_OP_1_H__
+
 #define _FP_FRAC_DECL_1(X)	_FP_W_TYPE X##_f
 #define _FP_FRAC_COPY_1(D,S)	(D##_f = S##_f)
 #define _FP_FRAC_SET_1(X,I)	(X##_f = I)
@@ -295,3 +298,5 @@
     else								\
       D##_f <<= _FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs;		\
   } while (0)
+
+#endif /* __MATH_EMU_OP_1_H__ */
diff --git a/include/math-emu/op-2.h b/include/math-emu/op-2.h
index e639d534e..81416782b 100644
--- a/include/math-emu/op-2.h
+++ b/include/math-emu/op-2.h
@@ -22,6 +22,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef __MATH_EMU_OP_2_H__
+#define __MATH_EMU_OP_2_H__
+
 #define _FP_FRAC_DECL_2(X)	_FP_W_TYPE X##_f0, X##_f1
 #define _FP_FRAC_COPY_2(D,S)	(D##_f0 = S##_f0, D##_f1 = S##_f1)
 #define _FP_FRAC_SET_2(X,I)	__FP_FRAC_SET_2(X, I)
@@ -606,3 +609,4 @@
     _FP_FRAC_SLL_2(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs));	\
   } while (0)
 
+#endif
diff --git a/include/math-emu/op-4.h b/include/math-emu/op-4.h
index f5235f5d9..2aa135632 100644
--- a/include/math-emu/op-4.h
+++ b/include/math-emu/op-4.h
@@ -22,6 +22,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef __MATH_EMU_OP_4_H__
+#define __MATH_EMU_OP_4_H__
+
 #define _FP_FRAC_DECL_4(X)	_FP_W_TYPE X##_f[4]
 #define _FP_FRAC_COPY_4(D,S)			\
   (D##_f[0] = S##_f[0], D##_f[1] = S##_f[1],	\
@@ -659,3 +662,4 @@
      _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs));	\
    } while (0)
 
+#endif
diff --git a/include/math-emu/op-8.h b/include/math-emu/op-8.h
index a9d7dbf59..8b8c05eb8 100644
--- a/include/math-emu/op-8.h
+++ b/include/math-emu/op-8.h
@@ -21,6 +21,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef __MATH_EMU_OP_8_H__
+#define __MATH_EMU_OP_8_H__
+
 /* We need just a few things from here for op-4, if we ever need some
    other macros, they can be added. */
 #define _FP_FRAC_DECL_8(X)	_FP_W_TYPE X##_f[8]
@@ -101,3 +104,4 @@
     X##_f[0] |= (_s != 0);						\
   } while (0)
 
+#endif
diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
index e03e40e65..dd37d4494 100644
--- a/include/math-emu/op-common.h
+++ b/include/math-emu/op-common.h
@@ -21,6 +21,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef __MATH_EMU_OP_COMMON_H__
+#define __MATH_EMU_OP_COMMON_H__
+
 #define _FP_DECL(wc, X)			\
   _FP_I_TYPE X##_c, X##_s, X##_e;	\
   _FP_FRAC_DECL_##wc(X)
@@ -846,3 +849,4 @@ do {									\
     q = n / d, r = n % d;			\
   } while (0)
 
+#endif /* __MATH_EMU_OP_COMMON_H__ */
diff --git a/include/math-emu/quad.h b/include/math-emu/quad.h
index 23b20c3e6..616113626 100644
--- a/include/math-emu/quad.h
+++ b/include/math-emu/quad.h
@@ -22,6 +22,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef  __MATH_EMU_QUAD_H__
+#define  __MATH_EMU_QUAD_H__
+
 #if _FP_W_TYPE_SIZE < 32
 #error "Here's a nickel, kid. Go buy yourself a real computer."
 #endif
@@ -201,3 +204,5 @@ union _FP_UNION_Q
 #define _FP_FRAC_HIGH_RAW_Q(X)	_FP_FRAC_HIGH_2(X)
 
 #endif /* not _FP_W_TYPE_SIZE < 64 */
+
+#endif /* __MATH_EMU_QUAD_H__ */
diff --git a/include/math-emu/single.h b/include/math-emu/single.h
index ea12cb8b0..87f90b0f9 100644
--- a/include/math-emu/single.h
+++ b/include/math-emu/single.h
@@ -22,6 +22,9 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
+#ifndef    __MATH_EMU_SINGLE_H__
+#define    __MATH_EMU_SINGLE_H__
+
 #if _FP_W_TYPE_SIZE < 32
 #error "Here's a nickel kid.  Go buy yourself a real computer."
 #endif
@@ -109,3 +112,5 @@ union _FP_UNION_S
 
 #define _FP_FRAC_HIGH_S(X)	_FP_FRAC_HIGH_1(X)
 #define _FP_FRAC_HIGH_RAW_S(X)	_FP_FRAC_HIGH_1(X)
+
+#endif /* __MATH_EMU_SINGLE_H__ */
diff --git a/include/math-emu/soft-fp.h b/include/math-emu/soft-fp.h
index 1d1345134..ca977531a 100644
--- a/include/math-emu/soft-fp.h
+++ b/include/math-emu/soft-fp.h
@@ -21,8 +21,8 @@
    not, write to the Free Software Foundation, Inc.,
    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-#ifndef SOFT_FP_H
-#define SOFT_FP_H
+#ifndef __MATH_EMU_SOFT_FP_H__
+#define __MATH_EMU_SOFT_FP_H__
 
 #include <asm/sfp-machine.h>
 
@@ -178,4 +178,4 @@ typedef USItype UHWtype;
 #include <stdlib/longlong.h>
 #endif
 
-#endif
+#endif /* __MATH_EMU_SOFT_FP_H__ */