Compilation fix for older gcc where __DBL_*_EXP__ isn't defined

2 files changed, 42 insertions, 33 deletions

diff --git a/com32/include/math.h b/com32/include/math.h
index 5aaa9ada..e3d248fd 100644
--- a/com32/include/math.h
+++ b/com32/include/math.h
@@ -1,6 +1,13 @@
 #ifndef _MATH_H
 #define _MATH_H
 
+#ifndef __DBL_MIN_EXP__
+# define __DBL_MIN_EXP__ (-1021)
+#endif
+#ifndef __DBL_MAX_EXP__
+# define __DBL_MAX_EXP__ 1024
+#endif
+
 double pow(double, double);
 double fabs(double);
 double strtod(const char *, char **);
diff --git a/com32/lib/math/strtod.c b/com32/lib/math/strtod.c
index f0b500cb..7289f90b 100644
--- a/com32/lib/math/strtod.c
+++ b/com32/lib/math/strtod.c
@@ -1,40 +1,42 @@
-//
-// strtod.c
-//
-// Convert string to double 
-//
-// Copyright (C) 2002 Michael Ringgaard. All rights reserved.
-// Copyright (C) 2006 H. Peter Anvin.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-// 
-// 1. Redistributions of source code must retain the above copyright 
-//    notice, this list of conditions and the following disclaimer.  
-// 2. Redistributions in binary form must reproduce the above copyright
-//    notice, this list of conditions and the following disclaimer in the
-//    documentation and/or other materials provided with the distribution.  
-// 3. Neither the name of the project nor the names of its contributors
-//    may be used to endorse or promote products derived from this software
-//    without specific prior written permission. 
-// 
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
-// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
-// SUCH DAMAGE.
-// 
+/*
+ * strtod.c
+ *
+ * Convert string to double 
+ *
+ * Copyright (C) 2002 Michael Ringgaard. All rights reserved.
+ * Copyright (C) 2006-2007 H. Peter Anvin.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer.  
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.  
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #include <errno.h>
 #include <ctype.h>
 #include <stdlib.h>
+#include <math.h>
 
 static inline int is_real(double x)
 {