Define _GNU_SOURCE in xbt/misc.h, so that it's defined across full build.

[simgrid.git] / include / xbt / misc.h

diff --git a/include/xbt/misc.h b/include/xbt/misc.h
index 7d887b0..529bfc6 100644 (file)
--- a/include/xbt/misc.h
+++ b/include/xbt/misc.h
@@ -9,16 +9,28 @@
 #ifndef XBT_MISC_H
 #define XBT_MISC_H
 
+/* Define _GNU_SOURCE for getline, isfinite, etc. */
+#ifndef _GNU_SOURCE
+       #define _GNU_SOURCE
+#endif
+
 /* Attributes are only in recent versions of GCC */
 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4))
 # define _XBT_GNUC_PRINTF( format_idx, arg_idx )    \
-          __attribute__((__format__ (__printf__, format_idx, arg_idx)))
+     __attribute__((__format__ (__printf__, format_idx, arg_idx)))
 # define _XBT_GNUC_SCANF( format_idx, arg_idx )     \
-              __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
+         __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
 # define _XBT_GNUC_NORETURN __attribute__((__noreturn__))
 # define _XBT_GNUC_UNUSED  __attribute__((__unused__))
-# define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__ (prio)))
-# define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__ (prio)))
+/* Constructor priorities exist since gcc 4.3.  Apparently, they are however not
+ * supported on Macs. */
+# if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && !defined(__APPLE__)
+#  define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__ (prio)))
+#  define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__ (prio)))
+# else
+#  define _XBT_GNUC_CONSTRUCTOR(prio) __attribute__((__constructor__))
+#  define _XBT_GNUC_DESTRUCTOR(prio) __attribute__((__destructor__))
+# endif
 # undef _XBT_NEED_INIT_PRAGMA
 
 #else                           /* !__GNUC__ */
@@ -56,11 +68,11 @@
 #        define XBT_INLINE
 #    endif
 #  else
-#         if defined (__VISUALC__)
-#                 define XBT_INLINE __inline
-#         else
-#       define XBT_INLINE  inline
-#         endif
+#     if defined (__VISUALC__)
+#       define XBT_INLINE __inline
+#     else
+#       define XBT_INLINE  inline
+#     endif
 #  endif /* __cplusplus */
 #endif
 
@@ -159,7 +171,7 @@
 #  define XBT_PUBLIC(type)            __declspec(dllexport) type
 #  define XBT_EXPORT_NO_IMPORT(type)  __declspec(dllexport) type
 #  define XBT_IMPORT_NO_EXPORT(type)  type
-#  define XBT_PUBLIC_DATA(type)              __declspec(dllexport) type
+#  define XBT_PUBLIC_DATA(type)        __declspec(dllexport) type
 
 /* Pack everything up statically */
 #elif defined(DLL_STATIC)
@@ -170,10 +182,10 @@
 
 /* Link against the DLL */
 #elif (defined(_XBT_WIN32) && !defined(DLL_EXPORT) && !defined(DLL_STATIC))
-#  define XBT_PUBLIC(type)             __declspec(dllimport) type
-#  define XBT_EXPORT_NO_IMPORT(type)   type
-#  define XBT_IMPORT_NO_EXPORT(type)   __declspec(dllimport) type
-#  define XBT_PUBLIC_DATA(type)                __declspec(dllimport) type
+#  define XBT_PUBLIC(type)              __declspec(dllimport) type
+#  define XBT_EXPORT_NO_IMPORT(type)    type
+#  define XBT_IMPORT_NO_EXPORT(type)    __declspec(dllimport) type
+#  define XBT_PUBLIC_DATA(type)    __declspec(dllimport) type
 
 /* UNIX build */
 #else
@@ -184,16 +196,15 @@
 #endif
 
 #if !defined (max) && !defined(__cplusplus)
-#  define max(a,b)     (((a) > (b)) ? (a) : (b))
+#  define max(a,b)  (((a) > (b)) ? (a) : (b))
 #endif
 #if !defined (min) && !defined(__cplusplus)
-#  define min(a,b)     (((a) < (b)) ? (a) : (b))
+#  define min(a,b)  (((a) < (b)) ? (a) : (b))
 #endif
 
 #define TRUE  1
 #define FALSE 0
 
-#define XBT_MAX_CHANNEL 10      /* FIXME: killme */
 /*! C++ users need love */
 #ifndef SG_BEGIN_DECL
 # ifdef __cplusplus