MAINT: add a configure check for ftello and fseeko

juliantaylor · juliantaylor · commit a4d1e26c56d2 · 2014-01-14T21:54:37.000+01:00
Works on Ubuntu/Debian, might require lfs macros on some platforms to
succeed, but its also defined by Python.h so it should mostly work.
diff --git a/numpy/core/include/numpy/npy_common.h b/numpy/core/include/numpy/npy_common.h
@@ -74,8 +74,16 @@
         #error Unsupported size for type off_t
     #endif
 #else
+#ifdef HAVE_FSEEKO
     #define npy_fseek fseeko
+#else
+    #define npy_fseek fseek
+#endif
+#ifdef HAVE_FTELLO
     #define npy_ftell ftello
+#else
+    #define npy_ftell ftell
+#endif
     #define npy_lseek lseek
     #define npy_off_t off_t
 
diff --git a/numpy/core/setup_common.py b/numpy/core/setup_common.py
@@ -98,7 +98,7 @@ def check_api_version(apiversion, codegen_dir):
 # replacement implementation. Note that some of these are C99 functions.
 OPTIONAL_STDFUNCS = ["expm1", "log1p", "acosh", "asinh", "atanh",
         "rint", "trunc", "exp2", "log2", "hypot", "atan2", "pow",
-        "copysign", "nextafter"]
+        "copysign", "nextafter", "ftello", "fseeko"]
 
 
 OPTIONAL_HEADERS = [
@@ -129,7 +129,7 @@ def check_api_version(apiversion, codegen_dir):
 
 # Subset of OPTIONAL_STDFUNCS which may alreay have HAVE_* defined by Python.h
 OPTIONAL_STDFUNCS_MAYBE = ["expm1", "log1p", "acosh", "atanh", "asinh", "hypot",
-        "copysign"]
+        "copysign", "ftello", "fseeko"]
 
 # C99 functions: float and long double versions
 C99_FUNCS = ["sin", "cos", "tan", "sinh", "cosh", "tanh", "fabs", "floor",
