gcc/fortran/

[pf3gnuchains/gcc-fork.git] / gcc / fortran / lang.opt

diff --git a/gcc/fortran/lang.opt b/gcc/fortran/lang.opt
index 593e3f1..d1ca5f0 100644 (file)
--- a/gcc/fortran/lang.opt
+++ b/gcc/fortran/lang.opt
@@ -1,5 +1,5 @@
 ; Options for the Fortran 95 front end.
-; Copyright (C) 2003 Free Software Foundation, Inc.
+; Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
 ;
 ; This file is part of GCC.
 ;
@@ -18,7 +18,7 @@
 ; Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 ; 02111-1307, USA.
 
-; See c.opt for a description of this file's format.
+; See the GCC internals manual for a description of this file's format.
 
 ; Please try to keep this file in ASCII collating order.
 
@@ -53,17 +53,33 @@ Wline-truncation
 F95
 Warn about truncated source lines
 
+Wnonstd-intrinsics
+F95
+Warn about usage of non-standard intrinsics
+
 Wsurprising
 F95
 Warn about \"suspicious\" constructs
 
+Wunderflow
+F95
+Warn about underflow of numerical constant expressions
+
 Wunused-labels
 F95
 Warn when a label is unused
 
-d8
-F95 RejectNegative
-Set the default real and integer kinds to double precision
+fdefault-double-8
+F95
+Set the default double precision kind to an 8 byte wide type
+
+fdefault-integer-8
+F95
+Set the default integer kind to an 8 byte wide type
+
+fdefault-real-8
+F95
+Set the default real kind to an 8 byte wide type
 
 fdollar-ok
 F95
@@ -73,6 +89,10 @@ fdump-parse-tree
 F95
 Display the code tree after parsing.
 
+ff2c
+F95
+Use f2c calling convention.
+
 ffixed-form
 F95
 Assume that the source file is fixed form
@@ -93,13 +113,13 @@ fimplicit-none
 F95
 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
 
-ffixed-line-length-80
+ffixed-line-length-none
 F95 RejectNegative
-Use 80 character line width in fixed mode
+Allow arbitrary character line width in fixed mode
 
-ffixed-line-length-132
-F95 RejectNegative
-Use 132 character line width in fixed mode
+ffixed-line-length-
+F95 RejectNegative Joined UInteger
+-ffixed-line-length-<n>                Use n as character line width in fixed mode
 
 fmax-identifier-length=
 F95 RejectNegative Joined UInteger
@@ -125,18 +145,10 @@ frepack-arrays
 F95
 Copy array sections into a contiguous block on procedure entry
 
-i8
-F95
-Set the default integer kind to double precision
-
 qkind=
 F95 RejectNegative Joined UInteger
 -qkind=<n>     Set the kind for a real with the 'q' exponent to 'n'
 
-r8
-F95
-Set the default real kind to double precision
-
 std=f95
 F95
 Conform to the ISO Fortran 95 standard.