cpp.texi (-Wtraditional): Update description.

	* cpp.texi (-Wtraditional): Update description.

	* invoke.texi (-Wtraditional): Likewise.

From-SVN: r41272

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9ff706e653242c26d809a627582aa7080d4ee982..40ca684ba3e029901f7c901a4494dabd90e15d99 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2001-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * cpp.texi (-Wtraditional): Update description.
+
+       * invoke.texi (-Wtraditional): Likewise.
+
 2001-04-11  Jim Wilson  <wilson@redhat.com>
 
        * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument

diff --git a/gcc/cpp.texi b/gcc/cpp.texi
index 316ebbff7bd53c01a60aa01c9ce269104ae15dd6..622e4b51253c76344277e8f7571eee81f99235a4 100644 (file)
--- a/gcc/cpp.texi
+++ b/gcc/cpp.texi
@@ -3339,7 +3339,8 @@ Requests @samp{-Wcomment}, @samp{-Wtrigraphs}, and @samp{-Wwhite-space}
 @item -Wtraditional
 @findex -Wtraditional
 Warn about certain constructs that behave differently in traditional and
-ISO C@.
+ISO C@.  Also warn about ISO C constructs that have no traditional C
+equivalent, and/or problematic constructs which should be avoided.
 
 @itemize @bullet
 @item
@@ -3368,10 +3369,9 @@ The unary plus operator.
 The `U' integer constant suffix.  (Traditonal C does support the `L'
 suffix on integer constants.)  Note, these suffixes appear in macros
 defined in the system headers of most modern systems, e.g. the _MIN/_MAX
-macros in limits.h.  Use of these macros can lead to spurious warnings
-as they do not necessarily reflect whether the code in question is any
-less portable to traditional C given that suitable backup definitions
-are provided.
+macros in limits.h.  Use of these macros in user code might normally
+lead to spurious warnings, however gcc's integrated preprocessor has
+enough context to avoid warning in these cases.
 @end itemize
 
 @item -Wundef

diff --git a/gcc/invoke.texi b/gcc/invoke.texi
index 8ce73e465c48cc75b69f9bbe492fd79fa658feef..595c99071cdd32105efe6d55db862798c43746d2 100644 (file)
--- a/gcc/invoke.texi
+++ b/gcc/invoke.texi
@@ -2055,7 +2055,8 @@ probably mistaken.
 
 @item -Wtraditional (C only)
 Warn about certain constructs that behave differently in traditional and
-ISO C.
+ISO C.  Also warn about ISO C constructs that have no traditional C
+equivalent, and/or problematic constructs which should be avoided.
 
 @itemize @bullet
 @item
@@ -2085,9 +2086,9 @@ The `U' integer constant suffix, or the `F' or `L' floating point
 constant suffixes.  (Traditonal C does support the `L' suffix on integer
 constants.)  Note, these suffixes appear in macros defined in the system
 headers of most modern systems, e.g. the _MIN/_MAX macros in limits.h.
-Use of these macros can lead to spurious warnings as they do not
-necessarily reflect whether the code in question is any less portable to
-traditional C given that suitable backup definitions are provided.
+Use of these macros in user code might normally lead to spurious
+warnings, however gcc's integrated preprocessor has enough context to
+avoid warning in these cases.
 
 @item
 A function declared external in one block and then used after the end of