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[SCM] GNU Autoconf source repository branch, master, updated. v2.63b-33-
From: |
Ralf Wildenhues |
Subject: |
[SCM] GNU Autoconf source repository branch, master, updated. v2.63b-33-gd29bb70 |
Date: |
Wed, 22 Apr 2009 05:35:52 +0000 |
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- Log -----------------------------------------------------------------
commit d29bb704e584a0d6ecd0ddfde0d4a2979fffd950
Author: Ralf Wildenhues <address@hidden>
Date: Wed Apr 22 07:35:12 2009 +0200
Improve description of AC_PROG_CC_C89 and AC_PROG_CC_C99.
* doc/autoconf.texi (C Compiler): Document that AC_PROG_CC_C89
and AC_PROG_CC_C99 prefer extended over strict conformance modes.
Report by Vincent Lefèvre.
Signed-off-by: Ralf Wildenhues <address@hidden>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
doc/autoconf.texi | 6 ++++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 39bc805..0d966d3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-04-22 Ralf Wildenhues <address@hidden>
+
+ Improve description of AC_PROG_CC_C89 and AC_PROG_CC_C99.
+ * doc/autoconf.texi (C Compiler): Document that AC_PROG_CC_C89
+ and AC_PROG_CC_C99 prefer extended over strict conformance modes.
+ Report by Vincent Lefèvre.
+
2009-04-21 Ralf Wildenhues <address@hidden>
Revert bogus change in last commit.
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 461f077..1256095 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -6809,7 +6809,8 @@ set to accept Standard C; if not, the shell variable
If the C compiler is not in @acronym{ANSI} C89 (@acronym{ISO} C90) mode by
default, try to add an option to output variable @code{CC} to make it
so. This macro tries various options that select @acronym{ANSI} C89 on
-some system or another. It considers the compiler to be in
+some system or another, preferring extended functionality modes over
+strict conformance modes. It considers the compiler to be in
@acronym{ANSI} C89 mode if it handles function prototypes correctly.
After calling this macro you can check whether the C compiler has been
@@ -6823,7 +6824,8 @@ This macro is called automatically by @code{AC_PROG_CC}.
@acindex{PROG_CC_C99}
If the C compiler is not in C99 mode by default, try to add an
option to output variable @code{CC} to make it so. This macro tries
-various options that select C99 on some system or another. It
+various options that select C99 on some system or another, preferring
+extended functionality modes over strict conformance modes. It
considers the compiler to be in C99 mode if it handles @code{_Bool},
@code{//} comments, flexible array members, @code{inline}, signed and
unsigned @code{long long int}, mixed code and declarations, named
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