test harness: improve catching of usage errors in script 'test-driver'

[platform/upstream/automake.git] / doc / automake.texi

diff --git a/doc/automake.texi b/doc/automake.texi
index b7ae709..8f4020b 100644 (file)
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -3996,10 +3996,11 @@ choose the assembler for you (by default the C compiler) and set
 
 @item AM_PROG_CC_C_O
 @acindex AM_PROG_CC_C_O
-@acindex AC_PROG_CC_C_O
-This is an @emph{obsolete wrapper} around @code{AC_PROG_CC_C_O}.
-New code needs not use this macro.  It might be deprecated and
-@emph{retired in future Automake versions}.
+This is an obsolescent macro that checks that the C compiler supports
+the @option{-c} and @option{-o} options together.  Note that, since
+Automake 1.14, the @code{AC_PROG_CC} is rewritten to implement such
+checks itself, and thus the explicit use of @code{AM_PROG_CC_C_O}
+should no longer be required.
 
 @item AM_PROG_LEX
 @acindex AM_PROG_LEX
@@ -4070,13 +4071,6 @@ Invocation, , Using @command{autoupdate} to Modernize
 
 @table @code
 
-@item AM_PROG_CC_C_O
-@acindex AM_PROG_CC_C_O
-@acindex AC_PROG_CC_C_O
-This is an @emph{obsolete wrapper} around @code{AC_PROG_CC_C_O}.  New
-code needs not to use this macro.  It will be deprecated, and then
-removed, in future Automake versions.
-
 @item AM_PROG_MKDIR_P
 @acindex AM_PROG_MKDIR_P
 @cindex @code{mkdir -p}, macro check
@@ -4094,8 +4088,8 @@ the output variable @code{MKDIR_P} instead.  In case you are still
 using the @code{AM_PROG_MKDIR_P} macro in your @file{configure.ac},
 or its provided variable @code{$(mkdir_p)} in your @file{Makefile.am},
 you are advised to switch ASAP to the more modern Autoconf-provided
-interface instead; both the macro and the variable @emph{will be
-removed} in the next major Automake release.
+interface instead; both the macro and the variable might be removed
+in a future major Automake release.
 
 @end table