[Automake-commit] [SCM] GNU Automake branch, master, updated. v1.11-46-gc18b90a

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit c18b90acae69f7b3791d9f26e33298cd28782ed0
Merge: c1ff56d0a9801ee70533b7f92e09260f341974ca 
f3b4702d409996fe7437a1815adda9782be7e4bf
Author: Ralf Wildenhues <address@hidden>
Date:   Sun Oct 11 13:47:15 2009 +0200

    Merge branch 'maint'

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                          |   56 ++++++++++++++++++++++++++++++++++++
 THANKS                             |    1 +
 doc/automake.texi                  |   20 ++++++++++--
 lib/Automake/Makefile.am           |    3 +-
 lib/Automake/Makefile.in           |    4 ++-
 lib/Automake/Variable.pm           |    5 ++-
 tests/Makefile.am                  |   12 ++++++-
 tests/Makefile.in                  |   12 ++++++-
 tests/{cond23.test => cond44.test} |   13 +++++---
 tests/{cond24.test => cond45.test} |   13 +++++---
 tests/defs.in                      |   15 ++++-----
 11 files changed, 124 insertions(+), 30 deletions(-)
 copy tests/{cond23.test => cond44.test} (71%)
 copy tests/{cond24.test => cond45.test} (72%)

diff --git a/ChangeLog b/ChangeLog
index b54cf75..3286548 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,59 @@
+2009-10-11  Ralf Wildenhues  <address@hidden>
+
+       Improve description of the various *LINK variables.
+       * doc/automake.texi (Program and Library Variables): _LINK also
+       receives libraries to link against.  _LINK may be generated.
+       (Program Variables): Document reasons when per-target _LINK is
+       used instead of LINK.
+       (How the Linker is Chosen): Document how a per-target _LINK
+       variable and per-target link flags override linker selection.
+       * THANKS: Update.
+       Report by Dave Korn against gcc/libstdc++-v3.
+
+       Allow variable override of, rather than by, silent variables.
+       When overriding variables, check the VAR_SILENT status of the
+       old condition, not the new one: we allow non-silent overrides
+       of silent variables (these do not hit ordering bugs in the
+       automake output), but there is no use case for doing so the
+       other way round.  Fixes conditional overrides of variables
+       annotated AM_SUBST_NOTMAKE in configure.ac.
+       * lib/Automake/Variable.pm (_check_ambiguous_condition): Check
+       for VAR_SILENT in $ambig_cond not $cond.
+       * tests/cond44.test, tests/cond45.test: New tests, analogous to
+       cond23.test and cond24.test.
+       * tests/Makefile.am: Update.
+       Spotted originally in binutils/bfd.
+
+       Fix `make clean check' for the Automake package.
+       * lib/Automake/Makefile.am (SUBDIRS): Add `.' before `tests',
+       so that Config.pm is built first.
+
+       Fix in-tree `recheck' after failed test that runs `check'.
+       If a test like pr401b-p.test fails for some reason, a `make
+       recheck' would cause another reason for failure because it sets
+       AM_MAKEFLAGS which gets propagated into the test and causes its
+       `make check' to fail.
+       * tests/defs.in: Also unset AM_MAKEFLAGS.
+
+2009-10-11  Stefano Lattarini  <address@hidden>
+
+       Updated code enabling Bourne-compatibility in test scripts.
+       * tests/defs.in: updated the code enabling Bourne-compatibility
+       mode in the shell (now it's copied from autoconf 2.64).
+
+       Avoid leaking TEST_LOG_COMPILER in environment of test scripts.
+       * tests/defs.in: Unset variable `TEST_LOG_COMPILER'.
+
+2009-10-07  Stefano Lattarini  <address@hidden>
+
+       Testsuite: do not use `chmod -R' when cleaning up.
+       * tests/Makefile.am (clean-local-check): Do not use `chmod -R' on
+       the test directories, as that may change or try to change the mode
+       of installed files: the test directory may contain symlinks to
+       ltmain.sh files from a Libtool installation, and Solaris `chmod -R'
+       touches symlink targets.  Instead, use the cleanup strategy used
+       in distdir.am (which is also employed in tests/defs.in).
+
 2009-10-06  Bruno Haible  <address@hidden>
            Ralf Wildenhues  <address@hidden>
 
diff --git a/THANKS b/THANKS
index 54615be..71f3fae 100644
--- a/THANKS
+++ b/THANKS
@@ -66,6 +66,7 @@ Daniel Kahn Gillmor   address@hidden
 Daniel Richard G.      address@hidden
 Debarshi Ray           address@hidden
 Dave Brolley           address@hidden
+Dave Korn              address@hidden
 Dave Morrison          address@hidden
 David A. Swierczek     address@hidden
 David Byron            address@hidden
diff --git a/doc/automake.texi b/doc/automake.texi
index 4229dc0..dc1c4c7 100644
--- a/doc/automake.texi
+++ b/doc/automake.texi
@@ -5612,14 +5612,20 @@ You can override the linker on a per-program basis.  By 
default the
 linker is chosen according to the languages used by the program.  For
 instance, a program that includes C++ source code would use the C++
 compiler to link.  The @code{_LINK} variable must hold the name of a
-command that can be passed all the @file{.o} file names as arguments.
-Note that the name of the underlying program is @emph{not} passed to
address@hidden; typically one uses @samp{$@@}:
+command that can be passed all the @file{.o} file names and libraries
+to link against as arguments.  Note that the name of the underlying
+program is @emph{not} passed to @code{_LINK}; typically one uses
address@hidden@@}:
 
 @example
 maude_LINK = $(CCLD) -magic -o $@@
 @end example
 
+If a @code{_LINK} variable is not supplied, it may still be generated
+and used by Automake due to the use of per-target link flags such as
address@hidden, @code{_LDFLAGS} or @code{_LIBTOOLFLAGS}, in cases where
+they apply.
+
 @item maude_CCASFLAGS
 @itemx maude_CFLAGS
 @itemx maude_CPPFLAGS
@@ -5981,7 +5987,9 @@ preference to the per-executable (or per-library) 
@code{_LDFLAGS}.
 This is the command used to actually link a C program.  It already
 includes @samp{-o $@@} and the usual variable references (for instance,
 @code{CFLAGS}); it takes as ``arguments'' the names of the object files
-and libraries to link in.
+and libraries to link in.  This variable is not used when the linker is
+overridden with a per-target @code{_LINK} variable or per-target flags
+cause Automake to define such a @code{_LINK} variable.
 @end vtable
 
 
@@ -6496,6 +6504,10 @@ library written in another language and would like to 
set the linker
 more appropriately.  @xref{Libtool Convenience Libraries}, for a
 trick with @address@hidden
 
+A per-target @code{_LINK} variable will override the above selection.
+Per-target link flags will cause Automake to write a per-target
address@hidden variable according to the language chosen as above.
+
 
 @node Fortran 9x Support
 @comment  node-name,  next,  previous,  up
diff --git a/lib/Automake/Makefile.am b/lib/Automake/Makefile.am
index 4399644..b4f5fbd 100644
--- a/lib/Automake/Makefile.am
+++ b/lib/Automake/Makefile.am
@@ -15,7 +15,8 @@
 ## You should have received a copy of the GNU General Public License
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-SUBDIRS = tests
+# `make clean check' should build Config.pm first.
+SUBDIRS = . tests
 
 perllibdir = $(pkgvdatadir)/Automake
 dist_perllib_DATA = \
diff --git a/lib/Automake/Makefile.in b/lib/Automake/Makefile.in
index 9717941..8f4ec8a 100644
--- a/lib/Automake/Makefile.in
+++ b/lib/Automake/Makefile.in
@@ -213,7 +213,9 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-SUBDIRS = tests
+
+# `make clean check' should build Config.pm first.
+SUBDIRS = . tests
 perllibdir = $(pkgvdatadir)/Automake
 dist_perllib_DATA = \
   ChannelDefs.pm \
diff --git a/lib/Automake/Variable.pm b/lib/Automake/Variable.pm
index 1e24bb2..f0c867f 100644
--- a/lib/Automake/Variable.pm
+++ b/lib/Automake/Variable.pm
@@ -466,8 +466,9 @@ sub _check_ambiguous_condition ($$$)
   my $var = $self->name;
   my ($message, $ambig_cond) = $self->conditions->ambiguous_p ($var, $cond);
 
-  # We allow silent variables to be overridden silently.
-  my $def = $self->def ($cond);
+  # We allow silent variables to be overridden silently,
+  # by either silent or non-silent variables.
+  my $def = $self->def ($ambig_cond);
   if ($message && !($def && $def->pretty == VAR_SILENT))
     {
       msg 'syntax', $where, "$message ...", partial => 1;
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 6f3c6f4..200f1a5 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -185,6 +185,8 @@ cond40.test \
 cond41.test \
 cond42.test \
 cond43.test \
+cond44.test \
+cond45.test \
 condd.test \
 condhook.test \
 condinc.test \
@@ -749,5 +751,11 @@ check_SCRIPTS = defs defs-p aclocal-$(APIVERSION) 
automake-$(APIVERSION)
 clean-local: clean-local-check
 .PHONY: clean-local-check
 clean-local-check:
-       -chmod -R u+rwx *.dir
-       -rm -rf defs-p *.dir
+       -set x *.dir; shift; \
+        if test "$$#,$$1" = "1,*.dir"; then \
+          : there is no test directory to clean; \
+        else \
+          find "$$@" -type d '!' -perm -200 -exec chmod u+w {} ';'; \
+          rm -rf "$$@"; \
+        fi;
+       -rm -f defs-p
diff --git a/tests/Makefile.in b/tests/Makefile.in
index a4e0491..8a3eff2 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -426,6 +426,8 @@ cond40.test \
 cond41.test \
 cond42.test \
 cond43.test \
+cond44.test \
+cond45.test \
 condd.test \
 condhook.test \
 condinc.test \
@@ -1351,8 +1353,14 @@ defs-p: defs Makefile.am
 clean-local: clean-local-check
 .PHONY: clean-local-check
 clean-local-check:
-       -chmod -R u+rwx *.dir
-       -rm -rf defs-p *.dir
+       -set x *.dir; shift; \
+        if test "$$#,$$1" = "1,*.dir"; then \
+          : there is no test directory to clean; \
+        else \
+          find "$$@" -type d '!' -perm -200 -exec chmod u+w {} ';'; \
+          rm -rf "$$@"; \
+        fi;
+       -rm -f defs-p
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/tests/cond23.test b/tests/cond44.test
similarity index 71%
copy from tests/cond23.test
copy to tests/cond44.test
index 4ec596d..ac907f1 100755
--- a/tests/cond23.test
+++ b/tests/cond44.test
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright (C) 2002, 2003  Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2009 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -14,8 +14,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Check that conditional redefinitions of AC_SUBST'ed variables are detected.
-# Report from Patrik Weiskircher
+# Check that redefinitions of AC_SUBST'ed AM_SUBST_NOTMAKE'd variables
+# are not diagnosed.  See cond23.test.
 
 . ./defs
 
@@ -23,6 +23,7 @@ set -e
 
 cat >>configure.in <<EOF
 AM_CONDITIONAL([COND], [true])
+AM_SUBST_NOTMAKE([libdir])
 AC_OUTPUT
 EOF
 
@@ -33,5 +34,7 @@ endif
 EOF
 
 $ACLOCAL
-AUTOMAKE_fails
-grep 'libdir was already defined' stderr
+AUTOMAKE_run 0
+grep 'libdir was already defined' stderr && Exit 1
+grep '^libdir = ' Makefile.in && Exit 1
+Exit 0
diff --git a/tests/cond24.test b/tests/cond45.test
similarity index 72%
copy from tests/cond24.test
copy to tests/cond45.test
index 6f76e4d..57dd339 100755
--- a/tests/cond24.test
+++ b/tests/cond45.test
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright (C) 2002, 2003  Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2009 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -14,8 +14,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Check that conditional redefinitions of AC_SUBST'ed variables are detected.
-# Report from Patrik Weiskircher
+# Check that redefinitions of AC_SUBST'ed AM_SUBST_NOTMAKE'd variables
+# are not diagnosed.  See cond24.test.
 
 . ./defs
 
@@ -23,6 +23,7 @@ set -e
 
 cat >>configure.in <<EOF
 AC_SUBST([foo], [bar])
+AM_SUBST_NOTMAKE([foo])
 AM_CONDITIONAL([COND], [true])
 AC_OUTPUT
 EOF
@@ -34,5 +35,7 @@ endif
 EOF
 
 $ACLOCAL
-AUTOMAKE_fails
-grep 'foo was already defined' stderr
+AUTOMAKE_run 0
+grep 'foo was already defined' stderr && Exit 1
+grep '^foo =' Makefile.in && Exit 1
+Exit 0
diff --git a/tests/defs.in b/tests/defs.in
index 61182b6..ecdf069 100644
--- a/tests/defs.in
+++ b/tests/defs.in
@@ -20,19 +20,19 @@
 # Defines for Automake testing environment.
 # Tom Tromey <address@hidden>
 
-# Be Bourne compatible.
-# (Snippet copied from configure's initialization in Autoconf 2.59c.)
+# Be more Bourne compatible.
+# (Snippet copied from configure's initialization in Autoconf 2.64)
+DUALCASE=1; export DUALCASE # for MKS sh
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
+  setopt NO_GLOB_SUBST
 else
   case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac
 fi
-BIN_SH=xpg4; export BIN_SH # for Tru64
-DUALCASE=1; export DUALCASE # for MKS sh
 
 # Ensure we are running from the right directory.
 test -f ./defs || {
@@ -297,9 +297,7 @@ END
 # recursively invoked sub-make.  Any $MAKE invocation in a test is
 # conceptually an independent invocation, not part of the main
 # 'automake' build.
-unset MFLAGS
-unset MAKEFLAGS
-unset MAKELEVEL
+unset MFLAGS MAKEFLAGS MAKELEVEL AM_MAKEFLAGS
 # Unset verbosity flag.
 unset V
 # Also unset variables that will let `make -e install' divert
@@ -314,6 +312,7 @@ unset oldincludedir pdfdir psdir sbindir sharedstatedir 
sysconfdir
 # backward-compatible behavior.
 unset DISABLE_HARD_ERRORS
 unset TESTS
+unset TEST_LOG_COMPILER
 unset TEST_LOGS
 unset RECHECK_LOGS
 unset VERBOSE


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