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[SV #38051] Recover all MAKEFLAGS after makefile rebuild step is complete.

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Patch suggested by Frank Heckenbach <f.heckenbach@fh-soft.de>.
This commit is contained in:
Paul Smith 2013-01-13 12:21:01 -05:00
parent ca17e5538f
commit 686a74bfb2
4 changed files with 48 additions and 23 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2013-01-13 Paul Smith <psmith@gnu.org>
* main.c (main): Restore all make flags after re-exec is complete.
Fixes Savannah bug #38051.
2013-01-12 Paul Smith <psmith@gnu.org>
Convert CVS archive to Git.

2
main.c
View file

@ -2150,7 +2150,7 @@ main (int argc, char **argv, char **envp)
/* Reset makeflags in case they were changed. */
{
const char *pv = define_makeflags (1, 1);
const char *pv = define_makeflags (1, 0);
char *p = alloca (CSTRLEN ("MAKEFLAGS=") + strlen (pv) + 1);
sprintf (p, "MAKEFLAGS=%s", pv);
putenv (allocated_variable_expand (p));

5
tests/ChangeLog
View file

@ -1,3 +1,8 @@
2013-01-13 Paul Smith <psmith@gnu.org>
* scripts/options/dash-n: Verify -n is preserved after recursive /
re-exec. See Savannah bug #38051.
2013-01-12 Paul Smith <psmith@gnu.org>
* scripts/features/parallelism: Change rule so it doesn't depend

59
tests/scripts/options/dash-n
View file

@ -3,37 +3,24 @@ $description = "Test the -n option.\n";
$details = "Try various uses of -n and ensure they all give the correct results.\n";
open(MAKEFILE, "> $makefile");
# The Contents of the MAKEFILE ...
print MAKEFILE <<'EOMAKE';
touch('orig');
run_make_test(q!
final: intermediate ; echo >> $@
intermediate: orig ; echo >> $@
EOMAKE
close(MAKEFILE);
&touch('orig');
# TEST 0
&run_make_with_options($makefile, "", &get_logfile);
$answer = "echo >> intermediate\necho >> final\n";
&compare_output($answer, &get_logfile(1));
!,
'', "echo >> intermediate\necho >> final\n");
# TEST 1
&run_make_with_options($makefile, "-Worig -n", &get_logfile);
$answer = "echo >> intermediate\necho >> final\n";
&compare_output($answer, &get_logfile(1));
run_make_test(undef, '-Worig -n', "echo >> intermediate\necho >> final\n");
unlink('orig', 'intermediate', 'final');
rmfiles(qw(orig intermediate final));
# We consider the actual updated timestamp of targets with all
# recursive commands, even with -n.
# recursive commands, even with -n. Switching this to the new model
# is non-trivial because we use a trick below to change the log content
# before we compare it ...
$makefile2 = &get_tmpfile;
@ -82,4 +69,32 @@ close(DASH_N_LOG);
unlink(qw(a b c));
# Ensure -n continues to be included with recursive/re-execed make
# See Savannah bug #38051
$topmake = &get_tmpfile;
$submake = &get_tmpfile;
open(MAKEFILE, "> $topmake");
print MAKEFILE <<"EOF";
foo: ; \@\$(MAKE) -f "$submake" bar
EOF
close(MAKEFILE);
# The bar target should print what would happen, but not actually run
open(MAKEFILE, "> $submake");
print MAKEFILE <<'EOF';
inc: ; touch $@
-include inc
bar: ; @echo $(strip $(MAKEFLAGS))
EOF
close(MAKEFILE);
&run_make_with_options($topmake, '-n --no-print-directory', &get_logfile);
$answer = "$make_path -f \"$submake\" bar\ntouch inc\necho --no-print-directory -n\n";
&compare_output($answer, &get_logfile(1));
unlink('inc');
1;