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authorPaul Smith <psmith@gnu.org>2005-10-24 13:01:39 +0000
committerPaul Smith <psmith@gnu.org>2005-10-24 13:01:39 +0000
commit11095a90f120545c915c92b8ebf48f04723d1837 (patch)
tree73dba88903ea90cdac930057fe8619a8a04fb869 /tests/scripts/variables/automatic
parent66459baee27374577d32a78564604ad64228f71d (diff)
downloadgunmake-11095a90f120545c915c92b8ebf48f04723d1837.tar.gz
Make second expansion optional (partial implementation).
I decided this feature was too impacting to make the permanent default behavior. This set of changes makes the default behavior of make the old behavior (no second expansion). If you want second expansion, you must define the .SECONDEXPANSION: special target before the first target that needs it. This set of changes ONLY fixes explicit and static pattern rules to work like this. Implicit rules still have second expansion enabled all the time: I'll work on that next. Note that there is still a backward-incompatibility: now to get the old SysV behavior using $$@ etc. in the prerequisites list you need to set .SECONDEXPANSION: as well.
Diffstat (limited to 'tests/scripts/variables/automatic')
-rw-r--r--tests/scripts/variables/automatic7
1 files changed, 4 insertions, 3 deletions
diff --git a/tests/scripts/variables/automatic b/tests/scripts/variables/automatic
index 484cd16..dc08bd7 100644
--- a/tests/scripts/variables/automatic
+++ b/tests/scripts/variables/automatic
@@ -27,7 +27,7 @@ $(dir)/bar.y baz.z : ; touch $@
EOF
close(MAKEFILE);
-# TEST #1 -- simple test
+# TEST #0 -- simple test
# -------
# Touch these into the past
@@ -46,7 +46,7 @@ touch $dir/foo.x\n";
unlink(qw(foo.x bar.y baz.z));
-# TEST #2 -- test the SysV emulation of $$@ etc.
+# TEST #1 -- test the SysV emulation of $$@ etc.
# -------
$makefile2 = &get_tmpfile;
@@ -54,6 +54,7 @@ $makefile2 = &get_tmpfile;
open(MAKEFILE, "> $makefile2");
print MAKEFILE "dir = $dir\n";
print MAKEFILE <<'EOF';
+.SECONDEXPANSION:
.SUFFIXES:
.DEFAULT: ; @echo '$@'
@@ -78,7 +79,7 @@ $answer = ".x\n$dir/x.z.x\nx\n\$@.x\n$dir.x\nx.z.x\n.y\n$dir/y.z.y\n\y\n\$@.y\n$
$answer = "$dir/biz.x\n$dir.x\nbiz.x\n";
&compare_output($answer, &get_logfile(1));
-# TEST #3 -- test for Savannah bug #12320.
+# TEST #2 -- test for Savannah bug #12320.
#
run_make_test('
.SUFFIXES: .b .src