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-rw-r--r--binutils/testsuite/lib/binutils-common.exp19
1 files changed, 19 insertions, 0 deletions
diff --git a/binutils/testsuite/lib/binutils-common.exp b/binutils/testsuite/lib/binutils-common.exp
index 3b229ba..f2efa23 100644
--- a/binutils/testsuite/lib/binutils-common.exp
+++ b/binutils/testsuite/lib/binutils-common.exp
@@ -286,6 +286,10 @@ proc check_shared_lib_support { } {
# REGEXP
# Skip all lines in FILE_1 until the first that matches REGEXP.
#
+# #?REGEXP
+# Optionally match REGEXP against line from FILE_1. If the REGEXP
+# does not match then the next line from FILE_2 is tried.
+#
# Other # lines are comments. Regexp lines starting with the `!' character
# specify inverse matching (use `\!' for literal matching against a leading
# `!'). Skip empty lines in both files.
@@ -372,6 +376,21 @@ proc regexp_diff { file_1 file_2 args } {
}
}
break
+ } elseif { [string match "#\\?*" $line_b] } {
+ if { ! $end_1 } {
+ set line_b [string replace $line_b 0 1]
+ set negated [expr { [string index $line_b 0] == "!" }]
+ set line_bx [string range $line_b $negated end]
+ set n [expr { $negated ? "! " : "" }]
+ # Substitute on the reference.
+ foreach {name value} $ref_subst {
+ regsub -- $name $line_bx $value line_bx
+ }
+ verbose "optional match for $n\"^$line_bx$\"" 3
+ if { [expr [regexp "^$line_bx$" "$line_a"] != $negated] } {
+ break
+ }
+ }
}
if { [gets $file_b line_b] == $eof } {
set end_2 1