Handle another configure false positive.

[blhc/blhc.git] / bin / blhc

diff --git a/bin/blhc b/bin/blhc
index 38ca653cd655b8dd6209df0229fdf86e1754edc6..1d1fc27d6d2a5cdbe613de7c37cdf04105243f1f 100755 (executable)
--- a/bin/blhc
+++ b/bin/blhc
@@ -266,6 +266,7 @@ my @input = ();
 
 my $start = 0;
 my $continuation = 0;
+my $complete_line = undef;
 while (my $line = <>) {
     # We skip over unimportant lines at the beginning to prevent false
     # positives.
@@ -297,10 +298,26 @@ while (my $line = <>) {
 
             # Join lines, but leave the "\" in place so it's clear where the
             # original line break was.
-            chomp $input[-1];
-            $input[-1] .= ' ' . $line;
+            chomp $complete_line;
+            $complete_line .= ' ' . $line;
+        }
+        # Line continuation, line ends with "\".
+        if ($line =~ /\\\s*$/) {
+            $continuation = 1;
+            # Start line continuation.
+            if (not defined $complete_line) {
+                $complete_line = $line;
+            }
+            next;
+        }
+
+        if (not $continuation) {
+            # Use the complete line if a line continuation occurred.
+            if (defined $complete_line) {
+                $line = $complete_line;
+                $complete_line = undef;
+            }
 
-        } else {
             # Ignore lines with no compiler commands.
             next if $line !~ /\b$cc_regex(?:\s|\\)/ and not $non_verbose;
 
@@ -308,14 +325,13 @@ while (my $line = <>) {
             #
             # `./configure` output.
             next if not $non_verbose and $line =~ /^checking /;
+            next if $line =~ /^\s*(?:C|c)ompiler[\s.]*:\s+$cc_regex(?:\s-std=[a-z0-9:+]+)?\s*$/
+                    or $line =~ /^\s*(?:- )?(?:CC|CXX)\s*=\s*$cc_regex\s*$/
+                    or $line =~ /^\s*-- Check for working (?:C|CXX) compiler: /
+                    or $line =~ /^\s*(?:echo )?Using [A-Z_]+\s*=\s*/;
 
             push @input, $line;
         }
-
-        # Line continuation, line ends with "\".
-        if ($line =~ /\\\s*$/) {
-            $continuation = 1;
-        }
     }
 }
 
@@ -387,12 +403,6 @@ for (my $i = 0; $i < scalar @input; $i++) {
     # Even if it's a verbose build, we might have to skip this line.
     next if $skip;
 
-    # Ignore false positives.
-    #
-    # ./configure summary.
-    next if $line =~ /^\s*(?:C|c)ompiler[\s.]*:\s+$cc_regex(?:\s-std=[a-z0-9:+]+)?\s*$/
-            or $line =~ /^\s*- (?:CC|CXX)\s*=\s*$cc_regex\s*$/
-            or $line =~ /^\s*-- Check for working (?:C|CXX) compiler: /;
 
     # Is this a compiler or linker command?
     my $compiler = 1;
@@ -404,7 +414,8 @@ for (my $i = 0; $i < scalar @input; $i++) {
                    (?:[/.A-Za-z0-9~_-]+/)?     # path to file
                         [A-Za-z0-9~_-]+        # binary name (no dots!)
                    (?:[0-9.]*\.so[0-9.]*[a-z]? # library (including version)
-                    |\.la)?
+                    |\.la
+                    |\.cgi)?                   # CGI binary
                    (?:\s|\\|$)                 # end of file name
                   }x
             or $line =~ /^libtool: link: /