Minor cleanup thanks to Perl::Critic.

diff --git a/bin/blhc b/bin/blhc
index 5e8e0181356613dca5de8afe591ce3ab24a5d684..b57f470ba1de315dfd2687566e784b0b1af8ea2f 100755 (executable)
--- a/bin/blhc
+++ b/bin/blhc
@@ -43,7 +43,7 @@ my $cc_regex_full = qr/
     $cc_regex
     /x;
 # Regex to catch (GCC) compiler warnings.
-my $warning_regex = qr/^(.+?):([0-9]+):[0-9]+: warning: (.+?) \[(.+?)\]$/;
+my $warning_regex = qr/^(.+?):(\d+):\d+: warning: (.+?) \[(.+?)\]$/;
 
 # List of source file extensions which require preprocessing.
 my @source_preprocess_compile_cpp = (
@@ -257,14 +257,14 @@ sub error_flags {
         } @{$missing_flags_ref};
 
     my $flags = join ' ', @missing_flags;
-    printf "%s (%s)%s %s",
+    printf '%s (%s)%s %s',
            error_color($message, 'red'), $flags, error_color(':', 'yellow'),
            $line;
 }
 sub error_non_verbose_build {
     my ($line) = @_;
 
-    printf "%s%s %s",
+    printf '%s%s %s',
            error_color('NONVERBOSE BUILD', 'red'),
            error_color(':', 'yellow'),
            $line;
@@ -345,8 +345,8 @@ sub is_non_verbose_build {
 
     if (not (index($line, 'checking if you want to see long compiling messages... no') == 0
                 or $line =~ /^\s*\[?(?:CC|CCLD|C\+\+|CXX|CXXLD|LD|LINK)\]?\s+(.+?)$/
-                or $line =~ /^\s*(?:C|c)ompiling\s+(.+?)(?:\.\.\.)?$/
-                or $line =~ /^\s*(?:B|b)uilding (?:program|shared library)\s+(.+?)$/
+                or $line =~ /^\s*[Cc]ompiling\s+(.+?)(?:\.\.\.)?$/
+                or $line =~ /^\s*[Bb]uilding (?:program|shared library)\s+(.+?)$/
                 or $line =~ /^\s*\[[\d ]+%\] Building (?:C|CXX) object (.+?)$/)) {
         return 0;
     }
@@ -356,7 +356,7 @@ sub is_non_verbose_build {
     # C++ compiler setting.
     return 0 if $line =~ /^\s*C\+\+.+?:\s+(?:yes|no)\s*$/;
     # "Compiling" with no file name.
-    if ($line =~ /^\s*(?:C|c)ompiling\s+(.+?)(?:\.\.\.)?$/) {
+    if ($line =~ /^\s*[Cc]ompiling\s+(.+?)(?:\.\.\.)?$/) {
         # $file_extension_regex may need spaces around the filename.
         return 0 if not " $1 " =~ /$file_extension_regex/o;
     }
@@ -644,7 +644,7 @@ foreach my $file (@ARGV) {
                        $_ =~ s/\s+$//;
                        $_ .= "\n";
                    } Text::ParseWords::parse_line(';', 1, $line);
-        foreach $line (@line) {
+        foreach my $line (@line) {
             if ($continuation) {
                 $continuation = 0;
 
@@ -683,9 +683,9 @@ foreach my $file (@ARGV) {
             #
             # `./configure` output.
             next if not $non_verbose
-                    and $line =~ /^(?:checking|(?:C|c)onfigure:) /;
+                    and $line =~ /^(?:checking|[Cc]onfigure:) /;
             next if $line =~ /^\s*(?:Host\s+)?(?:C(?:\+\+)?\s+)?
-                                (?:C|c)ompiler[\s.]*:?\s+
+                                [Cc]ompiler[\s.]*:?\s+
                                 /xo;
             next if $line =~ /^\s*(?:- )?(?:HOST_)?(?:CC|CXX)\s*=\s*$cc_regex_full\s*$/o;
 
@@ -698,7 +698,7 @@ foreach my $file (@ARGV) {
         }
     }
 
-    close $fh;
+    close $fh or die $!;
 
     # Ignore arch if requested.
     if (scalar @option_ignore_arch > 0 and $arch) {
@@ -941,22 +941,22 @@ if ($option_buildd) {
     my @warning;
 
     if ($statistics{preprocess_missing}) {
-        push @warning, sprintf "CPPFLAGS %d (of %d)",
+        push @warning, sprintf 'CPPFLAGS %d (of %d)',
                                $statistics{preprocess_missing},
                                $statistics{preprocess};
     }
     if ($statistics{compile_missing}) {
-        push @warning, sprintf "CFLAGS %d (of %d)",
+        push @warning, sprintf 'CFLAGS %d (of %d)',
                                $statistics{compile_missing},
                                $statistics{compile};
     }
     if ($statistics{compile_cpp_missing}) {
-        push @warning, sprintf "CXXFLAGS %d (of %d)",
+        push @warning, sprintf 'CXXFLAGS %d (of %d)',
                                $statistics{compile_cpp_missing},
                                $statistics{compile_cpp};
     }
     if ($statistics{link_missing}) {
-        push @warning, sprintf "LDFLAGS %d (of %d)",
+        push @warning, sprintf 'LDFLAGS %d (of %d)',
                                $statistics{link_missing},
                                $statistics{link};
     }