Only return non-zero exit codes for errors in buildd mode.

[blhc/blhc.git] / bin / blhc

diff --git a/bin/blhc b/bin/blhc
index c3834fbf07aeaec8757b1c6cc3499fbc47ab5bd0..b5dfa6822e55fec0858cd7ed4006dbbf6549143e 100755 (executable)
--- a/bin/blhc
+++ b/bin/blhc
@@ -24,7 +24,7 @@ use warnings;
 use Getopt::Long ();
 use Text::ParseWords ();
 
-our $VERSION = '0.02';
+our $VERSION = '0.03';
 
 
 # CONSTANTS/VARIABLES
@@ -172,9 +172,11 @@ my @def_cxxflags = (
 my @def_cppflags = ();
 my @def_cppflags_fortify = (
     '-D_FORTIFY_SOURCE=2', # must be first, see cppflags_fortify_broken()
+    # If you add another flag fix hack below (search for "Hack to fix").
 );
 my @def_cppflags_fortify_bad = (
     # These flags may overwrite -D_FORTIFY_SOURCE=2.
+    '-U_FORTIFY_SOURCE',
     '-D_FORTIFY_SOURCE=0',
     '-D_FORTIFY_SOURCE=1',
 );
@@ -653,10 +655,10 @@ foreach my $file (@ARGV) {
                 and ($1 eq '2.8.7-1' or $1 eq '2.8.7-2')) {
             if (not $option_buildd) {
                 error_invalid_cmake($1);
+                $exit |= $exit_code{invalid_cmake};
             } else {
-                print "$buildd_tag{invalid_cmake} $1\n";
+                print "$buildd_tag{invalid_cmake}|$1|\n";
             }
-            $exit |= $exit_code{invalid_cmake};
         }
 
         # If hardening wrapper is used (wraps calls to gcc and adds hardening
@@ -665,10 +667,10 @@ foreach my $file (@ARGV) {
                 and $line =~ /\bhardening-wrapper\b/) {
             if (not $option_buildd) {
                 error_hardening_wrapper();
+                $exit |= $exit_code{hardening_wrapper};
             } else {
-                print "$buildd_tag{hardening_wrapper}\n";
+                print "$buildd_tag{hardening_wrapper}||\n";
             }
-            $exit |= $exit_code{hardening_wrapper};
             next FILE;
         }
 
@@ -799,10 +801,10 @@ foreach my $file (@ARGV) {
     if (scalar @input == 0) {
         if (not $option_buildd) {
             print "No compiler commands!\n";
+            $exit |= $exit_code{no_compiler_commands};
         } else {
-            print "$buildd_tag{no_compiler_commands}\n";
+            print "$buildd_tag{no_compiler_commands}||\n";
         }
-        $exit |= $exit_code{no_compiler_commands};
         next FILE;
     }
 
@@ -862,6 +864,13 @@ foreach my $file (@ARGV) {
         @ldflags = (@ldflags, @def_ldflags_bindnow);
     }
 
+    # Hack to fix cppflags_fortify_broken() if --ignore-flag
+    # -D_FORTIFY_SOURCE=2 is used to ignore missing fortification. Only works
+    # as long as @def_cppflags_fortify contains only one variable.
+    if (scalar @def_cppflags_fortify == 0) {
+        $harden_fortify = 0;
+    }
+
     # Ignore flags for this arch if requested.
     if ($arch and exists $option_ignore_arch_flag{$arch}) {
         my @flag_refs = (\@cflags, \@cxxflags, \@cppflags, \@ldflags);
@@ -890,10 +899,10 @@ LINE:
         if (is_non_verbose_build($line, $input[$i + 1], \$skip)) {
             if (not $option_buildd) {
                 error_non_verbose_build($line);
+                $exit |= $exit_code{non_verbose_build};
             } else {
                 $statistics{commands_nonverbose}++;
             }
-            $exit |= $exit_code{non_verbose_build};
             next;
         }
         # Even if it's a verbose build, we might have to skip this line.
@@ -994,10 +1003,10 @@ LINE:
                 and index($line, '`dpkg-buildflags --get CFLAGS`') == -1) {
             if (not $option_buildd) {
                 error_flags('CFLAGS missing', \@missing, \%flag_renames, $input[$i]);
+                $exit |= $exit_code{flags_missing};
             } else {
                 $statistics{compile_missing}++;
             }
-            $exit |= $exit_code{flags_missing};
         } elsif ($compile_cpp and not all_flags_used($line, \@missing, @cflags)
                 # Libraries linked with -fPIC don't have to (and can't) be
                 # linked with -fPIE as well. It's no error if only PIE flags
@@ -1007,10 +1016,10 @@ LINE:
                 and index($line, '`dpkg-buildflags --get CXXFLAGS`') == -1) {
             if (not $option_buildd) {
                 error_flags('CXXFLAGS missing', \@missing, \%flag_renames, $input[$i]);
+                $exit |= $exit_code{flags_missing};
             } else {
                 $statistics{compile_cpp_missing}++;
             }
-            $exit |= $exit_code{flags_missing};
         }
         if ($preprocess
                 and (not all_flags_used($line, \@missing, @cppflags)
@@ -1021,10 +1030,10 @@ LINE:
                 and index($line, '`dpkg-buildflags --get CPPFLAGS`') == -1) {
             if (not $option_buildd) {
                 error_flags('CPPFLAGS missing', \@missing, \%flag_renames, $input[$i]);
+                $exit |= $exit_code{flags_missing};
             } else {
                 $statistics{preprocess_missing}++;
             }
-            $exit |= $exit_code{flags_missing};
         }
         if ($link and not all_flags_used($line, \@missing, @ldflags)
                 # Same here, -fPIC conflicts with -fPIE.
@@ -1033,10 +1042,10 @@ LINE:
                 and index($line, '`dpkg-buildflags --get LDFLAGS`') == -1) {
             if (not $option_buildd) {
                 error_flags('LDFLAGS missing', \@missing, \%flag_renames, $input[$i]);
+                $exit |= $exit_code{flags_missing};
             } else {
                 $statistics{link_missing}++;
             }
-            $exit |= $exit_code{flags_missing};
         }
     }
 }
@@ -1067,11 +1076,11 @@ if ($option_buildd) {
     }
     if (scalar @warning) {
         local $" = ', '; # array join string
-        print "$buildd_tag{flags_missing} @warning missing\n";
+        print "$buildd_tag{flags_missing}|@warning missing|\n";
     }
 
     if ($statistics{commands_nonverbose}) {
-        printf "$buildd_tag{non_verbose_build} %d (of %d) hidden\n",
+        printf "$buildd_tag{non_verbose_build}|%d (of %d) hidden|\n",
                $statistics{commands_nonverbose},
                $statistics{commands},
     }
@@ -1142,6 +1151,10 @@ detected).
 
 Don't require Term::ANSIColor.
 
+=item *
+
+Return exit code 0, unless there was a error.
+
 =back
 
 =item B<--color>