use Getopt::Long ();
use Term::ANSIColor ();
+use Text::ParseWords ();
our $VERSION = '0.01';
# Regex to catch (GCC) compiler warnings.
my $warning_regex = qr/^(.+?):([0-9]+):[0-9]+: warning: (.+?) \[(.+?)\]$/;
+# Regex for source files which require preprocessing.
+my $source_preprocess_compile_regex = qr/
+ # C
+ c
+ # Objective-C
+ | m
+ # C++
+ | cc | cp | cxx | cpp | CPP | c\+\+ | C
+ # Objective-C++
+ | mm | M
+ # Fortran
+ | F | FOR | fpp | FPP | FTN | F90 | F95 | F03 | F08
+ /x;
+my $source_preprocess_no_compile_regex = qr/
+ # Assembly
+ s
+ /x;
+my $source_preprocess_regex = qr/
+ $source_preprocess_compile_regex
+ | $source_preprocess_no_compile_regex
+ /x;
+# Regex for source files which don't require preprocessing.
+my $source_no_preprocess_compile_regex = qr/
+ # C
+ i
+ # C++
+ | ii
+ # Objective-C
+ | mi
+ # Objective-C++
+ | mii
+ # Fortran
+ | f | for | ftn | f90 | f95 | f03 | f08
+ /x;
+my $source_no_preprocess_no_compile_regex = qr/
+ # Assembly
+ S | sx
+ /x;
+my $source_no_preprocess_regex = qr/
+ $source_no_preprocess_compile_regex
+ | $source_no_preprocess_no_compile_regex
+ /x;
+# Regex for header files which require preprocessing.
+my $header_preprocess_regex = qr/
+ # C, C++, Objective-C, Objective-C++
+ h
+ # C++
+ | hh | H | hp | hxx | hpp | HPP | h\+\+ | tcc
+ /x;
+# Regexps to match files with the given characteristics.
+my $file_no_preprocess_regex = qr/
+ $cc_regex.+?
+ \.(?: $source_no_preprocess_regex)\b
+ /x;
+my $file_preprocess_regex = qr/
+ $cc_regex.+?
+ \.(?: $header_preprocess_regex
+ | $source_preprocess_regex)\b
+ /x;
+my $file_compile_link_regex = qr/
+ $cc_regex.+?
+ \.(?: $source_preprocess_regex
+ | $source_no_preprocess_regex)\b
+ /x;
+my $file_compile_regex = qr/
+ $cc_regex.+?
+ \.(?: $source_preprocess_compile_regex
+ | $source_no_preprocess_compile_regex)\b
+ /x;
+my $file_no_compile_regex = qr/
+ $cc_regex.+
+ \.(?: $source_preprocess_no_compile_regex
+ | $source_no_preprocess_no_compile_regex)\b
+ /x;
+
# Expected (hardening) flags. All flags are used as regexps.
my @cflags = (
'-g',
}
}
- if (scalar @missing_flags == 0) {
- return 1;
- }
+ return 1 if scalar @missing_flags == 0;
@{$missing_flags_ref} = @missing_flags;
return 0;
my ($line, $next_line, $skip_ref) = @_;
if (not ($line =~ /^checking if you want to see long compiling messages\.\.\. no/
- or $line =~ /^\s*\[?(?:CC|CCLD|CXX|CXXLD|LD)\]?\s+(.+?)$/
+ or $line =~ /^\s*\[?(?:CC|CCLD|CXX|CXXLD|LD|LINK)\]?\s+(.+?)$/
or $line =~ /^\s*(?:C|c)ompiling\s+(.+?)(?:\.\.\.)?$/
or $line =~ /^\s*(?:B|b)uilding (?:program|shared library)\s+(.+?)$/
or $line =~ /^\s*\[[\d ]+%\] Building (?:C|CXX) object (.+?)$/)) {
my $non_verbose = is_non_verbose_build($line);
# One line may contain multiple commands (";"). Treat each one as single
- # line.
- my @line = split /(?<!\\);/, $line;
+ # line. parse_line() is slow, only use it when necessary.
+ my @line = (not $line =~ /;/)
+ ? ($line)
+ : Text::ParseWords::parse_line(';', 1, $line);
foreach $line (@line) {
# Add newline, drop all other whitespace at the end of a line.
$line =~ s/\s+$//;
#
# `./configure` output.
next if not $non_verbose and $line =~ /^checking /;
- next if $line =~ /^\s*(?:C\s+)?
- (?:C|c)ompiler[\s.]*:\s+
+ next if $line =~ /^\s*(?:Host\s+)?(?:C\s+)?
+ (?:C|c)ompiler[\s.]*:?\s+
$cc_regex
(?:\s-std=[a-z0-9:+]+)?\s*$
/x
- or $line =~ /^\s*(?:- )?(?:CC|CXX)\s*=\s*$cc_regex\s*$/
+ or $line =~ /^\s*(?:- )?(?:HOST_)?(?:CC|CXX)\s*=\s*$cc_regex\s*$/
or $line =~ /^\s*-- Check for working (?:C|CXX) compiler: /
or $line =~ /^\s*(?:echo )?Using [A-Z_]+\s*=\s*/;
# Debian buildd output.
# Even if it's a verbose build, we might have to skip this line.
next if $skip;
+ # Skip unnecessary tests when only preprocessing.
+ my $flag_preprocess = 0;
+
+ my $preprocess = 0;
+ my $compile = 0;
+ my $link = 0;
+
+ # Preprocess, compile, assemble.
+ if ($line =~ /$cc_regex.*?\s(-E|-S|-c)\b/) {
+ $preprocess = 1;
+ $flag_preprocess = 1 if $1 eq '-E';
+ $compile = 1 if $1 eq '-S' or $1 eq '-c';
+ # Otherwise assume we are linking.
+ } else {
+ $link = 1;
+ }
- # Is this a compiler or linker command?
- my $compiler = 1;
- my $linker = 0;
-
- # Linker commands.
- if ($line =~ m{\s-o # -o
- [\s\\]*\s+ # possible line continuation
- (?:[/.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
- |\.cgi)? # CGI binary
- (?:\s|\\|$) # end of file name
- }x
- or $line =~ /^libtool: link: /
- or $line =~ m{\s*/bin/bash .+?libtool\s+(.+?\s+)?--mode=(re)?link}) {
- $compiler = 0;
- $linker = 1;
+ # These file types don't require preprocessing.
+ if ($line =~ /$file_no_preprocess_regex/) {
+ $preprocess = 0;
+ }
+ # These file types require preprocessing.
+ if ($line =~ /$file_preprocess_regex/) {
+ $preprocess = 1;
}
# If there are source files then it's compiling/linking in one step and we
- # must check both.
- if ($line =~ /\.(?:c|cc|cpp)\b/) {
- $compiler = 1;
+ # must check both. We only check for source files here, because header
+ # files cause too many false positives.
+ if (not $flag_preprocess and $line =~ /$file_compile_link_regex/) {
+ # Assembly files don't need CFLAGS.
+ if (not $line =~ /$file_compile_regex/
+ and $line =~ /$file_no_compile_regex/) {
+ $compile = 0;
+ # But the rest does.
+ } else {
+ $compile = 1;
+ }
}
# Check hardening flags.
my @missing;
- if ($compiler and not all_flags_used($line, \@missing, @cflags)
+ if ($compile and not all_flags_used($line, \@missing, @cflags)
# Libraries linked with -fPIC don't have to (and can't) be linked
# with -fPIE as well. It's no error if only PIE flags are missing.
and not pic_pie_conflict($line, $harden_pie, \@missing, @cflags_pie)) {
error_flags('CFLAGS missing', \@missing, \%flag_renames, $line);
$exit |= 1 << 3;
}
- if ($compiler and not all_flags_used($line, \@missing, @cppflags)) {
+ if ($preprocess and not all_flags_used($line, \@missing, @cppflags)) {
error_flags('CPPFLAGS missing', \@missing, \%flag_renames, $line);
$exit |= 1 << 3;
}
- if ($linker and not all_flags_used($line, \@missing, @ldflags)
+ if ($link and not all_flags_used($line, \@missing, @ldflags)
# Same here, -fPIC conflicts with -fPIE.
and not pic_pie_conflict($line, $harden_pie, \@missing, @ldflags_pie)) {
error_flags('LDFLAGS missing', \@missing, \%flag_renames, $line);
ruderich.org/simon / blhc / blhc.git / blobdiff