forked from OSchip/llvm-project
scan-build/ccc-analyzer: start analyzing C++ FTW.
llvm-svn: 91398
This commit is contained in:
Ted Kremenek
parent
4ea24f19f5
commit
f65a0c6768
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@ -14,14 +14,38 @@
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use strict;
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use warnings;
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use FindBin;
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use Cwd qw/ getcwd abs_path /;
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use File::Temp qw/ tempfile /;
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use File::Path qw / mkpath /;
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use File::Basename;
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use Text::ParseWords;
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my $CC = $ENV{'CCC_CC'};
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if (!defined $CC) { $CC = "gcc"; }
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##===----------------------------------------------------------------------===##
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# Compiler command setup.
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##===----------------------------------------------------------------------===##
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my $Compiler;
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my $Clang;
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if ($FindBin::Script =~ /c\+\+-analyzer/) {
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$Compiler = $ENV{'CCC_CXX'};
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if (!defined $Compiler) { $Compiler = "g++"; }
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$Clang = $ENV{'CLANG_CXX'};
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if (!defined $Clang) { $Clang = 'clang++'; }
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}
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else {
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$Compiler = $ENV{'CCC_CC'};
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if (!defined $Compiler) { $Compiler = "gcc"; }
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$Clang = $ENV{'CLANG'};
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if (!defined $Clang) { $Clang = 'clang'; }
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}
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##===----------------------------------------------------------------------===##
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# Cleanup.
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##===----------------------------------------------------------------------===##
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my $ReportFailures = $ENV{'CCC_REPORT_FAILURES'};
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if (!defined $ReportFailures) { $ReportFailures = 1; }
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@ -79,7 +103,7 @@ sub ProcessClangFailure {
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print OUT "@$Args\n";
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close OUT;
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`uname -a >> $PPFile.info.txt 2>&1`;
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`$CC -v >> $PPFile.info.txt 2>&1`;
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`$Compiler -v >> $PPFile.info.txt 2>&1`;
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system 'mv',$ofile,"$PPFile.stderr.txt";
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return (basename $PPFile);
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}
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@ -88,10 +112,6 @@ sub ProcessClangFailure {
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# Running the analyzer.
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##----------------------------------------------------------------------------##
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# Determine what clang executable to use.
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my $Clang = $ENV{'CLANG'};
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if (!defined $Clang) { $Clang = 'clang'; }
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sub GetCCArgs {
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my $Args = shift;
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@ -134,9 +154,6 @@ sub Analyze {
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$Args = GetCCArgs($Args);
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# Skip anything related to C++.
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return if ($Lang =~ /c[+][+]/);
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my $RunAnalyzer = 0;
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my $Cmd;
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my @CmdArgs;
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@ -361,7 +378,9 @@ my %UniqueOptions = (
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my %LangsAccepted = (
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"objective-c" => 1,
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"c" => 1
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"c" => 1,
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"c++" => 1,
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"objective-c++" => 1
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);
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##----------------------------------------------------------------------------##
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@ -377,7 +396,7 @@ my $Output;
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my %Uniqued;
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# Forward arguments to gcc.
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my $Status = system($CC,@ARGV);
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my $Status = system($Compiler,@ARGV);
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if ($Status) { exit($Status >> 8); }
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# Get the analysis options.
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@ -26,7 +26,6 @@ my $Verbose = 0; # Verbose output from this script.
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my $Prog = "scan-build";
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my $BuildName;
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my $BuildDate;
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my $CXX; # Leave undefined initially.
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my $TERM = $ENV{'TERM'};
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my $UseColor = (defined $TERM and $TERM eq 'xterm-color' and -t STDOUT
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@ -83,13 +82,17 @@ sub DieDiag {
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# Find 'clang'
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my $ClangSB = Cwd::realpath("$RealBin/bin/clang");
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my $ClangCXXSB;
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if (!defined $ClangSB || ! -x $ClangSB) {
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$ClangSB = Cwd::realpath("$RealBin/clang");
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if (defined $ClangSB) { $ClangCXXSB = $ClangSB . "++"; }
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}
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my $Clang = $ClangSB;
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my $ClangCXX = $ClangCXXSB;
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# Default to looking for 'clang' in the path.
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if (!defined $Clang || ! -x $Clang) {
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$Clang = "clang";
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$ClangCXX = "clang++";
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}
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my %AvailableAnalyses;
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@ -805,6 +808,16 @@ sub RunBuildCommand {
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shift @$Args;
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unshift @$Args, $CCAnalyzer;
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}
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elsif ($Cmd =~ /(.*\/?g\+\+[^\/]*$)/ or
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$Cmd =~ /(.*\/?c\+\+[^\/]*$)/ or
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$Cmd =~ /(.*\/?llvm-g\+\+[^\/]*$)/ or
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$Cmd =~ /(.*\/?c\+\+-analyzer[^\/]*$)/) {
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if (!($Cmd =~ /c\+\+-analyzer/) and !defined $ENV{"CCC_CXX"}) {
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$ENV{"CCC_CXX"} = $1;
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}
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shift @$Args;
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unshift @$Args, $CCAnalyzer;
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}
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elsif ($IgnoreErrors) {
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if ($Cmd eq "make" or $Cmd eq "gmake") {
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AddIfNotPresent($Args, "CC=$CCAnalyzer");
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@ -825,6 +838,7 @@ sub RunBuildCommand {
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if ($Args->[$i] eq "-sdk" && $i + 1 < scalar(@$Args)) {
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if (@$Args[$i+1] =~ /^iphonesimulator3/) {
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$ENV{"CCC_CC"} = "gcc-4.2";
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$ENV{"CCC_CXX"} = "g++-4.2";
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}
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}
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}
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@ -839,10 +853,10 @@ sub RunBuildCommand {
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# When 'CC' is set, xcodebuild uses it to do all linking, even if we are
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# linking C++ object files. Set 'LDPLUSPLUS' so that xcodebuild uses 'g++'
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# when linking such files.
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die if (!defined $CXX);
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my $LDPLUSPLUS = `which $CXX`;
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$LDPLUSPLUS =~ s/\015?\012//; # strip newlines
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$ENV{'LDPLUSPLUS'} = $LDPLUSPLUS;
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if (!defined $ENV{'CCC_CXX'}) {
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$ENV{'CCC_CXX'} = 'g++';
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}
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$ENV{'LDPLUSPLUS'} = $ENV{'CCC_CXX'};
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}
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return (system(@$Args) >> 8);
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@ -1090,16 +1104,19 @@ while (@ARGV) {
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if ($arg =~ /^--use-c\+\+(=(.+))?$/) {
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shift @ARGV;
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my $cxx;
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if (!defined $2 || $2 eq "") {
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if (!@ARGV) {
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DieDiag("'--use-c++' option requires a compiler executable name.\n");
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}
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$CXX = shift @ARGV;
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$cxx = shift @ARGV;
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}
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else {
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$CXX = $2;
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$cxx = $2;
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}
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$ENV{"CCC_CXX"} = $cxx;
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next;
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}
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@ -1171,27 +1188,28 @@ $HtmlDir = GetHTMLRunDir($HtmlDir);
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# Set the appropriate environment variables.
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SetHtmlEnv(\@ARGV, $HtmlDir);
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my $Cmd = Cwd::realpath("$RealBin/libexec/ccc-analyzer");
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my $AbsRealBin = Cwd::realpath($RealBin);
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my $Cmd = "$AbsRealBin/libexec/ccc-analyzer";
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my $CmdCXX = "$AbsRealBin/libexec/c++-analyzer";
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if (!defined $Cmd || ! -x $Cmd) {
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$Cmd = Cwd::realpath("$RealBin/ccc-analyzer");
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$Cmd = "$AbsRealBin/ccc-analyzer";
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DieDiag("Executable 'ccc-analyzer' does not exist at '$Cmd'\n") if(! -x $Cmd);
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}
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if (!defined $CmdCXX || ! -x $CmdCXX) {
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$CmdCXX = "$AbsRealBin/c++-analyzer";
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DieDiag("Executable 'c++-analyzer' does not exist at '$CmdCXX'\n") if(! -x $CmdCXX);
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}
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if (!defined $ClangSB || ! -x $ClangSB) {
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Diag("'clang' executable not found in '$RealBin/bin'.\n");
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Diag("Using 'clang' from path.\n");
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}
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if (defined $CXX) {
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$ENV{'CXX'} = $CXX;
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}
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else {
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$CXX = 'g++'; # This variable is used by other parts of scan-build
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# that need to know a default C++ compiler to fall back to.
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}
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$ENV{'CC'} = $Cmd;
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$ENV{'CXX'} = $CmdCXX;
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$ENV{'CLANG'} = $Clang;
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$ENV{'CLANG_CXX'} = $ClangCXX;
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if ($Verbose >= 2) {
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$ENV{'CCC_ANALYZER_VERBOSE'} = 1;
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