blob: 43d0984a8dace8064ddc3cf7d85d6ba1e03f6443 [file] [log] [blame]
# -*- perl -*-
use IPC::Open3;
# Standard includes
@includes = ("-I${prefix}/${KCROSS}include/arch/${ARCHDIR}",
"-I${prefix}/${KCROSS}include/bits${BITSIZE}",
"-I${prefix}/${KCROSS}include");
# Default optimization options (for compiles without -g)
@optopt = @OPTFLAGS;
@goptopt = ('-O');
# Standard library directories
@stdlibpath = ("-L${prefix}/${KCROSS}lib");
# Options and libraries to pass to ld; shared versus static
@staticopt = ("${prefix}/${KCROSS}lib/crt0.o");
@staticlib = ("${prefix}/${KCROSS}lib/libc.a");
@sharedopt = (@EMAIN, "${prefix}/${KCROSS}lib/interp.o");
@sharedlib = ('-R', "${prefix}/${KCROSS}lib/libc.so");
# Returns the language (-x option string) for a specific extension.
sub filename2lang($) {
my ($file) = @_;
return 'c' if ( $file =~ /\.c$/ );
return 'c-header' if ( $file =~ /\.h$/ );
return 'cpp-output' if ( $file =~ /\.i$/ );
return 'c++-cpp-output' if ( $file =~ /\.ii$/ );
return 'objective-c' if ( $file =~ /\.m$/ );
return 'objc-cpp-output' if ( $file =~ /\.mi$/ );
return 'c++' if ( $file =~/\.(cc|cp|cxx|cpp|CPP|c\+\+|C)$/ );
return 'c++-header' if ( $file =~ /\.(hh|H)$/ );
return 'f77' if ( $file =~ /\.(f|for|FOR)$/ );
return 'f77-cpp-input' if ( $file =~ /\.(F|fpp|FPP)$/ );
return 'ratfor' if ( $file =~ /\.r$/ );
# Is this correct?
return 'ada' if ( $file =~ /\.(ads|adb)$/ );
return 'assembler' if ( $file =~ /\.s$/ );
return 'assembler-with-cpp' if ( $file =~/\.S$/ );
# Linker file; there is no option to gcc to assume something
# is a linker file, so we make up our own...
return 'obj';
}
# Produces a series of -x options and files
sub files_with_lang($$) {
my($files, $flang) = @_;
my(@as) = ();
my($xopt) = 'none';
my($need);
foreach $f ( @{$files} ) {
$need = ${$flang}{$f};
# Skip object files
if ( $need ne 'obj' ) {
unless ( $xopt eq $need || $need eq 'stdin') {
push(@as, '-x', $need);
$xopt = $need;
}
push(@as, $f);
}
}
return @as;
}
# Convert a return value from system() to an exit() code
sub syserr($) {
my($e) = @_;
return ($e & 0x7f) | 0x80 if ( $e & 0xff );
return $e >> 8;
}
# Run a program; printing out the command line if $verbose is set
sub mysystem(@) {
print STDERR join(' ', @_), "\n" if ( $verbose );
my $cmd = shift;
open(INPUT, "<&STDIN"); # dup STDIN filehandle to INPUT
my $childpid = open3("<&INPUT", ">&STDOUT", ">&STDERR", $cmd, @_);
waitpid ($childpid, 0);
return $?;
}
#
# Initialization
#
open(NULL, '+<', '/dev/null') or die "$0: cannot open /dev/null\n";
#
# Begin parsing options.
#
@ccopt = ();
@ldopt = ();
@libs = ();
@files = (); # List of files
%flang = (); # Languages for files
# This is 'c' for compile only, 'E' for preprocess only,
# 'S' for compile to assembly.
$operation = ''; # Compile and link
# Current -x option. If undefined, it means autodetect.
undef $lang;
$save_temps = 0; # The -save-temps option
$verbose = 0; # The -v option
$shared = 0; # Are we compiling shared?
$debugging = 0; # -g or -p option present?
$strip = 0; # -s option present?
undef $output; # -o option present?
while ( defined($a = shift(@ARGV)) ) {
if ( $a !~ /^\-/ ) {
# Not an option. Must be a filename then.
push(@files, $a);
$flang{$a} = $lang || filename2lang($a);
} elsif ( $a eq '-' ) {
# gcc gets its input from stdin
push(@files, $a);
# prevent setting -x
$flang{$a} = 'stdin'
} elsif ( $a =~ /^-print-klibc-(.*)$/ ) {
# This test must precede -print
if ( defined($conf{$1}) ) {
print ${$conf{$1}}, "\n";
exit 0;
} else {
die "$0: unknown option: $a\n";
}
} elsif ( $a =~ /^(-print|-dump|--help|--version|-v)/ ) {
# These share prefixes with some other options, so put this test early!
# Pseudo-operations; just pass to gcc and don't do anything else
push(@ccopt, $a);
$operation = 'c' if ( $operation eq '' );
} elsif ( $a =~ /^-Wl,(.*)$/ ) {
# -Wl used to pass options to the linker
push(@ldopt, split(/,/, $1));
} elsif ( $a =~ /^-([fmwWQdO]|std=|ansi|pedantic|M[GPD]|MMD)/ ) {
# Options to gcc
push(@ccopt, $a);
} elsif ( $a =~ /^-([DUI]|M[FQT])(.*)$/ ) {
# Options to gcc, which can take either a conjoined argument
# (-DFOO) or a disjoint argument (-D FOO)
push(@ccopt, $a);
push(@ccopt, shift(@ARGV)) if ( $2 eq '' );
} elsif ( $a eq '-include' ) {
# Options to gcc which always take a disjoint argument
push(@ccopt, $a, shift(@ARGV));
} elsif ( $a eq '-M' || $a eq '-MM' ) {
# gcc options, that force preprocessing mode
push(@ccopt, $a);
$operation = 'E';
} elsif ( $a =~ /^--param/ ) {
# support --param name=value and --param=name=value
my @values=split('=', $a);
if ( @values == 1 ) {
push(@ccopt, $a);
push(@ccopt, shift(@ARGV));
}
elsif ( @values == 3 ) {
push(@ccopt, $values[0]);
push(@ccopt, join('=', $values[1],$values[2]));
}
} elsif ( $a =~ /^-[gp]/ || $a eq '-p' ) {
# Debugging options to gcc
push(@ccopt, $a);
$debugging = 1;
} elsif ( $a eq '-v' ) {
push(@ccopt, $a);
$verbose = 1;
} elsif ( $a eq '-save-temps' ) {
push(@ccopt, $a);
$save_temps = 1;
} elsif ( $a =~ '^-([cSE])$' ) {
push(@ccopt, $a);
$operation = $1;
} elsif ( $a eq '-shared' ) {
$shared = 1;
} elsif ( $a eq '-static' ) {
$shared = 0;
} elsif ( $a eq '-s' ) {
$strip = 1;
} elsif ( $a eq '-o' ) {
$output = shift(@ARGV);
} elsif ( $a =~ /^\-x(.*)$/ ) {
# -x can be conjoined or disjoined
$lang = $1;
if ( $lang eq '' ) {
$lang = shift(@ARGV);
}
} elsif ( $a eq '-nostdinc' ) {
push(@ccopt, $a);
@includes = ();
} elsif ( $a =~ /^-([lL])(.*)$/ ) {
# Libraries
push(@libs, $a);
push(@libs, shift(@ARGV)) if ( $2 eq '' );
} else {
die "$0: unknown option: $a\n";
}
}
if ( $debugging ) {
@ccopt = (@REQFLAGS, @includes, @goptopt, @ccopt);
} else {
@ccopt = (@REQFLAGS, @includes, @optopt, @ccopt);
}
if ( $operation ne '' ) {
# Just run gcc with the appropriate options
@outopt = ('-o', $output) if ( defined($output) );
$rv = mysystem($CC, @ccopt, @outopt, files_with_lang(\@files, \%flang));
} else {
if ( scalar(@files) == 0 ) {
die "$0: No input files!\n";
}
@outopt = ('-o', $output || 'a.out');
@objs = ();
@rmobjs = ();
foreach $f ( @files ) {
if ( $flang{$f} eq 'obj' ) {
push(@objs, $f);
} else {
$fo = $f;
$fo =~ s/\.[^\/.]+$/\.o/;
die if ( $f eq $fo ); # safety check
push(@objs, $fo);
push(@rmobjs, $fo) unless ( $save_temps );
$rv = mysystem($CC, @ccopt, '-c', '-o', $fo, '-x', $flang{$f}, $f);
if ( $rv ) {
unlink(@rmobjs);
exit syserr($rv);
}
}
}
# Get the libgcc pathname for the *current* gcc
open(LIBGCC, '-|', $CC, @ccopt, '-print-libgcc-file-name')
or die "$0: cannot get libgcc filename\n";
$libgcc = <LIBGCC>;
chomp $libgcc;
close(LIBGCC);
if ( $shared ) {
$rv = mysystem($LD, @LDFLAGS, @sharedopt, @ldopt, @outopt, @objs,
@libs, @stdlibpath, '--start-group', @sharedlib,
$libgcc, '--end-group');
} else {
$rv = mysystem($LD, @LDFLAGS, @staticopt, @ldopt, @outopt, @objs,
@libs, @stdlibpath, '--start-group', @staticlib,
$libgcc, '--end-group');
}
unlink(@rmobjs);
if ( $strip && !$rv ) {
$rv = mysystem($STRIP, @STRIPFLAGS, $output);
}
}
exit syserr($rv);