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# -*- perl -*-
# Standard includes
@includes = ("-I${INSTALLDIR}/${KCROSS}include/arch/${ARCH}",
"-I${INSTALLDIR}/${KCROSS}include/bits${BITSIZE}",
"-I${INSTALLDIR}/${KCROSS}include");
# Default optimization options (for compiles without -g)
@optopt = @OPTFLAGS;
@goptopt = ('-O');
# Options and libraries to pass to ld; shared versus static
@staticopt = ("$INSTALLDIR/${KCROSS}lib/crt0.o");
@staticlib = ("$INSTALLDIR/${KCROSS}lib/libc.a");
@sharedopt = (@EMAIN, "$INSTALLDIR/${KCROSS}lib/interp.o");
@sharedlib = ('-R', "$INSTALLDIR/${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};
$need = 'none' if ( $need eq 'obj' );
unless ( $xopt eq $need ||
($xopt eq 'none' && filename2lang($f) eq $need) ) {
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 );
return system(@_);
}
#
# Initialization
#
open(NULL, '+<', '/dev/null') or die "$0: cannot open /dev/null\n";
#
# Begin parsing options.
#
@ccopt = ();
@ldopt = ();
@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 ( $a =~ /^-Wl,(.*)$/ ) {
# -Wl used to pass options to the linker
push(@ldopt, split(/,/, $1));
} elsif ( $a =~ /^-([fmwWQdO]|std=|ansi|pedantic)/ ) {
# Options to gcc
push(@ccopt, $a);
} elsif ( $a =~ /^-([DUI])(.*)$/ ) {
# 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 =~ /^-[gp]/ ) {
# Debugging options to gcc *and* ld
push(@ccopt, $a);
push(@ldopt, $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 eq '-nostdinc' ) {
push(@ccopt, $a);
@includes = ();
} elsif ( $a =~ /^(-print|--help)/ ) {
# Pseudo-operations; just pass to gcc and don't do anything else
push(@ccopt, $a);
$operation = 'c' if ( $operation 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 {
@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, @sharedlib, $libgcc);
} else {
$rv = mysystem($LD, @LDFLAGS, @staticopt, @ldopt, @outopt, @objs, @staticlib, $libgcc);
}
unlink(@rmobjs);
if ( $strip && !$rv ) {
$rv = mysystem($STRIP, @STRIPFLAGS, $output);
}
}
exit syserr($rv);
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