6
@includes = ("-I${prefix}/${KCROSS}include/arch/${ARCH}",
7
"-I${prefix}/${KCROSS}include/bits${BITSIZE}",
8
"-I${prefix}/${KCROSS}include");
10
# Default optimization options (for compiles without -g)
14
# Standard library directories
15
@stdlibpath = ("-L${prefix}/${KCROSS}lib");
17
# Options and libraries to pass to ld; shared versus static
18
@staticopt = ("${prefix}/${KCROSS}lib/crt0.o");
19
@staticlib = ("${prefix}/${KCROSS}lib/libc.a");
20
@sharedopt = (@EMAIN, "${prefix}/${KCROSS}lib/interp.o");
21
@sharedlib = ('-R', "${prefix}/${KCROSS}lib/libc.so");
23
# Returns the language (-x option string) for a specific extension.
24
sub filename2lang($) {
27
return 'c' if ( $file =~ /\.c$/ );
28
return 'c-header' if ( $file =~ /\.h$/ );
29
return 'cpp-output' if ( $file =~ /\.i$/ );
30
return 'c++-cpp-output' if ( $file =~ /\.ii$/ );
31
return 'objective-c' if ( $file =~ /\.m$/ );
32
return 'objc-cpp-output' if ( $file =~ /\.mi$/ );
33
return 'c++' if ( $file =~/\.(cc|cp|cxx|cpp|CPP|c\+\+|C)$/ );
34
return 'c++-header' if ( $file =~ /\.(hh|H)$/ );
35
return 'f77' if ( $file =~ /\.(f|for|FOR)$/ );
36
return 'f77-cpp-input' if ( $file =~ /\.(F|fpp|FPP)$/ );
37
return 'ratfor' if ( $file =~ /\.r$/ );
40
return 'ada' if ( $file =~ /\.(ads|adb)$/ );
42
return 'assembler' if ( $file =~ /\.s$/ );
43
return 'assembler-with-cpp' if ( $file =~/ \.S$/ );
45
# Linker file; there is no option to gcc to assume something
46
# is a linker file, so we make up our own...
50
# Produces a series of -x options and files
51
sub files_with_lang($$) {
52
my($files, $flang) = @_;
57
foreach $f ( @{$files} ) {
58
$need = ${$flang}{$f};
61
if ( $need ne 'obj' ) {
62
unless ( $xopt eq $need || $need eq 'stdin') {
63
push(@as, '-x', $need);
73
# Convert a return value from system() to an exit() code
77
return ($e & 0x7f) | 0x80 if ( $e & 0xff );
81
# Run a program; printing out the command line if $verbose is set
83
print STDERR join(' ', @_), "\n" if ( $verbose );
85
open(INPUT, "<&STDIN"); # dup STDIN filehandle to INPUT
86
my $childpid = open3("<&INPUT", ">&STDOUT", ">&STDERR", $cmd, @_);
87
waitpid ($childpid, 0);
94
open(NULL, '+<', '/dev/null') or die "$0: cannot open /dev/null\n";
97
# Begin parsing options.
104
@files = (); # List of files
105
%flang = (); # Languages for files
107
# This is 'c' for compile only, 'E' for preprocess only,
108
# 'S' for compile to assembly.
109
$operation = ''; # Compile and link
111
# Current -x option. If undefined, it means autodetect.
114
$save_temps = 0; # The -save-temps option
115
$verbose = 0; # The -v option
116
$shared = 0; # Are we compiling shared?
117
$debugging = 0; # -g or -p option present?
118
$strip = 0; # -s option present?
119
undef $output; # -o option present?
121
while ( defined($a = shift(@ARGV)) ) {
123
# Not an option. Must be a filename then.
125
$flang{$a} = $lang || filename2lang($a);
126
} elsif ( $a eq '-' ) {
127
# gcc gets its input from stdin
131
} elsif ( $a =~ /^-print-klibc-(.*)$/ ) {
132
# This test must precede -print
133
if ( defined($conf{$1}) ) {
134
print ${$conf{$1}}, "\n";
137
die "$0: unknown option: $a\n";
139
} elsif ( $a =~ /^(-print|-dump|--help|--version)/ ) {
140
# These share prefixes with some other options, so put this test early!
141
# Pseudo-operations; just pass to gcc and don't do anything else
143
$operation = 'c' if ( $operation eq '' );
144
} elsif ( $a =~ /^-Wl,(.*)$/ ) {
145
# -Wl used to pass options to the linker
146
push(@ldopt, split(/,/, $1));
147
} elsif ( $a =~ /^-([fmwWQdO]|std=|ansi|pedantic|M[GPD]|MMD)/ ) {
150
} elsif ( $a =~ /^-([DUI]|M[FQT])(.*)$/ ) {
151
# Options to gcc, which can take either a conjoined argument
152
# (-DFOO) or a disjoint argument (-D FOO)
154
push(@ccopt, shift(@ARGV)) if ( $2 eq '' );
155
} elsif ( $a eq '-include' ) {
156
# Options to gcc which always take a disjoint argument
157
push(@ccopt, $a, shift(@ARGV));
158
} elsif ( $a eq '-M' || $a eq '-MM' ) {
159
# gcc options, that force preprocessing mode
162
} elsif ( $a =~ /^-[gp]/ || $a eq '-p' ) {
163
# Debugging options to gcc
166
} elsif ( $a eq '-v' ) {
169
} elsif ( $a eq '-save-temps' ) {
172
} elsif ( $a =~ '^-([cSE])$' ) {
175
} elsif ( $a eq '-shared' ) {
177
} elsif ( $a eq '-static' ) {
179
} elsif ( $a eq '-s' ) {
181
} elsif ( $a eq '-o' ) {
182
$output = shift(@ARGV);
183
} elsif ( $a eq '-x' ) {
184
$lang = shift(@ARGV);
185
} elsif ( $a eq '-nostdinc' ) {
188
} elsif ( $a =~ /^-([lL])(.*)$/ ) {
191
push(@libs, shift(@ARGV)) if ( $2 eq '' );
193
die "$0: unknown option: $a\n";
198
@ccopt = (@REQFLAGS, @includes, @goptopt, @ccopt);
200
@ccopt = (@REQFLAGS, @includes, @optopt, @ccopt);
203
if ( $operation ne '' ) {
204
# Just run gcc with the appropriate options
205
@outopt = ('-o', $output) if ( defined($output) );
206
$rv = mysystem($CC, @ccopt, @outopt, files_with_lang(\@files, \%flang));
208
if ( scalar(@files) == 0 ) {
209
die "$0: No input files!\n";
212
@outopt = ('-o', $output || 'a.out');
217
foreach $f ( @files ) {
218
if ( $flang{$f} eq 'obj' ) {
222
$fo =~ s/\.[^\/.]+$/\.o/;
224
die if ( $f eq $fo ); # safety check
227
push(@rmobjs, $fo) unless ( $save_temps );
229
$rv = mysystem($CC, @ccopt, '-c', '-o', $fo, '-x', $flang{$f}, $f);
238
# Get the libgcc pathname for the *current* gcc
239
open(LIBGCC, '-|', $CC, @ccopt, '-print-libgcc-file-name')
240
or die "$0: cannot get libgcc filename\n";
246
$rv = mysystem($LD, @LDFLAGS, @sharedopt, @ldopt, @outopt, @objs, @libs, @stdlibpath, @sharedlib, $libgcc);
248
$rv = mysystem($LD, @LDFLAGS, @staticopt, @ldopt, @outopt, @objs, @libs, @stdlibpath, @staticlib, $libgcc);
253
if ( $strip && !$rv ) {
254
$rv = mysystem($STRIP, @STRIPFLAGS, $output);
added
removed
klcc.in
