mpir/macos/configure

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#!/usr/bin/perl
# This is a simple configure script for MacOS and MPW.
# Note that this script can't be run directly from MPW perl
# because it has the wrong end-of-line characters. See README.
# Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
#
# This file is part of the GNU MP Library.
#
# The GNU MP Library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or (at your
# option) any later version.
#
# The GNU MP Library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
# License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
# ***************************** NOTE **************************************
# This script try to figure out things about this release but has a hard
# time doing it. It reads some lines in "configure", "Makefile.am" and
# "mp*/Makefile.am" and try to guess things. With every new release
# this script has to be tested.
# ***************************** NOTE **************************************
use strict;
###########################################################################
#
# Platform dependent
#
###########################################################################
$/ = "\012" # Input files use Unix end-of-line chars
if $^O eq 'MacOS';
###########################################################################
#
# Constants
#
###########################################################################
# Directories to create
my @dirs =
(
'MpfObj',
'MpnObj',
'MpqObj',
'MpzObj',
'PrintfObj',
'ScanfObj',
'CmnObj',
'AsmObj',
'Asm',
'MpfBin',
'MpqBin',
'MpzBin',
);
my $cfg; # Will point to %cfg_apple or %cfg_cw
my %cfg_apple =
(
'cc' => 'MrC',
'coptions' => ['-ansi on -i : -i :: -i ::mpn:powerpc32 -i ::mpz',
'-opt speed -inline on'],
'link' => 'PPCLink',
'linkoptions' => '-sym on -xm library',
'tooloptions' => "-t 'MPST' -c 'MPS'",
'asm' => 'PPCAsm',
'aoptions' => '-sym on',
'syslibs' => [
'"{SharedLibraries}"StdCLib',
'"{SharedLibraries}"InterfaceLib',
'"{SharedLibraries}"MathLib',
'"{PPCLibraries}"StdCRuntime.o',
'"{PPCLibraries}"PPCCRuntime.o',
],
);
my %cfg_cw =
(
'cc' => 'MWCPPC',
'coptions' => [
'-opt all -w nounusedvar,noextended',
'-i :: -i ::mpn:powerpc32 -i ::mpz',
'-sym full',
],
'link' => 'MWLinkPPC',
'linkoptions' => '-sym fullpath -library',
'tooloptions' => '-mpwtool',
'asm' => 'PPCAsm',
'aoptions' => '-sym on',
'syslibs' => [
'"{SharedLibraries}"InterfaceLib',
'"{MWPPCLibraries}MSL MPWCRuntime.Lib"',
'"{MWPPCLibraries}MSL C.PPC MPW(NL).Lib"',
'"{SharedLibraries}"MathLib',
],
);
# We only set the variables that have a value
my %vars =
(
'BITS_PER_MP_LIMB' => 32,
'HAVE_HOST_CPU_FAMILY_power' => 0,
'HAVE_HOST_CPU_FAMILY_powerpc' => 1,
'GMP_NAIL_BITS' => 0,
'DEFN_LONG_LONG_LIMB' => '',
'LIBGMP_DLL' => 0,
);
my $make_in = 'Makefile.in';
my $make = 'Makefile';
my $configure = mf("../configure");
my $configure_in = mf("../configure.in");
my $config_in = mf("../config.in");
my $gmp_h = mf('../gmp.h');
my $gmp_h_in = mf('../gmp-h.in');
my $mpn_asm_dir = "../mpn/powerpc32";
my $mpn_gen_dir = "../mpn/generic";
my $config_h = 'config.h';
my $asm_start = "\ttoc"; # No dot, like ".dot"?
###########################################################################
#
# Read command line
#
###########################################################################
$cfg = \%cfg_apple; # Default
if (@ARGV and $ARGV[0] =~ /^cw|co/) {
$cfg = \%cfg_cw;
$make .= '.cw';
}
###########################################################################
#
# Parse top configure file for mpn files
#
###########################################################################
my ($files,$optional,$package,$version) = parse_top_configure($configure);
my %mpn_objects = map {$_ => 1} (@$files,@$optional);
my %mpn_optional = map {$_ => 1} @$optional;
###########################################################################
#
# Create config.h from ../config.in
#
###########################################################################
my @asm_files;
open(CONFIG_IN, $config_in)
or die "Can't open \"$config_in\"\n";
open(CONFIG_H, ">$config_h")
or die "Can't create \"$config_h\"\n";
while (<CONFIG_IN>) {
chomp;
if (/^\s*#\s*undef\s+HAVE_NATIVE_mpn_(\w+)/ and
-r mf("$mpn_asm_dir/$1.asm")) {
if (defined delete $mpn_objects{$1}) {
push(@asm_files, $1);
print CONFIG_H "\#define HAVE_NATIVE_mpn_$1 1\n";
} else {
print STDERR "Warning: Found asm file \"$1\" but no corresponding C file - ignoring\n";
}
} elsif (/^\s*#\s*undef\s+inline\b/) {
print CONFIG_H "\#define inline\n";
} elsif (/^\s*#\s*undef\s+HAVE_STDARG\b/) {
print CONFIG_H "\#define HAVE_STDARG 1\n";
} elsif (/^\s*#\s*undef\s+HAVE_STRCHR\b/) {
print CONFIG_H "\#define HAVE_STRCHR 1\n";
} elsif (/^\s*#\s*undef\s+HAVE_HOST_CPU_FAMILY_powerpc\b/) {
print CONFIG_H "\#define HAVE_HOST_CPU_FAMILY_powerpc 1\n";
} elsif (/^\s*#\s*undef\s+WANT_TMP_NOTREENTRANT\b/) {
print CONFIG_H "\#define WANT_TMP_NOTREENTRANT 1\n";
} elsif (/^\s*#\s*undef\s+PACKAGE\b/) {
print CONFIG_H "\#define PACKAGE \"$package\"\n";
} elsif (/^\s*#\s*undef\s+VERSION\b/) {
print CONFIG_H "\#define VERSION \"$version\"\n";
} elsif (/^\s*#\s*undef\s+STDC_HEADERS\b/) {
print CONFIG_H "\#define STDC_HEADERS 1\n";
} else { # Blank line, leave it
print CONFIG_H "$_\n";
}
}
close CONFIG_H;
close CONFIG_IN;
###########################################################################
#
# Create gmp.h from ../gmp-h.in
#
###########################################################################
open(GMP_H_IN, $gmp_h_in)
or die "Can't open \"$gmp_h_in\"\n";
open(GMP_H, ">$gmp_h")
or die "Can't create \"$gmp_h\"\n";
while (<GMP_H_IN>) {
chomp; # Remove whatever ending it was
# Do the variable substitution
s/\@([^\@]+)\@/exists $vars{$1} ? $vars{$1} : ''/ge;
print GMP_H "$_\n";
}
close GMP_H;
close GMP_H_IN;
###########################################################################
#
# Create directories
#
###########################################################################
foreach (@dirs) {
-d $_ or mkdir $_, 0775
or die "Can't create directory \"$_\"\n";
}
###########################################################################
#
# Parse the *.asm files found and convert them to MPW format
#
###########################################################################
my $file;
foreach $file (@asm_files) {
my $ifile = mf("$mpn_asm_dir/$file.asm");
my $ofile = mf("Asm/$file.s");
my $func;
my %defs = ();
open(ASM, $ifile)
or die "Can't read file \"$ifile\"\n";
open(NEW, ">$ofile")
or die "Can't create file \"$ofile\"\n";
while (<ASM>) {
chomp; # Remove whatever ending it was
s/\bdnl\b/;/ or s/\bC\b/;/; # Use ; comments
s/include\s*\(.*?\)//; # Don't use include macro
s/ASM_START\s*\(.*?\)/$asm_start/;
if (s/PROLOGUE\s*\(\s*(.*?)\s*\)/asm_prologue($1)/e) {
$func = $1;
}
s/EPILOGUE\s*\(\s*(.*?)\s*\)/asm_epilogue($func)/e;
s/L\(([^)]*)\)/L$1/g; # L() style labels
# register name defines
if (/\bdefine\(`?([a-zA-Z0-9]+)'?,`?([^')]*)\'?\)/) {
$defs{$1} = $2;
$_ = "\n";
}
foreach my $i (keys %defs) {
s/\b\Q$i\E\b/$defs{$i}/g;
}
s/\n/\x0D/g;
print NEW "$_\x0D"; # Use MacOS end-of-line character
}
close ASM;
close NEW;
}
###########################################################################
#
# Parse the Makefile.in and produce the Makefile
#
###########################################################################
# Check if we have optional left in C directory
foreach (keys %mpn_objects) {
delete $mpn_objects{$_}
if $mpn_optional{$_} and !-r mf("$mpn_gen_dir/$_.c");
}
my $mpn_objects = join(' ', map {"{MpnObjDir}$_.o"} sort keys %mpn_objects);
$mpn_objects =~ s/(.{1,66})\s/$1 \xB6\x0D\t/g;
my @asm_objects = @asm_files;
my @asm_sources = @asm_files;
# Adjust configuration
foreach (keys %{$cfg}) {
$$cfg{$_} = join(" \xB6\x0D\t\t", @{$$cfg{$_}})
if ref $$cfg{$_};
}
my %config =
(
'version' => $version,
'package' => $package,
'c' => "\xB6",
'dep' => "\xC4",
'wildcard'=> "\xC5",
'asm_objects' =>
join(" \xB6\x0D\t",map {$_ = "{AsmObjDir}$_.o"} sort @asm_objects),
'asm_sources' =>
join(" \xB6\x0D\t",map {$_ = "{AsmSrcDir}$_.s"} sort @asm_sources),
'mpn_objects' => $mpn_objects,
'mpz_objects' => what_objects("mpz","../mpz","{MpzObjDir}"),
'mpf_objects' => what_objects("mpf","../mpf","{MpfObjDir}"),
'mpq_objects' => what_objects("mpq","../mpq","{MpqObjDir}"),
'printf_objects' => what_objects("printf","../printf","{PrintfObjDir}"),
'scanf_objects' => what_objects("scanf","../scanf","{ScanfObjDir}"),
'gmp_objects' => what_objects("gmp","..", "{CmnObjDir}"),
%{$cfg},
);
open(IN, $make_in)
or die "Can't read file \"$make_in\"\n";
open(OUT, ">$make")
or die "Can't create file \"$make\"\n";
while (<IN>) {
chomp; # Remove whatever ending it was
# Do the variable substitution
s/\@([^\@]+)\@/exists $config{$1} ? $config{$1} : ''/ge;
print OUT "$_\x0D"; # Use MacOS end-of-line character
}
close IN;
close OUT;
###########################################################################
#
# Parse the configure.in file to find the mpn files to compile and link
# Find package name and version
#
###########################################################################
sub parse_top_configure {
my $cfg = shift;
open(CONFIGURE, $cfg)
or die "Can't open \"$cfg\"\n";
my $old_eol = $/;
undef $/;
my $text = <CONFIGURE>;
$/ = $old_eol;
close CONFIGURE;
my ($package) = $text =~ /(?:\n|\r)PACKAGE_NAME\s*=\s*(\S+)/;
my ($version) = $text =~ /(?:\n|\r)PACKAGE_VERSION\s*=\s*(\S+)/;
my $files = join(' ',$text =~ /(?:\n|\r)gmp_mpn_functions\s*=\s*\"([^\"]+)/);
$files =~ s/\\/ /g;
$files =~ s/\$\{?\w*\}?//g;
my @files = sort split(' ',$files);
$files = join(' ',$text =~ /(?:\n|\r)gmp_mpn_functions_optional\s*=\s*\"([^\"]+)/);
$files =~ s/\\/ /g;
$files =~ s/\$\{?\w*\}?//g;
my @optional = sort split(' ',$files);
@files > 30 or die "Can't find mpn files in \"$cfg\"\n";
defined $package or die "Can't find package name in \"$cfg\"\n";
defined $version or die "Can't find version name in \"$cfg\"\n";
return (\@files,\@optional,$package,$version);
}
###########################################################################
#
# Find the C files for mpz, mpf .....
#
###########################################################################
sub what_objects {
my $part = shift;
my $srcdir = shift;
my $dstdir = shift;
my $makefile_am = mf("$srcdir/Makefile.am");
# We look in the Makefile.am file
open(MAKEFILE_AM, $makefile_am)
or die "Can't open file \"$makefile_am\"\n";
# I had as short version of this using more advanced
# regular expressions on the whole file content but
# MacPerl freezes my Mac every time..... :-(
my $line;
my $text = '';
while (defined($line = <MAKEFILE_AM>) ) {
chomp $line;
if ($line =~ s/^lib${part}_la_SOURCES\s*=//) {
do {
chomp $line;
if ($line =~ s/\\\s*$//) {
$text .= " $line";
} else {
$text .= " $line";
next;
}
} while (defined($line = <MAKEFILE_AM>));
}
if ($line =~ s/^nodist_lib${part}_la_SOURCES\s*=//) {
do {
chomp $line;
if ($line =~ s/\\\s*$//) {
$text .= " $line";
} else {
$text .= " $line";
last;
}
} while (defined($line = <MAKEFILE_AM>));
}
}
close MAKEFILE_AM;
my @ofiles = split(' ',$text);
@ofiles > 8 or die "Can't find $part files in \"$makefile_am\"\n";
my $ofiles = join(' ', map {/^(.+)\.c$/ and $_ = "$dstdir$1.o"} @ofiles);
$ofiles =~ s/(.{1,66})\s/$1 \xB6\x0D\t/g;
return $ofiles;
}
###########################################################################
#
# Assembler
#
###########################################################################
sub asm_epilogue {
my $func = shift;
return "\tcsect .__g$func\[pr]";
}
sub asm_prologue {
my $func = shift;
my $asm = <<HERE;
EXPORT __g$func\[DS]
EXPORT .__g$func\[PR]
TC __g$func\[TC], __g$func\[DS]
CSECT __g$func\[DS]
DC.L .__g$func\[PR]
DC.L TOC[tc0]
CSECT .__g$func\[PR]
FUNCTION .__g$func\[PR]
HERE
return $asm;
}
###########################################################################
#
# Platform dependent filename conversion
#
###########################################################################
sub mf {
my $path = shift;
return $path unless $^O eq 'MacOS';
$path =~ /:/ and die "File name already converted to mac format: $path\n";
if ($path =~ s&^/&&) {
# Absolute path
unless ($path =~ s&/&:&g) {
# This is a drive name
$path .= ':';
}
} else {
# Relative path
if ($path =~ s&/&:&g) {
# Contains slash
$path = ":$path";
$path =~ s&\.\.:&:&g;
} else {
# Plain file name, no directory part
}
}
return $path;
}