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libtool_win32.pl
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#!/usr/bin/perl -w
# -*- mode: perl; -*-
# $Id: libtool_win32.pl,v 1.11 2025/02/01 19:57:27 cvsuser Exp $
# libtool emulation for WIN32 builds.
#
# **Warning**
#
# Functionality is limited to the current GRIEF/MC/WINRSH build requirements.
#
# Example usage:
#
# $(D_LIB)/%.la: $(D_OBJ)/%.lo
# $(LIBTOOL) --mode=link $(CC) $(LDFLAGS) -rpath $(D_LIB) -bindir $(D_BIN) -o $@ $(D_OBJ)/$<
#
# $(D_LIB)/%.lo: %.c
# $(LIBTOOL) --mode=compile $(CC) $(CFLAGS) -o $(D_OBJ)/$@ -c $<
#
# $(D_LIB)/%.lo: %.cpp
# $(LIBTOOL) --mode=compile $(CXX) $(CXXFLAGS) -o $(D_OBJ)/$@ -c $<
#
# Copyright Adam Young 2012 - 2025
# All rights reserved.
#
# This file is part of the Midnight Commander.
#
# The applications are free software: you can redistribute it
# and/or modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the License,
# or (at your option) any later version.
#
# Redistributions of source code must retain the above copyright
# notice, and must be distributed with the license document above.
#
# Redistributions in binary form must reproduce the above copyright
# notice, and must include the license document above in
# the documentation and/or other materials provided with the
# distribution.
#
# The applications are 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# ==end==
#
use strict;
use warnings 'all';
use Getopt::Long;
use File::Basename;
use File::Copy;
use Cwd;
my $x_libdir = ".libs/";
my $o_help;
my $o_config;
my $o_dryrun;
my $o_features;
my $o_mode;
my $o_tag;
my $o_preserve_dup_deps;
my $o_quiet = 1;
my $o_silent = 0;
my $o_verbose = 0;
my $o_keeptmp = 0;
my $o_debug;
my $o_version;
my $o_extra = '';
sub Compile();
sub Link();
sub true_object($);
sub true_library($;$);
sub unix2dos($);
sub dos2unix($);
sub Help;
sub Usage;
sub Usage_Link();
sub Usage_Compile();
sub System;
sub __SystemReturnCode($);
sub Label;
sub Debug;
sub Verbose;
sub Warning;
sub Error;
exit &Main();
# libtool ...
#
sub
Main
{
Help() if (!scalar @ARGV);
Getopt::Long::Configure("require_order");
$o_verbose = 1 # optional enable
if (defined $ENV{'LIBTOOL_VERBOSE'});
my $ret =
GetOptions(
'h|help' => \$o_help,
'config' => \$o_config,
'n|dry-run' => \$o_dryrun,
'features' => \$o_features,
'mode=s' => \$o_mode,
'finish' => sub {$o_mode='finish';},
'tag=s' => \$o_tag,
'preserve-dup-deps' => \$o_preserve_dup_deps,
'quiet' => \$o_quiet,
'no-quiet' => sub {$o_quiet=0;},
'silent' => \$o_silent,
'no-silent' => sub {$o_silent=0;},
'v|verbose' => \$o_verbose,
'keeptmp' => \$o_keeptmp,
'no-verbose' => sub {$o_verbose=0;},
'debug' => \$o_debug,
'version' => \$o_version);
Help() if (!$ret);
if ($o_help && $o_mode) {
if ('compile' eq $o_mode) {
Usage_Compile();
} elsif ('link' eq $o_mode) {
Usage_Link();
}
}
Usage() if ($o_help);
Usage("missing arguments") if (!scalar @ARGV);
if ('compile' eq $o_mode) {
# Compile a source file into a libtool object.
Compile();
} elsif ('link' eq $o_mode) {
# Create a library or an executable.
Link();
} elsif ('install' eq $o_mode) {
# Install libraries or executables.
} elsif ('finish' eq $o_mode) {
# Complete the installation of libtool libraries on the system.
} elsif ('execute' eq $o_mode) {
# Automatically set the library path so that another program can use
# uninstalled libtool-generated programs or libraries.
} elsif ('uninstall' eq $o_mode) {
# Delete installed libraries or executables.
} elsif ('clean' eq $o_mode) {
# Delete uninstalled libraries or executables.
Clean();
} else {
Usage("unknown mode <$o_mode>");
}
return 0;
}
# Function: Compile
# Compile a library object.
#
sub
Compile()
{
my $cc = shift @ARGV;
my $object;
my $source;
my $compile;
my @DEFINES;
my @INCLUDES;
my @STUFF;
while (scalar @ARGV > 1) {
$_ = shift @ARGV;
if (/^\@(.*)$/) { # @cmdfile
OpenCommandFile($1);
next;
}
if (/^-o$/) { # -o <object>
my $val = shift @ARGV;
Error("compile: missing output")
if (! $val);
Error("compile: multiple objects specified <$object> and <$val>")
if ($object);
$object = $val;
} elsif (/^[-\/]Fo[=]?(.*)/) { # -Fo[=]<object>
my $val = ($1 ? $1 : shift @ARGV);
Error("compile: multiple objects specified <$object> and <$val>")
if ($object);
$object = $val;
} elsif (/^[-\/]Fd[=]?(.*)/) { # -Fd[=]<pdb>
#consume
} elsif (/^-i[=]?(.*)$/) { # -i= <path>
push @INCLUDES, ($1 ? $1 : shift @ARGV);
} elsif (/^[-\/]I[=]?(.+)$/) { # -I[=]<path>
push @INCLUDES, $1;
} elsif (/^-I$/) { # -I <path>
push @INCLUDES, shift @ARGV;
} elsif (/^-d(.*)$/) { # -d <define[=value]>
if (('wcl386' eq $cc) && (/^-d[0-3]/ || /^-d[0-3][\+ist]/ || /^-db$/)) {
push @STUFF, $_; # debug level -d1, -d2 and -d3
} else {
push @DEFINES, ($1 ? $1 : shift @ARGV);
}
} elsif (/^[-\/]D[=]?(.+)/) { # -D[=]<define[=value]>
push @DEFINES, $1;
} elsif (/^[-\/]c$/) { # -c
$compile = 1;
} elsif (/^-prefer-pic$/) {
# Libtool will try to build only PIC objects.
} elsif (/^-prefer-non-pic$/) {
# Libtool will try to build only non-PIC objects.
} elsif (/^-shared$/) {
# Even if Libtool was configured with --enable-static, the object file Libtool builds will
# not be suitable for static linking. Libtool will signal an error if it was configured
# with --disable-shared, or if the host does not support shared libraries.
} elsif (/^-static$/) {
# Even if libtool was configured with --disable-static, the object file Libtool builds will
# be suitable for static linking.
} elsif (/^-Wc,(.*)$/) {
# Pass a flag directly to the compiler. With -Wc,, multiple flags may be separated by
# commas, whereas -Xcompiler passes through commas unchanged.
if ('owcc' eq $cc || 'gcc' eq $cc) {
push @STUFF, $_;
} else {
Error("compile: unexpected option <$_>");
}
} elsif (/^-Xcompiler$/) {
# Pass a flag directly to the compiler. With -Wc,, multiple flags may be separated by
# commas, whereas -Xcompiler passes through commas unchanged.
push @STUFF, shift @ARGV;
} else {
push @STUFF, $_;
}
}
$source = shift @ARGV;
Error("compile: unsupported compiler <$cc>")
if (!('cl' eq $cc || 'wcl386' eq $cc || 'owcc' eq $cc || 'gcc' eq $cc || 'g++' eq $cc));
Error("compile: unable to determine object")
if (!$object);
Error("compile: object file suffix not <.lo>")
if ($object !~ /.lo$/);
Error("compile: missing source file")
if (!$source || $source =~ /^-/); # missing or an option.
Error("compile: -c options missing")
if (!$compile);
my $true_path = unix2dos(dirname($object))."\\${x_libdir}";
my $true_object = ${true_path}.basename($object, 'lo')."obj";
Verbose "cc: ${cc}";
Verbose "extra: @STUFF";
Verbose "defines:";
foreach(@DEFINES) { Verbose "\t$_"; }
Verbose "includes:";
foreach(@INCLUDES) { Verbose "\t$_"; }
Verbose "object: ${object}";
Verbose " true: ${true_object}";
Verbose "source: ${source}";
my $cmd = '';
if ('cl' eq $cc) {
$cmd = "$cc @STUFF /DDLL=1";
foreach (@DEFINES) { $cmd .= " /D$_"; }
foreach (@INCLUDES) { $cmd .= " /I$_"; }
$cmd .= " /Fo$true_object";
$cmd .= " /Fd".${true_path}.'\\'; # VCx0.pdb
$cmd .= " /c $source";
} elsif ('wcl386' eq $cc) { # OpenWatcom, legacy interface.
# http://www.openwatcom.org/index.php/Writing_DLLs
$cmd = "$cc @STUFF -dDLL=1";
$cmd .= " -bd"; # DLL builds
foreach (@DEFINES) { $cmd .= " -d$_"; }
foreach (@INCLUDES) { $cmd .= " -I=\"$_\""; }
$cmd .= " -Fo=\"".unix2dos($true_object)."\"";
$cmd .= " -c ".unix2dos($source);
} elsif ('owcc' eq $cc) { # OpenWatcom, posix driver.
$cmd = "$cc @STUFF -DDLL=1";
$cmd .= " -shared"; # DLL builds
foreach (@DEFINES) { $cmd .= " -D$_"; }
foreach (@INCLUDES) { $cmd .= " -I \"$_\""; }
$cmd .= " -o \"".unix2dos($true_object)."\"";
$cmd .= " -c ".unix2dos($source);
} elsif ('gcc' eq $cc || 'g++' eq $cc) {
$cmd = "$cc @STUFF -D DLL=1 -shared";
foreach (@DEFINES) { $cmd .= " -D $_"; }
foreach (@INCLUDES) { $cmd .= " -I \"$_\""; }
$cmd .= " -o \"$true_object\"";
$cmd .= " -c $source";
}
my $ret = 0;
mkdir $true_path;
unlink $object;
Verbose "cc: $cmd";
exit($ret)
if (0 != ($ret = System($cmd)));
# generate lo artifact
open(LO, ">", $object) or
die "cannot create <".$object."> : $!\n";
print LO "#libtool win32 generated, do not modify\n";
print LO "mode=dll\n";
print LO "cc=$cc\n";
print LO "cmd=$cmd\n";
print LO "source=$source\n";
print LO "object=$object\n";
print LO "true_object=".dos2unix($true_object)."\n";
close(LO);
return 0;
}
# Function: Link
# Link a library object.
#
sub
Link()
{
my $cc = shift @ARGV;
my ($output, $dlbase, $rpath, $bindir, $module, $mapfile);
my $version_number = '';
my $wc_fastcall = -1; # fastcall (Watcom) convention.
my $wc_debugger = '';
my $linktype = 'dll';
my $cl_ltcg = 0;
my $cl_debug = undef;
my $cl_runtime = 'MT';
my $targetarch = '';
my $gcc_debugger = 0;
my @OBJECTS;
my @RESOURCES;
my @EXPORTS;
my $DESCRIPTION;
my @LIBRARIES;
my @LIBPATHS;
my @IGNORED;
my @STUFF;
$cc = 'gcc' if ('g++' eq $cc); # alises
if ($cc eq 'cl') {
if (defined $ENV{'VSCMD_ARG_TGT_ARCH'} && $ENV{'VSCMD_ARG_TGT_ARCH'} eq "x64") {
$targetarch = 'x64';
}
}
while (scalar @ARGV) {
$_ = shift @ARGV;
if (/^\@(.*)$/) { # @cmdfile
OpenCommandFile($1);
next;
}
if (/^-o$/) { # -o <output>
my $val = shift @ARGV;
Error("link: missing output")
if (! $val);
Error("link: multiple outputs specified <$output> and <$val>")
if ($output);
if ($val =~ /\.exe$/i) {
$linktype = 'exe';
} elsif ($val =~ /\.(la|dll)$/i) {
$linktype = 'dll';
} else {
Error("link: unexpected output type <${val}>");
}
$output = $val;
} elsif (/^[-\/]Fo[=]?(.*)/) { # -Fo[=]<output>
my $val = ($1 ? $1 : shift @ARGV);
Error("link: multiple outputs specified <$output> and <$val>")
if ($output);
$output = $val;
} elsif (/^[-\/]Fe[=]?(.*)/) { # -Fe[=]<output>
my $val = ($1 ? $1 : shift @ARGV);
Error("link: multiple outputs specified <$output> and <$val>")
if ($output);
$linktype = 'exe';
$output = $val;
} elsif (('wcl386' eq $cc || 'owcc' eq $cc) and /^[-\/]Fm[=]?(.*)/i) {
# -Fm[=]<output>
my $val = ($1 ? $1 : shift @ARGV);
Error("link: multiple mapfile specified <$mapfile> and <$val>")
if ($mapfile);
$mapfile = $val;
} elsif (/^[-\/]Map[:=]?(.*)/i) { # -Map[:=]<output>
my $val = ($1 ? $1 : shift @ARGV);
Error("link: multiple mapfile specified <$mapfile> and <$val>")
if ($mapfile);
$mapfile = $val;
} elsif (/^(.*)\.lo$/ || /^(.*)\.o$/ || /^(.*)\.obj$/i) {
push @OBJECTS, $_;
} elsif (/^(.*)\.res$/) {
push @RESOURCES, $_;
} elsif (/^(.*)\.rc$/) {
Error("link: $_ not supported\n");
} elsif (/^(.*)\.a$/ || /^(.*)\.lib$/i) {
my $libname = $_;
$libname =~ s/^lib// # libxxxx[.a] => xxxx[.a]
if ('gcc' eq $cc);
push @LIBRARIES, $libname;
} elsif (/^(.*)\.la$/) {
push @LIBRARIES, $_;
} elsif (/^-l(.*)$/) {
my $libname = $1;
if ('gcc' ne $cc) {
if ($libname !~ /^lib/) { # xxxx => libxxxx.lib
if ($libname !~ /\.lib$/) {
$libname = "lib${libname}.lib";
#XXX: maybe need to resolve
}
}
}
push @LIBRARIES, $libname;
} elsif (/^[-\/]LIBPATH[:]?\s*(.+)/) { # -LIBPATH[:]<path>
push @LIBPATHS, $1;
} elsif (/^-L(.*)/) {
push @LIBPATHS, $1;
} elsif (/^-all-static$/) {
Error("link: $_ not supported\n");
} elsif (/^-avoid-version$/) {
#ignore
} elsif (/^-bindir[=]?(.*)$/) {
my $val = ($1 ? $1 : shift @ARGV);
Error("link: $_ $val, not a valid directory : $!")
if (! -d $val);
$bindir = $val;
} elsif (/^-dlbase[=]?(.*)/) { # -dlbase[=]<output> (extension)
my $val = ($1 ? $1 : shift @ARGV);
Error("link: multiple dll base names specified <$dlbase> and <$val>")
if ($dlbase);
$dlbase = $val; # dll base name, version is appended.
} elsif (/^-dlopen(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-dlpreopen(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-export-dynamic$/) {
Error("link: $_ not supported\n");
} elsif (/^[-]+export-fastcall$/) { # extension
if ($wc_fastcall eq -1 or $wc_fastcall eq 1) {
$wc_fastcall = 1;
} else {
Error("link: -export-fastcall and compiler switches are incompatible\n");
}
} elsif (/^-export-symbols[=]?(.*)$/) {
my $val = ($1 ? $1 : shift @ARGV);
Error("link: $_ $val, not a valid symbol file : $!")
if (! -f $val);
if ($val =~ /\.def$/i || $val =~ /\.def\./i) { # <name.def> or <name.def.xxx>
ParseDefFile($val, \@EXPORTS, \$DESCRIPTION);
} else { # <name.sym>
ParseSymFile($val, \@EXPORTS);
}
} elsif (/^-export-symbols-regex(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-module$/) {
$module=1;
} elsif (/^-no-fast-install$/) {
Error("link: $_ not supported\n");
} elsif (/^-no-install$/) {
Error("link: $_ not supported\n");
} elsif (/^-no-undefined$/) {
Error("link: $_ not supported\n");
} elsif (/^-objectlist(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-precious-files-regex(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-release(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^[-]+rpath[=]?(.*)$/) {
my $val = ($1 ? $1 : shift @ARGV);
if (! -d $val) {
Warning("link: $_ $val, not a valid directory -- ignored");
} else {
$rpath = $val;
}
} elsif (/^-RTC[1csu]+$/ && ('cl' eq $cc)) {
next; # compile-only
} elsif (/^-R(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-shared$/) {
#default
} elsif (/^-shrext(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-static$/) {
Error("link: $_ not supported\n");
} elsif (/^-static-libtool-libs$/) {
Error("link: $_ not supported\n");
} elsif (/^-version-info(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-version-number[=]?(.*)$/) {
my $val = ($1 ? $1 : shift @ARGV);
$version_number = $val;
} elsif (/^-weak(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-Wc,(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-Xcompiler(.*)$/) {
Error("link: $_ not supported\n");
} elsif (/^-Wl,(.*)$/) {
if ('owcc' eq $cc) {
my $wl = $1;
if ($wl =~ /^LIBPATH[:= ]?\s*(.+)/) {
push @LIBPATHS, $1; # -LIBPATH[:= ]<path>
next;
}
}
Error("link: $_ not supported\n");
} elsif (/^-Xlinker(.*)$/) {
my $opt = ($1 ? $1 : shift @ARGV);
if ($opt =~ /^-Map=(.+)$/) {
my $val = $1;
Error("link: multiple mapfile specified <$mapfile> and <$val>")
if ($mapfile);
$mapfile = $val;
} else {
Error("link: -Xlinker ${opt} opt supported\n");
}
} elsif (/^-XCClinker(.*)$/) {
Error("link: $_ not supported\n");
} else {
# toolchain specific
if ('cl' eq $cc) {
# Optimisation
if (/^[-\/]GL$/i) { # /GL (Whole Program Optimization)
$cl_ltcg = 1; # imply /LTCG
next;
} elsif (/^[-\/]LTCG$/i) {
$cl_ltcg = 1; # explicit /LTCG
next;
# Runtime library
} elsif (/^[-\/]M([TD])$/) { # /MT or /MD
$cl_runtime = 'M'.$1;
next;
} elsif (/^[-\/]M([TD])d$/) { # /MTd or /MDd
$cl_runtime = 'M'.$1.'-debug';
next;
# Debugger
} elsif (/^[-\/]Z([7iI])$/) { # /Z7, /Zi /ZI, enable debug
$cl_debug = "/DEBUG"
if (!defined $cl_debug);
$cl_ltcg = 0;
next;
} elsif (/^[-\/]DEBUG$/ || /^[-\/]DEBUG:(.+_)$/) {
$cl_debug = $_; # explicit /DEBUG:NONE, /DEBUG:FULL and /DEBUG:FASTLINK
$cl_debug =~ s/^-/\//;
$cl_ltcg = 0;
next;
} elsif (/^[-\/]LINK$/i) {
next; # implied
} elsif (/^[-\/]nologo$/i) {
$o_quiet = 1;
next;
}
} elsif ('wcl386' eq $cc) { # process
# Calling convention:
# [3-6]r register calling convention
# [3-6]s stack based calling convention
#
# ecc set default calling convention to __cdecl
# ecd set default calling convention to __stdcall
# ecf set default calling convention to __fastcall
# ecp set default calling convention to __pascal
# ecr set default calling convention to __fortran
# ecs set default calling convention to __syscall
# ecw set default calling convention to __watcall (default)
#
# Warning:
# The OpenWatcom run-time library utilise either register or stack based (by default register) calls,
# hence use of the alternative convention via a '-ecx' option may create major compatiblity issues.
#
# For example atexit() and qsort() shall assume register/stack yet as the default is applied the
# function argument, the caller can siliently pass an alternatively coded function; that shall be
# fatal at run-time.
#
if (/^-[3456]r$/ or /^-ecw$/) {
if ($wc_fastcall eq -1) {
$wc_fastcall = 1; # auto-selection
} elsif ($wc_fastcall eq 0) {
Error("link: -export-fastcall and compiler switches are incompatible\n");
}
next;
} elsif (/^-[3456]s$/ or /^-ec[cdfprs]$/) {
if ($wc_fastcall eq 1) {
Error("link: -export-fastcall and compiler switches are incompatible\n");
}
next;
# Target
} elsif (/^-bt=(.*)$/) {
my $target = uc($1);
Error("link: <$_> unexpected target\n")
if ($target ne 'NT');
next;
# Debugger support:
# -h[wcd] Watcom,Codeview,Dwarf
#
} elsif (/^-h([wcd])$/) {
$wc_debugger = $1;
next;
} elsif (/^-d[0-3]/ || /^-d[0-3][\+ist]/) {
next; # debug level -d1, -d2 and -d3; compile only
} elsif (/^[-\/]q$/i) {
$o_quiet = 1;
next;
}
push @IGNORED, $_;
next;
} elsif ('owcc' eq $cc) {
# Call convention
if (/^mregparm=1$/) {
if ($wc_fastcall eq -1) {
$wc_fastcall = 1; # auto-selection
} elsif ($wc_fastcall eq 0) {
Error("link: -export-fastcall and compiler switches are incompatible\n");
}
push @STUFF, $_;
next;
} elsif (/^mregparm=0$/) {
if ($wc_fastcall eq 1) {
Error("link: -export-fastcall and compiler switches are incompatible\n");
}
push @STUFF, $_;
next;
# Target
} elsif (/^-b$/) {
my $target = uc(shift @ARGV);
Error("link: <$_> unexpected target\n")
if ($target ne 'NT');
next;
} elsif (/^-m(console|windows)$/) {
my $target = $1;
Error("link: <$_> unexpected target\n")
if ($target ne 'console');
next;
# Debugger
} elsif (/^-g([wcd])$/) { # -g[wcd] Watcom,Codeview,Dwarf
$wc_debugger = $1;
next;
}
} elsif ('gcc' eq $cc) { # process
if (/^-g$/) { # -g
$gcc_debugger = 1;
next;
} elsif (/^-static-libstdc++$/ || /^-static-libgcc$/) {
push @STUFF, $_;
next;
}
}
push @STUFF, $_;
}
}
Error("link: unsupported compiler <$cc>")
if (!('cl' eq $cc || 'wcl386' eq $cc || 'owcc' eq $cc || 'gcc' eq $cc));
Error("link: unable to determine output")
if (!$output);
if ($linktype eq 'dll') {
Error("link: output file suffix not <.la>")
if ($output !~ /.la$/);
}
Verbose "cc: $cc";
Verbose "extra: @STUFF";
Verbose "ignored: @IGNORED";
Verbose "output: $output";
Verbose "objects:";
foreach(@OBJECTS) {
Verbose "\t$_";
}
MSVCRuntimeX64($cl_runtime, \@LIBRARIES)
if ($targetarch eq 'x64' && $cl_runtime);
Verbose "libraries:";
foreach(@LIBRARIES) { Verbose "\t$_"; }
my ($dll_version, $dll_major, $dll_minor) = ('', 0, 0);
if ($version_number) {
if ($version_number =~ /^\s*(\d+)\s*$/) {
# <major>
$dll_version = "$1.0"; # <name>major.0
$version_number = ".$1";
} elsif ($version_number =~ /^\s*(\d+):(\d+)$/) {
# <major>:<minor>
$dll_version = "$1.$2"; # major.minor
$version_number = ".$1.$2"; # <name>.<major.dll
} elsif ($version_number =~ /^\s*(\d+):(\d+):(\d+)$/) {
# <major>:<minor>:<revision>
$dll_version = "$1.$2"; # major.minor
$version_number = ".$1.$2.$3"; # <name>.<major.<revision>.dll
} elsif ($version_number =~ /^\s*(\d+)\s*\.\s*(\d+)$/) {
# <major>.<minor>
$dll_version = "$1.$2"; # major.minor
$version_number = ".$1.$2"; # <name>.<major.<minor>.dll
} elsif ($version_number =~ /^\s*(\d+)\s*\.\s*(\d+)\.\s*(\d+)$/) {
# <major>.<minor>.<revision>
$dll_version = "$1.$2"; # major.minor
$version_number = ".$1.$2.$3"; # <name>.<major.<revision>.dll
} else {
Error("link: invalid -version_number <$version_number>\n");
}
}
my ($cmdfile, $deffile, $cmd) = ("__libtool__.lnk", "__libtool__.def");
my $basedir = unix2dos(dirname($output));
my $basename = unix2dos(basename($output, '.la'));
my $basepath = $basedir.'\\'.$basename;
my $dllbasename = $dlbase ? unix2dos($dlbase) : $basename;
my $dllbasepath = $basedir.'\\'.$dllbasename;
my $dllname = "${dllbasename}${version_number}.dll";
my $dllpath = "${dllbasepath}${version_number}.dll";
my $pdbpath = "${dllbasepath}${version_number}.pdb";
my $mappath = ($mapfile ? $mapfile :
($linktype eq 'dll' ? "${dllbasepath}${version_number}.map" : "${basepath}.map"));
my $manifestpath = "${dllbasepath}${version_number}.dll.manifest";
my $libpath = "${basepath}.lib"; # import library
my $exppath = "${basepath}.exp"; # export library
# Notes:
# Export (.exp) files contain information about exported functions and data items. When LIB creates an import library, it also creates an .exp file.
# You use the .exp file when you link a program that both exports to and imports from another program, either directly or indirectly.
# If you link with an .exp file, LINK does not produce an import library, because it assumes that LIB already created one.
# For details about .exp files and import libraries, see "Working with Import Libraries and Export Files" (MSDN).
#
my $sympath = undef;
if ($linktype eq 'dll') {
my @BAD_OBJECTS = ();
for my $obj (@OBJECTS) { # usage warning
push @BAD_OBJECTS, $obj
if ($obj !~ /\.lo$/i);
}
if (scalar @BAD_OBJECTS) {
print "*** Warning: Linking the shared library ${output} against the\n";
print "*** non-libtool objects @BAD_OBJECTS is not portable!\n";
}
} elsif ($linktype eq 'exe') {
my @BAD_OBJECTS = ();
for my $obj (@OBJECTS) { # usage warning
push @BAD_OBJECTS, $obj
if ($obj =~ /\.lo$/i);
}
if (scalar @BAD_OBJECTS) {
print "*** Warning: Linking the executable ${output} against the\n";
print "*** non-libtool objects @BAD_OBJECTS is not portable!\n";
}
$output .= '.exe'
if ($output !~ /\.exe$/i);
}
if ('cl' eq $cc) {
#
# MSVC/Watcom
#
if (defined $ENV{'VCToolsInstallDir'}) { # 2010 plus
my $toolbase = $ENV{'VCToolsInstallDir'};
my $toolarch = "Hostx86\\x86";
$toolarch = "Hostx64\\x64" # x86 or x64
if ($targetarch eq 'x64');
$cmd = "\"${toolbase}\\bin\\${toolarch}\\link\" \@$cmdfile";
} elsif (defined $ENV{'VCINSTALLDIR'}) { # 2008
my $toolbase = $ENV{'VCINSTALLDIR'};
$cmd = "\"${toolbase}\\bin\\link\" \@$cmdfile";
} else { # default
$cmd = "link \@$cmdfile";
}
open(CMD, ">${cmdfile}") or
die "cannot create <${$cmdfile}>: $!\n";
print CMD "/MACHINE:${targetarch}\n"
if ($targetarch); # ARM|ARM64|ARM64X|EBC|X64|X86
if ($linktype eq 'dll') {
print CMD "/DLL\n";
print CMD "/SUBSYSTEM:WINDOWS\n";
if ($targetarch eq 'x64') { # cdecl
print CMD "/ENTRY:_DllMainCRTStartup"."\n";
} else { # STDCALL
print CMD "/ENTRY:_DllMainCRTStartup\@12"."\n";
}
print CMD "/OUT:${dllpath}\n";
print CMD "/IMPLIB:${libpath}\n";
} else {
print CMD "/SUBSYSTEM:CONSOLE\n";
print CMD "/OUT:${output}\n";
}
print CMD "/MANIFEST\n";
print CMD "/NXCOMPAT\n";
print CMD "/DYNAMICBASE\n";
print CMD "/MAP:${mappath}\n";
print CMD "/MAPINFO:EXPORTS\n";
print CMD "/VERSION:${dll_version}\n"
if ($dll_version);
print CMD "/NOLOGO\n"
if ($o_quiet || $o_silent);
print CMD "/OPT:REF\n";
if (defined $cl_debug) {
print CMD ($cl_debug ? $cl_debug : "/DEBUG") . "\n";
print CMD "/ASSEMBLYDEBUG\n";
}
print CMD "/INCREMENTAL:NO\n"; # after /DEBUG
print CMD "/LTCG\n"
if ($cl_ltcg);
print CMD "/IGNORE:4197\n" # FIXME: warning LNK4197: export 'XXXe' specified multiple times; using first specification
if ($targetarch eq 'x64');
foreach(@OBJECTS) {
print CMD true_object($_)."\n";
}
foreach(@RESOURCES) {
print CMD true_object($_)."\n";
}
if ($linktype eq 'dll') {
foreach(@EXPORTS) {
print CMD "/EXPORT:".MSVCExportDef($_)."\n";
}
}
foreach(@LIBPATHS) {
print CMD "/LIBPATH:$_\n";
}
foreach(@LIBRARIES) {
print CMD unix2dos(true_library($_))."\n";
}
close(CMD);
} elsif ('wcl386' eq $cc || 'owcc' eq $cc) {
#
# OpenWatcom
#
$cmd = "wlink @STUFF \@$cmdfile";
open(CMD, ">${cmdfile}") or
die "cannot create <${$cmdfile}>: $!\n";
if ($linktype eq 'dll') {
print CMD "system nt_dll initinstance terminstance\n";
#
# nt_dll: Windows NT Dynamic Link Libraries.
#
# When a dynamic link library uses the Watcom C/C++ run-time libraries, an automatic data
# segment is created each time a new process accesses the dynamic link library. For this reason,
# initialization code must be executed when a process accesses the dynamic link library for the
# first time. To achieve this, "INITINSTANCE" must be specified in the "SYSTEM" directive.
# Similarly, "TERMINSTANCE" must be specified so that the termination code is executed when
# a process has completed its access to the dynamic link library. If the Watcom C/C++ run-time
# libraries are not used, these options are not required.
#
print CMD "name ${dllpath}\n";
print CMD "option implib=${libpath}\n";
print CMD "option checksum\n"; # create an MS-CRC32 checksum for image.
} else {
print CMD "system nt\n";
#
# nt: Windows NT Character-Mode Executable.
# nt_win: Windows NT Windowed Executable.
#
print CMD "name ${output}\n";
}
# print CMD "option modname='${modulepath}'\n";
# print CMD "option copyright=''\n";
# print CMD "option description=${DESCRIPTION}\n"
# if ($DESCRIPTION);
print CMD "option version=${dll_version}\n"
if ($dll_version);
print CMD "option map=${mappath}\n";
print CMD "option static\n"; # export statics within the map file.
print CMD "option artificial\n"; # export internal symbols.
print CMD "sort\n"; # sort symbol by address.
print CMD "option quiet\n"
if ($o_quiet || $o_silent);
if (! $wc_debugger) { # options are exclusive; plus before objects.
$sympath = "${dllbasepath}${version_number}.sym";
print CMD "option symfile=${sympath}\n";
#XXX: consider default when -d1, allowing use within a production environment
} elsif ($wc_debugger eq 'w') {
print CMD "debug watcom all\n"; # 'watcom all' is fatal at times!