Export php binary debug symbols for mac, linux and windows

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crazywhalecc 2025-10-31 16:48:21 +08:00
parent b05bdcd83d
commit 5a6a33303c
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GPG Key ID: 1F4BDD59391F2680
5 changed files with 151 additions and 138 deletions

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@ -5,7 +5,6 @@ declare(strict_types=1);
namespace SPC\builder\linux;
use SPC\builder\unix\UnixBuilderBase;
use SPC\exception\PatchException;
use SPC\exception\WrongUsageException;
use SPC\store\Config;
use SPC\store\FileSystem;
@ -194,14 +193,6 @@ class LinuxBuilder extends UnixBuilderBase
SourcePatcher::patchFile('musl_static_readline.patch', SOURCE_PATH . '/php-src', true);
}
if (!$this->getOption('no-strip', false)) {
shell()->cd(SOURCE_PATH . '/php-src/sapi/cli')->exec('strip --strip-unneeded php');
}
if ($this->getOption('with-upx-pack')) {
shell()->cd(SOURCE_PATH . '/php-src/sapi/cli')
->exec(getenv('UPX_EXEC') . ' --best php');
}
$this->deployBinary(BUILD_TARGET_CLI);
}
@ -213,14 +204,6 @@ class LinuxBuilder extends UnixBuilderBase
->exec('sed -i "s|//lib|/lib|g" Makefile')
->exec("make {$concurrency} {$vars} cgi");
if (!$this->getOption('no-strip', false)) {
shell()->cd(SOURCE_PATH . '/php-src/sapi/cgi')->exec('strip --strip-unneeded php-cgi');
}
if ($this->getOption('with-upx-pack')) {
shell()->cd(SOURCE_PATH . '/php-src/sapi/cgi')
->exec(getenv('UPX_EXEC') . ' --best php-cgi');
}
$this->deployBinary(BUILD_TARGET_CGI);
}
@ -232,29 +215,29 @@ class LinuxBuilder extends UnixBuilderBase
if ($this->getPHPVersionID() < 80000) {
throw new WrongUsageException('phpmicro only support PHP >= 8.0!');
}
if ($this->getExt('phar')) {
$this->phar_patched = true;
SourcePatcher::patchMicroPhar($this->getPHPVersionID());
}
try {
if ($this->getExt('phar')) {
$this->phar_patched = true;
SourcePatcher::patchMicroPhar($this->getPHPVersionID());
}
$enable_fake_cli = $this->getOption('with-micro-fake-cli', false) ? ' -DPHP_MICRO_FAKE_CLI' : '';
$vars = $this->getMakeExtraVars();
$enable_fake_cli = $this->getOption('with-micro-fake-cli', false) ? ' -DPHP_MICRO_FAKE_CLI' : '';
$vars = $this->getMakeExtraVars();
// patch fake cli for micro
$vars['EXTRA_CFLAGS'] .= $enable_fake_cli;
$vars = SystemUtil::makeEnvVarString($vars);
$concurrency = getenv('SPC_CONCURRENCY') ? '-j' . getenv('SPC_CONCURRENCY') : '';
// patch fake cli for micro
$vars['EXTRA_CFLAGS'] .= $enable_fake_cli;
$vars = SystemUtil::makeEnvVarString($vars);
$concurrency = getenv('SPC_CONCURRENCY') ? '-j' . getenv('SPC_CONCURRENCY') : '';
shell()->cd(SOURCE_PATH . '/php-src')
->exec('sed -i "s|//lib|/lib|g" Makefile')
->exec("make {$concurrency} {$vars} micro");
shell()->cd(SOURCE_PATH . '/php-src')
->exec('sed -i "s|//lib|/lib|g" Makefile')
->exec("make {$concurrency} {$vars} micro");
$this->processMicroUPX();
$this->deployBinary(BUILD_TARGET_MICRO);
if ($this->phar_patched) {
SourcePatcher::unpatchMicroPhar();
$this->deployBinary(BUILD_TARGET_MICRO);
} finally {
if ($this->phar_patched) {
SourcePatcher::unpatchMicroPhar();
}
}
}
@ -269,13 +252,6 @@ class LinuxBuilder extends UnixBuilderBase
->exec('sed -i "s|//lib|/lib|g" Makefile')
->exec("make {$concurrency} {$vars} fpm");
if (!$this->getOption('no-strip', false)) {
shell()->cd(SOURCE_PATH . '/php-src/sapi/fpm')->exec('strip --strip-unneeded php-fpm');
}
if ($this->getOption('with-upx-pack')) {
shell()->cd(SOURCE_PATH . '/php-src/sapi/fpm')
->exec(getenv('UPX_EXEC') . ' --best php-fpm');
}
$this->deployBinary(BUILD_TARGET_FPM);
}
@ -390,31 +366,4 @@ class LinuxBuilder extends UnixBuilderBase
'EXTRA_LDFLAGS_PROGRAM' => "-L{$lib} {$static} -pie",
]);
}
/**
* Strip micro.sfx for Linux.
* The micro.sfx does not support UPX directly, but we can remove UPX-info segment to adapt.
* This will also make micro.sfx with upx-packed more like a malware fore antivirus :(
*/
private function processMicroUPX(): void
{
if (version_compare($this->getMicroVersion(), '0.2.0') >= 0 && !$this->getOption('no-strip', false)) {
shell()->exec('strip --strip-unneeded ' . SOURCE_PATH . '/php-src/sapi/micro/micro.sfx');
if ($this->getOption('with-upx-pack')) {
// strip first
shell()->exec(getenv('UPX_EXEC') . ' --best ' . SOURCE_PATH . '/php-src/sapi/micro/micro.sfx');
// cut binary with readelf
[$ret, $out] = shell()->execWithResult('readelf -l ' . SOURCE_PATH . '/php-src/sapi/micro/micro.sfx | awk \'/LOAD|GNU_STACK/ {getline; print $1, $2, $3, $4, $6, $7}\'');
$out[1] = explode(' ', $out[1]);
$offset = $out[1][0];
if ($ret !== 0 || !str_starts_with($offset, '0x')) {
throw new PatchException('phpmicro UPX patcher', 'Cannot find offset in readelf output');
}
$offset = hexdec($offset);
// remove upx extra wastes
file_put_contents(SOURCE_PATH . '/php-src/sapi/micro/micro.sfx', substr(file_get_contents(SOURCE_PATH . '/php-src/sapi/micro/micro.sfx'), 0, $offset));
}
}
}
}

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@ -189,9 +189,6 @@ class MacOSBuilder extends UnixBuilderBase
$shell = shell()->cd(SOURCE_PATH . '/php-src');
$concurrency = getenv('SPC_CONCURRENCY') ? '-j' . getenv('SPC_CONCURRENCY') : '';
$shell->exec("make {$concurrency} {$vars} cli");
if (!$this->getOption('no-strip', false)) {
$shell->exec('dsymutil -f sapi/cli/php')->exec('strip -S sapi/cli/php');
}
$this->deployBinary(BUILD_TARGET_CLI);
}
@ -202,9 +199,6 @@ class MacOSBuilder extends UnixBuilderBase
$shell = shell()->cd(SOURCE_PATH . '/php-src');
$concurrency = getenv('SPC_CONCURRENCY') ? '-j' . getenv('SPC_CONCURRENCY') : '';
$shell->exec("make {$concurrency} {$vars} cgi");
if (!$this->getOption('no-strip', false)) {
$shell->exec('dsymutil -f sapi/cgi/php-cgi')->exec('strip -S sapi/cgi/php-cgi');
}
$this->deployBinary(BUILD_TARGET_CGI);
}
@ -216,31 +210,30 @@ class MacOSBuilder extends UnixBuilderBase
if ($this->getPHPVersionID() < 80000) {
throw new WrongUsageException('phpmicro only support PHP >= 8.0!');
}
if ($this->getExt('phar')) {
$this->phar_patched = true;
SourcePatcher::patchMicroPhar($this->getPHPVersionID());
}
$enable_fake_cli = $this->getOption('with-micro-fake-cli', false) ? ' -DPHP_MICRO_FAKE_CLI' : '';
$vars = $this->getMakeExtraVars();
try {
if ($this->getExt('phar')) {
$this->phar_patched = true;
SourcePatcher::patchMicroPhar($this->getPHPVersionID());
}
// patch fake cli for micro
$vars['EXTRA_CFLAGS'] .= $enable_fake_cli;
$vars = SystemUtil::makeEnvVarString($vars);
$enable_fake_cli = $this->getOption('with-micro-fake-cli', false) ? ' -DPHP_MICRO_FAKE_CLI' : '';
$vars = $this->getMakeExtraVars();
$shell = shell()->cd(SOURCE_PATH . '/php-src');
// build
$concurrency = getenv('SPC_CONCURRENCY') ? '-j' . getenv('SPC_CONCURRENCY') : '';
$shell->exec("make {$concurrency} {$vars} micro");
// strip
if (!$this->getOption('no-strip', false)) {
$shell->exec('dsymutil -f sapi/micro/micro.sfx')->exec('strip -S sapi/micro/micro.sfx');
}
// patch fake cli for micro
$vars['EXTRA_CFLAGS'] .= $enable_fake_cli;
$vars = SystemUtil::makeEnvVarString($vars);
$this->deployBinary(BUILD_TARGET_MICRO);
$shell = shell()->cd(SOURCE_PATH . '/php-src');
// build
$concurrency = getenv('SPC_CONCURRENCY') ? '-j' . getenv('SPC_CONCURRENCY') : '';
$shell->exec("make {$concurrency} {$vars} micro");
if ($this->phar_patched) {
SourcePatcher::unpatchMicroPhar();
$this->deployBinary(BUILD_TARGET_MICRO);
} finally {
if ($this->phar_patched) {
SourcePatcher::unpatchMicroPhar();
}
}
}
@ -254,9 +247,6 @@ class MacOSBuilder extends UnixBuilderBase
$shell = shell()->cd(SOURCE_PATH . '/php-src');
$concurrency = getenv('SPC_CONCURRENCY') ? '-j' . getenv('SPC_CONCURRENCY') : '';
$shell->exec("make {$concurrency} {$vars} fpm");
if (!$this->getOption('no-strip', false)) {
$shell->exec('dsymutil -f sapi/fpm/php-fpm')->exec('strip -S sapi/fpm/php-fpm');
}
$this->deployBinary(BUILD_TARGET_FPM);
}

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@ -6,6 +6,7 @@ namespace SPC\builder\unix;
use SPC\builder\BuilderBase;
use SPC\builder\linux\SystemUtil as LinuxSystemUtil;
use SPC\exception\PatchException;
use SPC\exception\SPCException;
use SPC\exception\SPCInternalException;
use SPC\exception\ValidationException;
@ -210,21 +211,71 @@ abstract class UnixBuilderBase extends BuilderBase
/**
* Deploy the binary file to the build bin path.
*
* @param int $type Type integer, one of BUILD_TARGET_CLI, BUILD_TARGET_MICRO, BUILD_TARGET_FPM
* @param int $type Type integer, one of BUILD_TARGET_CLI, BUILD_TARGET_MICRO, BUILD_TARGET_FPM, BUILD_TARGET_CGI, BUILD_TARGET_FRANKENPHP
*/
protected function deployBinary(int $type): bool
protected function deployBinary(int $type): void
{
FileSystem::createDir(BUILD_BIN_PATH);
$copy_files = [];
$src = match ($type) {
BUILD_TARGET_CLI => SOURCE_PATH . '/php-src/sapi/cli/php',
BUILD_TARGET_MICRO => SOURCE_PATH . '/php-src/sapi/micro/micro.sfx',
BUILD_TARGET_FPM => SOURCE_PATH . '/php-src/sapi/fpm/php-fpm',
BUILD_TARGET_CGI => SOURCE_PATH . '/php-src/sapi/cgi/php-cgi',
BUILD_TARGET_FRANKENPHP => BUILD_BIN_PATH . '/frankenphp',
default => throw new SPCInternalException("Deployment does not accept type {$type}"),
};
logger()->info('Deploying ' . $this->getBuildTypeName($type) . ' file');
FileSystem::createDir(BUILD_BIN_PATH);
shell()->exec('cp ' . escapeshellarg($src) . ' ' . escapeshellarg(BUILD_BIN_PATH));
return true;
$no_strip_option = (bool) $this->getOption('no-strip', false);
$upx_option = (bool) $this->getOption('with-upx-pack', false);
// Generate debug symbols if needed
$copy_files[] = $src;
if (!$no_strip_option && PHP_OS_FAMILY === 'Darwin') {
shell()
->exec("dsymutil -f {$src}") // generate .dwarf file
->exec("strip -S {$src}"); // strip unneeded symbols
$copy_files[] = "{$src}.dwarf";
} elseif (!$no_strip_option && PHP_OS_FAMILY === 'Linux') {
shell()
->exec("objcopy --only-keep-debug {$src} {$src}.debug") // extract debug symbols
->exec("objcopy --strip-debug --add-gnu-debuglink={$src}.debug {$src}") // link debug symbols
->exec("strip --strip-unneeded {$src}"); // strip unneeded symbols
$copy_files[] = "{$src}.debug";
}
// Compress binary with UPX if needed (only for Linux)
if ($upx_option && PHP_OS_FAMILY === 'Linux') {
if ($no_strip_option) {
logger()->warning('UPX compression is not recommended when --no-strip is enabled.');
}
logger()->info("Compressing {$src} with UPX");
shell()->exec(getenv('UPX_EXEC') . " --best {$src}");
// micro needs special section handling in LinuxBuilder.
// The micro.sfx does not support UPX directly, but we can remove UPX-info segment to adapt.
// This will also make micro.sfx with upx-packed more like a malware fore antivirus :(
if ($type === BUILD_TARGET_MICRO && version_compare($this->getMicroVersion(), '0.2.0') >= 0) {
// strip first
// cut binary with readelf
[$ret, $out] = shell()->execWithResult("readelf -l {$src} | awk '/LOAD|GNU_STACK/ {getline; print \$1, \$2, \$3, \$4, \$6, \$7}'");
$out[1] = explode(' ', $out[1]);
$offset = $out[1][0];
if ($ret !== 0 || !str_starts_with($offset, '0x')) {
throw new PatchException('phpmicro UPX patcher', 'Cannot find offset in readelf output');
}
$offset = hexdec($offset);
// remove upx extra wastes
file_put_contents($src, substr(file_get_contents($src), 0, $offset));
}
}
// Copy files
foreach ($copy_files as $file) {
if (!file_exists($file)) {
throw new SPCInternalException("Deploy failed. Cannot find file: {$file}");
}
FileSystem::copy($file, BUILD_BIN_PATH . '/' . basename($file));
}
}
/**
@ -325,13 +376,7 @@ abstract class UnixBuilderBase extends BuilderBase
->setEnv($env)
->exec("xcaddy build --output frankenphp {$xcaddyModules}");
if (!$this->getOption('no-strip', false) && file_exists(BUILD_BIN_PATH . '/frankenphp')) {
if (PHP_OS_FAMILY === 'Linux') {
shell()->cd(BUILD_BIN_PATH)->exec('strip --strip-unneeded frankenphp');
} else { // macOS doesn't understand strip-unneeded
shell()->cd(BUILD_BIN_PATH)->exec('strip -S frankenphp');
}
}
$this->deployBinary(BUILD_TARGET_FRANKENPHP);
}
/**

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@ -67,21 +67,6 @@ class WindowsBuilder extends BuilderBase
$zts = $this->zts ? '--enable-zts=yes ' : '--enable-zts=no ';
// with-upx-pack for phpmicro
if ($enableMicro && version_compare($this->getMicroVersion(), '0.2.0') < 0) {
$makefile = FileSystem::convertPath(SOURCE_PATH . '/php-src/sapi/micro/Makefile.frag.w32');
if ($this->getOption('with-upx-pack', false)) {
if (!file_exists($makefile . '.originfile')) {
copy($makefile, $makefile . '.originfile');
FileSystem::replaceFileStr($makefile, '$(MICRO_SFX):', '_MICRO_UPX = ' . getenv('UPX_EXEC') . " --best $(MICRO_SFX)\n$(MICRO_SFX):");
FileSystem::replaceFileStr($makefile, '@$(_MICRO_MT)', "@$(_MICRO_MT)\n\t@$(_MICRO_UPX)");
}
} elseif (file_exists($makefile . '.originfile')) {
copy($makefile . '.originfile', $makefile);
unlink($makefile . '.originfile');
}
}
$opcache_jit = !$this->getOption('disable-opcache-jit', false);
$opcache_jit_arg = $opcache_jit ? '--enable-opcache-jit=yes ' : '--enable-opcache-jit=no ';
@ -145,7 +130,7 @@ class WindowsBuilder extends BuilderBase
}
}
public function testPHP(int $build_target = BUILD_TARGET_NONE)
public function testPHP(int $build_target = BUILD_TARGET_NONE): void
{
$this->sanityCheck($build_target);
}
@ -156,8 +141,23 @@ class WindowsBuilder extends BuilderBase
$extra_libs = getenv('SPC_EXTRA_LIBS') ?: '';
// Add debug symbols for release build if --no-strip is specified
// We need to modify CFLAGS to replace /Ox with /Zi and add /DEBUG to LDFLAGS
$debug_overrides = '';
if ($this->getOption('no-strip', false)) {
// Read current CFLAGS from Makefile and replace optimization flags
$makefile_content = file_get_contents(SOURCE_PATH . '\php-src\Makefile');
if (preg_match('/^CFLAGS=(.+?)$/m', $makefile_content, $matches)) {
$cflags = $matches[1];
// Replace /Ox (full optimization) with /Zi (debug info) and /Od (disable optimization)
// Keep optimization for speed: /O2 /Zi instead of /Od /Zi
$cflags = str_replace('/Ox ', '/O2 /Zi ', $cflags);
$debug_overrides = '"CFLAGS=' . $cflags . '" "LDFLAGS=/DEBUG /LTCG /INCREMENTAL:NO" "LDFLAGS_CLI=/DEBUG" ';
}
}
// add nmake wrapper
FileSystem::writeFile(SOURCE_PATH . '\php-src\nmake_cli_wrapper.bat', "nmake /nologo LIBS_CLI=\"ws2_32.lib shell32.lib {$extra_libs}\" EXTRA_LD_FLAGS_PROGRAM= %*");
FileSystem::writeFile(SOURCE_PATH . '\php-src\nmake_cli_wrapper.bat', "nmake /nologo {$debug_overrides}LIBS_CLI=\"ws2_32.lib shell32.lib {$extra_libs}\" EXTRA_LD_FLAGS_PROGRAM= %*");
cmd()->cd(SOURCE_PATH . '\php-src')->exec("{$this->sdk_prefix} nmake_cli_wrapper.bat --task-args php.exe");
@ -170,8 +170,19 @@ class WindowsBuilder extends BuilderBase
$extra_libs = getenv('SPC_EXTRA_LIBS') ?: '';
// Add debug symbols for release build if --no-strip is specified
$debug_overrides = '';
if ($this->getOption('no-strip', false)) {
$makefile_content = file_get_contents(SOURCE_PATH . '\php-src\Makefile');
if (preg_match('/^CFLAGS=(.+?)$/m', $makefile_content, $matches)) {
$cflags = $matches[1];
$cflags = str_replace('/Ox ', '/O2 /Zi ', $cflags);
$debug_overrides = '"CFLAGS=' . $cflags . '" "LDFLAGS=/DEBUG /LTCG /INCREMENTAL:NO" "LDFLAGS_CGI=/DEBUG" ';
}
}
// add nmake wrapper
FileSystem::writeFile(SOURCE_PATH . '\php-src\nmake_cgi_wrapper.bat', "nmake /nologo LIBS_CGI=\"ws2_32.lib kernel32.lib advapi32.lib {$extra_libs}\" EXTRA_LD_FLAGS_PROGRAM= %*");
FileSystem::writeFile(SOURCE_PATH . '\php-src\nmake_cgi_wrapper.bat', "nmake /nologo {$debug_overrides}LIBS_CGI=\"ws2_32.lib kernel32.lib advapi32.lib {$extra_libs}\" EXTRA_LD_FLAGS_PROGRAM= %*");
cmd()->cd(SOURCE_PATH . '\php-src')->exec("{$this->sdk_prefix} nmake_cgi_wrapper.bat --task-args php-cgi.exe");
@ -202,9 +213,20 @@ class WindowsBuilder extends BuilderBase
$extra_libs = getenv('SPC_EXTRA_LIBS') ?: '';
// Add debug symbols for release build if --no-strip is specified
$debug_overrides = '';
if ($this->getOption('no-strip', false) && !$this->getOption('debug', false)) {
$makefile_content = file_get_contents(SOURCE_PATH . '\php-src\Makefile');
if (preg_match('/^CFLAGS=(.+?)$/m', $makefile_content, $matches)) {
$cflags = $matches[1];
$cflags = str_replace('/Ox ', '/O2 /Zi ', $cflags);
$debug_overrides = '"CFLAGS=' . $cflags . '" "LDFLAGS=/DEBUG /LTCG /INCREMENTAL:NO" "LDFLAGS_MICRO=/DEBUG" ';
}
}
// add nmake wrapper
$fake_cli = $this->getOption('with-micro-fake-cli', false) ? ' /DPHP_MICRO_FAKE_CLI" ' : '';
$wrapper = "nmake /nologo LIBS_MICRO=\"ws2_32.lib shell32.lib {$extra_libs}\" CFLAGS_MICRO=\"/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1{$fake_cli}\" %*";
$wrapper = "nmake /nologo {$debug_overrides}LIBS_MICRO=\"ws2_32.lib shell32.lib {$extra_libs}\" CFLAGS_MICRO=\"/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1{$fake_cli}\" %*";
FileSystem::writeFile(SOURCE_PATH . '\php-src\nmake_micro_wrapper.bat', $wrapper);
// phar patch for micro
@ -335,28 +357,32 @@ class WindowsBuilder extends BuilderBase
*
* @param int $type Deploy type
*/
public function deployBinary(int $type): bool
public function deployBinary(int $type): void
{
$rel_type = 'Release'; // TODO: Debug build support
$ts = $this->zts ? '_TS' : '';
$src = match ($type) {
BUILD_TARGET_CLI => SOURCE_PATH . "\\php-src\\x64\\Release{$ts}\\php.exe",
BUILD_TARGET_MICRO => SOURCE_PATH . "\\php-src\\x64\\Release{$ts}\\micro.sfx",
BUILD_TARGET_CGI => SOURCE_PATH . "\\php-src\\x64\\Release{$ts}\\php-cgi.exe",
BUILD_TARGET_CLI => [SOURCE_PATH . "\\php-src\\x64\\{$rel_type}{$ts}", 'php.exe', 'php.pdb'],
BUILD_TARGET_MICRO => [SOURCE_PATH . "\\php-src\\x64\\{$rel_type}{$ts}", 'micro.sfx', 'micro.pdb'],
BUILD_TARGET_CGI => [SOURCE_PATH . "\\php-src\\x64\\{$rel_type}{$ts}", 'php-cgi.exe', 'php-cgi.pdb'],
default => throw new SPCInternalException("Deployment does not accept type {$type}"),
};
// with-upx-pack for cli and micro
if ($this->getOption('with-upx-pack', false)) {
if ($type === BUILD_TARGET_CLI || $type === BUILD_TARGET_CGI || ($type === BUILD_TARGET_MICRO && version_compare($this->getMicroVersion(), '0.2.0') >= 0)) {
cmd()->exec(getenv('UPX_EXEC') . ' --best ' . escapeshellarg($src));
cmd()->exec(getenv('UPX_EXEC') . ' --best ' . escapeshellarg("{$src[0]}\\{$src[1]}"));
}
}
logger()->info('Deploying ' . $this->getBuildTypeName($type) . ' file');
FileSystem::createDir(BUILD_BIN_PATH);
cmd()->exec('copy ' . escapeshellarg($src) . ' ' . escapeshellarg(BUILD_BIN_PATH . '\\'));
return true;
cmd()->exec('copy ' . escapeshellarg("{$src[0]}\\{$src[1]}") . ' ' . escapeshellarg(BUILD_BIN_PATH . '\\'));
if ($this->getOption('no-strip', false) && file_exists("{$src[0]}\\{$src[2]}")) {
logger()->info('Deploying ' . $this->getBuildTypeName($type) . ' debug symbols');
cmd()->exec('copy ' . escapeshellarg("{$src[0]}\\{$src[2]}") . ' ' . escapeshellarg(BUILD_BIN_PATH . '\\'));
}
}
/**

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@ -174,6 +174,9 @@ class FileSystem
logger()->debug("Copying file from {$from} to {$to}");
$dst_path = FileSystem::convertPath($to);
$src_path = FileSystem::convertPath($from);
if ($src_path === $dst_path) {
return;
}
if (!copy($src_path, $dst_path)) {
throw new FileSystemException('Cannot copy file from ' . $src_path . ' to ' . $dst_path);
}