mirror of
https://github.com/crazywhalecc/static-php-cli.git
synced 2026-03-18 04:44:53 +08:00
Use separated functions for exporting symbols
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@ -318,6 +318,8 @@ class LinuxBuilder extends UnixBuilderBase
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if (getenv('SPC_CMD_VAR_PHP_EMBED_TYPE') === 'static') {
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$AR = getenv('AR') ?: 'ar';
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f_passthru("{$AR} -t " . BUILD_LIB_PATH . "/libphp.a | grep '\\.a$' | xargs -n1 {$AR} d " . BUILD_LIB_PATH . '/libphp.a');
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// export dynamic symbols
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SystemUtil::exportDynamicSymbols(BUILD_LIB_PATH . '/libphp.a');
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}
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if (!$this->getOption('no-strip', false) && file_exists(BUILD_LIB_PATH . '/' . $realLibName)) {
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@ -252,6 +252,8 @@ class MacOSBuilder extends UnixBuilderBase
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if (getenv('SPC_CMD_VAR_PHP_EMBED_TYPE') === 'static') {
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$AR = getenv('AR') ?: 'ar';
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f_passthru("{$AR} -t " . BUILD_LIB_PATH . "/libphp.a | grep '\\.a$' | xargs -n1 {$AR} d " . BUILD_LIB_PATH . '/libphp.a');
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// export dynamic symbols
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SystemUtil::exportDynamicSymbols(BUILD_LIB_PATH . '/libphp.a');
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}
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$this->patchPhpScripts();
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}
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@ -4,15 +4,88 @@ declare(strict_types=1);
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namespace SPC\builder\traits;
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/**
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* Unix 系统的工具函数 Trait,适用于 Linux、macOS
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*/
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use SPC\exception\ExecutionException;
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use SPC\exception\WrongUsageException;
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use SPC\toolchain\ToolchainManager;
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use SPC\toolchain\ZigToolchain;
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use SPC\util\SPCTarget;
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trait UnixSystemUtilTrait
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{
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/**
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* @param string $name 命令名称
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* @param array $paths 寻找的目标路径(如果不传入,则使用环境变量 PATH)
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* @return null|string 找到了返回命令路径,找不到返回 null
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* Export static library dynamic symbols to a .dynsym file.
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* It will export to "/path/to/libxxx.a.dynsym".
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*
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* @param string $lib_file Static library file path (e.g. /path/to/libxxx.a)
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*/
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public static function exportDynamicSymbols(string $lib_file): void
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{
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// check
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if (!is_file($lib_file)) {
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throw new WrongUsageException("The lib archive file {$lib_file} does not exist, please build it first.");
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}
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// shell out
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$cmd = 'nm -g --defined-only -P ' . escapeshellarg($lib_file);
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$result = shell()->execWithResult($cmd);
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if ($result[0] !== 0) {
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throw new ExecutionException($cmd, 'Failed to get defined symbols from ' . $lib_file);
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}
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// parse shell output and filter
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$defined = [];
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foreach ($result[1] as $line) {
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$line = trim($line);
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if ($line === '' || str_ends_with($line, '.o:') || str_ends_with($line, '.o]:')) {
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continue;
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}
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$name = strtok($line, " \t");
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if (!$name) {
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continue;
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}
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$name = preg_replace('/@.*$/', '', $name);
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if ($name !== '' && $name !== false) {
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$defined[] = $name;
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}
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}
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$defined = array_unique($defined);
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sort($defined);
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// export
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if (SPCTarget::getTargetOS() === 'Linux') {
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file_put_contents("{$lib_file}.dynsym", "{\n" . implode("\n", array_map(fn ($x) => " {$x};", $defined)) . "};\n");
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} else {
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file_put_contents("{$lib_file}.dynsym", implode("\n", $defined) . "\n");
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}
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}
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/**
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* Get linker flag to export dynamic symbols from a static library.
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*
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* @param string $lib_file Static library file path (e.g. /path/to/libxxx.a)
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* @return null|string Linker flag to export dynamic symbols, null if no .dynsym file found
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*/
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public static function getDynamicExportedSymbols(string $lib_file): ?string
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{
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$symbol_file = "{$lib_file}.dynsym";
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if (!is_file($symbol_file)) {
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return null;
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}
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// https://github.com/ziglang/zig/issues/24662
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if (ToolchainManager::getToolchainClass() === ZigToolchain::class) {
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return '-Wl,--export-dynamic';
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}
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// macOS
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if (SPCTarget::getTargetOS() !== 'Linux') {
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return "-Wl,-exported_symbols_list,{$symbol_file}";
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}
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return "-Wl,--dynamic-list={$symbol_file}";
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}
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/**
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* Find a command in given paths or system PATH.
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* If $name is an absolute path, check if it exists.
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*
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* @param string $name Command name or absolute path
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* @param array $paths Paths to search, if empty, use system PATH
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* @return null|string Absolute path of the command if found, null otherwise
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*/
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public static function findCommand(string $name, array $paths = []): ?string
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{
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@ -31,6 +104,8 @@ trait UnixSystemUtilTrait
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}
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/**
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* Make environment variable string for shell command.
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*
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* @param array $vars Variables, like: ["CFLAGS" => "-Ixxx"]
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* @return string like: CFLAGS="-Ixxx"
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*/
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@ -5,6 +5,7 @@ declare(strict_types=1);
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namespace SPC\builder\unix;
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use SPC\builder\BuilderBase;
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use SPC\builder\linux\SystemUtil as LinuxSystemUtil;
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use SPC\exception\SPCInternalException;
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use SPC\exception\ValidationException;
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use SPC\exception\WrongUsageException;
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@ -15,7 +16,6 @@ use SPC\store\FileSystem;
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use SPC\store\pkg\GoXcaddy;
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use SPC\toolchain\GccNativeToolchain;
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use SPC\toolchain\ToolchainManager;
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use SPC\toolchain\ZigToolchain;
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use SPC\util\DependencyUtil;
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use SPC\util\GlobalEnvManager;
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use SPC\util\SPCConfigUtil;
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@ -32,68 +32,6 @@ abstract class UnixBuilderBase extends BuilderBase
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/** @var string LD flags */
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public string $arch_ld_flags;
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private ?string $dynamic_export_list = null;
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public function getDynamicExportSymbolsArgument(): ?string
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{
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if ($this->dynamic_export_list) {
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return $this->dynamic_export_list;
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}
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if (SPCTarget::isStatic()) {
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return null;
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}
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$defined = [];
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$libphp = BUILD_LIB_PATH . '/libphp.a';
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if (!is_file($libphp)) {
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throw new WrongUsageException('You must build libphp.a before calling this function.');
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}
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if ($out = shell_exec('nm -g --defined-only -P ' . escapeshellarg($libphp) . ' 2>/dev/null')) {
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foreach (preg_split('/\R/', trim($out)) as $line) {
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if ($line === '' || str_ends_with($line, '.o:') || str_ends_with($line, '.o]:')) {
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continue;
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}
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$name = strtok($line, " \t");
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if (!$name) {
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continue;
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}
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$name = preg_replace('/@.*$/', '', $name);
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if ($name !== '' && $name !== false) {
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$defined[] = $name;
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}
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}
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}
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$defined = array_unique($defined);
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sort($defined);
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$exportList = BUILD_LIB_PATH . '/export-dynamic.list';
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$lines = [];
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if (SPCTarget::getTargetOS() === 'Linux') {
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$lines[] = '{';
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foreach ($defined as $sym) {
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$lines[] = " {$sym};";
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}
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$lines[] = '};';
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} else {
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foreach ($defined as $sym) {
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$lines[] = $sym;
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}
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}
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file_put_contents($exportList, implode("\n", $lines) . "\n");
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$argument = "-Wl,--dynamic-list={$exportList}";
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if (ToolchainManager::getToolchainClass() === ZigToolchain::class) {
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$argument = '-Wl,--export-dynamic'; // https://github.com/ziglang/zig/issues/24662
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}
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if (SPCTarget::getTargetOS() !== 'Linux') {
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$argument = "-Wl,-exported_symbols_list,{$exportList}";
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}
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$this->dynamic_export_list = $argument;
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return $argument;
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}
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public function proveLibs(array $sorted_libraries): void
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{
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// search all supported libs
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@ -215,11 +153,13 @@ abstract class UnixBuilderBase extends BuilderBase
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foreach (glob(BUILD_LIB_PATH . "/libphp*.{$suffix}") as $file) {
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unlink($file);
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}
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if ($dynamicSymbolsArgument = $this->getDynamicExportSymbolsArgument()) {
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$dynamic_exports = ' ' . $dynamicSymbolsArgument;
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// calling linux system util in other unix OS is okay
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if ($dynamic_exports = LinuxSystemUtil::getDynamicExportedSymbols(BUILD_LIB_PATH . '/libphp.a')) {
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$dynamic_exports = ' ' . $dynamic_exports;
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}
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}
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[$ret, $out] = shell()->cd($sample_file_path)->execWithResult(getenv('CC') . ' -o embed embed.c ' . $lens . ' ' . $dynamic_exports);
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$cc = getenv('CC');
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[$ret, $out] = shell()->cd($sample_file_path)->execWithResult("{$cc} -o embed embed.c {$lens} {$dynamic_exports}");
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if ($ret !== 0) {
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throw new ValidationException(
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'embed failed sanity check: build failed. Error message: ' . implode("\n", $out),
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@ -338,7 +278,7 @@ abstract class UnixBuilderBase extends BuilderBase
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if (getenv('SPC_CMD_VAR_PHP_EMBED_TYPE') === 'shared') {
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$libphpVersion = preg_replace('/\.\d+$/', '', $libphpVersion);
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} else {
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if ($dynamicSymbolsArgument = $this->getDynamicExportSymbolsArgument()) {
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if ($dynamicSymbolsArgument = LinuxSystemUtil::getDynamicExportedSymbols(BUILD_LIB_PATH . '/libphp.a')) {
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$dynamic_exports = ' ' . $dynamicSymbolsArgument;
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}
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}
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