Revert "add cache file option to autoconf executor by default (if cflags and ldflags match default)"

This reverts commit 5577cd0fab770028fb5cad9560ac8750c4c53182.

src/SPC/builder/linux/library/libffi.php

@@ -18,8 +18,13 @@ class libffi extends LinuxLibraryBase
      */
     public function build(): void
     {
+        $arch = getenv('SPC_ARCH');
         UnixAutoconfExecutor::create($this)
-            ->configure()
+            ->configure(
+                "--host={$arch}-unknown-linux",
+                "--target={$arch}-unknown-linux",
+                "--libdir={$this->getLibDir()}"
+            )
             ->make();
 
         if (is_file(BUILD_ROOT_PATH . '/lib64/libffi.a')) {

src/SPC/builder/unix/library/gettext.php

@@ -24,7 +24,7 @@ trait gettext
         if ($this->builder->getOption('enable-zts')) {
             $autoconf->addConfigureArgs('--enable-threads=isoc+posix')
                 ->appendEnv([
-                    'CFLAGS' => '-D_REENTRANT',
+                    'CFLAGS' => '-lpthread -D_REENTRANT',
                     'LDFLGAS' => '-lpthread',
                 ]);
         } else {

src/SPC/builder/unix/library/unixodbc.php

@@ -17,7 +17,6 @@ trait unixodbc
     protected function build(): void
     {
         UnixAutoconfExecutor::create($this)
-            ->removeConfigureArgs('--cache-file')
             ->configure(
                 '--disable-debug',
                 '--disable-dependency-tracking',

src/SPC/util/executor/UnixAutoconfExecutor.php

@@ -32,13 +32,6 @@ class UnixAutoconfExecutor extends Executor
         // remove all the ignored args
         $args = array_merge($args, $this->getDefaultConfigureArgs(), $this->configure_args);
         $args = array_diff($args, $this->ignore_args);
-        $args = array_filter(
-            $args,
-            fn ($arg) => !array_filter(
-                $this->ignore_args,
-                fn ($ignore) => str_starts_with($arg, $ignore . '=')
-            )
-        );
         $configure_args = implode(' ', $args);
 
         $this->shell->exec("./configure {$configure_args}");
@@ -126,23 +119,13 @@ class UnixAutoconfExecutor extends Executor
      */
     private function getDefaultConfigureArgs(): array
     {
-        $args = [
+        return [
             '--disable-shared',
             '--enable-static',
             "--prefix={$this->library->getBuildRootPath()}",
             '--with-pic',
             '--enable-pic',
         ];
-
-        // only add the cache file if CFLAGS and LDFLAGS are defaulted
-        $env = $this->shell->getEnv();
-        $expected_cflags = '-I' . BUILD_INCLUDE_PATH . ' ' . getenv('SPC_DEFAULT_C_FLAGS');
-        $expected_ldflags = '-L' . BUILD_LIB_PATH;
-
-        if (($env['CFLAGS'] ?? '') === $expected_cflags && ($env['LDFLAGS'] ?? '') === $expected_ldflags) {
-            $args[] = '--cache-file=' . BUILD_ROOT_PATH . '/config.cache';
-        }
-        return $args;
     }
 
     /**