Add packing placeholder

src/SPC/builder/LibraryBase.php

@@ -350,7 +350,27 @@ abstract class LibraryBase
 
     protected function install(): void
     {
-        // do something after extracting pre-built files, default do nothing. overwrite this method to do something
+        // replace placeholders if BUILD_ROOT_PATH/.spc-extract-placeholder.json exists
+        $placeholder_file = BUILD_ROOT_PATH . '/.spc-extract-placeholder.json';
+        if (!file_exists($placeholder_file)) {
+            return;
+        }
+        $placeholder = json_decode(file_get_contents($placeholder_file), true);
+        if (!is_array($placeholder)) {
+            throw new RuntimeException('Invalid placeholder file: ' . $placeholder_file);
+        }
+        $placeholder = get_pack_placehoder();
+        // replace placeholders in BUILD_ROOT_PATH
+        foreach ($placeholder as $item) {
+            $filepath = BUILD_ROOT_PATH . "/{$item}";
+            FileSystem::replaceFileStr(
+                $filepath,
+                array_values($placeholder),
+                array_keys($placeholder),
+            );
+        }
+        // remove placeholder file
+        unlink($placeholder_file);
     }
 
     /**

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

@@ -17,6 +17,7 @@ trait icu
 
     protected function install(): void
     {
+        parent::install();
         $icu_config = BUILD_ROOT_PATH . '/bin/icu-config';
         FileSystem::replaceFileStr($icu_config, '{BUILD_ROOT_PATH}', BUILD_ROOT_PATH);
     }

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

@@ -68,6 +68,7 @@ trait libevent
 
     protected function install(): void
     {
+        parent::install();
         FileSystem::replaceFileStr(
             BUILD_LIB_PATH . '/cmake/libevent/LibeventTargets-static.cmake',
             '{BUILD_ROOT_PATH}',

src/SPC/command/dev/PackLibCommand.php

@@ -51,6 +51,10 @@ class PackLibCommand extends BuildCommand
                 }
             }
 
+            $origin_files = [];
+            // get pack placehoder defines
+            $placehoder = get_pack_placehoder();
+
             foreach ($builder->getLibs() as $lib) {
                 if ($lib->getName() !== $lib_name) {
                     // other dependencies: install or build, both ok
@@ -73,6 +77,27 @@ class PackLibCommand extends BuildCommand
                     // After build: load buildroot/ directory, and calculate increase files
                     $after_buildroot = FileSystem::scanDirFiles(BUILD_ROOT_PATH, relative: true);
                     $increase_files = array_diff($after_buildroot, $before_buildroot);
+
+                    // patch pkg-config and la files with absolute path
+                    foreach ($increase_files as $file) {
+                        if (str_ends_with($file, '.pc') || str_ends_with($file, '.la')) {
+                            $content = FileSystem::readFile(BUILD_ROOT_PATH . '/' . $file);
+                            $origin_files[$file] = $content;
+                            // replace relative paths with absolute paths
+                            $content = str_replace(
+                                array_keys($placehoder),
+                                array_values($placehoder),
+                                $content
+                            );
+                            FileSystem::writeFile(BUILD_ROOT_PATH . '/' . $file, $content);
+                        }
+                    }
+
+                    // add .spc-extract-placeholder.json in BUILD_ROOT_PATH
+                    $placeholder_file = BUILD_ROOT_PATH . '/.spc-extract-placeholder.json';
+                    file_put_contents($placeholder_file, json_encode(array_keys($origin_files), JSON_PRETTY_PRINT));
+                    $increase_files[] = '.spc-extract-placeholder.json';
+
                     // every file mapped with BUILD_ROOT_PATH
                     // get BUILD_ROOT_PATH last dir part
                     $buildroot_part = basename(BUILD_ROOT_PATH);
@@ -94,6 +119,16 @@ class PackLibCommand extends BuildCommand
                     $filename = WORKING_DIR . '/dist/' . $filename;
                     f_passthru("tar {$tar_option} {$filename} -T " . WORKING_DIR . '/packlib_files.txt');
                     logger()->info('Pack library ' . $lib->getName() . ' to ' . $filename . ' complete.');
+
+                    // remove temp files
+                    unlink($placeholder_file);
+                }
+            }
+
+            foreach ($origin_files as $file => $content) {
+                // restore original files
+                if (file_exists(BUILD_ROOT_PATH . '/' . $file)) {
+                    FileSystem::writeFile(BUILD_ROOT_PATH . '/' . $file, $content);
                 }
             }
 

src/globals/functions.php

@@ -232,3 +232,13 @@ function ac_with_args(string $arg_name, bool $use_value = false): array
 {
     return $use_value ? ["--with-{$arg_name}=yes", "--with-{$arg_name}=no"] : ["--with-{$arg_name}", "--without-{$arg_name}"];
 }
+
+function get_pack_placehoder(): array
+{
+    return [
+        BUILD_LIB_PATH => '@build_lib_path@',
+        BUILD_BIN_PATH => '@build_bin_path@',
+        BUILD_INCLUDE_PATH => '@build_include_path@',
+        BUILD_ROOT_PATH => '@build_root_path@',
+    ];
+}