diff --git a/src/SPC/builder/extension/pgsql.php b/src/SPC/builder/extension/pgsql.php
index 06efa8b1..461164d7 100644
--- a/src/SPC/builder/extension/pgsql.php
+++ b/src/SPC/builder/extension/pgsql.php
@@ -25,8 +25,8 @@ class pgsql extends Extension
     {
         if ($this->builder->getPHPVersionID() >= 80400) {
             $libfiles = $this->getLibFilesString();
-            $libfiles = str_replace(BUILD_LIB_PATH . '/lib', '-l', $libfiles);
-            $libfiles = str_replace('.a', '', $libfiles);
+            $libfiles = deduplicate_flags($libfiles);
+            $libfiles = clean_spaces($libfiles);
             return '--with-pgsql' . ($shared ? '=shared' : '') .
                 ' PGSQL_CFLAGS=-I' . BUILD_INCLUDE_PATH .
                 ' PGSQL_LIBS="-L' . BUILD_LIB_PATH . ' ' . $libfiles . '"';
diff --git a/src/SPC/builder/linux/library/openssl.php b/src/SPC/builder/linux/library/openssl.php
index 0a4ed19a..da4bd0aa 100644
--- a/src/SPC/builder/linux/library/openssl.php
+++ b/src/SPC/builder/linux/library/openssl.php
@@ -56,10 +56,11 @@ class openssl extends LinuxLibraryBase
         // TODO: in v3 use the following: $openssl_dir ??= SystemUtil::getOSRelease()['dist'] === 'redhat' ? '/etc/pki/tls' : '/etc/ssl';
         $openssl_dir ??= '/etc/ssl';
         $ex_lib = trim($ex_lib);
+        $noShared = getenv('SPC_LINK_STATIC') ? 'no-shared' : '';
 
         shell()->cd($this->source_dir)->initializeEnv($this)
             ->exec(
-                "./Configure {$extra} " .
+                "./Configure {$noShared} {$extra} " .
                 '--prefix=' . BUILD_ROOT_PATH . ' ' .
                 '--libdir=' . BUILD_LIB_PATH . ' ' .
                 "--openssldir={$openssl_dir} " .
diff --git a/src/SPC/builder/traits/UnixLibraryTrait.php b/src/SPC/builder/traits/UnixLibraryTrait.php
index ec1e7c2b..4522fcdf 100644
--- a/src/SPC/builder/traits/UnixLibraryTrait.php
+++ b/src/SPC/builder/traits/UnixLibraryTrait.php
@@ -15,7 +15,7 @@ trait UnixLibraryTrait
     {
         $libs = $include_self ? [$this] : [];
         array_unshift($libs, ...array_values($this->getDependencies(recursive: true)));
-        $config = new SPCConfigUtil($this->builder, options: ['libs_only_deps' => true, 'absolute_libs' => true]);
+        $config = new SPCConfigUtil($this->builder, options: ['libs_only_deps' => true]);
         $res = $config->config(libraries: array_map(fn ($x) => $x->getName(), $libs));
         return $res['libs'];
     }
diff --git a/src/SPC/builder/unix/library/libuv.php b/src/SPC/builder/unix/library/libuv.php
index 65fed734..65827fa1 100644
--- a/src/SPC/builder/unix/library/libuv.php
+++ b/src/SPC/builder/unix/library/libuv.php
@@ -11,7 +11,7 @@ trait libuv
     protected function build(): void
     {
         UnixCMakeExecutor::create($this)
-            ->addConfigureArgs('-DLIBUV_BUILD_SHARED=ON')
+            ->addConfigureArgs('-DLIBUV_BUILD_SHARED=' . (getenv('SPC_LINK_STATIC') ? 'OFF' : 'ON'))
             ->build();
         // patch pkgconfig
         $this->patchPkgconfPrefix(['libuv-static.pc']);
diff --git a/src/SPC/builder/unix/library/mimalloc.php b/src/SPC/builder/unix/library/mimalloc.php
index d581c63b..3b86ec51 100644
--- a/src/SPC/builder/unix/library/mimalloc.php
+++ b/src/SPC/builder/unix/library/mimalloc.php
@@ -13,7 +13,7 @@ trait mimalloc
     {
         $cmake = UnixCMakeExecutor::create($this)
             ->addConfigureArgs(
-                '-DMI_BUILD_SHARED=ON',
+                '-DMI_BUILD_SHARED=' . (getenv('SPC_LINK_STATIC') ? 'OFF' : 'ON'),
                 '-DMI_BUILD_OBJECT=OFF',
                 '-DMI_INSTALL_TOPLEVEL=ON',
             );
diff --git a/src/SPC/builder/unix/library/tidy.php b/src/SPC/builder/unix/library/tidy.php
index ec6ecbd3..52c39156 100644
--- a/src/SPC/builder/unix/library/tidy.php
+++ b/src/SPC/builder/unix/library/tidy.php
@@ -14,7 +14,7 @@ trait tidy
             ->setBuildDir("{$this->source_dir}/build-dir")
             ->addConfigureArgs(
                 '-DSUPPORT_CONSOLE_APP=OFF',
-                '-DBUILD_SHARED_LIB=ON'
+                '-DBUILD_SHARED_LIB=' . (getenv('SPC_LINK_STATIC') ? 'OFF' : 'ON')
             );
         if (version_compare(get_cmake_version(), '4.0.0', '>=')) {
             $cmake->addConfigureArgs('-DCMAKE_POLICY_VERSION_MINIMUM=3.5');
diff --git a/src/SPC/builder/unix/library/zstd.php b/src/SPC/builder/unix/library/zstd.php
index 0beca14f..40091e80 100644
--- a/src/SPC/builder/unix/library/zstd.php
+++ b/src/SPC/builder/unix/library/zstd.php
@@ -14,7 +14,7 @@ trait zstd
             ->setBuildDir("{$this->source_dir}/build/cmake/build")
             ->addConfigureArgs(
                 '-DZSTD_BUILD_STATIC=ON',
-                '-DZSTD_BUILD_SHARED=ON',
+                '-DZSTD_BUILD_SHARED=' . (getenv('SPC_LINK_STATIC') ? 'OFF' : 'ON'),
             )
             ->build();
         $this->patchPkgconfPrefix();
diff --git a/src/SPC/command/SPCConfigCommand.php b/src/SPC/command/SPCConfigCommand.php
index 5e21c9a1..850546fd 100644
--- a/src/SPC/command/SPCConfigCommand.php
+++ b/src/SPC/command/SPCConfigCommand.php
@@ -39,7 +39,6 @@ class SPCConfigCommand extends BaseCommand
         $util = new SPCConfigUtil(options: [
             'no_php' => $this->getOption('no-php'),
             'libs_only_deps' => $this->getOption('libs-only-deps'),
-            'absolute_libs' => $this->getOption('absolute-libs'),
         ]);
         $config = $util->config($extensions, $libraries, $include_suggest_ext, $include_suggest_lib);
 
diff --git a/src/SPC/util/executor/UnixAutoconfExecutor.php b/src/SPC/util/executor/UnixAutoconfExecutor.php
index d5ec06c0..88943bb5 100644
--- a/src/SPC/util/executor/UnixAutoconfExecutor.php
+++ b/src/SPC/util/executor/UnixAutoconfExecutor.php
@@ -134,7 +134,7 @@ class UnixAutoconfExecutor extends Executor
     {
         return [
             '--enable-static',
-            '--enable-shared',
+            (getenv('SPC_LINK_STATIC') ? '--disable-shared' : '--enable-shared'),
             "--prefix={$this->library->getBuildRootPath()}",
             '--with-pic',
             '--enable-pic',
diff --git a/src/SPC/util/executor/UnixCMakeExecutor.php b/src/SPC/util/executor/UnixCMakeExecutor.php
index 8da206a1..92bedbcb 100644
--- a/src/SPC/util/executor/UnixCMakeExecutor.php
+++ b/src/SPC/util/executor/UnixCMakeExecutor.php
@@ -151,7 +151,7 @@ class UnixCMakeExecutor extends Executor
             '-DCMAKE_INSTALL_LIBDIR=lib',
             '-DCMAKE_INSTALL_INCLUDEDIR=include',
             '-DPOSITION_INDEPENDENT_CODE=ON',
-            '-DBUILD_SHARED_LIBS=ON',
+            '-DBUILD_SHARED_LIBS=' . (getenv('SPC_LINK_STATIC') ? 'OFF' : 'ON'),
             "-DCMAKE_TOOLCHAIN_FILE={$this->makeCmakeToolchainFile()}",
         ]);
     }