diff --git a/config/env.ini b/config/env.ini
index b989f5c3..c1d4dbc4 100644
--- a/config/env.ini
+++ b/config/env.ini
@@ -146,6 +146,8 @@ SPC_CMD_PREFIX_PHP_CONFIGURE="./configure --prefix= --with-valgrind=no --enable-
 SPC_CMD_VAR_PHP_EMBED_TYPE="static"
 ; EXTRA_CFLAGS for `configure` and `make` php
 SPC_CMD_VAR_PHP_MAKE_EXTRA_CFLAGS="-g -fstack-protector-strong -fpic -fpie -Werror=unknown-warning-option ${SPC_DEFAULT_C_FLAGS}"
+; minimum compatible macOS version (LLVM vars, availability not guaranteed)
+MACOSX_DEPLOYMENT_TARGET=12.0
 
 [freebsd]
 ; compiler environments
diff --git a/config/ext.json b/config/ext.json
index c5bbb45d..566974b9 100644
--- a/config/ext.json
+++ b/config/ext.json
@@ -127,6 +127,14 @@
             "sockets"
         ]
     },
+    "excimer": {
+        "support": {
+            "Windows": "wip",
+            "BSD": "wip"
+        },
+        "type": "external",
+        "source": "ext-excimer"
+    },
     "exif": {
         "type": "builtin"
     },
diff --git a/config/source.json b/config/source.json
index 33295e87..03626015 100644
--- a/config/source.json
+++ b/config/source.json
@@ -126,13 +126,23 @@
     },
     "ext-event": {
         "type": "url",
-        "url": "https://bitbucket.org/osmanov/pecl-event/get/3.0.8.tar.gz",
+        "url": "https://bitbucket.org/osmanov/pecl-event/get/3.1.4.tar.gz",
         "path": "php-src/ext/event",
         "license": {
             "type": "file",
             "path": "LICENSE"
         }
     },
+    "ext-excimer": {
+        "type": "url",
+        "url": "https://pecl.php.net/get/excimer",
+        "path": "php-src/ext/excimer",
+        "filename": "excimer.tgz",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "ext-glfw": {
         "type": "git",
         "url": "https://github.com/mario-deluna/php-glfw",
diff --git a/src/SPC/builder/extension/excimer.php b/src/SPC/builder/extension/excimer.php
new file mode 100644
index 00000000..03dd8f22
--- /dev/null
+++ b/src/SPC/builder/extension/excimer.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\extension;
+
+use SPC\builder\Extension;
+use SPC\util\CustomExt;
+
+#[CustomExt('excimer')]
+class excimer extends Extension
+{
+    public function getSharedExtensionEnv(): array
+    {
+        $env = parent::getSharedExtensionEnv();
+        $env['LIBS'] = clean_spaces(str_replace('-lphp', '', $env['LIBS']));
+        return $env;
+    }
+}
diff --git a/src/SPC/builder/traits/UnixSystemUtilTrait.php b/src/SPC/builder/traits/UnixSystemUtilTrait.php
index b1ef9db4..ff75bf7c 100644
--- a/src/SPC/builder/traits/UnixSystemUtilTrait.php
+++ b/src/SPC/builder/traits/UnixSystemUtilTrait.php
@@ -72,12 +72,8 @@ trait UnixSystemUtilTrait
         if (!is_file($symbol_file)) {
             throw new SPCInternalException("The symbol file {$symbol_file} does not exist, please check if nm command is available.");
         }
-        // https://github.com/ziglang/zig/issues/24662
-        if (ToolchainManager::getToolchainClass() === ZigToolchain::class) {
-            return '-Wl,--export-dynamic';
-        }
-        // macOS
-        if (SPCTarget::getTargetOS() !== 'Linux') {
+        // macOS/zig
+        if (SPCTarget::getTargetOS() !== 'Linux' || ToolchainManager::getToolchainClass() === ZigToolchain::class) {
             return "-Wl,-exported_symbols_list,{$symbol_file}";
         }
         return "-Wl,--dynamic-list={$symbol_file}";
diff --git a/src/SPC/builder/windows/library/curl.php b/src/SPC/builder/windows/library/curl.php
index 1229dbd6..bba130e1 100644
--- a/src/SPC/builder/windows/library/curl.php
+++ b/src/SPC/builder/windows/library/curl.php
@@ -30,7 +30,6 @@ class curl extends WindowsLibraryBase
                 '-DCMAKE_BUILD_TYPE=Release ' .
                 '-DBUILD_SHARED_LIBS=OFF ' .
                 '-DBUILD_STATIC_LIBS=ON ' .
-                '-DCURL_STATICLIB=ON ' .
                 '-DCMAKE_INSTALL_PREFIX=' . BUILD_ROOT_PATH . ' ' .
                 '-DBUILD_CURL_EXE=OFF ' . // disable curl.exe
                 '-DBUILD_TESTING=OFF ' . // disable tests
@@ -42,9 +41,9 @@ class curl extends WindowsLibraryBase
                 '-DCURL_USE_OPENSSL=OFF ' . // disable openssl due to certificate issue
                 '-DCURL_ENABLE_SSL=ON ' .
                 '-DUSE_NGHTTP2=ON ' . // enable nghttp2
+                '-DSHARE_LIB_OBJECT=OFF ' . // disable shared lib object
                 '-DCURL_USE_LIBSSH2=ON ' . // enable libssh2
                 '-DENABLE_IPV6=ON ' . // enable ipv6
-                '-DNGHTTP2_CFLAGS="/DNGHTTP2_STATICLIB" ' .
                 $alt
             )
             ->execWithWrapper(
@@ -53,5 +52,7 @@ class curl extends WindowsLibraryBase
             );
         // move libcurl.lib to libcurl_a.lib
         rename(BUILD_LIB_PATH . '\libcurl.lib', BUILD_LIB_PATH . '\libcurl_a.lib');
+
+        FileSystem::replaceFileStr(BUILD_INCLUDE_PATH . '\curl\curl.h', '#ifdef CURL_STATICLIB', '#if 1');
     }
 }
diff --git a/src/SPC/builder/windows/library/nghttp2.php b/src/SPC/builder/windows/library/nghttp2.php
index 7e6e999d..5a1c6bf1 100644
--- a/src/SPC/builder/windows/library/nghttp2.php
+++ b/src/SPC/builder/windows/library/nghttp2.php
@@ -29,11 +29,16 @@ class nghttp2 extends WindowsLibraryBase
                 '-DBUILD_SHARED_LIBS=OFF ' .
                 '-DENABLE_STATIC_CRT=ON ' .
                 '-DENABLE_LIB_ONLY=ON ' .
-                '-DCMAKE_INSTALL_PREFIX=' . BUILD_ROOT_PATH . ' '
+                '-DCMAKE_INSTALL_PREFIX=' . BUILD_ROOT_PATH . ' ' .
+                '-DENABLE_STATIC_CRT=ON ' .
+                '-DENABLE_DOC=OFF ' .
+                '-DBUILD_TESTING=OFF '
             )
             ->execWithWrapper(
                 $this->builder->makeSimpleWrapper('cmake'),
                 "--build build --config Release --target install -j{$this->builder->concurrency}"
             );
+
+        FileSystem::replaceFileStr(BUILD_INCLUDE_PATH . '\nghttp2\nghttp2.h', '#ifdef NGHTTP2_STATICLIB', '#if 1');
     }
 }