diff --git a/config/pkg/lib/krb5.yml b/config/pkg/lib/krb5.yml
index 07fa3327..e3234ade 100644
--- a/config/pkg/lib/krb5.yml
+++ b/config/pkg/lib/krb5.yml
@@ -2,9 +2,8 @@ krb5:
   type: library
   artifact:
     source:
-      type: ghtagtar
-      repo: krb5/krb5
-      match: krb5.+-final
+      type: url
+      url: 'https://web.mit.edu/kerberos/dist/krb5/1.22/krb5-1.22.2.tar.gz'
     metadata:
       license-files: [NOTICE]
       license: BSD-3-Clause
diff --git a/src/Package/Extension/grpc.php b/src/Package/Extension/grpc.php
index c3b08f16..d1ce1511 100644
--- a/src/Package/Extension/grpc.php
+++ b/src/Package/Extension/grpc.php
@@ -29,6 +29,15 @@ class grpc extends PhpExtensionPackage
             'zend_ce_exception,',
         );
 
+        // Fix include path conflict with pdo_sqlsrv: grpc's PHP ext dir is added to the global include path via
+        $grpc_php_dir = "{$this->getSourceDir()}/src/php/ext/grpc";
+        if (file_exists("{$grpc_php_dir}/version.h")) {
+            copy("{$grpc_php_dir}/version.h", "{$grpc_php_dir}/php_grpc_version.h");
+            unlink("{$grpc_php_dir}/version.h");
+            FileSystem::replaceFileStr("{$grpc_php_dir}/php_grpc.h", '#include "version.h"', '#include "php_grpc_version.h"');
+            FileSystem::replaceFileStr("{$grpc_php_dir}/php_grpc.c", '#include "version.h"', '#include "php_grpc_version.h"');
+        }
+
         // custom config.m4 content for grpc extension, to prevent building libgrpc.a again
         $config_m4 = <<<'M4'
 PHP_ARG_ENABLE(grpc, [whether to enable grpc support], [AS_HELP_STRING([--enable-grpc], [Enable grpc support])])
diff --git a/src/Package/Library/krb5.php b/src/Package/Library/krb5.php
index 303c3b63..ad6ca137 100644
--- a/src/Package/Library/krb5.php
+++ b/src/Package/Library/krb5.php
@@ -19,7 +19,9 @@ class krb5
     #[BuildFor('Darwin')]
     public function build(LibraryPackage $lib, PackageInstaller $installer): void
     {
-        shell()->cd($lib->getSourceRoot())->exec('autoreconf -if');
+        if (!file_exists($lib->getSourceRoot() . '/configure')) {
+            shell()->cd($lib->getSourceRoot())->exec('autoreconf -if');
+        }
 
         $resolved = array_keys($installer->getResolvedPackages());
         $spc = new SPCConfigUtil(['no_php' => true, 'libs_only_deps' => true]);
diff --git a/src/Package/Library/libjpeg.php b/src/Package/Library/libjpeg.php
index 85b0f6d4..06512aac 100644
--- a/src/Package/Library/libjpeg.php
+++ b/src/Package/Library/libjpeg.php
@@ -22,6 +22,10 @@ class libjpeg
             ->addConfigureArgs(
                 '-DENABLE_STATIC=ON',
                 '-DENABLE_SHARED=OFF',
+                '-DWITH_SYSTEM_ZLIB=ON',
+                '-DWITH_TOOLS=OFF',
+                '-DWITH_TESTS=OFF',
+                '-DWITH_SIMD=OFF',
             )
             ->build();
         // patch pkgconfig
diff --git a/src/StaticPHP/Runtime/Executor/UnixCMakeExecutor.php b/src/StaticPHP/Runtime/Executor/UnixCMakeExecutor.php
index 73209fff..1ddacb03 100644
--- a/src/StaticPHP/Runtime/Executor/UnixCMakeExecutor.php
+++ b/src/StaticPHP/Runtime/Executor/UnixCMakeExecutor.php
@@ -270,6 +270,7 @@ class UnixCMakeExecutor extends Executor
         $cflags = getenv('SPC_DEFAULT_C_FLAGS');
         $cc = getenv('CC');
         $cxx = getenv('CXX');
+        $include = BUILD_INCLUDE_PATH;
         logger()->debug("making cmake tool chain file for {$os} {$target_arch} with CFLAGS='{$cflags}'");
         $root = BUILD_ROOT_PATH;
         $pkgConfigExecutable = PkgConfigUtil::findPkgConfig();
@@ -298,6 +299,8 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+set(CMAKE_C_STANDARD_INCLUDE_DIRECTORIES "{$include}")
+set(CMAKE_CXX_STANDARD_INCLUDE_DIRECTORIES "{$include}")
 CMAKE;
         // Whoops, linux may need CMAKE_AR sometimes
         if (PHP_OS_FAMILY === 'Linux') {