Fix curl exe build on windows

src/Package/Target/curl.php

@@ -39,7 +39,7 @@ class curl
             ->optionalPackage('zstd', ...cmake_boolean_args('CURL_ZSTD'))
             ->optionalPackage('brotli', ...cmake_boolean_args('CURL_BROTLI'))
             ->addConfigureArgs(
-                '-DBUILD_CURL_EXE=OFF',
+                '-DBUILD_CURL_EXE=ON',
                 '-DZSTD_LIBRARY=zstd_static.lib',
                 '-DBUILD_TESTING=OFF',
                 '-DBUILD_EXAMPLES=OFF',
@@ -81,6 +81,7 @@ class curl
             ->addConfigureArgs(
                 '-DBUILD_CURL_EXE=ON',
                 '-DBUILD_LIBCURL_DOCS=OFF',
+                '-DOPENSSL_ROOT_DIR=' . BUILD_ROOT_PATH,
             )
             ->build();
 
@@ -92,6 +93,9 @@ class curl
         if (str_contains(FileSystem::readFile($pc_path), '-lgssapi_krb5')) {
             FileSystem::replaceFileRegex($pc_path, '/-lcom_err$/m', '-lcom_err -lkrb5support');
         }
+        // FindThreads can put '-lpthread' into INTERFACE_LINK_LIBRARIES; curl's pc generator
+        // prepends '-l' to each entry, producing '-l-lpthread'. Strip the extra '-l'.
+        FileSystem::replaceFileRegex($pc_path, '/-l(-l\S+)/', '$1');
         shell()->cd("{$lib->getLibDir()}/cmake/CURL/")
             ->exec("sed -ie 's|\"/lib/libcurl.a\"|\"{$lib->getLibDir()}/libcurl.a\"|g' CURLTargets-release.cmake");