Fixing issue with undefined symbol 'php_stat' -> External C Linking E…

…rror

Signed-off-by: Dusan Malusev <[email protected]>

CMakeLists.txt

@@ -1,12 +1,37 @@
 cmake_minimum_required(VERSION 3.24)
+
+if (POLICY CMP0074)
+    cmake_policy(SET CMP0074 NEW)
+endif ()
+
+if (POLICY CMP0054)
+    cmake_policy(SET CMP0054 NEW)
+endif ()
+
+if (POLICY CMP0079)
+    cmake_policy(SET CMP0079 NEW)
+endif ()
+
+if (POLICY CMP0108)
+    cmake_policy(SET CMP0108 NEW)
+endif ()
+
+if (POLICY CMP0109)
+    cmake_policy(SET CMP0109 NEW)
+endif ()
+
+if (POLICY CMP0128)
+    cmake_policy(SET CMP0128 NEW)
+endif ()
+
+
 project(php-ext-scylladb LANGUAGES C CXX)
 add_library(ext_scylladb SHARED)
-cmake_policy(SET CMP0079 NEW)
 
 # if build type is not set, default to debug
-if(NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE STREQUAL "")
+if (NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE STREQUAL "")
     set(CMAKE_BUILD_TYPE "Debug")
-endif()
+endif ()
 
 include(GNUInstallDirs)
 include(CheckSymbolExists)
@@ -18,13 +43,13 @@ include(cmake/ScyllaDBPHPLibrary.cmake)
 
 set(PHP_SCYLLADB_VERSION_MAJOR 1)
 set(PHP_SCYLLADB_VERSION_MINOR 3)
-set(PHP_SCYLLADB_VERSION_PATCH 11)
+set(PHP_SCYLLADB_VERSION_PATCH 12)
 set(PHP_SCYLLADB_STABILITY "devel")
 set(PHP_SCYLLADB_VERSION_FULL "${PHP_SCYLLADB_VERSION_MAJOR}.${PHP_SCYLLADB_VERSION_MINOR}.${PHP_SCYLLADB_VERSION_PATCH}-${PHP_SCYLLADB_STABILITY}")
 set(PHP_SCYLLADB_VERSION "${PHP_SCYLLADB_VERSION_MAJOR}.${PHP_SCYLLADB_VERSION_MINOR}.${PHP_SCYLLADB_VERSION_PATCH}-dev")
 
-set(CMAKE_C_STANDARD 23)
-set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_C_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake" "${PROJECT_SOURCE_DIR}/third-party/sanitizers-cmake/cmake")
 
@@ -40,39 +65,39 @@ set(PHP_VERSION_FOR_PHP_CONFIG "8.3" CACHE STRING "PHP version")
 option(PHP_DEBUG_FOR_PHP_CONFIG "Debug or Release" ON)
 option(PHP_THREAD_SAFE_FOR_PHP_CONFIG "ZTS(zts) or NTS(nts)" OFF)
 
-if(CMAKE_HOST_APPLE)
+if (CMAKE_HOST_APPLE)
     option(PHP_SCYLLADB_LIBUV_STATIC "Statically link libuv" ON)
-else()
+else ()
     option(PHP_SCYLLADB_LIBUV_STATIC "Statically link libuv" OFF)
-endif()
+endif ()
 
 option(PHP_SCYLLADB_LIBUV_FROM_SRC "Build LibUV from Source" ON)
 
-if(CMAKE_HOST_APPLE)
+if (CMAKE_HOST_APPLE)
     option(PHP_SCYLLADB_LIBSCYLLADB_STATIC "Statically link LibScyllaDB" ON)
-else()
+else ()
     option(PHP_SCYLLADB_LIBSCYLLADB_STATIC "Statically link LibScyllaDB" OFF)
-endif()
+endif ()
 
 option(PHP_SCYLLADB_USE_LIBCASSANDRA "Use DataStax LibCassandra instead of LibScyllaDB" OFF)
 
-if(CMAKE_HOST_APPLE)
+if (CMAKE_HOST_APPLE)
     option(PHP_SCYLLADB_LIBCASSANDRA_STATIC "Statically link LibCassandra" ON)
-else()
+else ()
     option(PHP_SCYLLADB_LIBCASSANDRA_STATIC "Statically link LibCassandra" OFF)
-endif()
+endif ()
 
 find_package(PHPConfig REQUIRED)
 find_package(PHP REQUIRED)
 find_package(Sanitizers REQUIRED)
 find_package(Libuv REQUIRED)
 find_package(LibGMP REQUIRED)
 
-if(PHP_SCYLLADB_USE_LIBCASSANDRA)
+if (PHP_SCYLLADB_USE_LIBCASSANDRA)
     find_package(CassandraDriver REQUIRED)
-else()
+else ()
     find_package(ScyllaDBDriver REQUIRED)
-endif()
+endif ()
 
 add_subdirectory(ZendCPP)
 add_subdirectory(util)
@@ -95,19 +120,19 @@ target_sources(ext_scylladb PUBLIC FILE_SET headers TYPE HEADERS FILES "${HEADER
 target_sources(ext_scylladb PRIVATE php_driver.cpp)
 
 target_link_libraries(
-    ext_scylladb PRIVATE
-    Zend
-    ext_scylladb::src
-    ext_scylladb::utils
-    ext_scylladb::type
-    ext_scylladb::datetime
-    ext_scylladb::database
-    ext_scylladb::numbers
-    ext_scylladb::ssl_options
-    ext_scylladb::exceptions
-    ext_scylladb::cluster::builder
-    ext_scylladb::retry_policy
-    ext_scylladb::timestamp_generator
+        ext_scylladb PRIVATE
+        Zend
+        ext_scylladb::src
+        ext_scylladb::utils
+        ext_scylladb::type
+        ext_scylladb::datetime
+        ext_scylladb::database
+        ext_scylladb::numbers
+        ext_scylladb::ssl_options
+        ext_scylladb::exceptions
+        ext_scylladb::cluster::builder
+        ext_scylladb::retry_policy
+        ext_scylladb::timestamp_generator
 )
 
 check_include_file("dlfcn.h" HAVE_DLFCN_H)
@@ -123,17 +148,17 @@ check_include_file("unistd.h" HAVE_UNISTD_H)
 set(HAVE_STRINGS_H 0)
 
 configure_file(
-    config.in
-    config.h
-    USE_SOURCE_PERMISSIONS
-    NEWLINE_STYLE UNIX
+        config.in
+        config.h
+        USE_SOURCE_PERMISSIONS
+        NEWLINE_STYLE UNIX
 )
 
 configure_file(
-    version.h.in
-    version.h
-    USE_SOURCE_PERMISSIONS
-    NEWLINE_STYLE UNIX
+        version.h.in
+        version.h
+        USE_SOURCE_PERMISSIONS
+        NEWLINE_STYLE UNIX
 )
 
 target_compile_definitions(ext_scylladb PRIVATE -DCOMPILE_DL_CASSANDRA -DHAVE_CONFIG_H)

scripts/compile-scylladb.sh

@@ -0,0 +1,14 @@
+git clone --depth 1 https://github.com/scylladb/cpp-driver.git scyladb-driver 
+
+pushd scyladb-driver
+
+mkdir build
+
+pushd build
+
+cmake -DCASS_CPP_STANDARD=17 -DCASS_BUILD_STATIC=ON -DCASS_BUILD_SHARED=ON -DCASS_USE_STD_ATOMIC=ON -DCASS_USE_TIMERFD=ON -DCASS_USE_LIBSSH2=ON -DCASS_USE_ZLIB=ON CMAKE_C_FLAGS="-fPIC" -DCMAKE_CXX_FLAGS="-fPIC -Wno-error=redundant-move" -DCMAKE_BUILD_TYPE="RelWithInfo" -G Ninja ..
+
+ninja install
+
+popd
+popd

src/SSLOptions/Builder.cpp

@@ -15,36 +15,37 @@
  */
 
 #include <SSLOptions/SSLOptions.h>
-#include <expected>
 #include <utility>
 
 #include <php_driver.h>
 #include <php.h>
 #include <php_driver_types.h>
 
 
-static std::expected<zend_string *, zend_result> file_get_contents(const zend_string *path) {
+BEGIN_EXTERN_C()
+#include <ext/standard/php_filestat.h>
+
+static zend_result file_get_contents(const zend_string *path, zend_string** out_val) {
   php_stream *stream =
       php_stream_open_wrapper(ZSTR_VAL(path), "rb", USE_PATH | REPORT_ERRORS, NULL);
   if (!stream) {
     zend_throw_exception_ex(php_driver_runtime_exception_ce, 0,
                             "The path '%s' doesn't exist or is not readable", ZSTR_VAL(path));
-    return std::unexpected(FAILURE);
+    return FAILURE;
   }
 
   zend_string *str = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0);
   php_stream_close(stream);
 
   if (!str) {
     zend_throw_exception_ex(php_driver_runtime_exception_ce, 0, "Failed to allocate enough memory");
-    return std::unexpected(FAILURE);
+    return FAILURE;
   }
 
-  return str;
-}
+  *out_val = str;
 
-BEGIN_EXTERN_C()
-#include <ext/standard/php_filestat.h>
+  return SUCCESS;
+}
 
 #include "Builder_arginfo.h"
 
@@ -64,13 +65,11 @@ ZEND_METHOD(Cassandra_SSLOptions_Builder, build) {
 
   if (builder->trusted_certs) {
     for (size_t i = 0; i < builder->trusted_certs_cnt; i++) {
-      auto result = file_get_contents(builder->trusted_certs[i]);
-
-      if (result.error() == FAILURE) {
+      zend_string* str;
+      if (file_get_contents(builder->trusted_certs[i], &str) == FAILURE) {
         return;
       }
 
-      zend_string *str = result.value();
       const CassError rc = cass_ssl_add_trusted_cert_n(ssl->ssl, ZSTR_VAL(str), ZSTR_LEN(str));
       zend_string_release(str);
 
@@ -82,13 +81,11 @@ ZEND_METHOD(Cassandra_SSLOptions_Builder, build) {
   }
 
   if (builder->client_cert) {
-    auto result = file_get_contents(builder->client_cert);
-
-    if (result.error() == FAILURE) {
+    zend_string *str = nullptr;
+    if (file_get_contents(builder->client_cert, &str) == FAILURE) {
       return;
     }
 
-    zend_string *str = result.value();
     const CassError rc = cass_ssl_set_cert_n(ssl->ssl, ZSTR_VAL(str), ZSTR_LEN(str));
     zend_string_release(str);
     if (rc != CASS_OK) {
@@ -98,13 +95,12 @@ ZEND_METHOD(Cassandra_SSLOptions_Builder, build) {
   }
 
   if (builder->private_key) {
-    auto result = file_get_contents(builder->private_key);
+    zend_string *str = nullptr;
 
-    if (result.error() == FAILURE) {
+    if (file_get_contents(builder->private_key, &str) == FAILURE) {
       return;
     }
 
-    zend_string *str = result.value();
     const CassError rc = cass_ssl_set_cert_n(ssl->ssl, ZSTR_VAL(str), ZSTR_LEN(str));
     zend_string_release(str);
     if (rc != CASS_OK) {