Update minimum required CMake version to 3.29...4.0

* 3.29 (minimum required CMake version)
* 4.0 (CMake policy version)

Author: petk

.github/workflows/check.yaml

@@ -50,5 +50,5 @@ jobs:
         run: |
           normalizer.cmake -- \
             --set normalize_indent_style=false \
-            --set normalize_cmake_minimum_required=3.27...4.0 \
+            --set normalize_cmake_minimum_required=3.29...4.0 \
             -j

CMakeLists.txt

@@ -55,7 +55,7 @@ See build system documentation for available PHP configuration variables and
 further information.
 #]=============================================================================]
 
-cmake_minimum_required(VERSION 3.27...4.0)
+cmake_minimum_required(VERSION 3.29...4.0)
 
 if(CMAKE_BINARY_DIR PATH_EQUAL CMAKE_CURRENT_LIST_DIR)
   message(

README.md

@@ -1,10 +1,8 @@
 # PHP build system
 
 [![PHP version](https://img.shields.io/badge/PHP-8.3-777BB4?logo=php&labelColor=17181B)](https://www.php.net/)
-[![CMake version](https://img.shields.io/badge/CMake-3.27-064F8C?logo=cmake&labelColor=17181B)](https://cmake.org)
-[![C99](https://img.shields.io/badge/standard-C99-A8B9CC?logo=C&labelColor=17181B)](https://port70.net/~nsz/c/c99/n1256.html)
-[![GNU](https://img.shields.io/badge/-GNU-A42E2B?logo=gnu&labelColor=17181B)](https://www.gnu.org/)
-[![Ninja](https://img.shields.io/badge/%F0%9F%A5%B7-Ninja%20build-DD6620?labelColor=17181B)](https://ninja-build.org/)
+[![CMake version](https://img.shields.io/badge/CMake-3.29-064F8C?logo=cmake&labelColor=17181B)](https://cmake.org)
+[![C99](https://img.shields.io/badge/standard-C99-A8B9CC?logo=C&labelColor=17181B)](https://www.open-std.org/jtc1/sc22/WG14/www/docs/n1256.pdf)
 
 > [!IMPORTANT]
 > You are browsing the `PHP-8.3` branch of this repository. For the latest

cmake/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.27...4.0)
+cmake_minimum_required(VERSION 3.29...4.0)
 
 # Configure CMake behavior.
 include(cmake/CMakeDefaults.cmake)

cmake/Zend/cmake/Version.cmake

@@ -13,13 +13,12 @@ include_guard(GLOBAL)
 
 # Set Zend Engine version variables.
 block(PROPAGATE Zend_VERSION Zend_VERSION_LABEL)
-  set(regex "^[ \t]*#[ \t]*define[ \t]+ZEND_VERSION[ \t]+\"([0-9.]+)([^\"]*)")
-  file(STRINGS zend.h _ REGEX "${regex}")
-
-  if(CMAKE_VERSION VERSION_LESS 3.29)
-    string(REGEX MATCH "${regex}" _ "${_}")
-  endif()
-
+  file(
+    STRINGS
+    zend.h
+    _
+    REGEX "^[ \t]*#[ \t]*define[ \t]+ZEND_VERSION[ \t]+\"([0-9.]+)([^\"]*)"
+  )
   set(Zend_VERSION "${CMAKE_MATCH_1}")
   set(Zend_VERSION_LABEL "${CMAKE_MATCH_2}")
 endblock()
@@ -35,19 +34,21 @@ function(_zend_version_post_project)
   message(STATUS "Zend Engine version: ${Zend_VERSION}")
 
   # Get extensions API number.
-  set(regex "^[ \t]*#[ \t]*define[ \t]+ZEND_EXTENSION_API_NO[ \t]+([0-9]+)")
-  file(STRINGS zend_extensions.h _ REGEX "${regex}")
-  if(CMAKE_VERSION VERSION_LESS 3.29)
-    string(REGEX MATCH "${regex}" _ "${_}")
-  endif()
+  file(
+    STRINGS
+    zend_extensions.h
+    _
+    REGEX "^[ \t]*#[ \t]*define[ \t]+ZEND_EXTENSION_API_NO[ \t]+([0-9]+)"
+  )
   set(Zend_VERSION_EXTENSION_API_NO "${CMAKE_MATCH_1}")
 
   # Get modules API number.
-  set(regex "^[ \t]*#[ \t]*define[ \t]+ZEND_MODULE_API_NO[ \t]+([0-9]+)")
-  file(STRINGS zend_modules.h _ REGEX "${regex}")
-  if(CMAKE_VERSION VERSION_LESS 3.29)
-    string(REGEX MATCH "${regex}" _ "${_}")
-  endif()
+  file(
+    STRINGS
+    zend_modules.h
+    _
+    REGEX "^[ \t]*#[ \t]*define[ \t]+ZEND_MODULE_API_NO[ \t]+([0-9]+)"
+  )
   set(Zend_VERSION_MODULE_API_NO "${CMAKE_MATCH_1}")
 
   return(

cmake/cmake/Version.cmake

@@ -15,15 +15,8 @@ include_guard(GLOBAL)
 
 # Set the PHP_VERSION_* variables from configure.ac.
 block(PROPAGATE PHP_VERSION)
-  set(regex "^AC_INIT.+PHP\\],\\[([0-9.]+)([^]]*)")
-  file(STRINGS configure.ac _ REGEX "${regex}")
-
-  if(CMAKE_VERSION VERSION_LESS 3.29)
-    string(REGEX MATCH "${regex}" _ "${_}")
-  endif()
-
+  file(STRINGS configure.ac _ REGEX "^AC_INIT.+PHP\\],\\[([0-9.]+)([^]]*)")
   set(PHP_VERSION "${CMAKE_MATCH_1}")
-
   set(
     PHP_VERSION_LABEL "${CMAKE_MATCH_2}"
     CACHE STRING "Extra PHP version label suffix, e.g. '-dev', 'rc1', '-acme'"
@@ -51,13 +44,12 @@ function(_php_version_post_project)
   )
 
   # Get PHP API version.
-  set(regex "^[ \t]*#[ \t]*define[ \t]+PHP_API_VERSION[ \t]+([0-9]+)")
-  file(STRINGS main/php.h _ REGEX "${regex}")
-
-  if(CMAKE_VERSION VERSION_LESS 3.29)
-    string(REGEX MATCH "${regex}" _ "${_}")
-  endif()
-
+  file(
+    STRINGS
+    main/php.h
+    _
+    REGEX "^[ \t]*#[ \t]*define[ \t]+PHP_API_VERSION[ \t]+([0-9]+)"
+  )
   set(PHP_API_VERSION "${CMAKE_MATCH_1}")
 
   return(PROPAGATE PHP_VERSION PHP_VERSION_ID PHP_API_VERSION)

cmake/cmake/modules/FindApache.cmake

@@ -163,11 +163,7 @@ block()
       OUTPUT_STRIP_TRAILING_WHITESPACE
       ERROR_QUIET
     )
-    if(CMAKE_VERSION VERSION_LESS 3.29)
-      if(EXISTS ${path})
-        set_property(CACHE Apache_APR_CONFIG_EXECUTABLE PROPERTY VALUE ${path})
-      endif()
-    elseif(IS_EXECUTABLE ${path})
+    if(IS_EXECUTABLE "${path}")
       set_property(CACHE Apache_APR_CONFIG_EXECUTABLE PROPERTY VALUE ${path})
     endif()
   endif()
@@ -248,11 +244,7 @@ block()
       OUTPUT_STRIP_TRAILING_WHITESPACE
       ERROR_QUIET
     )
-    if(CMAKE_VERSION VERSION_LESS 3.29)
-      if(EXISTS ${path})
-        set_property(CACHE Apache_APU_CONFIG_EXECUTABLE PROPERTY VALUE ${path})
-      endif()
-    elseif(IS_EXECUTABLE ${path})
+    if(IS_EXECUTABLE "${path}")
       set_property(CACHE Apache_APU_CONFIG_EXECUTABLE PROPERTY VALUE ${path})
     endif()
   endif()

cmake/cmake/modules/FindRE2C.cmake

@@ -57,13 +57,7 @@ endif()
 ################################################################################
 
 block(PROPAGATE RE2C_VERSION _reason _re2cRequiredVars)
-  if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.29)
-    set(test IS_EXECUTABLE)
-  else()
-    set(test EXISTS)
-  endif()
-
-  if(${test} ${RE2C_EXECUTABLE})
+  if(IS_EXECUTABLE "${RE2C_EXECUTABLE}")
     list(APPEND _re2cRequiredVars RE2C_VERSION)
     execute_process(
       COMMAND ${RE2C_EXECUTABLE} --version

cmake/cmake/modules/PHP/AddCustomCommand/RunCommand.cmake

@@ -11,7 +11,7 @@ Expected variables:
 * COMMENT
 #]=============================================================================]
 
-cmake_minimum_required(VERSION 3.27...4.0)
+cmake_minimum_required(VERSION 3.29...4.0)
 
 if(NOT CMAKE_SCRIPT_MODE_FILE OR NOT PHP_EXECUTABLE OR NOT PHP_COMMAND)
   return()

cmake/cmake/modules/PHP/Stubs/StubsGenerator.cmake.in

@@ -6,7 +6,7 @@ Expected variables:
 * PHP_COMMAND
 #]=============================================================================]
 
-cmake_minimum_required(VERSION 3.27...4.0)
+cmake_minimum_required(VERSION 3.29...4.0)
 
 if(NOT CMAKE_SCRIPT_MODE_FILE)
   message(FATAL_ERROR "This is a command-line script.")