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| 1 | +#[=============================================================================[ |
| 2 | +# FindPHP |
| 3 | +
|
| 4 | +Finds PHP, the general-purpose scripting language: |
| 5 | +
|
| 6 | +```cmake |
| 7 | +find_package(PHP [<version>] [...]) |
| 8 | +``` |
| 9 | +
|
| 10 | +## Result variables |
| 11 | +
|
| 12 | +This module defines the following variables: |
| 13 | +
|
| 14 | +* `PHP_FOUND` - Boolean indicating whether (the requested version of) package |
| 15 | + was found. |
| 16 | +* `PHP_VERSION` - The version of package found. |
| 17 | +
|
| 18 | +## Cache variables |
| 19 | +
|
| 20 | +The following cache variables may also be set: |
| 21 | +
|
| 22 | +* `PHP_EXECUTABLE` - PHP command-line tool, if available. |
| 23 | +
|
| 24 | +## Hints |
| 25 | +
|
| 26 | +* `PHP_ARTIFACTS_PREFIX` - A prefix that will be used for all result and cache |
| 27 | + variables. |
| 28 | +
|
| 29 | + To comply with standard find modules, the `PHP_FOUND` result variable is also |
| 30 | + defined, even if prefix has been specified. |
| 31 | +
|
| 32 | +## Examples |
| 33 | +
|
| 34 | +### Example: Finding PHP |
| 35 | +
|
| 36 | +```cmake |
| 37 | +# CMakeLists.txt |
| 38 | +
|
| 39 | +find_package(PHP) |
| 40 | +
|
| 41 | +if(PHP_FOUND) |
| 42 | + message(STATUS "PHP_EXECUTABLE=${PHP_EXECUTABLE}") |
| 43 | + message(STATUS "PHP_VERSION=${PHP_VERSION}") |
| 44 | +endif() |
| 45 | +``` |
| 46 | +
|
| 47 | +### Example: Using hint variables |
| 48 | +
|
| 49 | +Finding PHP on the host and prefixing the module result/cache variables: |
| 50 | +
|
| 51 | +```cmake |
| 52 | +set(PHP_ARTIFACTS_PREFIX "_HOST") |
| 53 | +find_package(PHP) |
| 54 | +unset(PHP_ARTIFACTS_PREFIX) |
| 55 | +
|
| 56 | +if(PHP_HOST_FOUND) |
| 57 | + message(STATUS "PHP_HOST_EXECUTABLE=${PHP_HOST_EXECUTABLE}") |
| 58 | + message(STATUS "PHP_HOST_VERSION=${PHP_HOST_VERSION}") |
| 59 | +endif() |
| 60 | +``` |
| 61 | +#]=============================================================================] |
| 62 | + |
| 63 | +cmake_minimum_required(VERSION 4.2...4.3) |
| 64 | + |
| 65 | +include(FeatureSummary) |
| 66 | +include(FindPackageHandleStandardArgs) |
| 67 | + |
| 68 | +############################################################################## |
| 69 | +# Configuration. |
| 70 | +############################################################################## |
| 71 | + |
| 72 | +set_package_properties( |
| 73 | + PHP |
| 74 | + PROPERTIES |
| 75 | + URL "https://www.php.net" |
| 76 | + DESCRIPTION "PHP: Hypertext Preprocessor" |
| 77 | +) |
| 78 | + |
| 79 | +if(PHP_ARTIFACTS_PREFIX) |
| 80 | + set(_php_prefix "${PHP_ARTIFACTS_PREFIX}") |
| 81 | +else() |
| 82 | + set(_php_prefix "") |
| 83 | +endif() |
| 84 | + |
| 85 | +block( |
| 86 | + PROPAGATE |
| 87 | + PHP_FOUND |
| 88 | + PHP${_php_prefix}_FOUND |
| 89 | + PHP${_php_prefix}_VERSION |
| 90 | +) |
| 91 | + set(reason "") |
| 92 | + |
| 93 | + ############################################################################## |
| 94 | + # Find the PHP executable. |
| 95 | + ############################################################################## |
| 96 | + |
| 97 | + find_program( |
| 98 | + PHP${_php_prefix}_EXECUTABLE |
| 99 | + NAMES php |
| 100 | + DOC "Path to the PHP executable" |
| 101 | + ) |
| 102 | + mark_as_advanced(PHP${_php_prefix}_EXECUTABLE) |
| 103 | + |
| 104 | + if(NOT PHP${_php_prefix}_EXECUTABLE) |
| 105 | + string(APPEND reason "The php command-line executable not found. ") |
| 106 | + endif() |
| 107 | + |
| 108 | + ############################################################################## |
| 109 | + # Check version. |
| 110 | + ############################################################################## |
| 111 | + |
| 112 | + if(IS_EXECUTABLE "${PHP${_php_prefix}_EXECUTABLE}") |
| 113 | + execute_process( |
| 114 | + COMMAND "${PHP${_php_prefix}_EXECUTABLE}" --version |
| 115 | + OUTPUT_VARIABLE version |
| 116 | + RESULT_VARIABLE result |
| 117 | + ERROR_QUIET |
| 118 | + OUTPUT_STRIP_TRAILING_WHITESPACE |
| 119 | + ) |
| 120 | + |
| 121 | + if(NOT result EQUAL 0) |
| 122 | + string( |
| 123 | + APPEND |
| 124 | + reason |
| 125 | + "Command '${PHP${_php_prefix}_EXECUTABLE} --version' failed. " |
| 126 | + ) |
| 127 | + elseif(version MATCHES "PHP ([^ ]+) ") |
| 128 | + set(PHP${_php_prefix}_VERSION "${CMAKE_MATCH_1}") |
| 129 | + else() |
| 130 | + string(APPEND reason "Invalid version format. ") |
| 131 | + endif() |
| 132 | + endif() |
| 133 | + |
| 134 | + ############################################################################## |
| 135 | + # Handle result. |
| 136 | + ############################################################################## |
| 137 | + |
| 138 | + find_package_handle_standard_args( |
| 139 | + PHP |
| 140 | + REQUIRED_VARS |
| 141 | + PHP${_php_prefix}_EXECUTABLE |
| 142 | + VERSION_VAR PHP${_php_prefix}_VERSION |
| 143 | + HANDLE_VERSION_RANGE |
| 144 | + REASON_FAILURE_MESSAGE "${reason}" |
| 145 | + ) |
| 146 | + |
| 147 | + set(PHP${_php_prefix}_FOUND ${PHP_FOUND}) |
| 148 | +endblock() |
| 149 | + |
| 150 | +unset(_php_prefix) |
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