1 # Distributed under the OSI-approved BSD 3-Clause License. See accompanying
2 # file Copyright.txt or https://cmake.org/licensing for details.
10 # This module finds if Java is installed and determines where the
11 # include files and libraries are. The caller may set variable JAVA_HOME
12 # to specify a Java installation prefix explicitly.
14 # See also the :module:`FindJNI` module to find Java development tools.
16 # Specify one or more of the following components as you call this find module. See example below.
20 # Runtime = User just want to execute some Java byte-compiled
21 # Development = Development tools (java, javac, javah and javadoc), includes Runtime component
22 # IdlJ = idl compiler for Java
23 # JarSigner = signer tool for jar
26 # This module sets the following result variables:
30 # Java_JAVA_EXECUTABLE = the full path to the Java runtime
31 # Java_JAVAC_EXECUTABLE = the full path to the Java compiler
32 # Java_JAVAH_EXECUTABLE = the full path to the Java header generator
33 # Java_JAVADOC_EXECUTABLE = the full path to the Java documentation generator
34 # Java_IDLJ_EXECUTABLE = the full path to the Java idl compiler
35 # Java_JAR_EXECUTABLE = the full path to the Java archiver
36 # Java_JARSIGNER_EXECUTABLE = the full path to the Java jar signer
37 # Java_VERSION_STRING = Version of java found, eg. 1.6.0_12
38 # Java_VERSION_MAJOR = The major version of the package found.
39 # Java_VERSION_MINOR = The minor version of the package found.
40 # Java_VERSION_PATCH = The patch version of the package found.
41 # Java_VERSION_TWEAK = The tweak version of the package found (after '_')
42 # Java_VERSION = This is set to: $major[.$minor[.$patch[.$tweak]]]
46 # The minimum required version of Java can be specified using the
47 # standard CMake syntax, e.g. find_package(Java 1.5)
49 # NOTE: ${Java_VERSION} and ${Java_VERSION_STRING} are not guaranteed to
50 # be identical. For example some java version may return:
51 # Java_VERSION_STRING = 1.5.0_17 and Java_VERSION = 1.5.0.17
53 # another example is the Java OEM, with: Java_VERSION_STRING = 1.6.0-oem
54 # and Java_VERSION = 1.6.0
56 # For these components the following variables are set:
60 # Java_FOUND - TRUE if all components are found.
61 # Java_<component>_FOUND - TRUE if <component> is found.
70 # find_package(Java COMPONENTS Runtime)
71 # find_package(Java COMPONENTS Development)
73 include(${CMAKE_CURRENT_LIST_DIR}/CMakeFindJavaCommon.cmake)
75 # The HINTS option should only be used for values computed from the system.
78 list(APPEND _JAVA_HINTS ${_JAVA_HOME}/bin)
81 macro (_JAVA_GET_INSTALLED_VERSIONS _KIND)
82 execute_process(COMMAND REG QUERY HKLM\\SOFTWARE\\JavaSoft\\${_KIND} /f "." /k
83 RESULT_VARIABLE _JAVA_RESULT
84 OUTPUT_VARIABLE _JAVA_VERSIONS
87 string (REGEX MATCHALL "HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\JavaSoft\\\\${_KIND}\\\\[0-9.]+" _JAVA_VERSIONS "${_JAVA_VERSIONS}")
89 # sort versions. Most recent first
90 ## handle version 9 apart from other versions to get correct ordering
91 set (_JAVA_V9 ${_JAVA_VERSIONS})
92 list (FILTER _JAVA_VERSIONS EXCLUDE REGEX "${_KIND}\\\\9")
93 list (SORT _JAVA_VERSIONS)
94 list (REVERSE _JAVA_VERSIONS)
95 list (FILTER _JAVA_V9 INCLUDE REGEX "${_KIND}\\\\9")
97 list (REVERSE _JAVA_V9)
98 list (APPEND _JAVA_VERSIONS ${_JAVA_V9})
99 foreach (_JAVA_HINT IN LISTS _JAVA_VERSIONS)
100 list(APPEND _JAVA_HINTS "[${_JAVA_HINT};JavaHome]/bin")
106 # search for installed versions for version 9 and upper
107 _JAVA_GET_INSTALLED_VERSIONS("JDK")
108 _JAVA_GET_INSTALLED_VERSIONS("JRE")
110 list(APPEND _JAVA_HINTS
111 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.9;JavaHome]/bin"
112 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.8;JavaHome]/bin"
113 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.7;JavaHome]/bin"
114 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.6;JavaHome]/bin"
115 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.5;JavaHome]/bin"
116 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.4;JavaHome]/bin"
117 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.3;JavaHome]/bin"
118 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.9;JavaHome]/bin"
119 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.8;JavaHome]/bin"
120 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.7;JavaHome]/bin"
121 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.6;JavaHome]/bin"
122 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.5;JavaHome]/bin"
123 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.4;JavaHome]/bin"
124 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.3;JavaHome]/bin"
128 # Hard-coded guesses should still go in PATHS. This ensures that the user
129 # environment can always override hard guesses.
134 /usr/local/java/share/bin
135 /usr/java/j2sdk1.4.2_04
136 /usr/lib/j2sdk1.4-sun/bin
137 /usr/java/j2sdk1.4.2_09/bin
138 /usr/lib/j2sdk1.5-sun/bin
139 /opt/sun-jdk-1.5.0.04/bin
140 /usr/local/jdk-1.7.0/bin
141 /usr/local/jdk-1.6.0/bin
143 find_program(Java_JAVA_EXECUTABLE
149 if(Java_JAVA_EXECUTABLE)
150 execute_process(COMMAND ${Java_JAVA_EXECUTABLE} -version
153 ERROR_VARIABLE var # sun-java output to stderr
154 OUTPUT_STRIP_TRAILING_WHITESPACE
155 ERROR_STRIP_TRAILING_WHITESPACE)
157 if(var MATCHES "No Java runtime present, requesting install")
158 set_property(CACHE Java_JAVA_EXECUTABLE
159 PROPERTY VALUE "Java_JAVA_EXECUTABLE-NOTFOUND")
160 elseif(${Java_FIND_REQUIRED})
161 message( FATAL_ERROR "Error executing java -version" )
163 message( STATUS "Warning, could not run java -version")
166 # Extract version components (up to 4 levels) from "java -version" output.
167 set(_java_version_regex [[(([0-9]+)(\.([0-9]+)(\.([0-9]+)(_([0-9]+))?)?)?.*)]])
168 if(var MATCHES "java version \"${_java_version_regex}\"")
169 # Sun, GCJ, older OpenJDK
170 set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
171 set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
173 set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
175 set(Java_VERSION_MINOR 0)
178 set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
180 set(Java_VERSION_PATCH 0)
182 set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
183 elseif(var MATCHES "openjdk version \"${_java_version_regex}\"")
185 set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
186 set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
188 set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
190 set(Java_VERSION_MINOR 0)
193 set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
195 set(Java_VERSION_PATCH 0)
197 set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
198 elseif(var MATCHES "openjdk version \"([0-9]+)-[A-Za-z]+\"")
199 # OpenJDK 9 early access builds or locally built
200 set(Java_VERSION_STRING "1.${CMAKE_MATCH_1}.0")
201 set(Java_VERSION_MAJOR "1")
202 set(Java_VERSION_MINOR "${CMAKE_MATCH_1}")
203 set(Java_VERSION_PATCH "0")
204 set(Java_VERSION_TWEAK "")
205 elseif(var MATCHES "java full version \"kaffe-${_java_version_regex}\"")
207 set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
208 set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
209 set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
210 set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
211 set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
213 if(NOT Java_FIND_QUIETLY)
214 string(REPLACE "\n" "\n " ver_msg "\n${var}")
215 message(WARNING "Java version not recognized:${ver_msg}\nPlease report.")
217 set(Java_VERSION_STRING "")
218 set(Java_VERSION_MAJOR "")
219 set(Java_VERSION_MINOR "")
220 set(Java_VERSION_PATCH "")
221 set(Java_VERSION_TWEAK "")
223 set(Java_VERSION "${Java_VERSION_MAJOR}")
224 if(NOT "x${Java_VERSION}" STREQUAL "x")
225 foreach(c MINOR PATCH TWEAK)
226 if(NOT "x${Java_VERSION_${c}}" STREQUAL "x")
227 string(APPEND Java_VERSION ".${Java_VERSION_${c}}")
238 find_program(Java_JAR_EXECUTABLE
244 find_program(Java_JAVAC_EXECUTABLE
250 find_program(Java_JAVAH_EXECUTABLE
256 find_program(Java_JAVADOC_EXECUTABLE
262 find_program(Java_IDLJ_EXECUTABLE
268 find_program(Java_JARSIGNER_EXECUTABLE
274 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
275 if(Java_FIND_COMPONENTS)
276 set(_JAVA_REQUIRED_VARS)
277 foreach(component ${Java_FIND_COMPONENTS})
278 # User just want to execute some Java byte-compiled
279 If(component STREQUAL "Runtime")
280 list(APPEND _JAVA_REQUIRED_VARS Java_JAVA_EXECUTABLE)
281 if(Java_JAVA_EXECUTABLE)
282 set(Java_Runtime_FOUND TRUE)
284 elseif(component STREQUAL "Development")
285 list(APPEND _JAVA_REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAVAC_EXECUTABLE
286 Java_JAVADOC_EXECUTABLE)
287 if(Java_VERSION VERSION_LESS "10")
288 list(APPEND _JAVA_REQUIRED_VARS Java_JAVAH_EXECUTABLE)
289 if(Java_JAVA_EXECUTABLE AND Java_JAVAC_EXECUTABLE
290 AND Java_JAVAH_EXECUTABLE AND Java_JAVADOC_EXECUTABLE)
291 set(Java_Development_FOUND TRUE)
294 if(Java_JAVA_EXECUTABLE AND Java_JAVAC_EXECUTABLE
295 AND Java_JAVADOC_EXECUTABLE)
296 set(Java_Development_FOUND TRUE)
299 elseif(component STREQUAL "IdlJ")
300 list(APPEND _JAVA_REQUIRED_VARS Java_IDLJ_EXECUTABLE)
301 if(Java_IDLJ_EXECUTABLE)
302 set(Java_IdlJ_FOUND TRUE)
304 elseif(component STREQUAL "JarSigner")
305 list(APPEND _JAVA_REQUIRED_VARS Java_JARSIGNER_EXECUTABLE)
306 if(Java_JARSIGNER_EXECUTABLE)
307 set(Java_JarSigner_FOUND TRUE)
310 message(FATAL_ERROR "Comp: ${component} is not handled")
313 list (REMOVE_DUPLICATES _JAVA_REQUIRED_VARS)
314 find_package_handle_standard_args(Java
315 REQUIRED_VARS ${_JAVA_REQUIRED_VARS} HANDLE_COMPONENTS
316 VERSION_VAR Java_VERSION
319 foreach(component ${Java_FIND_COMPONENTS})
320 set(Java_${component}_FOUND TRUE)
324 # Check for Development
325 if(Java_VERSION VERSION_LESS "10")
326 find_package_handle_standard_args(Java
327 REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE
328 Java_JAVAH_EXECUTABLE Java_JAVADOC_EXECUTABLE
329 VERSION_VAR Java_VERSION_STRING
332 find_package_handle_standard_args(Java
333 REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE
334 Java_JAVADOC_EXECUTABLE
335 VERSION_VAR Java_VERSION_STRING
344 Java_JAVAC_EXECUTABLE
345 Java_JAVAH_EXECUTABLE
346 Java_JAVADOC_EXECUTABLE
348 Java_JARSIGNER_EXECUTABLE
352 set(JAVA_RUNTIME ${Java_JAVA_EXECUTABLE})
353 set(JAVA_ARCHIVE ${Java_JAR_EXECUTABLE})
354 set(JAVA_COMPILE ${Java_JAVAC_EXECUTABLE})