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)
80 list(APPEND _JAVA_HINTS
81 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\2.0;JavaHome]/bin"
82 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.9;JavaHome]/bin"
83 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.8;JavaHome]/bin"
84 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.7;JavaHome]/bin"
85 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.6;JavaHome]/bin"
86 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.5;JavaHome]/bin"
87 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.4;JavaHome]/bin"
88 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.3;JavaHome]/bin"
89 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\2.0;JavaHome]/bin"
90 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.9;JavaHome]/bin"
91 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.8;JavaHome]/bin"
92 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.7;JavaHome]/bin"
93 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.6;JavaHome]/bin"
94 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.5;JavaHome]/bin"
95 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.4;JavaHome]/bin"
96 "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.3;JavaHome]/bin"
98 # Hard-coded guesses should still go in PATHS. This ensures that the user
99 # environment can always override hard guesses.
104 /usr/local/java/share/bin
105 /usr/java/j2sdk1.4.2_04
106 /usr/lib/j2sdk1.4-sun/bin
107 /usr/java/j2sdk1.4.2_09/bin
108 /usr/lib/j2sdk1.5-sun/bin
109 /opt/sun-jdk-1.5.0.04/bin
110 /usr/local/jdk-1.7.0/bin
111 /usr/local/jdk-1.6.0/bin
113 find_program(Java_JAVA_EXECUTABLE
119 if(Java_JAVA_EXECUTABLE)
120 execute_process(COMMAND ${Java_JAVA_EXECUTABLE} -version
123 ERROR_VARIABLE var # sun-java output to stderr
124 OUTPUT_STRIP_TRAILING_WHITESPACE
125 ERROR_STRIP_TRAILING_WHITESPACE)
127 if(var MATCHES "No Java runtime present, requesting install")
128 set_property(CACHE Java_JAVA_EXECUTABLE
129 PROPERTY VALUE "Java_JAVA_EXECUTABLE-NOTFOUND")
130 elseif(${Java_FIND_REQUIRED})
131 message( FATAL_ERROR "Error executing java -version" )
133 message( STATUS "Warning, could not run java -version")
136 # Extract version components (up to 4 levels) from "java -version" output.
137 set(_java_version_regex [[(([0-9]+)(\.([0-9]+)(\.([0-9]+)(_([0-9]+))?)?)?.*)]])
138 if(var MATCHES "java version \"${_java_version_regex}\"")
139 # Sun, GCJ, older OpenJDK
140 set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
141 set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
142 set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
143 set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
144 set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
145 elseif(var MATCHES "openjdk version \"${_java_version_regex}\"")
147 set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
148 set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
149 set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
150 set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
151 set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
152 elseif(var MATCHES "openjdk version \"([0-9]+)-[A-Za-z]+\"")
153 # OpenJDK 9 early access builds or locally built
154 set(Java_VERSION_STRING "1.${CMAKE_MATCH_1}.0")
155 set(Java_VERSION_MAJOR "1")
156 set(Java_VERSION_MINOR "${CMAKE_MATCH_1}")
157 set(Java_VERSION_PATCH "0")
158 set(Java_VERSION_TWEAK "")
159 elseif(var MATCHES "java full version \"kaffe-${_java_version_regex}\"")
161 set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
162 set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
163 set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
164 set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
165 set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
167 if(NOT Java_FIND_QUIETLY)
168 string(REPLACE "\n" "\n " ver_msg "\n${var}")
169 message(WARNING "Java version not recognized:${ver_msg}\nPlease report.")
171 set(Java_VERSION_STRING "")
172 set(Java_VERSION_MAJOR "")
173 set(Java_VERSION_MINOR "")
174 set(Java_VERSION_PATCH "")
175 set(Java_VERSION_TWEAK "")
177 set(Java_VERSION "${Java_VERSION_MAJOR}")
178 if(NOT "x${Java_VERSION}" STREQUAL "x")
179 foreach(c MINOR PATCH TWEAK)
180 if(NOT "x${Java_VERSION_${c}}" STREQUAL "x")
181 string(APPEND Java_VERSION ".${Java_VERSION_${c}}")
192 find_program(Java_JAR_EXECUTABLE
198 find_program(Java_JAVAC_EXECUTABLE
204 find_program(Java_JAVAH_EXECUTABLE
210 find_program(Java_JAVADOC_EXECUTABLE
216 find_program(Java_IDLJ_EXECUTABLE
222 find_program(Java_JARSIGNER_EXECUTABLE
228 include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
229 if(Java_FIND_COMPONENTS)
230 set(_JAVA_REQUIRED_VARS)
231 foreach(component ${Java_FIND_COMPONENTS})
232 # User just want to execute some Java byte-compiled
233 If(component STREQUAL "Runtime")
234 list(APPEND _JAVA_REQUIRED_VARS Java_JAVA_EXECUTABLE)
235 if(Java_JAVA_EXECUTABLE)
236 set(Java_Runtime_FOUND TRUE)
238 elseif(component STREQUAL "Development")
239 list(APPEND _JAVA_REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAVAC_EXECUTABLE
240 Java_JAVADOC_EXECUTABLE)
241 if(Java_VERSION VERSION_LESS "1.10")
242 list(APPEND _JAVA_REQUIRED_VARS Java_JAVAH_EXECUTABLE)
243 if(Java_JAVA_EXECUTABLE AND Java_JAVAC_EXECUTABLE
244 AND Java_JAVAH_EXECUTABLE AND Java_JAVADOC_EXECUTABLE)
245 set(Java_Development_FOUND TRUE)
248 if(Java_JAVA_EXECUTABLE AND Java_JAVAC_EXECUTABLE
249 AND Java_JAVADOC_EXECUTABLE)
250 set(Java_Development_FOUND TRUE)
253 elseif(component STREQUAL "IdlJ")
254 list(APPEND _JAVA_REQUIRED_VARS Java_IDLJ_EXECUTABLE)
255 if(Java_IDLJ_EXECUTABLE)
256 set(Java_IdlJ_FOUND TRUE)
258 elseif(component STREQUAL "JarSigner")
259 list(APPEND _JAVA_REQUIRED_VARS Java_JARSIGNER_EXECUTABLE)
260 if(Java_JARSIGNER_EXECUTABLE)
261 set(Java_JarSigner_FOUND TRUE)
264 message(FATAL_ERROR "Comp: ${component} is not handled")
267 list (REMOVE_DUPLICATES _JAVA_REQUIRED_VARS)
268 find_package_handle_standard_args(Java
269 REQUIRED_VARS ${_JAVA_REQUIRED_VARS} HANDLE_COMPONENTS
270 VERSION_VAR Java_VERSION
273 foreach(component ${Java_FIND_COMPONENTS})
274 set(Java_${component}_FOUND TRUE)
278 # Check for Development
279 if(Java_VERSION VERSION_LESS "1.10")
280 find_package_handle_standard_args(Java
281 REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE
282 Java_JAVAH_EXECUTABLE Java_JAVADOC_EXECUTABLE
283 VERSION_VAR Java_VERSION_STRING
286 find_package_handle_standard_args(Java
287 REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE
288 Java_JAVADOC_EXECUTABLE
289 VERSION_VAR Java_VERSION_STRING
298 Java_JAVAC_EXECUTABLE
299 Java_JAVAH_EXECUTABLE
300 Java_JAVADOC_EXECUTABLE
302 Java_JARSIGNER_EXECUTABLE
306 set(JAVA_RUNTIME ${Java_JAVA_EXECUTABLE})
307 set(JAVA_ARCHIVE ${Java_JAR_EXECUTABLE})
308 set(JAVA_COMPILE ${Java_JAVAC_EXECUTABLE})