summaryrefslogtreecommitdiffstats
path: root/Modules/FindJava.cmake
blob: bcdf166fdf60779397ab4ea1deaa4ca0be034ee2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.

#.rst:
# FindJava
# --------
#
# Find Java
#
# This module finds if Java is installed and determines where the
# include files and libraries are.  The caller may set variable ``JAVA_HOME``
# to specify a Java installation prefix explicitly.
#
# See also the :module:`FindJNI` module to find Java Native Interface (JNI).
#
# Specify one or more of the following components as you call this find module. See example below.
#
# ::
#
#   Runtime     = Java Runtime Environment used to execute Java byte-compiled applications
#   Development = Development tools (java, javac, javah, jar and javadoc), includes Runtime component
#   IdlJ        = Interface Description Language (IDL) to Java compiler
#   JarSigner   = Signer and verifier tool for Java Archive (JAR) files
#
#
# This module sets the following result variables:
#
# ::
#
#   Java_JAVA_EXECUTABLE      = the full path to the Java runtime
#   Java_JAVAC_EXECUTABLE     = the full path to the Java compiler
#   Java_JAVAH_EXECUTABLE     = the full path to the Java header generator
#   Java_JAVADOC_EXECUTABLE   = the full path to the Java documentation generator
#   Java_IDLJ_EXECUTABLE      = the full path to the Java idl compiler
#   Java_JAR_EXECUTABLE       = the full path to the Java archiver
#   Java_JARSIGNER_EXECUTABLE = the full path to the Java jar signer
#   Java_VERSION_STRING       = Version of java found, eg. 1.6.0_12
#   Java_VERSION_MAJOR        = The major version of the package found.
#   Java_VERSION_MINOR        = The minor version of the package found.
#   Java_VERSION_PATCH        = The patch version of the package found.
#   Java_VERSION_TWEAK        = The tweak version of the package found (after '_')
#   Java_VERSION              = This is set to: $major[.$minor[.$patch[.$tweak]]]
#
#
#
# The minimum required version of Java can be specified using the
# :command:`find_package` syntax, e.g.
#
# .. code-block:: cmake
#
#   find_package(Java 1.8)
#
# NOTE: ``${Java_VERSION}`` and ``${Java_VERSION_STRING}`` are not guaranteed to
# be identical.  For example some java version may return:
# ``Java_VERSION_STRING = 1.8.0_17`` and ``Java_VERSION = 1.8.0.17``
#
# another example is the Java OEM, with: ``Java_VERSION_STRING = 1.8.0-oem``
# and ``Java_VERSION = 1.8.0``
#
# For these components the following variables are set:
#
# ::
#
#   Java_FOUND                    - TRUE if all components are found.
#   Java_<component>_FOUND        - TRUE if <component> is found.
#
#
#
# Example Usages:
#
# ::
#
#   find_package(Java)
#   find_package(Java 1.8 REQUIRED)
#   find_package(Java COMPONENTS Runtime)
#   find_package(Java COMPONENTS Development)

include(${CMAKE_CURRENT_LIST_DIR}/CMakeFindJavaCommon.cmake)

# The HINTS option should only be used for values computed from the system.
set(_JAVA_HINTS)
if(_JAVA_HOME)
  list(APPEND _JAVA_HINTS ${_JAVA_HOME}/bin)
endif()
if (WIN32)
  macro (_JAVA_GET_INSTALLED_VERSIONS _KIND)
    execute_process(COMMAND REG QUERY HKLM\\SOFTWARE\\JavaSoft\\${_KIND} /f "." /k
      RESULT_VARIABLE _JAVA_RESULT
      OUTPUT_VARIABLE _JAVA_VERSIONS
      ERROR_QUIET)
    if (NOT  _JAVA_RESULT)
      string (REGEX MATCHALL "HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\JavaSoft\\\\${_KIND}\\\\[0-9.]+" _JAVA_VERSIONS "${_JAVA_VERSIONS}")
      if (_JAVA_VERSIONS)
        # sort versions. Most recent first
        ## handle version 9 apart from other versions to get correct ordering
        set (_JAVA_V9 ${_JAVA_VERSIONS})
        list (FILTER _JAVA_VERSIONS EXCLUDE REGEX "${_KIND}\\\\9")
        list (SORT _JAVA_VERSIONS)
        list (REVERSE _JAVA_VERSIONS)
        list (FILTER _JAVA_V9 INCLUDE REGEX "${_KIND}\\\\9")
        list (SORT _JAVA_V9)
        list (REVERSE _JAVA_V9)
        list (APPEND _JAVA_VERSIONS ${_JAVA_V9})
        foreach (_JAVA_HINT IN LISTS _JAVA_VERSIONS)
          list(APPEND _JAVA_HINTS "[${_JAVA_HINT};JavaHome]/bin")
        endforeach()
      endif()
    endif()
  endmacro()

  # search for installed versions for version 9 and upper
  _JAVA_GET_INSTALLED_VERSIONS("JDK")
  _JAVA_GET_INSTALLED_VERSIONS("JRE")

  list(APPEND _JAVA_HINTS
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.9;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.8;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.7;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.6;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.5;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.4;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.3;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.9;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.8;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.7;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.6;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.5;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.4;JavaHome]/bin"
  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Runtime Environment\\1.3;JavaHome]/bin"
  )
endif()

# Hard-coded guesses should still go in PATHS. This ensures that the user
# environment can always override hard guesses.
set(_JAVA_PATHS
  /usr/lib/java/bin
  /usr/share/java/bin
  /usr/local/java/bin
  /usr/local/java/share/bin
  /usr/java/j2sdk1.4.2_04
  /usr/lib/j2sdk1.4-sun/bin
  /usr/java/j2sdk1.4.2_09/bin
  /usr/lib/j2sdk1.5-sun/bin
  /opt/sun-jdk-1.5.0.04/bin
  /usr/local/jdk-1.7.0/bin
  /usr/local/jdk-1.6.0/bin
  )
find_program(Java_JAVA_EXECUTABLE
  NAMES java
  HINTS ${_JAVA_HINTS}
  PATHS ${_JAVA_PATHS}
)

if(Java_JAVA_EXECUTABLE)
    execute_process(COMMAND ${Java_JAVA_EXECUTABLE} -version
      RESULT_VARIABLE res
      OUTPUT_VARIABLE var
      ERROR_VARIABLE var # sun-java output to stderr
      OUTPUT_STRIP_TRAILING_WHITESPACE
      ERROR_STRIP_TRAILING_WHITESPACE)
    if( res )
      if(var MATCHES "No Java runtime present, requesting install")
        set_property(CACHE Java_JAVA_EXECUTABLE
          PROPERTY VALUE "Java_JAVA_EXECUTABLE-NOTFOUND")
      elseif(${Java_FIND_REQUIRED})
        message( FATAL_ERROR "Error executing java -version" )
      else()
        message( STATUS "Warning, could not run java -version")
      endif()
    else()
      # Extract version components (up to 4 levels) from "java -version" output.
      set(_java_version_regex [[(([0-9]+)(\.([0-9]+)(\.([0-9]+)(_([0-9]+))?)?)?.*)]])
      if(var MATCHES "java version \"${_java_version_regex}\"")
        # Sun, GCJ, older OpenJDK
        set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
        set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
        if (CMAKE_MATCH_4)
        set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
        else()
          set(Java_VERSION_MINOR 0)
        endif()
        if (CMAKE_MATCH_6)
        set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
        else()
          set(Java_VERSION_PATCH 0)
        endif()
        set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
      elseif(var MATCHES "openjdk version \"${_java_version_regex}\"")
        # OpenJDK
        set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
        set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
        if (CMAKE_MATCH_4)
        set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
        else()
          set(Java_VERSION_MINOR 0)
        endif()
        if (CMAKE_MATCH_6)
        set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
        else()
          set(Java_VERSION_PATCH 0)
        endif()
        set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
      elseif(var MATCHES "openjdk version \"([0-9]+)-[A-Za-z]+\"")
        # OpenJDK 9 early access builds or locally built
        set(Java_VERSION_STRING "1.${CMAKE_MATCH_1}.0")
        set(Java_VERSION_MAJOR "1")
        set(Java_VERSION_MINOR "${CMAKE_MATCH_1}")
        set(Java_VERSION_PATCH "0")
        set(Java_VERSION_TWEAK "")
      elseif(var MATCHES "java full version \"kaffe-${_java_version_regex}\"")
        # Kaffe style
        set(Java_VERSION_STRING "${CMAKE_MATCH_1}")
        set(Java_VERSION_MAJOR "${CMAKE_MATCH_2}")
        set(Java_VERSION_MINOR "${CMAKE_MATCH_4}")
        set(Java_VERSION_PATCH "${CMAKE_MATCH_6}")
        set(Java_VERSION_TWEAK "${CMAKE_MATCH_8}")
      else()
        if(NOT Java_FIND_QUIETLY)
          string(REPLACE "\n" "\n  " ver_msg "\n${var}")
          message(WARNING "Java version not recognized:${ver_msg}\nPlease report.")
        endif()
        set(Java_VERSION_STRING "")
        set(Java_VERSION_MAJOR "")
        set(Java_VERSION_MINOR "")
        set(Java_VERSION_PATCH "")
        set(Java_VERSION_TWEAK "")
      endif()
      set(Java_VERSION "${Java_VERSION_MAJOR}")
      if(NOT "x${Java_VERSION}" STREQUAL "x")
        foreach(c MINOR PATCH TWEAK)
          if(NOT "x${Java_VERSION_${c}}" STREQUAL "x")
            string(APPEND Java_VERSION ".${Java_VERSION_${c}}")
          else()
            break()
          endif()
        endforeach()
      endif()
    endif()

endif()


find_program(Java_JAR_EXECUTABLE
  NAMES jar
  HINTS ${_JAVA_HINTS}
  PATHS ${_JAVA_PATHS}
)

find_program(Java_JAVAC_EXECUTABLE
  NAMES javac
  HINTS ${_JAVA_HINTS}
  PATHS ${_JAVA_PATHS}
)

find_program(Java_JAVAH_EXECUTABLE
  NAMES javah
  HINTS ${_JAVA_HINTS}
  PATHS ${_JAVA_PATHS}
)

find_program(Java_JAVADOC_EXECUTABLE
  NAMES javadoc
  HINTS ${_JAVA_HINTS}
  PATHS ${_JAVA_PATHS}
)

find_program(Java_IDLJ_EXECUTABLE
  NAMES idlj
  HINTS ${_JAVA_HINTS}
  PATHS ${_JAVA_PATHS}
)

find_program(Java_JARSIGNER_EXECUTABLE
  NAMES jarsigner
  HINTS ${_JAVA_HINTS}
  PATHS ${_JAVA_PATHS}
)

include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
if(Java_FIND_COMPONENTS)
  set(_JAVA_REQUIRED_VARS)
  foreach(component ${Java_FIND_COMPONENTS})
    # User just want to execute some Java byte-compiled
    If(component STREQUAL "Runtime")
      list(APPEND _JAVA_REQUIRED_VARS Java_JAVA_EXECUTABLE)
      if(Java_JAVA_EXECUTABLE)
        set(Java_Runtime_FOUND TRUE)
      endif()
    elseif(component STREQUAL "Development")
      list(APPEND _JAVA_REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAVAC_EXECUTABLE
                                      Java_JAR_EXECUTABLE Java_JAVADOC_EXECUTABLE)
      if(Java_VERSION VERSION_LESS "10")
        list(APPEND _JAVA_REQUIRED_VARS Java_JAVAH_EXECUTABLE)
        if(Java_JAVA_EXECUTABLE AND Java_JAVAC_EXECUTABLE
            AND Java_JAVAH_EXECUTABLE AND Java_JAR_EXECUTABLE AND Java_JAVADOC_EXECUTABLE)
          set(Java_Development_FOUND TRUE)
        endif()
      else()
        if(Java_JAVA_EXECUTABLE AND Java_JAVAC_EXECUTABLE
            AND Java_JAR_EXECUTABLE AND Java_JAVADOC_EXECUTABLE)
          set(Java_Development_FOUND TRUE)
        endif()
      endif()
    elseif(component STREQUAL "IdlJ")
      list(APPEND _JAVA_REQUIRED_VARS Java_IDLJ_EXECUTABLE)
      if(Java_IDLJ_EXECUTABLE)
        set(Java_IdlJ_FOUND TRUE)
      endif()
    elseif(component STREQUAL "JarSigner")
      list(APPEND _JAVA_REQUIRED_VARS Java_JARSIGNER_EXECUTABLE)
      if(Java_JARSIGNER_EXECUTABLE)
        set(Java_JarSigner_FOUND TRUE)
      endif()
    else()
      message(FATAL_ERROR "Comp: ${component} is not handled")
    endif()
  endforeach()
  list (REMOVE_DUPLICATES _JAVA_REQUIRED_VARS)
  find_package_handle_standard_args(Java
    REQUIRED_VARS ${_JAVA_REQUIRED_VARS} HANDLE_COMPONENTS
    VERSION_VAR Java_VERSION
    )
  if(Java_FOUND)
    foreach(component ${Java_FIND_COMPONENTS})
      set(Java_${component}_FOUND TRUE)
    endforeach()
  endif()
else()
  # Check for Development
  if(Java_VERSION VERSION_LESS "10")
    find_package_handle_standard_args(Java
      REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE
                    Java_JAVAH_EXECUTABLE Java_JAVADOC_EXECUTABLE
      VERSION_VAR Java_VERSION_STRING
      )
  else()
    find_package_handle_standard_args(Java
      REQUIRED_VARS Java_JAVA_EXECUTABLE Java_JAR_EXECUTABLE Java_JAVAC_EXECUTABLE
                    Java_JAVADOC_EXECUTABLE
      VERSION_VAR Java_VERSION_STRING
      )
  endif()
endif()


mark_as_advanced(
  Java_JAVA_EXECUTABLE
  Java_JAR_EXECUTABLE
  Java_JAVAC_EXECUTABLE
  Java_JAVAH_EXECUTABLE
  Java_JAVADOC_EXECUTABLE
  Java_IDLJ_EXECUTABLE
  Java_JARSIGNER_EXECUTABLE
  )

# LEGACY
set(JAVA_RUNTIME ${Java_JAVA_EXECUTABLE})
set(JAVA_ARCHIVE ${Java_JAR_EXECUTABLE})
set(JAVA_COMPILE ${Java_JAVAC_EXECUTABLE})