[clfft] 26/107: install clFFT cmake configuration and version file

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch master
in repository clfft.

commit c7bac74917ecdeb6d4db7a3f6d677ddba412efa0
Author: Gaëtan Lehmann <gaetan.lehmann at gmail.com>
Date:   Tue Mar 3 11:32:10 2015 +0100

    install clFFT cmake configuration and version file
    
    so clFFT can be used in a cmake project with the usual find_package command
    
      find_package(clFFT REQUIRED)
      include_directories(${CLFFT_INCLUDE_DIRS})
      tarkget_link_libraries(mytarget ${CLFFT_LIBRARIES})
---
 src/CMakeLists.txt              | 19 +++++++++++++++++
 src/clFFTConfig.cmake.in        |  3 +++
 src/clFFTConfigVersion.cmake.in | 46 +++++++++++++++++++++++++++++++++++++++++
 src/library/CMakeLists.txt      |  1 +
 src/statTimer/CMakeLists.txt    |  1 +
 5 files changed, 70 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e04b535..0b0a3d5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -279,6 +279,25 @@ else( )
 	message( "GoogleTest unit tests will NOT be built" )
 endif( )
 
+if(WIN32)
+  set(destdir CMake)
+else()
+  set(destdir share/clFFT)
+endif()
+string(REGEX REPLACE "[^/]+" ".." reldir "${destdir}")
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/clFFTConfigVersion.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/clFFTConfigVersion.cmake
+  @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/clFFTConfig.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/clFFTConfig.cmake
+  @ONLY)
+install(EXPORT Library DESTINATION ${destdir} FILE clFFTTargets.cmake)
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/clFFTConfigVersion.cmake
+  ${CMAKE_CURRENT_BINARY_DIR}/clFFTConfig.cmake
+  DESTINATION ${destdir})
+
 # The following code is setting variables to control the behavior of CPack to generate our
 if( WIN32 )
 	set( CPACK_SOURCE_GENERATOR "ZIP" )
diff --git a/src/clFFTConfig.cmake.in b/src/clFFTConfig.cmake.in
new file mode 100644
index 0000000..5b58c35
--- /dev/null
+++ b/src/clFFTConfig.cmake.in
@@ -0,0 +1,3 @@
+include(${CMAKE_CURRENT_LIST_DIR}/clFFTTargets.cmake)
+get_filename_component(CLFFT_INCLUDE_DIRS ${CMAKE_CURRENT_LIST_DIR}/@reldir@/include ABSOLUTE)
+set(CLFFT_LIBRARIES clFFT)
diff --git a/src/clFFTConfigVersion.cmake.in b/src/clFFTConfigVersion.cmake.in
new file mode 100644
index 0000000..e358473
--- /dev/null
+++ b/src/clFFTConfigVersion.cmake.in
@@ -0,0 +1,46 @@
+# This is a basic version file for the Config-mode of find_package().
+# It is used by write_basic_package_version_file() as input file for configure_file()
+# to create a version-file which can be installed along a config.cmake file.
+#
+# The created file sets PACKAGE_VERSION_EXACT if the current version string and
+# the requested version string are exactly the same and it sets
+# PACKAGE_VERSION_COMPATIBLE if the current version is >= requested version,
+# but only if the requested major version is the same as the current one.
+# The variable CLFFT_VERSION must be set before calling configure_file().
+
+
+set(PACKAGE_VERSION "@CLFFT_VERSION@")
+
+if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}" )
+  set(PACKAGE_VERSION_COMPATIBLE FALSE)
+else()
+
+  if("@CLFFT_VERSION@" MATCHES "^([0-9]+)\\.")
+    set(CLFFT_VERSION_MAJOR "${CMAKE_MATCH_1}")
+  else()
+    set(CLFFT_VERSION_MAJOR "@CLFFT_VERSION@")
+  endif()
+
+  if("${PACKAGE_FIND_VERSION_MAJOR}" STREQUAL "${CLFFT_VERSION_MAJOR}")
+    set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  else()
+    set(PACKAGE_VERSION_COMPATIBLE FALSE)
+  endif()
+
+  if( "${PACKAGE_FIND_VERSION}" STREQUAL "${PACKAGE_VERSION}")
+      set(PACKAGE_VERSION_EXACT TRUE)
+  endif()
+endif()
+
+
+# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
+if("${CMAKE_SIZEOF_VOID_P}"  STREQUAL ""  OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
+   return()
+endif()
+
+# check that the installed version has the same 32/64bit-ness as the one which is currently searching:
+if(NOT "${CMAKE_SIZEOF_VOID_P}" STREQUAL "@CMAKE_SIZEOF_VOID_P@")
+  math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
+  set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
+  set(PACKAGE_VERSION_UNSUITABLE TRUE)
+endif()
diff --git a/src/library/CMakeLists.txt b/src/library/CMakeLists.txt
index 63ac0f9..0d400d8 100644
--- a/src/library/CMakeLists.txt
+++ b/src/library/CMakeLists.txt
@@ -95,6 +95,7 @@ endif( )
 
 # CPack configuration; include the executable into the package
 install( TARGETS clFFT
+        EXPORT Library
         RUNTIME DESTINATION bin${SUFFIX_BIN}
         LIBRARY DESTINATION lib${SUFFIX_LIB}
         ARCHIVE DESTINATION lib${SUFFIX_LIB}/import
diff --git a/src/statTimer/CMakeLists.txt b/src/statTimer/CMakeLists.txt
index a635bf1..3dc026f 100644
--- a/src/statTimer/CMakeLists.txt
+++ b/src/statTimer/CMakeLists.txt
@@ -80,6 +80,7 @@ endif( )
 
 # CPack configuration; include the executable into the package
 install( TARGETS StatTimer
+        EXPORT Library
         RUNTIME DESTINATION bin${SUFFIX_BIN}
         LIBRARY DESTINATION lib${SUFFIX_LIB}
         ARCHIVE DESTINATION lib${SUFFIX_LIB}/import

-- 
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