allow installation and uninstall in ${HOME}/.local, updated README

* no need to compile test program for install
* added custom target test
* provide a FindMIPP.cmake for copy/paste from other projects

Signed-off-by: hayati ayguen <[email protected]>

CMakeLists.txt

@@ -32,8 +32,15 @@ set( MIPP_MATH_HEADERS
 install( FILES ${MIPP_HEADERS}       DESTINATION include/mipp)
 install( FILES ${MIPP_MATH_HEADERS}  DESTINATION include/mipp/math)
 
+
+# Create uninstall target
+configure_file(
+    ${PROJECT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in
+    ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
+@ONLY)
+
 add_custom_target(uninstall
-    "${CMAKE_COMMAND}" -P "${CMAKE_SOURCE_DIR}/cmake/uninstall.cmake"
+    ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
 )
 
 ######################################################

FindMIPP.cmake

@@ -0,0 +1,26 @@
+
+if(MIPP_INCLUDE_DIRS)
+  set(MIPP_FIND_QUIETLY TRUE)
+endif()
+
+find_path(MIPP_INCLUDE_DIRS NAMES mipp.h
+    HINTS
+        ${MIPP_ROOT}
+        $ENV{HOME}/.local
+    PATH_SUFFIXES include/mipp
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(MIPP DEFAULT_MSG MIPP_INCLUDE_DIRS)
+
+if(MIPP_FOUND AND NOT TARGET MIPP)
+    message(STATUS "MIPP_FOUND -> creating interface library MIPP at ${MIPP_INCLUDE_DIRS}")
+    add_library(MIPP INTERFACE)
+    target_compile_definitions(MIPP INTERFACE HAVE_MIPP=1)
+    target_include_directories(MIPP INTERFACE ${MIPP_INCLUDE_DIRS})
+    target_compile_features(MIPP INTERFACE cxx_std_11)
+else()
+    message(WARNING "MIPP not found.")
+endif()
+
+mark_as_advanced(MIPP_INCLUDE_DIRS)

README.md

@@ -102,6 +102,30 @@ MIPP also use some nice features provided by the C++11 and so we have to add the
 `-std=c++11` flag to compile the code. Your are now ready to run your code with 
 the mipp.h wrapper.
 
+
+You can install the header files (locally) to allow finding them
+with cmake's `find_package()`:
+
+```
+git clone https://github.com/hayguen/MIPP.git
+cmake -S MIPP -B MIPP_build -DCMAKE_INSTALL_PREFIX=$HOME/.local
+cmake -S MIPP -B MIPP_build  # alternative installs into system, defaults to /usr/local
+cmake --build MIPP_build --target install  # might require sudo
+```
+
+for building and running the tests
+
+```
+cmake --build MIPP_build --target test
+```
+
+for later uninstall:
+
+```
+cmake --build MIPP_build --target uninstall
+```
+
+
 ### Sequential mode
 
 By default, MIPP try to recognize the instruction set from the preprocessor 

cmake/cmake_uninstall.cmake.in

@@ -0,0 +1,32 @@
+# http://www.vtk.org/Wiki/CMake_FAQ#Can_I_do_.22make_uninstall.22_with_CMake.3F
+
+IF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+  MESSAGE(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt\"")
+ENDIF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+
+FILE(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
+STRING(REGEX REPLACE "\n" ";" files "${files}")
+FOREACH(file ${files})
+  MESSAGE(STATUS "Uninstalling \"$ENV{DESTDIR}${file}\"")
+  IF(EXISTS "$ENV{DESTDIR}${file}")
+    EXEC_PROGRAM(
+      "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+      OUTPUT_VARIABLE rm_out
+      RETURN_VALUE rm_retval
+      )
+    IF(NOT "${rm_retval}" STREQUAL 0)
+      MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
+    ENDIF(NOT "${rm_retval}" STREQUAL 0)
+  ELSEIF(IS_SYMLINK "$ENV{DESTDIR}${file}")
+    EXEC_PROGRAM(
+      "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+      OUTPUT_VARIABLE rm_out
+      RETURN_VALUE rm_retval
+      )
+    IF(NOT "${rm_retval}" STREQUAL 0)
+      MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
+    ENDIF(NOT "${rm_retval}" STREQUAL 0)
+  ELSE(EXISTS "$ENV{DESTDIR}${file}")
+    MESSAGE(STATUS "File \"$ENV{DESTDIR}${file}\" does not exist.")
+  ENDIF(EXISTS "$ENV{DESTDIR}${file}")
+ENDFOREACH(file)

tests/CMakeLists.txt

@@ -53,3 +53,14 @@ target_set_mipp_intrinsics(run_tests)  # allow deactivation of mipp
 # target_activate_cxx_compiler_warnings(run_tests)  # too many warning
 
 set_target_properties(run_tests PROPERTIES POSITION_INDEPENDENT_CODE ON) # set -fpie
+
+# no need to compile test program for install
+set_target_properties(run_tests PROPERTIES EXCLUDE_FROM_ALL TRUE)
+
+######################################################
+
+add_custom_target(test
+  COMMAND "${CMAKE_CURRENT_BINARY_DIR}/bin/run_tests"
+  DEPENDS run_tests
+)
+