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Merge pull request #69 from TREX-CoE/add-find-qmckl-cmake

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Add FindQMCKL module for CMake
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Anthony Scemama 2022-03-07 23:21:21 +01:00 committed by GitHub
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18
README.md
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@ -73,6 +73,24 @@ sudo make install
sudo make installcheck sudo make installcheck
``` ```
## Linking to your program
The `make install` command takes care of installing the QMCkl shared library on the user machine.
Once installed, add `-lqmckl` to the list of compiler options.
In some cases (e.g. when using custom `prefix` during configuration), the QMCkl library might end up installed in a directory, which is absent in the default `$LIBRARY_PATH`.
In order to link the program against QMCkl, the search paths can be modified as follows:
`export LIBRARY_PATH=$LIBRARY_PATH:<path_to_qmckl>/lib`
(same holds for `$LD_LIBRARY_PATH`). The `<path_to_qmckl>` has to be replaced with the prefix used during the installation.
If your project relies on the CMake build system, feel free to use the
[FindQMCKL.cmake](https://github.com/TREX-CoE/qmckl/blob/master/cmake/FindQMCKL.cmake)
module to find and link the QMCkl library automatically.
## Verificarlo CI ## Verificarlo CI
Since Verificarlo should not be a dependency of QMCkl, all Verificarlo Since Verificarlo should not be a dependency of QMCkl, all Verificarlo

77
cmake/FindQMCKL.cmake Normal file
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@ -0,0 +1,77 @@
#===========================================
# Try to find the QMCkl library;
# If found, it will define the following variables (note the plural form):
# QMCKL_FOUND - System has libqmckl;
# QMCKL_INCLUDE_DIRS - The QMCKL include directories;
# QMCKL_LIBRARIES - The libraries needed to use QMCKL;
# If QMCKL has been installed in a non-standard location, one can set an
# environment variable $QMCKL_DIR in the current shell:
# $ export QMCKL_DIR=<custom_path>
# to indicate the prefix used during the QMCKL installation
# (typically `./configure prefix=<custom_path> ..` or `cmake -DCMAKE_INSTALL_DIR=<custom_path> ..`)
# This file should be located WITHIN your project source tree.
# (e.g. in cmake/FindQMCKL.cmake)
# How to use it in your project CMakeLists.txt:
# This is needed to locate FindQMCKL.cmake file, modify it according to your source tree.
# list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/")
# find_package(QMCKL)
# if (QMCKL_FOUND)
# include_directories(${QMCKL_INCLUDE_DIRS})
# target_link_libraries(your_target ${QMCKL_LIBRARIES})
# endif()
#===========================================
# This file is distirbuted under the BSD 3-Clause License.
# Copyright (c) 2021, TREX Center of Excellence
#===========================================
message("<FindQMCKL.cmake>")
set(QMCKL_SEARCH_PATHS
~/Library/Frameworks
/Library/Frameworks
/usr/local
/usr
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
/opt
)
find_path(QMCKL_INCLUDE_DIR
NAMES qmckl.h
HINTS $ENV{QMCKL_DIR}
PATH_SUFFIXES include/qmckl include
PATHS ${QMCKL_SEARCH_PATHS}
)
# No need to specify platform-specific prefix (e.g. libqmckl on Unix) or
# suffix (e.g. .so on Unix or .dylib on MacOS) in NAMES. CMake takes care of that.
find_library(QMCKL_LIBRARY
NAMES qmckl
HINTS $ENV{QMCKL_DIR}
PATH_SUFFIXES lib64 lib
PATHS ${QMCKL_SEARCH_PATHS}
)
message("<FindQMCKL.cmake>")
# Handle the QUIETLY and REQUIRED arguments and set QMCKL_FOUND to TRUE if
# all listed variables are TRUE.
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(QMCKL DEFAULT_MSG QMCKL_LIBRARY QMCKL_INCLUDE_DIR )
MARK_AS_ADVANCED(QMCKL_INCLUDE_DIR QMCKL_LIBRARY)
# Mot setting _INCLUDE_DIR and _LIBRARIES is considered a bug,
# see https://gitlab.kitware.com/cmake/community/-/wikis/doc/tutorials/How-To-Find-Libraries
set(QMCKL_LIBRARIES ${QMCKL_LIBRARY})
set(QMCKL_INCLUDE_DIRS ${QMCKL_INCLUDE_DIR})