add LAPACK 3.7.1 (needs fortran)

- add LAPACK example building targets blas and lapack
- add LAPACK-CBLAS example using local cmake config file

cmake/configs/default.cmake

@@ -69,6 +69,7 @@ if(MSVC_VERSION LESS 1600)
 else()
   hunter_config(jsoncpp VERSION 1.8.0)
 endif()
+hunter_config(LAPACK VERSION 3.7.1)
 hunter_config(LLVM VERSION 3.6.2-p0) # Clang
 hunter_config(LLVMCompilerRT VERSION 3.6.0) # Clang
 hunter_config(Leathers VERSION 0.1.6)

cmake/projects/LAPACK/hunter.cmake

@@ -0,0 +1,41 @@
+# Copyright (c) 2017, NeroBurner
+# All rights reserved.
+
+# !!! DO NOT PLACE HEADER GUARDS HERE !!!
+
+# Load used modules
+include(hunter_add_version)
+include(hunter_cmake_args)
+include(hunter_download)
+include(hunter_pick_scheme)
+include(hunter_cacheable)
+
+hunter_cacheable(LAPACK)
+
+# List of versions here...
+hunter_add_version(
+    PACKAGE_NAME
+    LAPACK
+    VERSION
+    "3.7.1"
+    URL
+    https://github.com/hunter-packages/lapack/archive/v3.7.1-p0.tar.gz
+    SHA1
+    82616c0878fbe42f22ece5fadfb38e09456ba5b5
+)
+
+# pass cmake arguments
+hunter_cmake_args(
+    LAPACK
+    CMAKE_ARGS
+    HUNTER_INSTALL_LICENSE_FILES=LICENSE
+)
+
+# Pick a download scheme
+hunter_pick_scheme(DEFAULT url_sha1_cmake)
+
+# Download package.
+# Two versions of library will be build:
+#     * libexample_A.a
+#     * libexample_Ad.a
+hunter_download(PACKAGE_NAME LAPACK)

examples/LAPACK-CBLAS/CMakeLists.txt

@@ -0,0 +1,35 @@
+# Copyright (c) 2015, Ruslan Baratov
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.0)
+
+
+set(TESTING_CONFIG_OPT FILEPATH "${CMAKE_CURRENT_LIST_DIR}/config.cmake")
+# Emulate HunterGate:
+# * https://github.com/hunter-packages/gate
+include("../common.cmake")
+
+project(download-LAPACK)
+
+hunter_add_package(LAPACK)
+
+string(COMPARE EQUAL "${LAPACK_LICENSES}" "" is_empty)
+if(is_empty)
+  message(FATAL_ERROR "Licenses not found")
+endif()
+
+message("LAPACK licenses:")
+foreach(x ${LAPACK_LICENSES})
+  message("* ${x}")
+  if(NOT EXISTS "${LAPACK_LICENSES}")
+    message(FATAL_ERROR "File not found")
+  endif()
+endforeach()
+
+find_package(cblas CONFIG REQUIRED)
+# Test double library creation
+find_package(cblas CONFIG REQUIRED)
+
+add_executable(foo foo.cpp)
+target_link_libraries(foo cblas)
+

examples/LAPACK-CBLAS/config.cmake

@@ -0,0 +1,4 @@
+hunter_config(LAPACK
+  VERSION ${HUNTER_LAPACK_VERSION}
+  CMAKE_ARGS CBLAS=ON
+  )

examples/LAPACK-CBLAS/foo.cpp

@@ -0,0 +1,14 @@
+#include <iostream> // std::cout
+#include <cblas.h>
+
+int main() {
+	double X[3];
+	X[0] = 1;
+	X[1] = 2;
+	X[2] = 3;
+	const int N = 3;
+	const int incX = 1;
+
+	double sum =  cblas_dasum(N, X, incX);
+	std::cout << "sum over [1, 2, 3] = " << sum << std::endl;
+}

examples/LAPACK/CMakeLists.txt

@@ -0,0 +1,33 @@
+# Copyright (c) 2015, Ruslan Baratov
+# All rights reserved.
+
+cmake_minimum_required(VERSION 3.0)
+
+# Emulate HunterGate:
+# * https://github.com/hunter-packages/gate
+include("../common.cmake")
+
+project(download-LAPACK)
+
+hunter_add_package(LAPACK)
+
+string(COMPARE EQUAL "${LAPACK_LICENSES}" "" is_empty)
+if(is_empty)
+  message(FATAL_ERROR "Licenses not found")
+endif()
+
+message("LAPACK licenses:")
+foreach(x ${LAPACK_LICENSES})
+  message("* ${x}")
+  if(NOT EXISTS "${LAPACK_LICENSES}")
+    message(FATAL_ERROR "File not found")
+  endif()
+endforeach()
+
+find_package(LAPACK CONFIG REQUIRED)
+# Test double library creation
+find_package(LAPACK CONFIG REQUIRED)
+
+add_executable(foo foo.cpp)
+target_link_libraries(foo blas lapack)
+

examples/LAPACK/foo.cpp

@@ -0,0 +1,5 @@
+#include <iostream> // std::cout
+
+int main() {
+	std::cout << "This program is doing nothing!" << std::endl;
+}