Resolve build system warnings

Ensure meson version >=1.1 . Link with native liblapack on Ubuntu 20.04
because of stack overflow issue of `_zgel` with libopenblas64 and liblapack64 ,
as well as write beyond scope issue of SVD decomposition.
Don't call BLAS for matrix-matrix multiplications.

3rdparty/packagefiles/armadillo-code/meson.build

@@ -1,15 +1,26 @@
 project('armadillo', 'cpp',
-    version: '14.1.x',
+    version: '10.1.x',
 )
 
 # Header-only library
 armadillo_inc = include_directories('include')
 
+if get_option('lapack') == 'openblas'
+  lapack_dep = dependency('openblas64')
+elif get_option('lapack') == 'lapack64'
+  lapack_dep = dependency('lapack64')
+else # lapack or altas
+  lapack_dep = dependency('lapack')
+endif
+
+
 armadillo_dep = declare_dependency(
     include_directories: armadillo_inc,
+    compile_args: [
+      '-DARMA_DONT_USE_BLAS',
+      '-DARMA_DONT_USE_ARPACK',
+    ],
     dependencies: [
-        dependency('openblas', required: false),
-        dependency('lapack', required: false),
-        dependency('arpack2', required: false),
-    ]
-)
+      lapack_dep,
+    ],
+)

3rdparty/packagefiles/armadillo-code/meson.options

@@ -0,0 +1,10 @@
+option('lapack',
+    description: 'Choose an implementation of the LAPACK solver',
+    type: 'combo',
+    choices: [
+        'openblas',
+        'lapack64',
+        'lapack',
+    ],
+    value: 'openblas',
+)

examples/meson.build

@@ -1,4 +1,4 @@
-add_languages('c')
+add_languages('c', native: false)
 
 hdf5_dep = dependency('hdf5', language: 'c', required: false)
 

meson.build

@@ -1,4 +1,5 @@
 project('MicroscPSF', 'cpp',
+    meson_version: '>=1.1',
     license: 'MIT',
     license_files: [
         'LICENSE.txt',