vcpkg/ports/armadillo/add-disable-find-package.patch

diff --git a/cmake_aux/Modules/ARMA_FindARPACK.cmake b/cmake_aux/Modules/ARMA_FindARPACK.cmake
index 1a709ad..3029c25 100644
--- a/cmake_aux/Modules/ARMA_FindARPACK.cmake
+++ b/cmake_aux/Modules/ARMA_FindARPACK.cmake
@@ -4,6 +4,10 @@
 #  ARPACK_FOUND        - system has ARPACK
 #  ARPACK_LIBRARY      - Link this to use ARPACK
 
+if(CMAKE_DISABLE_FIND_PACKAGE_ARPACK)
+  set(ARPACK_FOUND NO)
+  return()
+endif()
 
 find_library(ARPACK_LIBRARY
   NAMES arpack
diff --git a/cmake_aux/Modules/ARMA_FindATLAS.cmake b/cmake_aux/Modules/ARMA_FindATLAS.cmake
index 6ad1eee..6dd372e 100644
--- a/cmake_aux/Modules/ARMA_FindATLAS.cmake
+++ b/cmake_aux/Modules/ARMA_FindATLAS.cmake
@@ -1,3 +1,8 @@
+if(CMAKE_DISABLE_FIND_PACKAGE_ATLAS)
+  set(ATLAS_FOUND NO)
+  return()
+endif()
+
 set(ATLAS_NAMES)
 set(ATLAS_NAMES ${ATLAS_NAMES} tatlas)
 set(ATLAS_NAMES ${ATLAS_NAMES} satlas)
diff --git a/cmake_aux/Modules/ARMA_FindMKL.cmake b/cmake_aux/Modules/ARMA_FindMKL.cmake
index 38f6675..4702ab4 100644
--- a/cmake_aux/Modules/ARMA_FindMKL.cmake
+++ b/cmake_aux/Modules/ARMA_FindMKL.cmake
@@ -6,6 +6,11 @@
 ## the link below explains why we're linking only with mkl_rt
 ## https://software.intel.com/en-us/articles/a-new-linking-model-single-dynamic-library-mkl_rt-since-intel-mkl-103
 
+if(CMAKE_DISABLE_FIND_PACKAGE_MKL)
+  set(MKL_FOUND NO)
+  return()
+endif()
+
 set(MKL_NAMES ${MKL_NAMES} mkl_rt)
 #set(MKL_NAMES ${MKL_NAMES} mkl_lapack)
 #set(MKL_NAMES ${MKL_NAMES} mkl_intel_thread)
diff --git a/cmake_aux/Modules/ARMA_FindSuperLU5.cmake b/cmake_aux/Modules/ARMA_FindSuperLU5.cmake
index 88dcb9c..16a26b8 100644
--- a/cmake_aux/Modules/ARMA_FindSuperLU5.cmake
+++ b/cmake_aux/Modules/ARMA_FindSuperLU5.cmake
@@ -5,6 +5,11 @@
 #  SuperLU_LIBRARY      - Link this to use SuperLU
 #  SuperLU_INCLUDE_DIR  - directory of SuperLU headers
 
+if(CMAKE_DISABLE_FIND_PACKAGE_SuperLU)
+  set(SuperLU_FOUND OFF)
+  return()
+endif()
+
 find_path(SuperLU_INCLUDE_DIR slu_ddefs.h
   PATHS ${CMAKE_SYSTEM_INCLUDE_PATH} /usr/include /usr/local/include /opt/local/include
   PATH_SUFFIXES superlu SuperLU ""