path: root/libraries/lapack/patches/cmake-piecewise.diff

diff --git a/CBLAS/CMakeLists.txt b/CBLAS/CMakeLists.txt
--- a/CBLAS/CMakeLists.txt
+++ b/CBLAS/CMakeLists.txt
@@ -1,8 +1,6 @@
 message(STATUS "CBLAS enable")
 enable_language(C)
 
-set(LAPACK_INSTALL_EXPORT_NAME cblas-targets)
-
 # Create a header file cblas.h for the routines called in my C programs
 include(FortranCInterface)
 ## Ensure that the fortran compiler and c compiler specified are compatible
@@ -41,54 +39,8 @@
   add_subdirectory(examples)
 endif()
 
-if(NOT BLAS_FOUND)
-  set(ALL_TARGETS ${ALL_TARGETS} blas)
-endif()
-
-# Export cblas targets from the
-# install tree, if any.
-set(_cblas_config_install_guard_target "")
-if(ALL_TARGETS)
-  install(EXPORT cblas-targets
-    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/cblas-${LAPACK_VERSION}
-    COMPONENT Development
-    )
-  # Choose one of the cblas targets to use as a guard for
-  # cblas-config.cmake to load targets from the install tree.
-  list(GET ALL_TARGETS 0 _cblas_config_install_guard_target)
-endif()
-
-# Export cblas targets from the build tree, if any.
-set(_cblas_config_build_guard_target "")
-if(ALL_TARGETS)
-  export(TARGETS ${ALL_TARGETS} FILE cblas-targets.cmake)
-
-  # Choose one of the cblas targets to use as a guard
-  # for cblas-config.cmake to load targets from the build tree.
-  list(GET ALL_TARGETS 0 _cblas_config_build_guard_target)
-endif()
-
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/cblas-config-version.cmake.in
-  ${LAPACK_BINARY_DIR}/cblas-config-version.cmake @ONLY)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/cblas-config-build.cmake.in
-  ${LAPACK_BINARY_DIR}/cblas-config.cmake @ONLY)
-
-
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cblas.pc.in ${CMAKE_CURRENT_BINARY_DIR}/cblas.pc @ONLY)
   install(FILES
   ${CMAKE_CURRENT_BINARY_DIR}/cblas.pc
   DESTINATION ${PKG_CONFIG_DIR}
   )
-
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/cblas-config-install.cmake.in
-  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/cblas-config.cmake @ONLY)
-install(FILES
-  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/cblas-config.cmake
-  ${LAPACK_BINARY_DIR}/cblas-config-version.cmake
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/cblas-${LAPACK_VERSION}
-  )
-
-#install(EXPORT cblas-targets
-#  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/cblas-${LAPACK_VERSION}
-#  COMPONENT Development
-#  )
diff --git a/CBLAS/cmake/cblas-config-build.cmake.in b/CBLAS/cmake/cblas-config-build.cmake.in
deleted file mode 100644
--- a/CBLAS/cmake/cblas-config-build.cmake.in
+++ /dev/null
@@ -1,14 +0,0 @@
-# Load the LAPACK package with which we were built.
-set(LAPACK_DIR "@LAPACK_BINARY_DIR@")
-find_package(LAPACK NO_MODULE)
-
-# Load lapack targets from the build tree, including lapacke targets.
-if(NOT TARGET lapacke)
-  include("@LAPACK_BINARY_DIR@/lapack-targets.cmake")
-endif()
-
-# Report cblas header search locations from build tree.
-set(CBLAS_INCLUDE_DIRS "@LAPACK_BINARY_DIR@/include")
-
-# Report cblas libraries.
-set(CBLAS_LIBRARIES cblas)
diff --git a/CBLAS/cmake/cblas-config-install.cmake.in b/CBLAS/cmake/cblas-config-install.cmake.in
deleted file mode 100644
--- a/CBLAS/cmake/cblas-config-install.cmake.in
+++ /dev/null
@@ -1,23 +0,0 @@
-# Compute locations from <prefix>/@{LIBRARY_DIR@/cmake/lapacke-<v>/<self>.cmake
-get_filename_component(_CBLAS_SELF_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
-get_filename_component(_CBLAS_PREFIX "${_CBLAS_SELF_DIR}" PATH)
-get_filename_component(_CBLAS_PREFIX "${_CBLAS_PREFIX}" PATH)
-get_filename_component(_CBLAS_PREFIX "${_CBLAS_PREFIX}" PATH)
-
-# Load the LAPACK package with which we were built.
-set(LAPACK_DIR "${_CBLAS_PREFIX}/@CMAKE_INSTALL_LIBDIR@/cmake/lapack-@LAPACK_VERSION@")
-find_package(LAPACK NO_MODULE)
-
-# Load lapacke targets from the install tree.
-if(NOT TARGET cblas)
-  include(${_CBLAS_SELF_DIR}/cblas-targets.cmake)
-endif()
-
-# Report lapacke header search locations.
-set(CBLAS_INCLUDE_DIRS ${_CBLAS_PREFIX}/include)
-
-# Report lapacke libraries.
-set(CBLAS_LIBRARIES cblas)
-
-unset(_CBLAS_PREFIX)
-unset(_CBLAS_SELF_DIR)
diff --git a/CBLAS/cmake/cblas-config-version.cmake.in b/CBLAS/cmake/cblas-config-version.cmake.in
deleted file mode 100644
--- a/CBLAS/cmake/cblas-config-version.cmake.in
+++ /dev/null
@@ -1,8 +0,0 @@
-set(PACKAGE_VERSION "@LAPACK_VERSION@")
-if(NOT ${PACKAGE_FIND_VERSION} VERSION_GREATER ${PACKAGE_VERSION})
-  set(PACKAGE_VERSION_COMPATIBLE 1)
-  if(${PACKAGE_FIND_VERSION} VERSION_EQUAL ${PACKAGE_VERSION})
-    set(PACKAGE_VERSION_EXACT 1)
-  endif()
-endif()
-
diff --git a/CBLAS/src/CMakeLists.txt b/CBLAS/src/CMakeLists.txt
--- a/CBLAS/src/CMakeLists.txt
+++ b/CBLAS/src/CMakeLists.txt
@@ -120,9 +120,5 @@
   VERSION ${LAPACK_VERSION}
   SOVERSION ${LAPACK_MAJOR_VERSION}
   )
-target_include_directories(cblas PUBLIC
-  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include>
-  $<INSTALL_INTERFACE:include>
-)
 target_link_libraries(cblas PRIVATE ${BLAS_LIBRARIES})
 lapack_install_library(cblas)
diff --git a/CMAKE/lapack-config-build.cmake.in b/CMAKE/lapack-config-build.cmake.in
deleted file mode 100644
--- a/CMAKE/lapack-config-build.cmake.in
+++ /dev/null
@@ -1,14 +0,0 @@
-# Load lapack targets from the build tree if necessary.
-set(_LAPACK_TARGET "@_lapack_config_build_guard_target@")
-if(_LAPACK_TARGET AND NOT TARGET "${_LAPACK_TARGET}")
-  include("@LAPACK_BINARY_DIR@/lapack-targets.cmake")
-endif()
-unset(_LAPACK_TARGET)
-
-# Hint for project building against lapack
-set(LAPACK_Fortran_COMPILER_ID "@CMAKE_Fortran_COMPILER_ID@")
-
-# Report the blas and lapack raw or imported libraries.
-set(LAPACK_blas_LIBRARIES "@BLAS_LIBRARIES@")
-set(LAPACK_lapack_LIBRARIES "@LAPACK_LIBRARIES@")
-set(LAPACK_LIBRARIES ${LAPACK_blas_LIBRARIES} ${LAPACK_lapack_LIBRARIES})
diff --git a/CMAKE/lapack-config-install.cmake.in b/CMAKE/lapack-config-install.cmake.in
deleted file mode 100644
--- a/CMAKE/lapack-config-install.cmake.in
+++ /dev/null
@@ -1,19 +0,0 @@
-# Compute locations from <prefix>/lib/cmake/lapack-<v>/<self>.cmake
-get_filename_component(_LAPACK_SELF_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
-
-# Load lapack targets from the install tree if necessary.
-set(_LAPACK_TARGET "@_lapack_config_install_guard_target@")
-if(_LAPACK_TARGET AND NOT TARGET "${_LAPACK_TARGET}")
-  include("${_LAPACK_SELF_DIR}/lapack-targets.cmake")
-endif()
-unset(_LAPACK_TARGET)
-
-# Hint for project building against lapack
-set(LAPACK_Fortran_COMPILER_ID "@CMAKE_Fortran_COMPILER_ID@")
-
-# Report the blas and lapack raw or imported libraries.
-set(LAPACK_blas_LIBRARIES "@BLAS_LIBRARIES@")
-set(LAPACK_lapack_LIBRARIES "@LAPACK_LIBRARIES@")
-set(LAPACK_LIBRARIES ${LAPACK_blas_LIBRARIES} ${LAPACK_lapack_LIBRARIES})
-
-unset(_LAPACK_SELF_DIR)
diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -112,11 +112,8 @@
 
 
 # --------------------------------------------------
-set(LAPACK_INSTALL_EXPORT_NAME lapack-targets)
-
 macro(lapack_install_library lib)
   install(TARGETS ${lib}
-    EXPORT ${LAPACK_INSTALL_EXPORT_NAME}
     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Development
     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT RuntimeLibraries
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT RuntimeLibraries
@@ -155,21 +152,6 @@
 include(CheckLAPACKCompilerFlags)
 CheckLAPACKCompilerFlags()
 
-# --------------------------------------------------
-# Check second function
-
-include(CheckTimeFunction)
-set(TIME_FUNC NONE ${TIME_FUNC})
-CHECK_TIME_FUNCTION(NONE TIME_FUNC)
-CHECK_TIME_FUNCTION(INT_CPU_TIME TIME_FUNC)
-CHECK_TIME_FUNCTION(EXT_ETIME TIME_FUNC)
-CHECK_TIME_FUNCTION(EXT_ETIME_ TIME_FUNC)
-CHECK_TIME_FUNCTION(INT_ETIME TIME_FUNC)
-message(STATUS "--> Will use second_${TIME_FUNC}.f and dsecnd_${TIME_FUNC}.f as timing function.")
-
-set(SECOND_SRC ${LAPACK_SOURCE_DIR}/INSTALL/second_${TIME_FUNC}.f)
-set(DSECOND_SRC ${LAPACK_SOURCE_DIR}/INSTALL/dsecnd_${TIME_FUNC}.f)
-
 # deprecated LAPACK and LAPACKE routines
 option(BUILD_DEPRECATED "Build deprecated routines" OFF)
 message(STATUS "Build deprecated routines: ${BUILD_DEPRECATED}")
@@ -193,8 +175,9 @@
 endif()
 
 # --------------------------------------------------
-# Subdirectories that need to be processed
+# BLAS
 option(USE_OPTIMIZED_BLAS "Whether or not to use an optimized BLAS library instead of included netlib BLAS" OFF)
+option(BUILD_BLAS "Build BLAS" OFF)
 
 # Check the usage of the user provided BLAS libraries
 if(BLAS_LIBRARIES)
@@ -205,113 +188,108 @@
   if(BLAS_FOUND)
     message(STATUS "--> BLAS supplied by user is WORKING, will use ${BLAS_LIBRARIES}.")
   else()
-    message(ERROR "--> BLAS supplied by user is not WORKING, CANNOT USE ${BLAS_LIBRARIES}.")
-    message(ERROR "-->     Will use REFERENCE BLAS (by default)")
-    message(ERROR "-->     Or Correct your BLAS_LIBRARIES entry ")
-    message(ERROR "-->     Or Consider checking USE_OPTIMIZED_BLAS")
+    message(SEND_ERROR "--> BLAS supplied by user is NOT WORKING, cannot use ${BLAS_LIBRARIES}.")
   endif()
 
 # User did not provide a BLAS Library but specified to search for one
 elseif(USE_OPTIMIZED_BLAS)
   find_package(BLAS)
-endif()
 
-# Neither user specified or optimized BLAS libraries can be used
-if(NOT BLAS_FOUND)
-  message(STATUS "Using supplied NETLIB BLAS implementation")
-  add_subdirectory(BLAS)
+elseif(BUILD_BLAS)
   set(BLAS_LIBRARIES blas)
-else()
-  set(CMAKE_EXE_LINKER_FLAGS
-    "${CMAKE_EXE_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
-    CACHE STRING "Linker flags for executables" FORCE)
-  set(CMAKE_MODULE_LINKER_FLAGS
-    "${CMAKE_MODULE_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
-    CACHE STRING "Linker flags for modules" FORCE)
-  set(CMAKE_SHARED_LINKER_FLAGS
-    "${CMAKE_SHARED_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
-    CACHE STRING "Linker flags for shared libs" FORCE)
-endif()
+  set(BLAS_FOUND TRUE)
 
+  add_subdirectory(BLAS)
+endif()
 
 # --------------------------------------------------
 # CBLAS
-option(CBLAS "Build CBLAS" OFF)
+option(BUILD_CBLAS "Build CBLAS" OFF)
 
-if(CBLAS)
+if(BUILD_CBLAS)
+  set(NEED_BLAS TRUE)
   add_subdirectory(CBLAS)
 endif()
 
 # --------------------------------------------------
 # XBLAS
-
 option(USE_XBLAS "Build extended precision (needs XBLAS)" OFF)
+
 if(USE_XBLAS)
   find_library(XBLAS_LIBRARY NAMES xblas)
 endif()
 
-option(USE_OPTIMIZED_LAPACK "Whether or not to use an optimized LAPACK library instead of included netlib LAPACK" OFF)
-
 # --------------------------------------------------
 # LAPACK
-# User did not provide a LAPACK Library but specified to search for one
-if(USE_OPTIMIZED_LAPACK)
-  find_package(LAPACK)
-endif()
+option(USE_OPTIMIZED_LAPACK "Whether or not to use an optimized LAPACK library instead of included netlib LAPACK" OFF)
+option(BUILD_LAPACK "Build LAPACK" OFF)
 
 # Check the usage of the user provided or automatically found LAPACK libraries
 if(LAPACK_LIBRARIES)
   include(CheckFortranFunctionExists)
   set(CMAKE_REQUIRED_LIBRARIES ${LAPACK_LIBRARIES})
   # Check if new routine of 3.4.0 is in LAPACK_LIBRARIES
-  CHECK_FORTRAN_FUNCTION_EXISTS("dgeqrt" LATESTLAPACK_FOUND)
+  CHECK_FORTRAN_FUNCTION_EXISTS("dgeqrt" LAPACK_FOUND)
   unset(CMAKE_REQUIRED_LIBRARIES)
-  if(LATESTLAPACK_FOUND)
+  if(LAPACK_FOUND)
     message(STATUS "--> LAPACK supplied by user is WORKING, will use ${LAPACK_LIBRARIES}.")
   else()
-    message(ERROR "--> LAPACK supplied by user is not WORKING or is older than LAPACK 3.4.0, CANNOT USE ${LAPACK_LIBRARIES}.")
-    message(ERROR "-->     Will use REFERENCE LAPACK (by default)")
-    message(ERROR "-->     Or Correct your LAPACK_LIBRARIES entry ")
-    message(ERROR "-->     Or Consider checking USE_OPTIMIZED_LAPACK")
+    message(SEND_ERROR "--> LAPACK supplied by user is NOT WORKING or is older than LAPACK 3.4.0, cannot use ${LAPACK_LIBRARIES}.")
   endif()
-endif()
 
-# Neither user specified or optimized LAPACK libraries can be used
-if(NOT LATESTLAPACK_FOUND)
-  message(STATUS "Using supplied NETLIB LAPACK implementation")
+# User did not provide a LAPACK Library but specified to search for one
+elseif(USE_OPTIMIZED_LAPACK)
+  find_package(LAPACK)
+
+elseif(BUILD_LAPACK)
   set(LAPACK_LIBRARIES lapack)
+  set(LAPACK_FOUND TRUE)
+
+  set(NEED_BLAS TRUE)
+
+  # Check second function
+  include(CheckTimeFunction)
+  set(TIME_FUNC NONE ${TIME_FUNC})
+  CHECK_TIME_FUNCTION(NONE TIME_FUNC)
+  CHECK_TIME_FUNCTION(INT_CPU_TIME TIME_FUNC)
+  CHECK_TIME_FUNCTION(EXT_ETIME TIME_FUNC)
+  CHECK_TIME_FUNCTION(EXT_ETIME_ TIME_FUNC)
+  CHECK_TIME_FUNCTION(INT_ETIME TIME_FUNC)
+  message(STATUS "--> Will use second_${TIME_FUNC}.f and dsecnd_${TIME_FUNC}.f as timing function.")
+
+  set(SECOND_SRC ${LAPACK_SOURCE_DIR}/INSTALL/second_${TIME_FUNC}.f)
+  set(DSECOND_SRC ${LAPACK_SOURCE_DIR}/INSTALL/dsecnd_${TIME_FUNC}.f)
+
   add_subdirectory(SRC)
-else()
-  set(CMAKE_EXE_LINKER_FLAGS
-    "${CMAKE_EXE_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
-    CACHE STRING "Linker flags for executables" FORCE)
-  set(CMAKE_MODULE_LINKER_FLAGS
-    "${CMAKE_MODULE_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
-    CACHE STRING "Linker flags for modules" FORCE)
-  set(CMAKE_SHARED_LINKER_FLAGS
-    "${CMAKE_SHARED_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
-    CACHE STRING "Linker flags for shared libs" FORCE)
-endif()
 
-if(BUILD_TESTING)
-  add_subdirectory(TESTING)
+  if(BUILD_TESTING)
+    add_subdirectory(TESTING)
+  endif()
+
+  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lapack.pc.in ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc @ONLY)
+    install(FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc
+    DESTINATION ${PKG_CONFIG_DIR}
+    COMPONENT Development
+    )
 endif()
 
 # --------------------------------------------------
 # LAPACKE
-option(LAPACKE "Build LAPACKE" OFF)
+option(BUILD_LAPACKE "Build LAPACKE" OFF)
 
 # LAPACKE has also the interface to some routines from tmglib,
 # if LAPACKE_WITH_TMG is selected, we need to add those routines to LAPACKE
 option(LAPACKE_WITH_TMG "Build LAPACKE with tmglib routines" OFF)
 if(LAPACKE_WITH_TMG)
-  set(LAPACKE ON)
+  set(BUILD_LAPACKE ON)
 endif()
 if(BUILD_TESTING OR LAPACKE_WITH_TMG) #already included, avoid double inclusion
   add_subdirectory(TESTING/MATGEN)
 endif()
 
-if(LAPACKE)
+if(BUILD_LAPACKE)
+  set(NEED_LAPACK TRUE)
   add_subdirectory(LAPACKE)
 endif()
 
@@ -338,109 +316,12 @@
   _display_cpp_implementation_msg("LAPACK")
 endif()
 
-# --------------------------------------------------
-# CPACK Packaging
-
-set(CPACK_PACKAGE_NAME "LAPACK")
-set(CPACK_PACKAGE_VENDOR "University of Tennessee, Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd")
-set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LAPACK- Linear Algebra Package")
-set(CPACK_PACKAGE_VERSION_MAJOR ${LAPACK_MAJOR_VERSION})
-set(CPACK_PACKAGE_VERSION_MINOR ${LAPACK_MINOR_VERSION})
-set(CPACK_PACKAGE_VERSION_PATCH ${LAPACK_PATCH_VERSION})
-set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
-set(CPACK_MONOLITHIC_INSTALL ON)
-set(CPACK_PACKAGE_INSTALL_DIRECTORY "LAPACK")
-if(WIN32 AND NOT UNIX)
-  # There is a bug in NSI that does not handle full unix paths properly. Make
-  # sure there is at least one set of four (4) backlasshes.
-  set(CPACK_NSIS_HELP_LINK "http:\\\\\\\\http://icl.cs.utk.edu/lapack-forum")
-  set(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\www.netlib.org/lapack")
-  set(CPACK_NSIS_CONTACT "lapack@eecs.utk.edu")
-  set(CPACK_NSIS_MODIFY_PATH ON)
-  set(CPACK_NSIS_DISPLAY_NAME "LAPACK-${LAPACK_VERSION}")
-  set(CPACK_PACKAGE_RELOCATABLE "true")
-else()
-  set(CPACK_GENERATOR "TGZ")
-  set(CPACK_SOURCE_GENERATOR TGZ)
-  set(CPACK_SOURCE_PACKAGE_FILE_NAME "lapack-${LAPACK_VERSION}")
-  set(CPACK_SOURCE_IGNORE_FILES ~$ .svn ${CPACK_SOURCE_IGNORE_FILES})
-endif()
-include(CPack)
-
-
-# --------------------------------------------------
-
-if(NOT BLAS_FOUND)
-  set(ALL_TARGETS ${ALL_TARGETS} blas)
-endif()
-
-if(NOT LATESTLAPACK_FOUND)
-  set(ALL_TARGETS ${ALL_TARGETS} lapack)
-endif()
-
-if(BUILD_TESTING OR LAPACKE_WITH_TMG)
-  set(ALL_TARGETS ${ALL_TARGETS} tmglib)
-endif()
-
-# Export lapack targets, not including lapacke, from the
-# install tree, if any.
-set(_lapack_config_install_guard_target "")
-if(ALL_TARGETS)
-  install(EXPORT lapack-targets
-    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/lapack-${LAPACK_VERSION}
-    COMPONENT Development
-    )
-
-  # Choose one of the lapack targets to use as a guard for
-  # lapack-config.cmake to load targets from the install tree.
-  list(GET ALL_TARGETS 0 _lapack_config_install_guard_target)
-endif()
-
-# Include cblas in targets exported from the build tree.
-if(CBLAS)
-  set(ALL_TARGETS ${ALL_TARGETS} cblas)
-endif()
-
-# Include lapacke in targets exported from the build tree.
-if(LAPACKE)
-  set(ALL_TARGETS ${ALL_TARGETS} lapacke)
+# Neither user specified or optimized BLAS libraries can be used
+if(NEED_BLAS AND NOT BLAS_FOUND)
+  message(FATAL_ERROR "--> No BLAS library found.  Specify BLAS_LIBRARIES or enable USE_OPTIMIZED_BLAS or BUILD_BLAS.")
 endif()
 
-# Export lapack and lapacke targets from the build tree, if any.
-set(_lapack_config_build_guard_target "")
-if(ALL_TARGETS)
-  export(TARGETS ${ALL_TARGETS} FILE lapack-targets.cmake)
-
-  # Choose one of the lapack or lapacke targets to use as a guard
-  # for lapack-config.cmake to load targets from the build tree.
-  list(GET ALL_TARGETS 0 _lapack_config_build_guard_target)
+# Neither user specified or optimized LAPACK libraries can be used
+if(NEED_LAPACK AND NOT LAPACK_FOUND)
+  message(FATAL_ERROR "--> No LAPACK library found.  Specify LAPACK_LIBRARIES or enable USE_OPTIMIZED_LAPACK or BUILD_LAPACK.")
 endif()
-
-configure_file(${LAPACK_SOURCE_DIR}/CMAKE/lapack-config-build.cmake.in
-  ${LAPACK_BINARY_DIR}/lapack-config.cmake @ONLY)
-
-
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lapack.pc.in ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc @ONLY)
-  install(FILES
-  ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc
-  DESTINATION ${PKG_CONFIG_DIR}
-  COMPONENT Development
-  )
-
-configure_file(${LAPACK_SOURCE_DIR}/CMAKE/lapack-config-install.cmake.in
-  ${LAPACK_BINARY_DIR}/CMakeFiles/lapack-config.cmake @ONLY)
-
-include(CMakePackageConfigHelpers)
-write_basic_package_version_file(
-  ${LAPACK_BINARY_DIR}/lapack-config-version.cmake
-  VERSION ${LAPACK_VERSION}
-  COMPATIBILITY SameMajorVersion
-  )
-
-install(FILES
-  ${LAPACK_BINARY_DIR}/CMakeFiles/lapack-config.cmake
-  ${LAPACK_BINARY_DIR}/lapack-config-version.cmake
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/lapack-${LAPACK_VERSION}
-  COMPONENT Development
-  )
-  
\ No newline at end of file
diff --git a/LAPACKE/CMakeLists.txt b/LAPACKE/CMakeLists.txt
--- a/LAPACKE/CMakeLists.txt
+++ b/LAPACKE/CMakeLists.txt
@@ -1,8 +1,6 @@
 message(STATUS "LAPACKE enable")
 enable_language(C)
 
-set(LAPACK_INSTALL_EXPORT_NAME lapacke-targets)
-
 # Create a header file lapacke_mangling.h for the routines called in my C programs
 include(FortranCInterface)
 ## Ensure that the fortran compiler and c compiler specified are compatible
@@ -79,14 +77,6 @@
   VERSION ${LAPACK_VERSION}
   SOVERSION ${LAPACK_MAJOR_VERSION}
   )
-target_include_directories(lapacke PUBLIC
-  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-  $<INSTALL_INTERFACE:include>
-)
-if(WIN32 AND NOT UNIX)
-  target_compile_definitions(lapacke PUBLIC HAVE_LAPACK_CONFIG_H LAPACK_COMPLEX_STRUCTURE)
-  message(STATUS "Windows BUILD")
-endif()
 
 if(LAPACKE_WITH_TMG)
   target_link_libraries(lapacke PRIVATE tmglib)
@@ -111,22 +101,3 @@
   DESTINATION ${PKG_CONFIG_DIR}
   COMPONENT Development
   )
-
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/lapacke-config-version.cmake.in
-  ${LAPACK_BINARY_DIR}/lapacke-config-version.cmake @ONLY)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/lapacke-config-build.cmake.in
-  ${LAPACK_BINARY_DIR}/lapacke-config.cmake @ONLY)
-
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/lapacke-config-install.cmake.in
-  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/lapacke-config.cmake @ONLY)
-install(FILES
-  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/lapacke-config.cmake
-  ${LAPACK_BINARY_DIR}/lapacke-config-version.cmake
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/lapacke-${LAPACK_VERSION}
-  COMPONENT Development
-  )
-
-install(EXPORT lapacke-targets
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/lapacke-${LAPACK_VERSION}
-  COMPONENT Development
-  )
diff --git a/LAPACKE/cmake/lapacke-config-build.cmake.in b/LAPACKE/cmake/lapacke-config-build.cmake.in
deleted file mode 100644
--- a/LAPACKE/cmake/lapacke-config-build.cmake.in
+++ /dev/null
@@ -1,17 +0,0 @@
-# Load the LAPACK package with which we were built.
-set(LAPACK_DIR "@LAPACK_BINARY_DIR@")
-find_package(LAPACK NO_MODULE)
-
-# Load lapack targets from the build tree, including lapacke targets.
-if(NOT TARGET lapacke)
-  include("@LAPACK_BINARY_DIR@/lapack-targets.cmake")
-endif()
-
-# Hint for project building against lapack
-set(LAPACKE_Fortran_COMPILER_ID ${LAPACK_Fortran_COMPILER_ID})
-
-# Report lapacke header search locations from build tree.
-set(LAPACKE_INCLUDE_DIRS "@LAPACK_BINARY_DIR@/include")
-
-# Report lapacke libraries.
-set(LAPACKE_LIBRARIES lapacke ${LAPACK_LIBRARIES})
diff --git a/LAPACKE/cmake/lapacke-config-install.cmake.in b/LAPACKE/cmake/lapacke-config-install.cmake.in
deleted file mode 100644
--- a/LAPACKE/cmake/lapacke-config-install.cmake.in
+++ /dev/null
@@ -1,26 +0,0 @@
-# Compute locations from <prefix>/@{LIBRARY_DIR@/cmake/lapacke-<v>/<self>.cmake
-get_filename_component(_LAPACKE_SELF_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
-get_filename_component(_LAPACKE_PREFIX "${_LAPACKE_SELF_DIR}" PATH)
-get_filename_component(_LAPACKE_PREFIX "${_LAPACKE_PREFIX}" PATH)
-get_filename_component(_LAPACKE_PREFIX "${_LAPACKE_PREFIX}" PATH)
-
-# Load the LAPACK package with which we were built.
-set(LAPACK_DIR "${_LAPACKE_PREFIX}/@CMAKE_INSTALL_LIBDIR@/cmake/lapack-@LAPACK_VERSION@")
-find_package(LAPACK NO_MODULE)
-
-# Load lapacke targets from the install tree.
-if(NOT TARGET lapacke)
-  include(${_LAPACKE_SELF_DIR}/lapacke-targets.cmake)
-endif()
-
-# Hint for project building against lapack
-set(LAPACKE_Fortran_COMPILER_ID ${LAPACK_Fortran_COMPILER_ID})
-
-# Report lapacke header search locations.
-set(LAPACKE_INCLUDE_DIRS ${_LAPACKE_PREFIX}/include)
-
-# Report lapacke libraries.
-set(LAPACKE_LIBRARIES lapacke ${LAPACK_LIBRARIES})
-
-unset(_LAPACKE_PREFIX)
-unset(_LAPACKE_SELF_DIR)
diff --git a/LAPACKE/cmake/lapacke-config-version.cmake.in b/LAPACKE/cmake/lapacke-config-version.cmake.in
deleted file mode 100644
--- a/LAPACKE/cmake/lapacke-config-version.cmake.in
+++ /dev/null
@@ -1,8 +0,0 @@
-set(PACKAGE_VERSION "@LAPACK_VERSION@")
-if(NOT ${PACKAGE_FIND_VERSION} VERSION_GREATER ${PACKAGE_VERSION})
-  set(PACKAGE_VERSION_COMPATIBLE 1)
-  if(${PACKAGE_FIND_VERSION} VERSION_EQUAL ${PACKAGE_VERSION})
-    set(PACKAGE_VERSION_EXACT 1)
-  endif()
-endif()
-