From 78cec6209c513809eb2f9a2db16d2061e4e1a3f8 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 12 Oct 2017 16:58:37 +0200
Subject: [PATCH 1/3] Add ReLAPACK option

---
 CMakeLists.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 771764e2e..4fdfb3ffa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,6 +24,7 @@ option(BUILD_WITHOUT_LAPACK "Without LAPACK and LAPACKE (Only BLAS or CBLAS)" ON
 endif()
 option(BUILD_WITHOUT_CBLAS "Without CBLAS" OFF)
 option(DYNAMIC_ARCH "Build with DYNAMIC_ARCH" OFF)
+option(BUILD_RELAPACK "Build with ReLAPACK (recursive LAPACK" OFF)
 #######
 if(BUILD_WITHOUT_LAPACK)
 set(NO_LAPACK 1)
@@ -55,6 +56,9 @@ endif ()
 set(SUBDIRS	${BLASDIRS})
 if (NOT NO_LAPACK)
   list(APPEND SUBDIRS lapack)
+  if(BUILD_RELAPACK)
+    list(APPEND SUBDIRS relapack/src)
+  endif()
 endif ()
 
 # set which float types we want to build for
@@ -141,7 +145,7 @@ endif()
 
 
 # add objects to the openblas lib
-add_library(${OpenBLAS_LIBNAME} ${LA_SOURCES} ${LAPACKE_SOURCES} ${TARGET_OBJS} ${OpenBLAS_DEF_FILE})
+add_library(${OpenBLAS_LIBNAME} ${LA_SOURCES} ${LAPACKE_SOURCES} ${RELA_SOURCES} ${TARGET_OBJS} ${OpenBLAS_DEF_FILE})
 
 # Handle MSVC exports
 if(MSVC AND BUILD_SHARED_LIBS)

From fbf83f4833cf85c1c21404a3442f62ba5db7f1fe Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 12 Oct 2017 17:00:00 +0200
Subject: [PATCH 2/3] Add cmake build list file for ReLAPACK

---
 relapack/src/CMakeLists.txt | 85 +++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 relapack/src/CMakeLists.txt

diff --git a/relapack/src/CMakeLists.txt b/relapack/src/CMakeLists.txt
new file mode 100644
index 000000000..2d861f54b
--- /dev/null
+++ b/relapack/src/CMakeLists.txt
@@ -0,0 +1,85 @@
+include_directories(${PROJECT_SOURCE_DIR})
+include_directories(${PROJECT_BINARY_DIR})
+
+set(RELAFILES
+clauum.c
+ctrsyl_rec2.c
+dsytrf.c
+spbtrf.c
+strsyl_rec2.c
+zhetrf_rook_rec2.c
+ztrsyl.c
+cgbtrf.c
+cpbtrf.c
+ctrtri.c
+dsytrf_rec2.c
+spotrf.c
+strtri.c
+zlauum.c
+ztrsyl_rec2.c
+cgemmt.c
+cpotrf.c
+dgbtrf.c
+dsytrf_rook.c
+lapack_wrappers.c
+ssygst.c
+zgbtrf.c
+zpbtrf.c
+ztrtri.c
+cgetrf.c
+csytrf.c
+dgemmt.c
+dsytrf_rook_rec2.c
+ssytrf.c
+zgemmt.c
+zpotrf.c
+chegst.c
+csytrf_rec2.c
+dgetrf.c
+dtgsyl.c
+ssytrf_rec2.c
+zgetrf.c
+zsytrf.c
+chetrf.c
+csytrf_rook.c
+dlauum.c
+dtrsyl.c
+sgbtrf.c
+ssytrf_rook.c
+zhegst.c
+zsytrf_rec2.c
+chetrf_rec2.c
+csytrf_rook_rec2.c
+dpbtrf.c
+dtrsyl_rec2.c
+sgemmt.c
+ssytrf_rook_rec2.c
+zhetrf.c
+zsytrf_rook.c
+chetrf_rook.c
+ctgsyl.c
+dpotrf.c
+dtrtri.c
+sgetrf.c
+stgsyl.c
+zhetrf_rec2.c
+zsytrf_rook_rec2.c
+chetrf_rook_rec2.c
+ctrsyl.c
+dsygst.c
+f2c.c
+slauum.c
+strsyl.c
+zhetrf_rook.c
+ztgsyl.c
+)
+
+
+
+# add relapack folder to the sources
+set(RELA_SOURCES "")
+foreach (RELA_FILE ${RELAFILES})
+  list(APPEND RELA_SOURCES "${PROJECT_SOURCE_DIR}/relapack/src/${RELA_FILE}")
+endforeach ()
+add_library(relapack_src OBJECT ${RELA_SOURCES})
+set_source_files_properties(${RELA_SOURCES} PROPERTIES COMPILE_FLAGS "${LAPACK_CFLAGS}")

From 962b20a9bb9ee12cc6ad8381e04bd00bcf1e8e19 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Thu, 12 Oct 2017 17:02:01 +0200
Subject: [PATCH 3/3] Optionally add ReLAPACK to LIB_COMPONENTS

---
 cmake/system.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmake/system.cmake b/cmake/system.cmake
index daa2683d2..236a7e888 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -387,6 +387,9 @@ if (NOT NO_LAPACK)
   if (NOT NO_LAPACKE)
     set(LIB_COMPONENTS "${LIB_COMPONENTS} LAPACKE")
   endif ()
+  if (BUILD_RELAPACK)
+    set(LIB_COMPONENTS "${LIB_COMPONENTS} ReLAPACK")
+  endif ()
 endif ()
 
 if (ONLY_CBLAS)