[mlpack-svn] r11878 - mlpack/trunk

[fastlab-svn at coffeetalk-1.cc.gatech.edu]

Author: rcurtin
Date: 2012-03-17 15:37:07 -0400 (Sat, 17 Mar 2012)
New Revision: 11878

Modified:
   mlpack/trunk/CMakeLists.txt
Log:
Link against LAPACK and BLAS on Windows because Armadillo doesn't automatically do it.

Modified: mlpack/trunk/CMakeLists.txt
===================================================================
--- mlpack/trunk/CMakeLists.txt	2012-03-17 18:50:20 UTC (rev 11877)
+++ mlpack/trunk/CMakeLists.txt	2012-03-17 19:37:07 UTC (rev 11878)
@@ -47,7 +47,6 @@
 # resides.
 #   ARMADILLO_LIBRARY - location of libarmadillo.so / armadillo.lib
 #   ARMADILLO_INCLUDE_DIR - directory containing <armadillo>
-#   LAPACK_cheev_LIBRARY - location of LAPACK
 #   LIBXML2_INCLUDE_DIR - location of LibXml2 includes
 #   LIBXML2_LIBRARIES - locations of libxml2.so or libxml2.lib
 #   BOOST_ROOT - root of Boost installation
@@ -58,6 +57,36 @@
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/CMake")
 
 find_package(Armadillo 2.4.0 REQUIRED)
+
+# On Windows, Armadillo should be using LAPACK and BLAS but we still need to
+# link against it.  We don't want to use the FindLAPACK or FindBLAS modules
+# because then we are required to have a FORTRAN compiler (argh!) so we will try
+# and find LAPACK and BLAS ourselves, using a slightly modified variant of the
+# script Armadillo uses to find these.
+if (WIN32)
+  find_library(LAPACK_LIBRARY
+      NAMES lapack liblapack lapack_win32_MT lapack_win32
+      PATHS "C:/Program Files/Armadillo"
+      PATH_SUFFIXES "examples/lib_win32/")
+
+  if (NOT LAPACK_LIBRARY)
+    message(FATAL_ERROR "Cannot find LAPACK library (.lib)!")
+  endif (NOT LAPACK_LIBRARY)
+
+  find_library(BLAS_LIBRARY
+      NAMES blas libblas blas_win32_MT blas_win32
+      PATHS "C:/Program Files/Armadillo"
+      PATH_SUFFIXES "examples/lib_win32/")
+
+  if (NOT BLAS_LIBRARY)
+    message(FATAL_ERROR "Cannot find BLAS library (.lib)!")
+  endif (NOT BLAS_LIBRARY)
+
+  # Piggyback LAPACK and BLAS linking into Armadillo link.
+  set(ARMADILLO_LIBRARIES
+      "${ARMADILLO_LIBRARIES};${BLAS_LIBRARY};${LAPACK_LIBRARY}")
+endif (WIN32)
+
 find_package(LibXml2 REQUIRED)
 
 # On Windows, LibXml2 has a couple dependencies and we want to make sure they