From 097da411d273cde2917d2c83cfe7cb2a11f4e974 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Sat, 19 Oct 2013 08:39:24 +0000
Subject: [PATCH] check for openblas
---
CMakeLists.txt | 23 +++++++++++++++++++++--
1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f1fb8ff02..8b2ca4e3dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -237,6 +237,7 @@ endif(SIZEOF_VOID_P EQUAL 8)
if(ENABLE_BLAS_LAPACK)
if(BLAS_LAPACK_LIBRARIES)
+ # use libs as specified in the BLAS_LAPACK_LIBRARIES variable
set_config_option(HAVE_BLAS "Blas(Custom)")
set_config_option(HAVE_LAPACK "Lapack(Custom)")
set(LAPACK_LIBRARIES ${BLAS_LAPACK_LIBRARIES})
@@ -316,6 +317,7 @@ if(ENABLE_BLAS_LAPACK)
set_config_option(HAVE_BLAS "Blas(VecLib)")
set_config_option(HAVE_LAPACK "Lapack(VecLib)")
endif(MSVC)
+
if(ENABLE_BUILD_ANDROID)
find_library(BLAS_LIB f2cblas PATH_SUFFIXES lib)
find_library(LAPACK_LIB f2clapack PATH_SUFFIXES lib)
@@ -328,9 +330,24 @@ if(ENABLE_BLAS_LAPACK)
set_config_option(HAVE_LAPACK "Lapack")
endif(LAPACK_LIB)
endif(ENABLE_BUILD_ANDROID)
+
+ if(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
+ # if we haven't found blas and lapack check for OpenBlas
+ set(OPENBLAS_LIBS_REQUIRED openblas)
+ find_all_libraries(LAPACK_LIBRARIES OPENBLAS_LIBS_REQUIRED "" "")
+ if(LAPACK_LIBRARIES)
+ set_config_option(HAVE_BLAS "Blas(OpenBlas)")
+ set_config_option(HAVE_LAPACK "Lapack(OpenBlas)")
+ find_library(GFORTRAN_LIB gfortran)
+ if(GFORTRAN_LIB)
+ list(APPEND LAPACK_LIBRARIES ${GFORTRAN_LIB})
+ endif(GFORTRAN_LIB)
+ endif(LAPACK_LIBRARIES)
+ endif(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
+
if(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
- # if we haven't found blas and lapack without using the standard cmake
- # tests, do it (this requires a working Fortran compiler)
+ # if we still haven't found blas and lapack, use the standard cmake tests,
+ # which require a working Fortran compiler
enable_language(Fortran)
find_package(BLAS)
if(BLAS_FOUND)
@@ -352,10 +369,12 @@ if(ENABLE_BLAS_LAPACK)
endif(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
endif(BLAS_FOUND)
endif(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
+
if(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
message(STATUS "Warning: Could not find Blas or Lapack: most meshing algorithms "
"will not be functional")
endif(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
+
endif(BLAS_LAPACK_LIBRARIES)
endif(ENABLE_BLAS_LAPACK)
--
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