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Diffstat (limited to 'dev-util/cmake/files/cmake-3.0.0-FindBLAS.patch')
-rw-r--r--dev-util/cmake/files/cmake-3.0.0-FindBLAS.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/dev-util/cmake/files/cmake-3.0.0-FindBLAS.patch b/dev-util/cmake/files/cmake-3.0.0-FindBLAS.patch
new file mode 100644
index 000000000000..86c5dc7fd54a
--- /dev/null
+++ b/dev-util/cmake/files/cmake-3.0.0-FindBLAS.patch
@@ -0,0 +1,43 @@
+--- Modules/FindBLAS.cmake
++++ Modules/FindBLAS.cmake
+@@ -4,6 +4,10 @@
+ #
+ # Find BLAS library
+ #
++# Version modified for Gentoo Linux.
++# If a valid PkgConfig configuration is found, this overrides and cancels
++# all further checks.
++#
+ # This module finds an installed fortran library that implements the
+ # BLAS linear-algebra interface (see http://www.netlib.org/blas/). The
+ # list of libraries searched for is taken from the autoconf macro file,
+@@ -50,6 +54,23 @@
+ # (To distribute this file outside of CMake, substitute the full
+ # License text for the above reference.)
+
++# first, try PkgConfig
++#
++find_package(PkgConfig REQUIRED)
++pkg_check_modules(PC_BLAS blas)
++if(PC_BLAS_FOUND)
++ foreach(PC_LIB ${PC_BLAS_LIBRARIES})
++ find_library(${PC_LIB}_LIBRARY NAMES ${PC_LIB} HINTS ${PC_BLAS_LIBRARY_DIRS} )
++ if (NOT ${PC_LIB}_LIBRARY)
++ message(FATAL_ERROR "Something is wrong in your pkg-config file - lib ${PC_LIB} not found in ${PC_BLAS_LIBRARY_DIRS}")
++ endif (NOT ${PC_LIB}_LIBRARY)
++ list(APPEND BLAS_LIBRARIES ${${PC_LIB}_LIBRARY})
++ endforeach(PC_LIB)
++ find_package_handle_standard_args(BLAS DEFAULT_MSG BLAS_LIBRARIES)
++ mark_as_advanced(BLAS_LIBRARIES)
++else(PC_BLAS_FOUND)
++message(STATUS "No PkgConfig configuration for BLAS found; starting more extensive search.")
++
+ include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake)
+ include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
+
+@@ -688,3 +709,5 @@
+ endif()
+
+ set(CMAKE_FIND_LIBRARY_SUFFIXES ${_blas_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
++
++endif(PC_BLAS_FOUND)