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--- 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)
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