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--- a/Modules/FindLAPACK.cmake
+++ b/Modules/FindLAPACK.cmake
@@ -4,6 +4,10 @@
#
# Find LAPACK 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
# LAPACK linear-algebra interface (see http://www.netlib.org/lapack/).
#
@@ -140,6 +144,23 @@
endmacro()
+#
+# first, try PkgConfig
+#
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(PC_LAPACK lapack)
+if(PC_LAPACK_FOUND)
+ foreach(PC_LIB ${PC_LAPACK_LIBRARIES})
+ find_library(${PC_LIB}_LIBRARY NAMES ${PC_LIB} HINTS ${PC_LAPACK_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_LAPACK_LIBRARY_DIRS}")
+ endif (NOT ${PC_LIB}_LIBRARY)
+ list(APPEND LAPACK_LIBRARIES ${${PC_LIB}_LIBRARY})
+ endforeach(PC_LIB)
+ find_package_handle_standard_args(LAPACK DEFAULT_MSG LAPACK_LIBRARIES)
+ mark_as_advanced(LAPACK_LIBRARIES)
+else(PC_LAPACK_FOUND)
+message(STATUS "No PkgConfig configuration for LAPACK found; starting more extensive search.")
set(LAPACK_LINKER_FLAGS)
set(LAPACK_LIBRARIES)
@@ -348,3 +369,5 @@
endif()
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
+
+endif(PC_LAPACK_FOUND)
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