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diff -ruN cmake-2.8.7.orig/Modules/FindLAPACK.cmake cmake-2.8.7/Modules/FindLAPACK.cmake
--- cmake-2.8.7.orig/Modules/FindLAPACK.cmake 2011-12-30 17:49:56.000000000 +0100
+++ cmake-2.8.7/Modules/FindLAPACK.cmake 2012-03-09 02:15:46.000000000 +0100
@@ -1,3 +1,9 @@
+#
+# Version modified for Gentoo Linux
+# If a valid PkgConfig configuration is found, this overrides and cancels
+# all further checks.
+#
+
# - Find LAPACK library
# This module finds an installed fortran library that implements the LAPACK
# linear-algebra interface (see http://www.netlib.org/lapack/).
@@ -36,6 +42,24 @@
# (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_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_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES)
@@ -305,3 +329,5 @@
endif(BLA_F95)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
+
+endif(PC_LAPACK_FOUND)
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