[arrayfire] 381/408: Try PkgConf first to find CBLAS

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch debian/sid
in repository arrayfire.

commit 644d074867ff35821a87b3b6794efe6e7cd4006a
Author: Marius Brehler <marius.brehler at tu-dortmund.de>
Date:   Tue Sep 8 15:20:57 2015 +0200

    Try PkgConf first to find CBLAS
---
 CMakeModules/FindCBLAS.cmake | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/CMakeModules/FindCBLAS.cmake b/CMakeModules/FindCBLAS.cmake
index ee47b3a..d08b3c2 100644
--- a/CMakeModules/FindCBLAS.cmake
+++ b/CMakeModules/FindCBLAS.cmake
@@ -21,6 +21,29 @@ SET(CBLAS_INCLUDE_DIR CACHE STRING
 SET(CBLAS_INCLUDE_FILE CACHE STRING
   "CBLAS header name")
 
+
+# If a valid PkgConfig configuration for cblas is found, this overrides and cancels
+# all further checks.
+FIND_PACKAGE(PkgConfig)
+IF(PKG_CONFIG_FOUND)
+  PKG_CHECK_MODULES(PC_CBLAS cblas)
+ENDIF(PKG_CONFIG_FOUND)
+
+IF(PC_CBLAS_FOUND)
+
+  FOREACH(PC_LIB ${PC_CBLAS_LIBRARIES})
+    FIND_LIBRARY(${PC_LIB}_LIBRARY NAMES ${PC_LIB} HINTS ${PC_CBLAS_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_CBLAS_LIBRARY_DIRS}")
+    ENDIF (NOT ${PC_LIB}_LIBRARY)
+    LIST(APPEND CBLAS_LIBRARIES ${${PC_LIB}_LIBRARY}) 
+  ENDFOREACH(PC_LIB)
+
+  FIND_PACKAGE_HANDLE_STANDARD_ARGS(CBLAS DEFAULT_MSG CBLAS_LIBRARIES)
+  MARK_AS_ADVANCED(CBLAS_LIBRARIES)
+
+ELSE(PC_CBLAS_FOUND)
+
 SET(INTEL_MKL_ROOT_DIR CACHE STRING
   "Root directory of the Intel MKL")
 
@@ -277,3 +300,5 @@ IF(NOT CBLAS_FIND_QUIETLY)
     MESSAGE(STATUS "CBLAS library not found.")
   ENDIF()
 ENDIF(NOT CBLAS_FIND_QUIETLY)
+
+ENDIF(PC_CBLAS_FOUND)

-- 
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