From 437dff80eedf0992d370555d9000022f26386b98 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Sat, 20 Nov 2010 12:01:17 +0100
Subject: fix issue 114: workaround cmake enable_language bug

---
 blas/CMakeLists.txt         | 20 ++++++++++++++++++--
 blas/testing/CMakeLists.txt |  5 -----
 2 files changed, 18 insertions(+), 7 deletions(-)

(limited to 'blas')

diff --git a/blas/CMakeLists.txt b/blas/CMakeLists.txt
index 2855009dd..8c8034294 100644
--- a/blas/CMakeLists.txt
+++ b/blas/CMakeLists.txt
@@ -1,4 +1,17 @@
-project(EigenBlas CXX Fortran)
+
+project(EigenBlas CXX)
+
+if((NOT DEFINED EIGEN_Fortran_COMPILER_WORKS) OR EIGEN_Fortran_COMPILER_WORKS)
+
+  enable_language(Fortran OPTIONAL)
+
+  if(CMAKE_Fortran_COMPILER_WORKS)
+    set(EIGEN_Fortran_COMPILER_WORKS TRUE CACHE INTERNAL "workaround cmake's enable_language issue")
+  else()
+    set(EIGEN_Fortran_COMPILER_WORKS FALSE CACHE INTERNAL "workaround cmake's enable_language issue")
+  endif()
+  
+endif()
 
 add_custom_target(blas)
 
@@ -19,4 +32,7 @@ install(TARGETS eigen_blas
         LIBRARY DESTINATION lib
         ARCHIVE DESTINATION lib)
 
-add_subdirectory(testing)
+
+if(CMAKE_Fortran_COMPILER_WORKS)
+  add_subdirectory(testing)
+endif(CMAKE_Fortran_COMPILER_WORKS)
diff --git a/blas/testing/CMakeLists.txt b/blas/testing/CMakeLists.txt
index fcc596b9a..013f8e766 100644
--- a/blas/testing/CMakeLists.txt
+++ b/blas/testing/CMakeLists.txt
@@ -1,7 +1,4 @@
 
-# enable_language(Fortran)
-# enable_testing()
-
 macro(ei_add_blas_test testname)
 
   set(targetname ${testname})
@@ -17,8 +14,6 @@ macro(ei_add_blas_test testname)
 
   target_link_libraries(${targetname} ${EXTERNAL_LIBS})
 
-#   add_test(${testname} "${targetname}" < ../${testname}.dat)
-
   add_test(${testname} "${Eigen_SOURCE_DIR}/blas/testing/runblastest.sh" "${testname}" "${Eigen_SOURCE_DIR}/blas/testing/${testname}.dat")
   
 endmacro(ei_add_blas_test)
-- 
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