From 84d1b2ae3a7187f418b1cbbec03eabda372ea699 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Mon, 19 Apr 2010 11:19:22 -0400
Subject: add platform check for how to link to the standard math library. This
 allows to support QNX.

---
 unsupported/doc/examples/CMakeLists.txt | 25 ++++++++++++++-----------
 unsupported/doc/snippets/CMakeLists.txt |  3 +++
 2 files changed, 17 insertions(+), 11 deletions(-)

(limited to 'unsupported/doc')

diff --git a/unsupported/doc/examples/CMakeLists.txt b/unsupported/doc/examples/CMakeLists.txt
index cb42b2ab9..61af3e5a5 100644
--- a/unsupported/doc/examples/CMakeLists.txt
+++ b/unsupported/doc/examples/CMakeLists.txt
@@ -3,15 +3,18 @@ FILE(GLOB examples_SRCS "*.cpp")
 ADD_CUSTOM_TARGET(unsupported_examples)
 
 FOREACH(example_src ${examples_SRCS})
-GET_FILENAME_COMPONENT(example ${example_src} NAME_WE)
-ADD_EXECUTABLE(example_${example} ${example_src})
-GET_TARGET_PROPERTY(example_executable
-                    example_${example} LOCATION)
-ADD_CUSTOM_COMMAND(
-  TARGET example_${example}
-  POST_BUILD
-  COMMAND ${example_executable}
-  ARGS >${CMAKE_CURRENT_BINARY_DIR}/${example}.out
-)
-ADD_DEPENDENCIES(unsupported_examples example_${example})
+  GET_FILENAME_COMPONENT(example ${example_src} NAME_WE)
+  ADD_EXECUTABLE(example_${example} ${example_src})
+  if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
+    target_link_libraries(example_${example} ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO})
+  endif()
+  GET_TARGET_PROPERTY(example_executable
+                      example_${example} LOCATION)
+  ADD_CUSTOM_COMMAND(
+    TARGET example_${example}
+    POST_BUILD
+    COMMAND ${example_executable}
+    ARGS >${CMAKE_CURRENT_BINARY_DIR}/${example}.out
+  )
+  ADD_DEPENDENCIES(unsupported_examples example_${example})
 ENDFOREACH(example_src)
diff --git a/unsupported/doc/snippets/CMakeLists.txt b/unsupported/doc/snippets/CMakeLists.txt
index 19e9b1a1f..4a4157933 100644
--- a/unsupported/doc/snippets/CMakeLists.txt
+++ b/unsupported/doc/snippets/CMakeLists.txt
@@ -11,6 +11,9 @@ FOREACH(snippet_src ${snippets_SRCS})
                  ${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src})
   ADD_EXECUTABLE(${compile_snippet_target}
                  ${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src})
+  if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
+    target_link_libraries(${compile_snippet_target} ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO})
+  endif()
   GET_TARGET_PROPERTY(compile_snippet_executable
                       ${compile_snippet_target} LOCATION)
   ADD_CUSTOM_COMMAND(
-- 
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