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Fix bug #93: add platform check for how to link to the standard math library.

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This allows to support QNX.
This commit is contained in:
Benoit Jacob 2010-04-19 11:30:46 -04:00
parent 4785e27d6a
commit 8d4b0aae04
4 changed files with 42 additions and 0 deletions
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32
CMakeLists.txt
View File

@ -26,6 +26,38 @@ if(EIGEN_BUILD_LIB)
option(EIGEN_TEST_LIB "Build the unit tests using the library (disable -pedantic)" OFF) option(EIGEN_TEST_LIB "Build the unit tests using the library (disable -pedantic)" OFF)
endif(EIGEN_BUILD_LIB) endif(EIGEN_BUILD_LIB)
#############################################################################
# find how to link to the standard libraries #
#############################################################################
find_package(StandardMathLibrary)
set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "")
if(NOT STANDARD_MATH_LIBRARY_FOUND)
message(FATAL_ERROR
"Can't link to the standard math library. Please report to the Eigen developers, telling them about your platform.")
else()
if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO} ${STANDARD_MATH_LIBRARY}")
else()
set(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO "${STANDARD_MATH_LIBRARY}")
endif()
endif()
if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
message(STATUS "Standard libraries to link to explicitly: ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO}")
else()
message(STATUS "Standard libraries to link to explicitly: none")
endif()
set(CMAKE_INCLUDE_CURRENT_DIR ON) set(CMAKE_INCLUDE_CURRENT_DIR ON)
if(CMAKE_COMPILER_IS_GNUCXX) if(CMAKE_COMPILER_IS_GNUCXX)

3
doc/examples/CMakeLists.txt
View File

@ -5,6 +5,9 @@ ADD_CUSTOM_TARGET(all_examples)
FOREACH(example_src ${examples_SRCS}) FOREACH(example_src ${examples_SRCS})
GET_FILENAME_COMPONENT(example ${example_src} NAME_WE) GET_FILENAME_COMPONENT(example ${example_src} NAME_WE)
ADD_EXECUTABLE(${example} ${example_src}) ADD_EXECUTABLE(${example} ${example_src})
if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
target_link_libraries(${example} ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO})
endif()
GET_TARGET_PROPERTY(example_executable GET_TARGET_PROPERTY(example_executable
${example} LOCATION) ${example} LOCATION)
ADD_CUSTOM_COMMAND( ADD_CUSTOM_COMMAND(

3
doc/snippets/CMakeLists.txt
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@ -11,6 +11,9 @@ CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/compile_snippet.cpp.in
${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src}) ${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src})
ADD_EXECUTABLE(${compile_snippet_target} ADD_EXECUTABLE(${compile_snippet_target}
${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src}) ${CMAKE_CURRENT_BINARY_DIR}/${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 GET_TARGET_PROPERTY(compile_snippet_executable
${compile_snippet_target} LOCATION) ${compile_snippet_target} LOCATION)
ADD_CUSTOM_COMMAND( ADD_CUSTOM_COMMAND(

4
test/CMakeLists.txt
View File

@ -161,6 +161,10 @@ macro(ei_add_test testname)
target_link_libraries(${targetname} Eigen2) target_link_libraries(${targetname} Eigen2)
endif(TEST_LIB) endif(TEST_LIB)
if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
target_link_libraries(${targetname} ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO})
endif()
target_link_libraries(${targetname} ${EXTERNAL_LIBS}) target_link_libraries(${targetname} ${EXTERNAL_LIBS})
if(${ARGC} GREATER 2) if(${ARGC} GREATER 2)
string(STRIP "${ARGV2}" ARGV2_stripped) string(STRIP "${ARGV2}" ARGV2_stripped)