diff options
Diffstat (limited to 'Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt')
| -rw-r--r-- | Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt b/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt index 9ede4b3..42e098a 100644 --- a/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt +++ b/Help/guide/tutorial/Step7/MathFunctions/CMakeLists.txt @@ -1,29 +1,34 @@ -# first we add the executable that generates the table -add_executable(MakeTable MakeTable.cxx) - -# add the command to generate the source code -add_custom_command( - OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/Table.h - COMMAND MakeTable ${CMAKE_CURRENT_BINARY_DIR}/Table.h - DEPENDS MakeTable - ) - -# add the main library -add_library(MathFunctions - mysqrt.cxx - ${CMAKE_CURRENT_BINARY_DIR}/Table.h - ) +add_library(MathFunctions mysqrt.cxx) # state that anybody linking to us needs to include the current source dir # to find MathFunctions.h, while we don't. -# state that we depend on Tutorial_BINARY_DIR but consumers don't, as the -# TutorialConfig.h include is an implementation detail -# state that we depend on our binary dir to find Table.h target_include_directories(MathFunctions INTERFACE ${CMAKE_CURRENT_SOURCE_DIR} - PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ) +# does this system provide the log and exp functions? +include(CheckCXXSourceCompiles) +check_cxx_source_compiles(" + #include <cmath> + int main() { + std::log(1.0); + return 0; + } +" HAVE_LOG) +check_cxx_source_compiles(" + #include <cmath> + int main() { + std::exp(1.0); + return 0; + } +" HAVE_EXP) + +# add compile definitions +if(HAVE_LOG AND HAVE_EXP) + target_compile_definitions(MathFunctions + PRIVATE "HAVE_LOG" "HAVE_EXP") +endif() + # install rules install(TARGETS MathFunctions DESTINATION lib) install(FILES MathFunctions.h DESTINATION include) |