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Smart Defines
Smart defines are reserved defines that behave differently depending on the build system you are using in a given target. This allows MixDown to have built-in support for utilizing CMake's and Autotool's command line options. By using the smart defines in your Override Groups, MixDown will automatically use the correct command line option as long as you have the corresponding define in your build command.
For example, the define that holds all of Autotool's ability to set compilers is _AutoToolsCompilers. If you imported your project with --import, the smart define will automatically be there in your command. Also if you do not use override groups, the _AutoToolsCompilers define will simply disappear when the command is expanded.
List of all the Smart Defines MixDown supports and what they expand to in Autotools and CMake.
| MixDown | Autotools | CMake |
|---|---|---|
| ccompiler | CC | CMAKE_C_COMPILER |
| cflags | CFLAGS | CMAKE_C_FLAGS |
| cdefines | DEFS |
| MixDown | Autotools | CMake |
|---|---|---|
| cpreprocessor | CPP | |
| cppflags | CPPFLAGS |
| MixDown | Autotools | CMake |
|---|---|---|
| cxxcompiler | CXX | CMAKE_CXX_COMPILER |
| cxxflags | CXXFLAGS | CMAKE_CXX_FLAGS |
| MixDown | Autotools | CMake |
|---|---|---|
| fcompiler | FC | CMAKE_Fortran_COMPILER |
| fflags | FCFLAGS | CMAKE_Fortran_FLAGS |
| flibs | FCLIBS |
| MixDown | Autotools | CMake |
|---|---|---|
| f77compiler | F77 | CMAKE_Fortran_COMPILER |
| f77flags | FFLAGS | CMAKE_Fortran_FLAGS |
| f77libs | FLIBS |
| MixDown | Autotools | CMake |
|---|---|---|
| objccompiler | OBJC | CMAKE_CXX_COMPILER |
| objcflags | OBJCFLAGS | CMAKE_OBJC_FLAGS |
| MixDown | Autotools | CMake |
|---|---|---|
| objcpreprocessor | OBJCPP |
| MixDown | Autotools | CMake |
|---|---|---|
| objcxxcompiler | OBJCXX | |
| objcxxflags | OBJCXXFLAGS |
| MixDown | Autotools | CMake |
|---|---|---|
| OBJCXXPreProcessor | OBJCXXCPP |
Due to CMake having three different linker flags to Autotools one, if you do not specify any of CMake's three linker flags but do specify the combined linker flags, MixDown will set all three to the combined flag.
| MixDown | Autotools | CMake |
|---|---|---|
| linkerflags | LDFLAGS | |
| linkerflagsexe | CMAKE_EXE_LINKER_FLAGS | |
| linkerflagsshared | CMAKE_MODULE_LINKER_FLAGS | |
| linkerflagsmodule | CMAKE_SHARED_LINKER_FLAGS |