diff options
Diffstat (limited to 'cmake/Modules/GrMiscUtils.cmake')
| -rw-r--r-- | cmake/Modules/GrMiscUtils.cmake | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/cmake/Modules/GrMiscUtils.cmake b/cmake/Modules/GrMiscUtils.cmake index f96dbee740..de2683d9cd 100644 --- a/cmake/Modules/GrMiscUtils.cmake +++ b/cmake/Modules/GrMiscUtils.cmake @@ -176,3 +176,22 @@ function(GR_LIBRARY_FOO target) endif(LIBRARY_EXTRAS) endfunction(GR_LIBRARY_FOO) + +######################################################################## +# Create a dummy custom command that depends on other targets. +# Usage: +# GR_GEN_TARGET_DEPS(unique_name target_deps <target1> <target2> ...) +# ADD_CUSTOM_COMMAND(<the usual args> ${target_deps}) +# +# Custom command cant depend on targets, but can depend on executables, +# and executables can depend on targets. So this is the process: +######################################################################## +function(GR_GEN_TARGET_DEPS name var) + set(_dummy_target _${name}_dummy_target) + file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_dummy_target}.cpp "int main(void){return 0;}\n") + add_executable(${_dummy_target} ${CMAKE_CURRENT_BINARY_DIR}/${_dummy_target}.cpp) + if(ARGN) + add_dependencies(${_dummy_target} ${ARGN}) + endif(ARGN) + set(${var} "DEPENDS;${_dummy_target};COMMAND;${_dummy_target}" PARENT_SCOPE) +endfunction(GR_GEN_TARGET_DEPS) |