Eclipse: detect number of CPUs, set CMAKE_ECLIPSE_MAKE_ARGUMENTS accordigly

Using the new module ProcessorCount.cmake now the number of CPUs is
detected, and if it is bigger than 1, make -jX is set accordingly.

Alex
This commit is contained in:
Alex Neundorf 2011-10-23 14:33:25 +02:00
parent 117f2b8257
commit 70de8bd5ae
1 changed files with 13 additions and 1 deletions

View File

@ -54,8 +54,20 @@ ENDFUNCTION()
_FIND_ECLIPSE_VERSION()
# Try to find out how many CPUs we have and set the -j argument for make accordingly
SET(_CMAKE_ECLIPSE_INITIAL_MAKE_ARGS "")
INCLUDE(ProcessorCount)
PROCESSORCOUNT(_CMAKE_ECLIPSE_PROCESSOR_COUNT)
# Only set -j if we are under UNIX and if the make-tool used actually has "make" in the name
# (we may also get here in the future e.g. for ninja)
IF("${_CMAKE_ECLIPSE_PROCESSOR_COUNT}" GREATER 1 AND UNIX AND "${CMAKE_MAKE_PROGRAM}" MATCHES make)
SET(_CMAKE_ECLIPSE_INITIAL_MAKE_ARGS "-j${_CMAKE_ECLIPSE_PROCESSOR_COUNT}")
ENDIF()
# This variable is used by the Eclipse generator and appended to the make invocation commands.
SET(CMAKE_ECLIPSE_MAKE_ARGUMENTS "" CACHE STRING "Additional command line arguments when Eclipse invokes make. Enter e.g. -j<some_number> to get parallel builds")
SET(CMAKE_ECLIPSE_MAKE_ARGUMENTS "${_CMAKE_ECLIPSE_INITIAL_MAKE_ARGS}" CACHE STRING "Additional command line arguments when Eclipse invokes make. Enter e.g. -j<some_number> to get parallel builds")
# This variable is used by the Eclipse generator in out-of-source builds only.
SET(ECLIPSE_CDT4_GENERATE_SOURCE_PROJECT FALSE CACHE BOOL "If enabled, CMake will generate a source project for Eclipse in CMAKE_SOURCE_DIR")