Enable specifying target architecture

2 years ago · 376b4f0011
parent 3cafaec5a8
commit 376b4f0011
1 changed files with 8 additions and 6 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -95,12 +95,14 @@ option(ENABLE_ALL_TEST       "Enable all unit/component test"           OFF)
 # (gcc-ar, gcc-nm, ...).
 option(BUILD_WITH_LTO        "Enable LTO (experimental)"                OFF)

+if(NOT GCC_ARCH)
  if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
    set(GCC_ARCH armv8-a CACHE STRING "GCC compile for specific architecture.")
    message(STATUS "Detected aarch64 processor")
  else(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
    set(GCC_ARCH native CACHE STRING "GCC compile for specific architecture.")
  endif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
+endif()

 # On RAM constrained (embedded) systems it may be useful to limit parallel compilation with, e.g. -DPARALLEL_COMPILE_JOBS=1
 if (PARALLEL_COMPILE_JOBS)