feat / work with cross-compile

can compile the target ldpc_generators and generate_T with cross-compiler
This commit is contained in:
Tsung-Yu Chan
2023-09-13 17:20:08 +02:00
committed by Robert Schmidt
parent 73bc34b278
commit 1f2098fcce
11 changed files with 337 additions and 121 deletions
+10 -3
View File
@@ -102,7 +102,7 @@ add_list_string_option(CMAKE_BUILD_TYPE "RelWithDebInfo" "Choose the type of bui
# in case /proc/cpuinfo exists we want to inspect available Intrinsics
# -so not to go always through SIMDE emulation
# -so to avoid AVX512 instructions generation by gcc
if(EXISTS "/proc/cpuinfo")
if(EXISTS "/proc/cpuinfo" AND NOT CROSS_COMPILE)
file(STRINGS "/proc/cpuinfo" CPUFLAGS REGEX flags LIMIT_COUNT 1)
else()
message(WARNING "did not find /proc/cpuinfo -- not setting any x86-specific compilation variables")
@@ -115,7 +115,10 @@ eval_boolean(AUTODETECT_AVX2 DEFINED CPUFLAGS AND CPUFLAGS MATCHES "avx2")
add_boolean_option(AVX2 ${AUTODETECT_AVX2} "Whether AVX2 intrinsics is available on the host processor" ON)
message(STATUS "CPU architecture is ${CMAKE_SYSTEM_PROCESSOR}")
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
if (CROSS_COMPILE)
message(STATUS "setting as aarch64")
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -gdwarf-2 -lgcc -lrt")
elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64")
# The following intrinsics are assumed to be available on any x86 system
# (avx, f16c, fma, gnfi, mmx, pclmul, sse, sse2, sse3, xop)
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -DSIMDE_X86_AVX_NATIVE -DSIMDE_X86_AVX_NATIVE -DSIMDE_X86_F16C_NATIVE -DSIMDE_X86_FMA_NATIVE -DSIMDE_X86_GFNI_NATIVE -DSIMDE_X86_MMX_NATIVE -DSIMDE_X86_PCLMUL_NATIVE -DSIMDE_X86_SSE2_NATIVE -DSIMDE_X86_SSE3_NATIVE -DSIMDE_X86_SSE_NATIVE -DSIMDE_X86_XOP_HAVE_COM_ -DSIMDE_X86_XOP_NATIVE")
@@ -146,7 +149,11 @@ else()
message(FATAL_ERROR "compile for CPU architecture ${CPUARCH}, CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_PROCESSOR}")
endif()
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -march=native")
if (NOT CROSS_COMPILE)
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -march=native")
else ()
set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -march=armv8-a")
endif()
# add autotools definitions that were maybe used!
add_definitions("-DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_FCNTL_H=1 -DHAVE_ARPA_INET_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRERROR=1 -DHAVE_SOCKET=1 -DHAVE_MEMSET=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_STDLIB_H=1 -DHAVE_MALLOC=1 -DHAVE_LIBSCTP")