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cmake : detect host compiler and cuda compiler separately

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This commit is contained in:
Jared Van Bortel 2023-12-11 17:12:37 -05:00
parent abacb27868
commit a81a34add0
1 changed files with 71 additions and 32 deletions
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105
CMakeLists.txt
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@ -397,54 +397,93 @@ if (LLAMA_HIPBLAS)
endif()
endif()
function(get_flags ccid ccver)
set(c_flags "")
set(cxx_flags "")
if (ccid MATCHES "Clang")
set(c_flags -Wunreachable-code-break -Wunreachable-code-return)
set(cxx_flags -Wunreachable-code-break -Wunreachable-code-return -Wmissing-prototypes -Wextra-semi)
if (
(ccid STREQUAL "Clang" AND ccver VERSION_GREATER_EQUAL 3.8.0) OR
(ccid STREQUAL "AppleClang" AND ccver VERSION_GREATER_EQUAL 7.3.0)
)
set(c_flags ${c_flags} -Wdouble-promotion)
endif()
elseif (ccid STREQUAL "GNU")
set(c_flags -Wdouble-promotion)
set(cxx_flags -Wno-array-bounds)
if (ccver VERSION_GREATER_EQUAL 7.1.0)
set(cxx_flags ${cxx_flags} -Wno-format-truncation)
endif()
if (ccver VERSION_GREATER_EQUAL 8.1.0)
set(cxx_flags ${cxx_flags} -Wextra-semi)
endif()
endif()
set(gf_c_flags ${c_flags} PARENT_SCOPE)
set(gf_cxx_flags ${cxx_flags} PARENT_SCOPE)
endfunction()
if (LLAMA_ALL_WARNINGS)
if (NOT MSVC)
set(warning_flags -Wall -Wextra -Wpedantic -Wcast-qual -Wno-unused-function)
set(c_flags -Wshadow -Wstrict-prototypes -Wpointer-arith -Wmissing-prototypes -Werror=implicit-int -Werror=implicit-function-declaration)
set(cxx_flags -Wmissing-declarations -Wmissing-noreturn)
set(host_cxx_flags "")
if (CMAKE_C_COMPILER_ID MATCHES "Clang")
set(warning_flags ${warning_flags} -Wunreachable-code-break -Wunreachable-code-return)
set(host_cxx_flags ${host_cxx_flags} -Wmissing-prototypes -Wextra-semi)
if (
(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 3.8.0) OR
(CMAKE_C_COMPILER_ID STREQUAL "AppleClang" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 7.3.0)
)
set(c_flags ${c_flags} -Wdouble-promotion)
endif()
elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(c_flags ${c_flags} -Wdouble-promotion)
set(host_cxx_flags ${host_cxx_flags} -Wno-array-bounds)
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 7.1.0)
set(host_cxx_flags ${host_cxx_flags} -Wno-format-truncation)
endif()
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.1.0)
set(host_cxx_flags ${host_cxx_flags} -Wextra-semi)
endif()
endif()
else()
# todo : msvc
endif()
get_flags(${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION})
set(c_flags ${c_flags} ${warning_flags})
set(cxx_flags ${cxx_flags} ${warning_flags})
add_compile_options("$<$<COMPILE_LANGUAGE:C>:${c_flags}>"
"$<$<COMPILE_LANGUAGE:CXX>:${cxx_flags}>"
"$<$<COMPILE_LANGUAGE:CXX>:${host_cxx_flags}>")
add_compile_options("$<$<COMPILE_LANGUAGE:C>:${c_flags} ${gf_c_flags}>"
"$<$<COMPILE_LANGUAGE:CXX>:${cxx_flags} ${gf_cxx_flags}>")
else()
# todo : msvc
set(c_flags "")
set(cxx_flags "")
endif()
endif()
set(cuda_flags ${cxx_flags} -use_fast_math)
if (NOT MSVC)
set(cuda_flags -Wno-pedantic)
set(cuda_flags ${cuda_flags} -Wno-pedantic)
endif()
set(cuda_flags ${cxx_flags} -use_fast_math ${cuda_flags})
list(JOIN host_cxx_flags " " cuda_host_flags) # pass host compiler flags as a single argument
set(nvcc_cmd ${CMAKE_CUDA_COMPILER} .c)
if (NOT CMAKE_CUDA_HOST_COMPILER STREQUAL "")
set(nvcc_cmd ${nvcc_cmd} -ccbin ${CMAKE_CUDA_HOST_COMPILER})
endif()
execute_process(
COMMAND ${nvcc_cmd} -Xcompiler --version
OUTPUT_VARIABLE cuda_ccfullver
ERROR_QUIET
)
if (NOT cuda_ccfullver MATCHES clang)
set(cuda_ccid "GNU")
execute_process(
COMMAND ${nvcc_cmd} -Xcompiler "-dumpfullversion -dumpversion"
OUTPUT_VARIABLE cuda_ccver
ERROR_QUIET
)
else()
if (cuda_ccfullver MATCHES Apple)
set(cuda_ccid "AppleClang")
else()
set(cuda_ccid "Clang")
endif()
string(REGEX REPLACE "^.* version ([0-9.]*).*$" "\\1" cuda_ccver ${cuda_ccfullver})
endif()
message("-- CUDA host compiler is " ${cuda_ccid} " " ${cuda_ccver})
get_flags(${cuda_ccid} ${cuda_ccver})
list(JOIN gf_cxx_flags " " cuda_cxx_flags) # pass host compiler flags as a single argument
if (NOT cuda_host_flags STREQUAL "")
set(cuda_flags ${cuda_flags} -Xcompiler ${cuda_host_flags})
set(cuda_flags ${cuda_flags} -Xcompiler ${cuda_cxx_flags})
endif()
add_compile_options("$<$<COMPILE_LANGUAGE:CUDA>:${cuda_flags}>")