#===-- runtime/CMakeLists.txt ----------------------------------------------===#
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===------------------------------------------------------------------------===#
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
cmake_minimum_required(VERSION 3.20.0)
project(FlangRuntime C CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
set(CMAKE_CXX_EXTENSIONS OFF)
set(FLANG_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
set(LLVM_COMMON_CMAKE_UTILS "${FLANG_SOURCE_DIR}/../cmake")
set(LLVM_CMAKE_UTILS "${FLANG_SOURCE_DIR}/../llvm/cmake")
set(CLANG_CMAKE_UTILS "${FLANG_SOURCE_DIR}/../clang/cmake")
# Add path for custom modules
list(INSERT CMAKE_MODULE_PATH 0
"${FLANG_SOURCE_DIR}/cmake"
"${FLANG_SOURCE_DIR}/cmake/modules"
"${LLVM_COMMON_CMAKE_UTILS}"
"${LLVM_COMMON_CMAKE_UTILS}/Modules"
"${LLVM_CMAKE_UTILS}"
"${LLVM_CMAKE_UTILS}/modules"
"${CLANG_CMAKE_UTILS}/modules"
)
include(AddClang)
include(AddLLVM)
include(AddFlang)
include(HandleLLVMOptions)
include(TestBigEndian)
test_big_endian(IS_BIGENDIAN)
if (IS_BIGENDIAN)
add_compile_definitions(FLANG_BIG_ENDIAN=1)
else ()
add_compile_definitions(FLANG_LITTLE_ENDIAN=1)
endif ()
include_directories(BEFORE
${FLANG_SOURCE_DIR}/include)
# The out of tree builds of the compiler and the Fortran runtime
# must use the same setting of FLANG_RUNTIME_F128_MATH_LIB
# to be composable. Failure to synchronize this setting may result
# in linking errors or fatal failures in F128 runtime functions.
set(FLANG_RUNTIME_F128_MATH_LIB "" CACHE STRING
"Specifies the target library used for implementing IEEE-754 128-bit float \
math in F18 runtime, e.g. it might be libquadmath for targets where \
REAL(16) is mapped to __float128, or libm for targets where REAL(16) \
is mapped to long double, etc."
)
endif()
include(CheckCXXSymbolExists)
include(CheckCXXSourceCompiles)
check_cxx_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
# Can't use symbol exists here as the function is overloaded in C++
check_cxx_source_compiles(
"#include <string.h>
int main() {
char buf[4096];
return strerror_s(buf, 4096, 0);
}
"
HAVE_DECL_STRERROR_S)
# Check if 128-bit float computations can be done via long double.
check_cxx_source_compiles(
"#include <cfloat>
#if LDBL_MANT_DIG != 113
#error LDBL_MANT_DIG != 113
#endif
int main() { return 0; }
"
HAVE_LDBL_MANT_DIG_113)
check_cxx_compiler_flag(-fno-lto FLANG_RUNTIME_HAS_FNO_LTO_FLAG)
if (FLANG_RUNTIME_HAS_FNO_LTO_FLAG)
set(NO_LTO_FLAGS "-fno-lto")
else()
set(NO_LTO_FLAGS "")
endif()
configure_file(config.h.cmake config.h)
# include_directories is used here instead of target_include_directories
# because add_flang_library creates multiple objects (STATIC/SHARED, OBJECT)
# with different names
include_directories(AFTER ${CMAKE_CURRENT_BINARY_DIR})
append(${NO_LTO_FLAGS} CMAKE_C_FLAGS)
append(${NO_LTO_FLAGS} CMAKE_CXX_FLAGS)
# Disable libstdc++/libc++ assertions, even in an LLVM_ENABLE_ASSERTIONS build,
# to avoid an unwanted dependency on libstdc++/libc++.so.
add_definitions(-U_GLIBCXX_ASSERTIONS)
add_definitions(-U_LIBCPP_ENABLE_ASSERTIONS)
add_subdirectory(Float128Math)
set(sources
ISO_Fortran_binding.cpp
allocator-registry.cpp
allocatable.cpp
array-constructor.cpp
assign.cpp
buffer.cpp
character.cpp
command.cpp
complex-powi.cpp
complex-reduction.c
connection.cpp
copy.cpp
derived-api.cpp
derived.cpp
descriptor-io.cpp
descriptor.cpp
dot-product.cpp
edit-input.cpp
edit-output.cpp
environment.cpp
exceptions.cpp
execute.cpp
extensions.cpp
external-unit.cpp
extrema.cpp
file.cpp
findloc.cpp
format.cpp
inquiry.cpp
internal-unit.cpp
io-api.cpp
io-api-minimal.cpp
io-error.cpp
io-stmt.cpp
iostat.cpp
main.cpp
matmul-transpose.cpp
matmul.cpp
memory.cpp
misc-intrinsic.cpp
namelist.cpp
non-tbp-dio.cpp
numeric.cpp
pointer.cpp
product.cpp
pseudo-unit.cpp
ragged.cpp
random.cpp
reduce.cpp
reduction.cpp
stat.cpp
stop.cpp
sum.cpp
support.cpp
temporary-stack.cpp
terminator.cpp
time-intrinsic.cpp
tools.cpp
transformational.cpp
type-code.cpp
type-info.cpp
unit-map.cpp
unit.cpp
utf.cpp
${FORTRAN_MODULE_OBJECTS}
)
include(AddFlangOffloadRuntime)
# List of files that are buildable for all devices.
set(supported_files
ISO_Fortran_binding.cpp
allocatable.cpp
allocator-registry.cpp
array-constructor.cpp
assign.cpp
buffer.cpp
character.cpp
connection.cpp
copy.cpp
derived-api.cpp
derived.cpp
descriptor.cpp
descriptor-io.cpp
dot-product.cpp
edit-input.cpp
edit-output.cpp
environment.cpp
extrema.cpp
external-unit.cpp
file.cpp
findloc.cpp
format.cpp
inquiry.cpp
internal-unit.cpp
io-api.cpp
io-api-minimal.cpp
io-error.cpp
io-stmt.cpp
iostat.cpp
matmul-transpose.cpp
matmul.cpp
memory.cpp
misc-intrinsic.cpp
namelist.cpp
non-tbp-dio.cpp
numeric.cpp
pointer.cpp
product.cpp
pseudo-unit.cpp
ragged.cpp
stat.cpp
sum.cpp
support.cpp
terminator.cpp
tools.cpp
transformational.cpp
type-code.cpp
type-info.cpp
unit.cpp
utf.cpp
)
enable_cuda_compilation(FortranRuntime "${supported_files}")
enable_omp_offload_compilation("${supported_files}")
if (NOT TARGET FortranFloat128Math)
# If FortranFloat128Math is not defined, then we are not building
# standalone FortranFloat128Math library. Instead, include
# the relevant sources into FortranRuntime itself.
# The information is provided via FortranFloat128MathILib
# interface library.
get_target_property(f128_sources
FortranFloat128MathILib INTERFACE_SOURCES
)
if (f128_sources)
# The interface may define special macros for Float128Math files,
# so we need to propagate them.
get_target_property(f128_defs
FortranFloat128MathILib INTERFACE_COMPILE_DEFINITIONS
)
set_property(SOURCE ${f128_sources}
APPEND PROPERTY COMPILE_DEFINITIONS
${f128_defs}
)
get_target_property(f128_include_dirs
FortranFloat128MathILib INTERFACE_INCLUDE_DIRECTORIES
)
set_property(SOURCE ${f128_sources}
APPEND PROPERTY INCLUDE_DIRECTORIES
${f128_include_dirs}
)
list(APPEND sources ${f128_sources})
endif()
endif()
if (NOT DEFINED MSVC)
add_flang_library(FortranRuntime
${sources}
LINK_LIBS
FortranDecimal
INSTALL_WITH_TOOLCHAIN
)
else()
add_flang_library(FortranRuntime
${sources}
LINK_LIBS
FortranDecimal
)
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreaded)
add_flang_library(FortranRuntime.static ${sources}
LINK_LIBS
FortranDecimal.static
INSTALL_WITH_TOOLCHAIN)
set_target_properties(FortranRuntime.static PROPERTIES FOLDER "Flang/Runtime Libraries")
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDLL)
add_flang_library(FortranRuntime.dynamic ${sources}
LINK_LIBS
FortranDecimal.dynamic
INSTALL_WITH_TOOLCHAIN)
set_target_properties(FortranRuntime.dynamic PROPERTIES FOLDER "Flang/Runtime Libraries")
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDebug)
add_flang_library(FortranRuntime.static_dbg ${sources}
LINK_LIBS
FortranDecimal.static_dbg
INSTALL_WITH_TOOLCHAIN)
set_target_properties(FortranRuntime.static_dbg PROPERTIES FOLDER "Flang/Runtime Libraries")
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDebugDLL)
add_flang_library(FortranRuntime.dynamic_dbg ${sources}
LINK_LIBS
FortranDecimal.dynamic_dbg
INSTALL_WITH_TOOLCHAIN)
set_target_properties(FortranRuntime.dynamic_dbg PROPERTIES FOLDER "Flang/Runtime Libraries")
add_dependencies(FortranRuntime FortranRuntime.static FortranRuntime.dynamic
FortranRuntime.static_dbg FortranRuntime.dynamic_dbg)
endif()
set_target_properties(FortranRuntime PROPERTIES FOLDER "Flang/Runtime Libraries")
# If FortranRuntime is part of a Flang build (and not a separate build) then
# add dependency to make sure that Fortran runtime library is being built after
# we have the Flang compiler available. This also includes the MODULE files
# that compile when the 'flang' target is built.
#
# TODO: This is a workaround and should be updated when runtime build procedure
# is changed to a regular runtime build. See discussion in PR #95388.
if (TARGET flang AND TARGET module_files)
add_dependencies(FortranRuntime flang module_files)
endif()
if (FLANG_CUF_RUNTIME)
add_subdirectory(CUDA)
endif()
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