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#===-- runtime/Float128Math/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
#
#===------------------------------------------------------------------------===#
# FortranFloat128 implements IEEE-754 128-bit float math functions.
# It is a thin wapper and it currently relies on third-party
# libraries available for the target.
# It is distributed as a static library only.
# Fortran programs/libraries that end up linking any of the provided
# will have a dependency on the third-party library that is being
# used for building this FortranFloat128Math library.
include(CheckLibraryExists)
set(sources
acos.cpp
acosh.cpp
asin.cpp
asinh.cpp
atan.cpp
atan2.cpp
atanh.cpp
ceil.cpp
complex-math.c
cos.cpp
cosh.cpp
erf.cpp
erfc.cpp
exp.cpp
exponent.cpp
floor.cpp
fma.cpp
fraction.cpp
hypot.cpp
j0.cpp
j1.cpp
jn.cpp
lgamma.cpp
llround.cpp
log.cpp
log10.cpp
lround.cpp
mod-real.cpp
modulo-real.cpp
nearest.cpp
norm2.cpp
pow.cpp
random.cpp
round.cpp
rrspacing.cpp
scale.cpp
set-exponent.cpp
sin.cpp
sinh.cpp
spacing.cpp
sqrt.cpp
tan.cpp
tanh.cpp
tgamma.cpp
trunc.cpp
y0.cpp
y1.cpp
yn.cpp
)
include_directories(AFTER "${CMAKE_CURRENT_SOURCE_DIR}/..")
add_library(FortranFloat128MathILib INTERFACE)
if (FLANG_RUNTIME_F128_MATH_LIB)
if (${FLANG_RUNTIME_F128_MATH_LIB} STREQUAL "libquadmath")
check_include_file(quadmath.h FOUND_QUADMATH_HEADER)
if(FOUND_QUADMATH_HEADER)
add_compile_definitions(HAS_QUADMATHLIB)
else()
message(FATAL_ERROR
"FLANG_RUNTIME_F128_MATH_LIB setting requires quadmath.h "
"to be available: ${FLANG_RUNTIME_F128_MATH_LIB}"
)
endif()
else()
message(FATAL_ERROR
"Unsupported third-party library for Fortran F128 math runtime: "
"${FLANG_RUNTIME_F128_MATH_LIB}"
)
endif()
add_flang_library(FortranFloat128Math STATIC INSTALL_WITH_TOOLCHAIN
${sources})
if (DEFINED MSVC)
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreaded)
add_flang_library(FortranFloat128Math.static STATIC INSTALL_WITH_TOOLCHAIN
${sources}
)
set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreadedDebug)
add_flang_library(FortranFloat128Math.static_dbg STATIC INSTALL_WITH_TOOLCHAIN
${sources}
)
add_dependencies(FortranFloat128Math FortranFloat128Math.static
FortranFloat128Math.static_dbg
)
endif()
elseif (HAVE_LDBL_MANT_DIG_113)
# We can use 'long double' versions from libc.
check_library_exists(m sinl "" FOUND_LIBM)
if (FOUND_LIBM)
target_compile_definitions(FortranFloat128MathILib INTERFACE
HAS_LIBM
)
target_sources(FortranFloat128MathILib INTERFACE ${sources})
else()
message(FATAL_ERROR "FortranRuntime cannot build without libm")
endif()
else()
# We can use '__float128' version from libc, if it has them.
check_library_exists(m sinf128 "" FOUND_LIBMF128)
if (FOUND_LIBMF128)
target_compile_definitions(FortranFloat128MathILib INTERFACE
HAS_LIBMF128
)
# Enable this, when math-entries.h and complex-math.h is ready.
# target_sources(FortranFloat128MathILib INTERFACE ${sources})
endif()
endif()
|
