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MaxDesiatovMaxDesiatov
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Merge pull request #62248 from apple/maxd/alpine-musl-modulemap
stdlib: add modulemap for Musl, add Musl platform module
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‎stdlib/public/Platform/CMakeLists.txt

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@@ -98,6 +98,22 @@ add_swift_target_library(swiftGlibc ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} IS_SDK_O
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INSTALL_IN_COMPONENT sdk-overlay
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DEPENDS glibc_modulemap)
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add_swift_target_library(swiftMusl ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} IS_SDK_OVERLAY
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${swift_platform_sources}
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POSIXError.swift
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GYB_SOURCES
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${swift_platform_gyb_sources}
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Musl.swift.gyb
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SWIFT_COMPILE_FLAGS
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${SWIFT_RUNTIME_SWIFT_COMPILE_FLAGS}
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${SWIFT_STANDARD_LIBRARY_SWIFT_FLAGS}
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${swift_platform_compile_flags}
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LINK_FLAGS "${SWIFT_RUNTIME_SWIFT_LINK_FLAGS}"
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TARGET_SDKS MUSL
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INSTALL_IN_COMPONENT sdk-overlay)
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add_swift_target_library(swiftCRT ${SWIFT_STDLIB_LIBRARY_BUILD_TYPES} IS_SDK_OVERLAY
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ucrt.swift
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${swift_platform_sources}

‎stdlib/public/Platform/Musl.swift.gyb

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//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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@_exported import SwiftMusl // Clang module
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public let MAP_FAILED: UnsafeMutableRawPointer! = UnsafeMutableRawPointer(bitPattern: -1)
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// Constants defined by <math.h>
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@available(swift, deprecated: 3.0, message: "Please use 'Double.pi' or '.pi' to get the value of correct type and avoid casting.")
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public let M_PI = Double.pi
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@available(swift, deprecated: 3.0, message: "Please use 'Double.pi / 2' or '.pi / 2' to get the value of correct type and avoid casting.")
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public let M_PI_2 = Double.pi / 2
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@available(swift, deprecated: 3.0, message: "Please use 'Double.pi / 4' or '.pi / 4' to get the value of correct type and avoid casting.")
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public let M_PI_4 = Double.pi / 4
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@available(swift, deprecated: 3.0, message: "Please use '2.squareRoot()'.")
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public let M_SQRT2 = 2.squareRoot()
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@available(swift, deprecated: 3.0, message: "Please use '0.5.squareRoot()'.")
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public let M_SQRT1_2 = 0.5.squareRoot()
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// Constants defined by <float.h>
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@available(swift, deprecated: 3.0, message: "Please use 'T.radix' to get the radix of a FloatingPoint type 'T'.")
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public let FLT_RADIX = Double.radix
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%for type, prefix in [('Float', 'FLT'), ('Double', 'DBL'), ('Float80', 'LDBL')]:
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% if type == "Float80":
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#if !os(Android) && (arch(i386) || arch(x86_64))
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% end
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// Where does the 1 come from? C counts the usually-implicit leading
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// significand bit, but Swift does not. Neither is really right or wrong.
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@available(swift, deprecated: 3.0, message: "Please use '${type}.significandBitCount + 1'.")
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public let ${prefix}_MANT_DIG = ${type}.significandBitCount + 1
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// Where does the 1 come from? C models floating-point numbers as having a
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// significand in [0.5, 1), but Swift (following IEEE 754) considers the
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// significand to be in [1, 2). This rationale applies to ${prefix}_MIN_EXP
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// as well.
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@available(swift, deprecated: 3.0, message: "Please use '${type}.greatestFiniteMagnitude.exponent + 1'.")
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public let ${prefix}_MAX_EXP = ${type}.greatestFiniteMagnitude.exponent + 1
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@available(swift, deprecated: 3.0, message: "Please use '${type}.leastNormalMagnitude.exponent + 1'.")
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public let ${prefix}_MIN_EXP = ${type}.leastNormalMagnitude.exponent + 1
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@available(swift, deprecated: 3.0, message: "Please use '${type}.greatestFiniteMagnitude' or '.greatestFiniteMagnitude'.")
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public let ${prefix}_MAX = ${type}.greatestFiniteMagnitude
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@available(swift, deprecated: 3.0, message: "Please use '${type}.ulpOfOne' or '.ulpOfOne'.")
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public let ${prefix}_EPSILON = ${type}.ulpOfOne
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@available(swift, deprecated: 3.0, message: "Please use '${type}.leastNormalMagnitude' or '.leastNormalMagnitude'.")
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public let ${prefix}_MIN = ${type}.leastNormalMagnitude
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@available(swift, deprecated: 3.0, message: "Please use '${type}.leastNonzeroMagnitude' or '.leastNonzeroMagnitude'.")
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public let ${prefix}_TRUE_MIN = ${type}.leastNonzeroMagnitude
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% if type == "Float80":
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#endif
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% end
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%end

‎stdlib/public/Platform/musl.modulemap

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//===--- musl.modulemap ---------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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module SwiftMusl [system] {
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header "stdc-predef.h"
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header "features.h"
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// C standard library
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header "complex.h"
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header "ctype.h"
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header "errno.h"
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header "fenv.h"
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header "float.h"
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header "inttypes.h"
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header "iso646.h"
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header "limits.h"
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header "locale.h"
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header "math.h"
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header "pty.h"
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header "setjmp.h"
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header "signal.h"
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header "stdarg.h"
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header "stdbool.h"
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header "stddef.h"
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header "stdint.h"
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header "stdio.h"
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header "stdlib.h"
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header "string.h"
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header "tgmath.h"
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header "time.h"
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header "utmp.h"
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// POSIX
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header "aio.h"
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header "arpa/inet.h"
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header "cpio.h"
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header "dirent.h"
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header "dlfcn.h"
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header "fcntl.h"
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header "fmtmsg.h"
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header "fnmatch.h"
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header "ftw.h"
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header "glob.h"
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header "grp.h"
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header "iconv.h"
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header "ifaddrs.h"
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header "langinfo.h"
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header "libgen.h"
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header "link.h"
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header "monetary.h"
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header "net/if.h"
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header "netdb.h"
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header "netinet/in.h"
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header "netinet/tcp.h"
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header "nl_types.h"
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header "poll.h"
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header "pthread.h"
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header "pwd.h"
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header "regex.h"
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header "sched.h"
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header "search.h"
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header "semaphore.h"
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header "spawn.h"
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header "strings.h"
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header "sys/file.h"
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header "sys/inotify.h"
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header "sys/ioctl.h"
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header "sys/ipc.h"
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header "sys/mman.h"
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header "sys/mount.h"
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header "sys/msg.h"
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header "sys/resource.h"
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header "sys/select.h"
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header "sys/sem.h"
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header "sys/sendfile.h"
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header "sys/shm.h"
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header "sys/socket.h"
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header "sys/stat.h"
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header "sys/statvfs.h"
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header "sys/time.h"
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header "sys/times.h"
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header "sys/types.h"
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header "sys/uio.h"
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header "sys/un.h"
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header "sys/user.h"
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header "sys/utsname.h"
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header "sys/wait.h"
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header "sysexits.h"
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header "syslog.h"
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header "tar.h"
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header "termios.h"
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header "ulimit.h"
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header "unistd.h"
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header "utime.h"
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header "utmpx.h"
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header "wordexp.h"
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// <assert.h>'s use of NDEBUG requires textual inclusion.
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textual header "assert.h"
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export *
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}

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