SwiftSerial – Build Information – Swift Package Index

Build Information

Failed to build SwiftSerial, reference master (5dea24), with Swift 6.4 for Wasm on 16 Sep 2026 19:19:19 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/yeokm1/swiftserial.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/yeokm1/swiftserial
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 5dea242 Update README.md
Cloned https://github.com/yeokm1/swiftserial.git
Revision (git rev-parse @):
5dea242daa3da7bfb74a6bb02c039966882e7045
SUCCESS checkout https://github.com/yeokm1/swiftserial.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/yeokm1/swiftserial.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/SwiftSerial.swift:174:20: [1;31merror: [1;39mcannot find type 'tcflag_t' in scope[0;0m
[0;36m172 |[0;0m     case bits8
[0;36m173 |[0;0m
[0;36m174 |[0;0m     var flagValue: [4;39mtcflag_t[0;0m {
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find type 'tcflag_t' in scope[0;0m
[0;36m175 |[0;0m         switch self {
[0;36m176 |[0;0m         case .bits5:
/host/spi-builder-workspace/Sources/SwiftSerial.swift:194:22: [1;31merror: [1;39mcannot find type 'tcflag_t' in scope[0;0m
[0;36m192 |[0;0m     case odd
[0;36m193 |[0;0m
[0;36m194 |[0;0m     var parityValue: [4;39mtcflag_t[0;0m {
    [0;36m|[0;0m                      `- [1;31merror: [1;39mcannot find type 'tcflag_t' in scope[0;0m
[0;36m195 |[0;0m         switch self {
[0;36m196 |[0;0m         case .none:
/host/spi-builder-workspace/Sources/SwiftSerial.swift:262:42: [1;31merror: [1;39mcannot find type 'BaudRate' in scope[0;0m
[0;36m260 |[0;0m     }
[0;36m261 |[0;0m
[0;36m262 |[0;0m     public func setSettings(receiveRate: [4;39mBaudRate[0;0m,
    [0;36m|[0;0m                                          `- [1;31merror: [1;39mcannot find type 'BaudRate' in scope[0;0m
[0;36m263 |[0;0m                             transmitRate: BaudRate,
[0;36m264 |[0;0m                             minimumBytesToRead: Int,
/host/spi-builder-workspace/Sources/SwiftSerial.swift:263:43: [1;31merror: [1;39mcannot find type 'BaudRate' in scope[0;0m
[0;36m261 |[0;0m
[0;36m262 |[0;0m     public func setSettings(receiveRate: BaudRate,
[0;36m263 |[0;0m                             transmitRate: [4;39mBaudRate[0;0m,
    [0;36m|[0;0m                                           `- [1;31merror: [1;39mcannot find type 'BaudRate' in scope[0;0m
[0;36m264 |[0;0m                             minimumBytesToRead: Int,
[0;36m265 |[0;0m                             timeout: Int = 0, /* 0 means wait indefinitely */
/host/spi-builder-workspace/Sources/SwiftSerial.swift:279:24: [1;31merror: [1;39mcannot find 'termios' in scope[0;0m
[0;36m277 |[0;0m
[0;36m278 |[0;0m         // Set up the control structure
[0;36m279 |[0;0m         var settings = [4;39mtermios[0;0m()
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find 'termios' in scope[0;0m
[0;36m280 |[0;0m
[0;36m281 |[0;0m         // Get options structure for the port
/host/spi-builder-workspace/Sources/SwiftSerial.swift:282:9: [1;31merror: [1;39mcannot find 'tcgetattr' in scope[0;0m
[0;36m280 |[0;0m
[0;36m281 |[0;0m         // Get options structure for the port
[0;36m282 |[0;0m         [4;39mtcgetattr[0;0m(fileDescriptor, &settings)
    [0;36m|[0;0m         `- [1;31merror: [1;39mcannot find 'tcgetattr' in scope[0;0m
[0;36m283 |[0;0m
[0;36m284 |[0;0m         // Set baud rates
/host/spi-builder-workspace/Sources/SwiftSerial.swift:285:9: [1;31merror: [1;39mcannot find 'cfsetispeed' in scope[0;0m
[0;36m283 |[0;0m
[0;36m284 |[0;0m         // Set baud rates
[0;36m285 |[0;0m         [4;39mcfsetispeed[0;0m(&settings, receiveRate.speedValue)
    [0;36m|[0;0m         `- [1;31merror: [1;39mcannot find 'cfsetispeed' in scope[0;0m
[0;36m286 |[0;0m         cfsetospeed(&settings, transmitRate.speedValue)
[0;36m287 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:286:9: [1;31merror: [1;39mcannot find 'cfsetospeed' in scope[0;0m
[0;36m284 |[0;0m         // Set baud rates
[0;36m285 |[0;0m         cfsetispeed(&settings, receiveRate.speedValue)
[0;36m286 |[0;0m         [4;39mcfsetospeed[0;0m(&settings, transmitRate.speedValue)
    [0;36m|[0;0m         `- [1;31merror: [1;39mcannot find 'cfsetospeed' in scope[0;0m
[0;36m287 |[0;0m
[0;36m288 |[0;0m         // Enable parity (even/odd) if needed
/host/spi-builder-workspace/Sources/SwiftSerial.swift:293:33: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m291 |[0;0m         // Set stop bit flag
[0;36m292 |[0;0m         if sendTwoStopBits {
[0;36m293 |[0;0m             settings.c_cflag |= [4;39mtcflag_t[0;0m(CSTOPB)
    [0;36m|[0;0m                                 `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m294 |[0;0m         } else {
[0;36m295 |[0;0m             settings.c_cflag &= ~tcflag_t(CSTOPB)
/host/spi-builder-workspace/Sources/SwiftSerial.swift:293:42: [1;31merror: [1;39mcannot find 'CSTOPB' in scope[0;0m
[0;36m291 |[0;0m         // Set stop bit flag
[0;36m292 |[0;0m         if sendTwoStopBits {
[0;36m293 |[0;0m             settings.c_cflag |= tcflag_t([4;39mCSTOPB[0;0m)
    [0;36m|[0;0m                                          `- [1;31merror: [1;39mcannot find 'CSTOPB' in scope[0;0m
[0;36m294 |[0;0m         } else {
[0;36m295 |[0;0m             settings.c_cflag &= ~tcflag_t(CSTOPB)
/host/spi-builder-workspace/Sources/SwiftSerial.swift:295:34: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m293 |[0;0m             settings.c_cflag |= tcflag_t(CSTOPB)
[0;36m294 |[0;0m         } else {
[0;36m295 |[0;0m             settings.c_cflag &= ~[4;39mtcflag_t[0;0m(CSTOPB)
    [0;36m|[0;0m                                  `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m296 |[0;0m         }
[0;36m297 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:295:43: [1;31merror: [1;39mcannot find 'CSTOPB' in scope[0;0m
[0;36m293 |[0;0m             settings.c_cflag |= tcflag_t(CSTOPB)
[0;36m294 |[0;0m         } else {
[0;36m295 |[0;0m             settings.c_cflag &= ~tcflag_t([4;39mCSTOPB[0;0m)
    [0;36m|[0;0m                                           `- [1;31merror: [1;39mcannot find 'CSTOPB' in scope[0;0m
[0;36m296 |[0;0m         }
[0;36m297 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:299:30: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m297 |[0;0m
[0;36m298 |[0;0m         // Set data bits size flag
[0;36m299 |[0;0m         settings.c_cflag &= ~[4;39mtcflag_t[0;0m(CSIZE)
    [0;36m|[0;0m                              `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m300 |[0;0m         settings.c_cflag |= dataBitsSize.flagValue
[0;36m301 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:299:39: [1;31merror: [1;39mcannot find 'CSIZE' in scope[0;0m
[0;36m297 |[0;0m
[0;36m298 |[0;0m         // Set data bits size flag
[0;36m299 |[0;0m         settings.c_cflag &= ~tcflag_t([4;39mCSIZE[0;0m)
    [0;36m|[0;0m                                       `- [1;31merror: [1;39mcannot find 'CSIZE' in scope[0;0m
[0;36m300 |[0;0m         settings.c_cflag |= dataBitsSize.flagValue
[0;36m301 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:303:30: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m301 |[0;0m
[0;36m302 |[0;0m         //Disable input mapping of CR to NL, mapping of NL into CR, and ignoring CR
[0;36m303 |[0;0m         settings.c_iflag &= ~[4;39mtcflag_t[0;0m(ICRNL | INLCR | IGNCR)
    [0;36m|[0;0m                              `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m304 |[0;0m
[0;36m305 |[0;0m         // Set hardware flow control flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:303:39: [1;31merror: [1;39mcannot find 'ICRNL' in scope[0;0m
[0;36m301 |[0;0m
[0;36m302 |[0;0m         //Disable input mapping of CR to NL, mapping of NL into CR, and ignoring CR
[0;36m303 |[0;0m         settings.c_iflag &= ~tcflag_t([4;39mICRNL[0;0m | INLCR | IGNCR)
    [0;36m|[0;0m                                       `- [1;31merror: [1;39mcannot find 'ICRNL' in scope[0;0m
[0;36m304 |[0;0m
[0;36m305 |[0;0m         // Set hardware flow control flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:303:47: [1;31merror: [1;39mcannot find 'INLCR' in scope[0;0m
[0;36m301 |[0;0m
[0;36m302 |[0;0m         //Disable input mapping of CR to NL, mapping of NL into CR, and ignoring CR
[0;36m303 |[0;0m         settings.c_iflag &= ~tcflag_t(ICRNL | [4;39mINLCR[0;0m | IGNCR)
    [0;36m|[0;0m                                               `- [1;31merror: [1;39mcannot find 'INLCR' in scope[0;0m
[0;36m304 |[0;0m
[0;36m305 |[0;0m         // Set hardware flow control flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:303:55: [1;31merror: [1;39mcannot find 'IGNCR' in scope[0;0m
[0;36m301 |[0;0m
[0;36m302 |[0;0m         //Disable input mapping of CR to NL, mapping of NL into CR, and ignoring CR
[0;36m303 |[0;0m         settings.c_iflag &= ~tcflag_t(ICRNL | INLCR | [4;39mIGNCR[0;0m)
    [0;36m|[0;0m                                                       `- [1;31merror: [1;39mcannot find 'IGNCR' in scope[0;0m
[0;36m304 |[0;0m
[0;36m305 |[0;0m         // Set hardware flow control flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:323:40: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m321 |[0;0m
[0;36m322 |[0;0m         // Set software flow control flags
[0;36m323 |[0;0m         let softwareFlowControlFlags = [4;39mtcflag_t[0;0m(IXON | IXOFF | IXANY)
    [0;36m|[0;0m                                        `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m324 |[0;0m         if useSoftwareFlowControl {
[0;36m325 |[0;0m             settings.c_iflag |= softwareFlowControlFlags
/host/spi-builder-workspace/Sources/SwiftSerial.swift:323:49: [1;31merror: [1;39mcannot find 'IXON' in scope[0;0m
[0;36m321 |[0;0m
[0;36m322 |[0;0m         // Set software flow control flags
[0;36m323 |[0;0m         let softwareFlowControlFlags = tcflag_t([4;39mIXON[0;0m | IXOFF | IXANY)
    [0;36m|[0;0m                                                 `- [1;31merror: [1;39mcannot find 'IXON' in scope[0;0m
[0;36m324 |[0;0m         if useSoftwareFlowControl {
[0;36m325 |[0;0m             settings.c_iflag |= softwareFlowControlFlags
/host/spi-builder-workspace/Sources/SwiftSerial.swift:323:56: [1;31merror: [1;39mcannot find 'IXOFF' in scope[0;0m
[0;36m321 |[0;0m
[0;36m322 |[0;0m         // Set software flow control flags
[0;36m323 |[0;0m         let softwareFlowControlFlags = tcflag_t(IXON | [4;39mIXOFF[0;0m | IXANY)
    [0;36m|[0;0m                                                        `- [1;31merror: [1;39mcannot find 'IXOFF' in scope[0;0m
[0;36m324 |[0;0m         if useSoftwareFlowControl {
[0;36m325 |[0;0m             settings.c_iflag |= softwareFlowControlFlags
/host/spi-builder-workspace/Sources/SwiftSerial.swift:323:64: [1;31merror: [1;39mcannot find 'IXANY' in scope[0;0m
[0;36m321 |[0;0m
[0;36m322 |[0;0m         // Set software flow control flags
[0;36m323 |[0;0m         let softwareFlowControlFlags = tcflag_t(IXON | IXOFF | [4;39mIXANY[0;0m)
    [0;36m|[0;0m                                                                `- [1;31merror: [1;39mcannot find 'IXANY' in scope[0;0m
[0;36m324 |[0;0m         if useSoftwareFlowControl {
[0;36m325 |[0;0m             settings.c_iflag |= softwareFlowControlFlags
/host/spi-builder-workspace/Sources/SwiftSerial.swift:331:29: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m329 |[0;0m
[0;36m330 |[0;0m         // Turn on the receiver of the serial port, and ignore modem control lines
[0;36m331 |[0;0m         settings.c_cflag |= [4;39mtcflag_t[0;0m(CREAD | CLOCAL)
    [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
/host/spi-builder-workspace/Sources/SwiftSerial.swift:331:38: [1;31merror: [1;39mcannot find 'CREAD' in scope[0;0m
[0;36m329 |[0;0m
[0;36m330 |[0;0m         // Turn on the receiver of the serial port, and ignore modem control lines
[0;36m331 |[0;0m         settings.c_cflag |= tcflag_t([4;39mCREAD[0;0m | CLOCAL)
    [0;36m|[0;0m                                      `- [1;31merror: [1;39mcannot find 'CREAD' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
/host/spi-builder-workspace/Sources/SwiftSerial.swift:331:46: [1;31merror: [1;39mcannot find 'CLOCAL' in scope[0;0m
[0;36m329 |[0;0m
[0;36m330 |[0;0m         // Turn on the receiver of the serial port, and ignore modem control lines
[0;36m331 |[0;0m         settings.c_cflag |= tcflag_t(CREAD | [4;39mCLOCAL[0;0m)
    [0;36m|[0;0m                                              `- [1;31merror: [1;39mcannot find 'CLOCAL' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
/host/spi-builder-workspace/Sources/SwiftSerial.swift:334:30: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
[0;36m334 |[0;0m         settings.c_lflag &= ~[4;39mtcflag_t[0;0m(ICANON | ECHO | ECHOE | ISIG)
    [0;36m|[0;0m                              `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m335 |[0;0m
[0;36m336 |[0;0m         // Set output processing flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:334:39: [1;31merror: [1;39mcannot find 'ICANON' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
[0;36m334 |[0;0m         settings.c_lflag &= ~tcflag_t([4;39mICANON[0;0m | ECHO | ECHOE | ISIG)
    [0;36m|[0;0m                                       `- [1;31merror: [1;39mcannot find 'ICANON' in scope[0;0m
[0;36m335 |[0;0m
[0;36m336 |[0;0m         // Set output processing flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:334:48: [1;31merror: [1;39mcannot find 'ECHO' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
[0;36m334 |[0;0m         settings.c_lflag &= ~tcflag_t(ICANON | [4;39mECHO[0;0m | ECHOE | ISIG)
    [0;36m|[0;0m                                                `- [1;31merror: [1;39mcannot find 'ECHO' in scope[0;0m
[0;36m335 |[0;0m
[0;36m336 |[0;0m         // Set output processing flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:334:55: [1;31merror: [1;39mcannot find 'ECHOE' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
[0;36m334 |[0;0m         settings.c_lflag &= ~tcflag_t(ICANON | ECHO | [4;39mECHOE[0;0m | ISIG)
    [0;36m|[0;0m                                                       `- [1;31merror: [1;39mcannot find 'ECHOE' in scope[0;0m
[0;36m335 |[0;0m
[0;36m336 |[0;0m         // Set output processing flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:334:63: [1;31merror: [1;39mcannot find 'ISIG' in scope[0;0m
[0;36m332 |[0;0m
[0;36m333 |[0;0m         // Turn off canonical mode
[0;36m334 |[0;0m         settings.c_lflag &= ~tcflag_t(ICANON | ECHO | ECHOE | [4;39mISIG[0;0m)
    [0;36m|[0;0m                                                               `- [1;31merror: [1;39mcannot find 'ISIG' in scope[0;0m
[0;36m335 |[0;0m
[0;36m336 |[0;0m         // Set output processing flag
/host/spi-builder-workspace/Sources/SwiftSerial.swift:338:33: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m336 |[0;0m         // Set output processing flag
[0;36m337 |[0;0m         if processOutput {
[0;36m338 |[0;0m             settings.c_oflag |= [4;39mtcflag_t[0;0m(OPOST)
    [0;36m|[0;0m                                 `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m339 |[0;0m         } else {
[0;36m340 |[0;0m             settings.c_oflag &= ~tcflag_t(OPOST)
/host/spi-builder-workspace/Sources/SwiftSerial.swift:338:42: [1;31merror: [1;39mcannot find 'OPOST' in scope[0;0m
[0;36m336 |[0;0m         // Set output processing flag
[0;36m337 |[0;0m         if processOutput {
[0;36m338 |[0;0m             settings.c_oflag |= tcflag_t([4;39mOPOST[0;0m)
    [0;36m|[0;0m                                          `- [1;31merror: [1;39mcannot find 'OPOST' in scope[0;0m
[0;36m339 |[0;0m         } else {
[0;36m340 |[0;0m             settings.c_oflag &= ~tcflag_t(OPOST)
/host/spi-builder-workspace/Sources/SwiftSerial.swift:340:34: [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m338 |[0;0m             settings.c_oflag |= tcflag_t(OPOST)
[0;36m339 |[0;0m         } else {
[0;36m340 |[0;0m             settings.c_oflag &= ~[4;39mtcflag_t[0;0m(OPOST)
    [0;36m|[0;0m                                  `- [1;31merror: [1;39mcannot find 'tcflag_t' in scope[0;0m
[0;36m341 |[0;0m         }
[0;36m342 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:340:43: [1;31merror: [1;39mcannot find 'OPOST' in scope[0;0m
[0;36m338 |[0;0m             settings.c_oflag |= tcflag_t(OPOST)
[0;36m339 |[0;0m         } else {
[0;36m340 |[0;0m             settings.c_oflag &= ~tcflag_t([4;39mOPOST[0;0m)
    [0;36m|[0;0m                                           `- [1;31merror: [1;39mcannot find 'OPOST' in scope[0;0m
[0;36m341 |[0;0m         }
[0;36m342 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:354:9: [1;31merror: [1;39mcannot find 'specialCharacters' in scope[0;0m
[0;36m352 |[0;0m     #endif
[0;36m353 |[0;0m
[0;36m354 |[0;0m         [4;39mspecialCharacters[0;0m.VMIN = cc_t(minimumBytesToRead)
    [0;36m|[0;0m         `- [1;31merror: [1;39mcannot find 'specialCharacters' in scope[0;0m
[0;36m355 |[0;0m         specialCharacters.VTIME = cc_t(timeout)
[0;36m356 |[0;0m         settings.c_cc = specialCharacters
/host/spi-builder-workspace/Sources/SwiftSerial.swift:354:34: [1;31merror: [1;39mcannot find 'cc_t' in scope[0;0m
[0;36m352 |[0;0m     #endif
[0;36m353 |[0;0m
[0;36m354 |[0;0m         specialCharacters.VMIN = [4;39mcc_t[0;0m(minimumBytesToRead)
    [0;36m|[0;0m                                  `- [1;31merror: [1;39mcannot find 'cc_t' in scope[0;0m
[0;36m355 |[0;0m         specialCharacters.VTIME = cc_t(timeout)
[0;36m356 |[0;0m         settings.c_cc = specialCharacters
/host/spi-builder-workspace/Sources/SwiftSerial.swift:355:9: [1;31merror: [1;39mcannot find 'specialCharacters' in scope[0;0m
[0;36m353 |[0;0m
[0;36m354 |[0;0m         specialCharacters.VMIN = cc_t(minimumBytesToRead)
[0;36m355 |[0;0m         [4;39mspecialCharacters[0;0m.VTIME = cc_t(timeout)
    [0;36m|[0;0m         `- [1;31merror: [1;39mcannot find 'specialCharacters' in scope[0;0m
[0;36m356 |[0;0m         settings.c_cc = specialCharacters
[0;36m357 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:355:35: [1;31merror: [1;39mcannot find 'cc_t' in scope[0;0m
[0;36m353 |[0;0m
[0;36m354 |[0;0m         specialCharacters.VMIN = cc_t(minimumBytesToRead)
[0;36m355 |[0;0m         specialCharacters.VTIME = [4;39mcc_t[0;0m(timeout)
    [0;36m|[0;0m                                   `- [1;31merror: [1;39mcannot find 'cc_t' in scope[0;0m
[0;36m356 |[0;0m         settings.c_cc = specialCharacters
[0;36m357 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:356:25: [1;31merror: [1;39mcannot find 'specialCharacters' in scope[0;0m
[0;36m354 |[0;0m         specialCharacters.VMIN = cc_t(minimumBytesToRead)
[0;36m355 |[0;0m         specialCharacters.VTIME = cc_t(timeout)
[0;36m356 |[0;0m         settings.c_cc = [4;39mspecialCharacters[0;0m
    [0;36m|[0;0m                         `- [1;31merror: [1;39mcannot find 'specialCharacters' in scope[0;0m
[0;36m357 |[0;0m
[0;36m358 |[0;0m         // Commit settings
/host/spi-builder-workspace/Sources/SwiftSerial.swift:359:9: [1;31merror: [1;39mcannot find 'tcsetattr' in scope[0;0m
[0;36m357 |[0;0m
[0;36m358 |[0;0m         // Commit settings
[0;36m359 |[0;0m         [4;39mtcsetattr[0;0m(fileDescriptor, TCSANOW, &settings)
    [0;36m|[0;0m         `- [1;31merror: [1;39mcannot find 'tcsetattr' in scope[0;0m
[0;36m360 |[0;0m     }
[0;36m361 |[0;0m
/host/spi-builder-workspace/Sources/SwiftSerial.swift:359:35: [1;31merror: [1;39mcannot find 'TCSANOW' in scope[0;0m
[0;36m357 |[0;0m
[0;36m358 |[0;0m         // Commit settings
[0;36m359 |[0;0m         tcsetattr(fileDescriptor, [4;39mTCSANOW[0;0m, &settings)
    [0;36m|[0;0m                                   `- [1;31merror: [1;39mcannot find 'TCSANOW' in scope[0;0m
[0;36m360 |[0;0m     }
[0;36m361 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/SwiftSerial.swift -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftSerial -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/Objects-normal/wasm32/SwiftSerial_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/Objects-normal/wasm32/Modules/SwiftSerial.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/Objects-normal/wasm32/Modules/SwiftSerial.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/Objects-normal/wasm32/SwiftSerial-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/Objects-normal/wasm32/SwiftSerial-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/Objects-normal/wasm32/SwiftSerial-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSerial.build/Debug-webassembly-wasm32/SwiftSerial-t.build/Objects-normal/wasm32/Modules/SwiftSerial.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm