SwiftPlot – Build Information – Swift Package Index

Build Information

Failed to build SwiftPlot, reference 2.0.0 (c5424e), with Swift 6.4 for macOS (SPM) on 19 Sep 2026 13:29:59 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/KarthikRIyer/swiftplot.git
Reference: 2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/KarthikRIyer/swiftplot
 * tag               2.0.0      -> FETCH_HEAD
HEAD is now at c5424eb Bump version number in README.md
Cloned https://github.com/KarthikRIyer/swiftplot.git
Revision (git rev-parse @):
c5424eb8688217029d44e941d3a1d2ccc18c3a82
SUCCESS checkout https://github.com/KarthikRIyer/swiftplot.git at 2.0.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/KarthikRIyer/swiftplot.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 361]
[Planning deferred tasks]
[57 / 138]
[68 / 139] SwiftPlot
[72 / 148] AGG
[78 / 148] AGG
[81 / 148] AGG
[90 / 148] AGG
[95 / 148] AGG
warning: 'spi-builder-workspace': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'spi-builder-workspace': you may be able to install freetype2 using your system-packager:
    brew install freetype2
[1m/Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_rbox_ctrl.cpp:61:54: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
   61 |             m_items[m_num_items].resize(strlen(text) + [0;32m1[0m);[0m
      | [0;1;32m                                 ~~~~~~ ~~~~~~~~~~~~~^~~
[0m1 warning generated.
[1m/Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_slider_ctrl.cpp:106:28: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
  106 |             [0;34munsigned[0m len = strlen(fmt);[0m
      | [0;1;32m                     ~~~   ^~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_slider_ctrl.cpp:165:17: [0m[0;1;35mwarning: [0m[1m'sprintf' is deprecated: This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of sprintf(3), it is highly recommended that you use snprintf(3) instead. [-Wdeprecated-declarations][0m
  165 |                 sprintf(buf, m_label, value());[0m
      | [0;1;32m                ^
[0mIn file included from /Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_slider_ctrl.cpp:21:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/c++/v1/stdio.h:104:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/stdio.h:61:
[1m/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/_stdio.h:278:1: [0m[0;1;36mnote: [0m'sprintf' has been explicitly marked deprecated here[0m
  278 | __deprecated_msg([0;32m"This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of sprintf(3), it is highly recommended that you use snprintf(3) instead."[0m)[0m
      | [0;1;32m^
[0mIn file included from /Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_slider_ctrl.cpp:20:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/c++/v1/string.h:64:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/string.h:58:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/_string.h:61:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/_bounds.h:27:
[1m/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/sys/cdefs.h:227:48: [0m[0;1;36mnote: [0mexpanded from macro '__deprecated_msg'[0m
  227 |         #define __deprecated_msg(_msg) [0;34m__attribute__[0m((__deprecated__(_msg)))[0m
      | [0;1;32m                                                      ^
[0m2 warnings generated.
[1m/Users/admin/builder/spi-builder-workspace/Sources/AGG/agg_gsv_text.cpp:553:19: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'long' to 'unsigned int' [-Wshorten-64-to-32][0m
  553 |             len = std::ftell(fd);[0m
      | [0;1;32m                ~ ^~~~~~~~~~~~~~
[0m[1m/Users/admin/builder/spi-builder-workspace/Sources/AGG/agg_gsv_text.cpp:576:47: [0m[0;1;35mwarning: [0m[1mimplicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'unsigned int' [-Wshorten-64-to-32][0m
  576 |         [0;34munsigned[0m new_size = std::strlen(text) + [0;32m1[0m;[0m
      | [0;1;32m                 ~~~~~~~~   ~~~~~~~~~~~~~~~~~~^~~
[0m2 warnings generated.
[1m/Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_gamma_ctrl.cpp:243:13: [0m[0;1;35mwarning: [0m[1m'sprintf' is deprecated: This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of sprintf(3), it is highly recommended that you use snprintf(3) instead. [-Wdeprecated-declarations][0m
  243 |             sprintf(tbuf, [0;32m"%5.3f %5.3f %5.3f %5.3f"[0m, kx1, ky1, kx2, ky2);[0m
      | [0;1;32m            ^
[0mIn file included from /Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_gamma_ctrl.cpp:20:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/c++/v1/stdio.h:104:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/stdio.h:61:
[1m/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/_stdio.h:278:1: [0m[0;1;36mnote: [0m'sprintf' has been explicitly marked deprecated here[0m
  278 | __deprecated_msg([0;32m"This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of sprintf(3), it is highly recommended that you use snprintf(3) instead."[0m)[0m
      | [0;1;32m^
[0mIn file included from /Users/admin/builder/spi-builder-workspace/Sources/AGG/ctrl/agg_gamma_ctrl.cpp:20:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/c++/v1/stdio.h:104:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/stdio.h:61:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/_stdio.h:69:
In file included from /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/_bounds.h:27:
[1m/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/usr/include/sys/cdefs.h:227:48: [0m[0;1;36mnote: [0mexpanded from macro '__deprecated_msg'[0m
  227 |         #define __deprecated_msg(_msg) [0;34m__attribute__[0m((__deprecated__(_msg)))[0m
      | [0;1;32m                                                      ^
[0m1 warning generated.
In file included from /Users/admin/builder/spi-builder-workspace/Sources/AGG/agg_font_freetype.cpp:19:
[1m/Users/admin/builder/spi-builder-workspace/Sources/AGG/include/agg_font_freetype.h:23:10: [0m[0;1;31mfatal error: [0m[1m'ft2build.h' file not found[0m
   23 | #include <ft2build.h>[0m
      | [0;1;32m         ^~~~~~~~~~~~
[0m1 error generated.
error: CompileC /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftPlot.build/Debug/AGG-t.build/Objects-normal/arm64/agg_font_freetype.o /Users/admin/builder/spi-builder-workspace/Sources/AGG/agg_font_freetype.cpp normal arm64 c++ com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /Users/admin/builder

    Using response file: /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftPlot.build/Debug/AGG-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp

    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c++ -ivfsstatcache /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -target arm64-apple-macos12.0 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -fmodules-prune-interval\=86400 -fmodules-prune-after\=345600 -fbuild-session-file\=/Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror\=non-modular-include-in-framework-module -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wshorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -Wno-implicit-fallthrough -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -Wno-sign-conversion -Wno-infinite-recursion -Wno-move -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-range-loop-analysis -Wno-semicolon-before-method-body -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftPlot.build/Debug/AGG-t.build/Objects-normal/arm64/82b82416624d2658e5098eb0a28c15c5-common-args.resp -MMD -MT dependencies -MF /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftPlot.build/Debug/AGG-t.build/Objects-normal/arm64/agg_font_freetype.d --serialize-diagnostics /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftPlot.build/Debug/AGG-t.build/Objects-normal/arm64/agg_font_freetype.dia -c /Users/admin/builder/spi-builder-workspace/Sources/AGG/agg_font_freetype.cpp -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftPlot.build/Debug/AGG-t.build/Objects-normal/arm64/agg_font_freetype.o -index-unit-output-path /SwiftPlot.build/Debug/AGG-t.build/Objects-normal/arm64/agg_font_freetype.o
error: Build failed
BUILD FAILURE 6.4 macosSpm