The skiakit from ungast

Getting "Library not found for -lskia_skiakit" on build

Thanks for wrapping Skia into an easy to use package.
I'm trying to build it using for simulator or iOS device:

m1 mac
Xcode 14.2 not under Rosetta with new build system
And always getting this:

I've tried to link the library directly to the app, but it doesn't help either. Hope you can shed the light on what could be the reason for this?

Missing sk_get_binary_c_api_version on linux

Hello. After downloading the pre-built library all linkage errors went away except one:

error: link command failed with exit code 1 (use -v to see invocation)
/home/rd/src/self/timeline/.build/x86_64-unknown-linux-gnu/debug/SkiaKit.build/SkiaCApiVersion.swift.o:SkiaCApiVersion.swift.o:function $s7SkiaKit0A11CApiVersionC09getBinaryD0s5Int32VyFZ: error: undefined reference to 'sk_get_binary_c_api_version'
clang-13: error: linker command failed with exit code 1 (use -v to see invocation)

If I comment it, it does build and run successfully.

Build errors on macOS

Your SkiaKit library does not seem to include an arm64 version of the skia library, so I attempted to build it on my own.
Looks like it doesn't work on my machine, when trying to compile (on arm64). To me, it doesn't seem like that the error shown below has anything to do with the arm architecture, but rather comes from a misconfigured build. Could you maybe give some more information on how you managed to build your skia binary?

This is how I attempted to build the skia library:

Running this:

bin/gn gen out/release \
    --args='is_debug=false
            is_official_build=true
            skia_use_system_expat=false
            skia_use_system_icu=false
            skia_use_system_libjpeg_turbo=false 
            skia_use_system_libpng=false
            skia_use_system_libwebp=false
            skia_use_system_zlib=false
            skia_use_sfntly=false
            skia_use_freetype=true
            skia_use_harfbuzz=false
            skia_pdf_subset_harfbuzz=false
            skia_use_system_freetype2=false
            skia_use_system_harfbuzz=false
            target_cpu="arm64"
            extra_cflags=["-DHAVE_GETRANDOM", "-DHAVE_XLOCALE_H"]
            extra_cflags_cc=["-frtti"]'

already gives me the following warning message:

WARNING at the command-line "--args":14:38: Build argument has no effect.
            skia_use_system_harfbuzz=false
                                     ^----
The variable "skia_use_system_harfbuzz" was set as a build argument
but never appeared in a declare_args() block in any buildfile.

To view all possible args, run "gn args --list <out_dir>"

The build continued as if that argument was unspecified.

Done. Made 56 targets from 39 files in 817ms

Trying to compile everything with ninja -C out/release gives the following output:

ninja: Entering directory `out/release'
[1/1184] compile ../../third_party/externals/harfbuzz/src/hb-subset-cff1.cc
FAILED: obj/third_party/externals/harfbuzz/src/libHarfBuzzSharp.hb-subset-cff1.o 
c++ -MD -MF obj/third_party/externals/harfbuzz/src/libHarfBuzzSharp.hb-subset-cff1.o.d -DHAVE_FT_GET_VAR_BLEND_COORDINATES -DHAVE_FT_SET_VAR_BLEND_COORDINATES -DHAVE_GETPAGESIZE -DHAVE_INTEL_ATOMIC_PRIMITIVES -DHAVE_MMAP -DHAVE_MPROTECT -DHAVE_NEWLOCALE -DHAVE_PTHREAD -DHAVE_STRTOD_L -DHAVE_SYSCONF -DHAVE_SYS_MMAN_H -DHAVE_UNISTD_H -DNDEBUG  -fno-threadsafe-statics -fPIC -fstrict-aliasing -fvisibility=hidden -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk -O3 -fdata-sections -ffunction-sections -Wno-unused-parameter -DHAVE_GETRANDOM -DHAVE_XLOCALE_H -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -frtti -c ../../third_party/externals/harfbuzz/src/hb-subset-cff1.cc -o obj/third_party/externals/harfbuzz/src/libHarfBuzzSharp.hb-subset-cff1.o
../../third_party/externals/harfbuzz/src/hb-subset-cff1.cc:472:33: error: variable 'supp_size' set but not used [-Werror,-Wunused-but-set-variable]
    unsigned int  size0, size1, supp_size;
                                ^
1 error generated.
[10/1184] compile ../../src/gpu/GrLegacyDirectContext.cpp
ninja: build stopped: subcommand failed.

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Getting "Library not found for -lskia_skiakit" on build

Missing sk_get_binary_c_api_version on linux

Build errors on macOS

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