Can't build in Simulator on m1? Need arm64 architecture

[bryan1anderson]

Is there a way to build this out for simulator on m1? I can't figure out how to get the correct slice for simulator arm 64 architecture for our XCFramework

[ferencIOS]

@bryan1anderson

I solved this way:

STEP 1 (j2objc proj)

git clone https://github.com/google/j2objc.git
cd j2objc
git checkout 4adbb2ddc7c542431902ee14e77256ba7808923d

STEP 2 (java)
Then from Oracle took the jdk-11.0.17_macos-aarch64_bin.dmg, install it!

Open your bash/zsh file and put

export JAVA_HOME=`/usr/libexec/java_home -v 11`

(you can check also here: Installation of the JDK on macOS)

STEP 3 (protobuf)
Update the command line and install protobuf as the j2objc guide show

STEP 4 (xcframeworks)
Run

make dist

you will find this path dist/frameworks

STEP 5 (optional)
In case of error run:

make clean

and then retry STEP 4

I did it on my m1 macOS 13.0.1 (22A400)

[waelsaad]

Hi, I have a Macbook Pro M3 Max and with v2.8 when I try to run an example project I keep getting:-

Building for 'iOS-simulator', but linking in object file (/Frameworks/j2objc/j2objc/lib/libjre_emul.a[arm64][2](ErrnoException.o)) built for 'iOS'

I am trying to compile j2objc I followed all steps. For me before make dist I had to do brew install mavenperhaps the steps above needs to be updated. After compiling for a while it built j2objc and j2objcc and some frameworks and libs but not everything as I ran into the following:-

FYI, As mentioned above I did git checkout 4adbb2d

compiling /Frameworks/j2objc/j2objc-3.0.0/j2objc/guava/build_result/objc/com/google/common/collect/GeneralRange.m /Frameworks/j2objc/j2objc-3.0.0/j2objc/guava/build_result/objc/com/google/common/collect/GeneralRange.m:381:66: error: use of bitwise '|' with boolean operands [-Werror,-Wbitwise-instead-of-logical] ComGoogleCommonBasePreconditions_checkArgumentWithBoolean_((lowerBoundType != JreLoadEnum(ComGoogleCommonCollectBoundType, OPEN)) | (upperBoundType != JreLoadEnum(ComGoogleCommonCollectBoundType, OPEN))); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ || /Frameworks/j2objc/j2objc-3.0.0/j2objc/guava/build_result/objc/com/google/common/collect/GeneralRange.m:381:66: note: cast one or both operands to int to silence this warning 1 error generated. make[2]: *** [/Frameworks/j2objc/j2objc-3.0.0/j2objc/guava/build_result/objs-iphone64/com/google/common/collect/GeneralRange.o] Error 1 make[1]: *** [framework_jre] Error 2 make: *** [guava_dist] Error 2
cc @tomball