JonathanHammer2 commented 1 year ago

Hello, I'm having trouble when it tries to link. Please help.

I tried installing Xcode; this is the version I get:

Apple clang version 14.0.0 (clang-1400.0.29.202) Target: x86_64-apple-darwin21.6.0 Thread model: posix InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

This is the error I get:

(base) cycloastro@Lindas-MBP simplest % make
Compiling shared library librebound.so ... /Applications/Xcode.app/Contents/Developer/usr/bin/make -C ../../src/

Linking share library librebound.so ... cc -std=c99 -Wpointer-arith -D_GNU_SOURCE -O3 -I/usr/local/include -Wall -g -Wno-unknown-pragmas -fPIC -DLIBREBOUND -shared rebound.o tree.o particle.o gravity.o integrator.o integrator_whfast.o integrator_saba.o integrator_ias15.o integrator_sei.o integrator_bs.o integrator_leapfrog.o integrator_mercurius.o integrator_eos.o integrator_tes.o boundary.o input.o binarydiff.o output.o collision.o communication_mpi.o display.o tools.o rotations.o derivatives.o simulationarchive.o glad.o integrator_janus.o transformations.o -L/usr/local/lib -o librebound.so Undefined symbols for architecture x86_64: "_reb_display_init", referenced from: _reb_integrate in rebound.o (maybe you meant: _reb_display_init_data) ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation) make[1]: [librebound.so] Error 1 make: [librebound] Error 2

hannorein commented 1 year ago

Could you try running

make clean
make

JonathanHammer2 commented 1 year ago

That seemed to work.

Thank you.

From: Hanno Rein @.> Date: Wednesday, March 1, 2023 at 10:57 AM To: hannorein/rebound @.> Cc: Jonathan Hammer @.>, Author @.> Subject: Re: [hannorein/rebound] Getting error when running makefile on Mac (Issue #663)

Could you try running

make clean

make

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hannorein commented 1 year ago

Glad it worked. This error occurred because you probably tried some example with OpenGL Visualizations turned on and some with them turned off.

JonathanHammer2 commented 1 year ago

Hello again,

Simplest worked fine, but I tried making the solar system example and it crashed. I tried “make clear” again and it still crashed.

Also I’m curious as to what units are being used for position and velocity in the solar system C file? They don’t look anything like what I see on NASA’s Horizon. Thanks very much.

Here’s the output:

Compiling problem file ...

cc -I../../src/ -Wl,-rpath,./ -std=c99 -Wpointer-arith -D_GNU_SOURCE -O3 -I/usr/local/include -Wall -g -I/opt/homebrew/include -L/opt/homebrew/lib -Wno-unknown-pragmas -D_APPLE -DOPENGL -DGITHASH=0000000000gitnotfound0000000000000000000 problem.c -L. -lrebound -L/usr/local/lib -lglfw -framework Cocoa -framework OpenGL -framework IOKit -framework CoreVideo -o rebound

ld: warning: directory not found for option '-L/opt/homebrew/lib'

ld: library not found for -lglfw

clang: error: linker command failed with exit code 1 (use -v to see invocation)

make: *** [all] Error 1

(base) @.*** solar_system % make clean

Cleaning up shared library librebound.so ...

/Applications/Xcode.app/Contents/Developer/usr/bin/make -C ../../src/ clean

Removing object files *.o ...

Removing shared library librebound.so ...

Removing coverage files ...

Cleaning up local directory ...

(base) @.*** solar_system % ls

Makefile problem.c

(base) @.*** solar_system % make

Compiling shared library librebound.so ...

/Applications/Xcode.app/Contents/Developer/usr/bin/make -C ../../src/