Issues building on OS X

[programmarchy]

I was able to compile successfully on OS X but ran into some issues, so thought I would document them here.

First, I installed libcrypto and libevent using homebrew:

brew install openssl
brew install libevent

Which installs to /usr/local

Here's how I configure and make:

CC=/usr/bin/gcc LDFLAGS="-L/usr/local/lib" CFLAGS="-I/usr/local/include" ./configure
CC=/usr/bin/gcc LFLAGS="-L/usr/local/lib" CFLAGS="-I/usr/local/include" make

Note: the second command requires LFLAGS instead of LDFLAGS, otherwise it fails here:

/usr/bin/gcc -L/opt/local/lib -L/usr/local/ssl/lib   -flat_namespace -dynamiclib -undefined dynamic_lookup -install_name @executable_path/libcbitcoin-network.2.0.dylib -o bin/libcbitcoin-network.2.0.dylib build/CBLibEventSockets.o build/CBCallbackQueue.o -levent_core

since the paths are hardcoded to /opt/local in the ./configure script, but my libraries reside in /usr/local and the ./configure script only looks in LDFLAGS, not LFLAGS, to test for the existence of libevent.

CONFIGFLAGS="-Wall -Wextra -Wno-uninitialized -Wno-pointer-to-int-cast -pedantic -std=gnu99 -D_GNU_SOURCE -I/opt/local/ssl/include -I/opt/local/include -I/usr/local/ssl/include"
CONFIGFLAGS+=" $CFLAGS"
CONFIGLFLAGS=" $LFLAGS"

I'm not very familiar with autoconf... but I suppose I could also edit the CONFIGFLAGS in configure.ac. Can I also add $LDFLAGS in addition to $LFLAGS? What's the difference?

After getting past setting correct lib and include paths, I failed here:

/usr/bin/gcc  build/CBRPCServer.o  build/asprintf.o  build/main.o -L/Users/Donald/Development/Repositories/cbitcoin/bin -Wl,-rpath=/Users/Donald/Development/Repositories/cbitcoin/bin -lcbitcoin.2.0 -lcbitcoin-network.2.0 -lcbitcoin-storage.2.0 -lcbitcoin-threads.2.0 -lpthread -lcbitcoin-logging.2.0 -lcbitcoin-crypto.2.0 -lcrypto -lcbitcoin.2.0 -lcbitcoin-file-ec.2.0 -lcbitcoin-rand.2.0 -L/opt/local/lib -levent_core -levent_pthreads -o bin/cbitcoin

ld: unknown option: -rpath=/Users/Donald/Development/Repositories/cbitcoin/bin

I found out that Apple's gcc compiler does not support -rpath, but you can instead use:

DYLD_LIBRARY_PATH=$(BINDIR)

More info here: https://dev.lsstcorp.org/trac/wiki/LinkingDarwin

After that, everything compiles!

[MatthewLM]

Thanks for this information. I'll get my Mac out and see what changes I can make to the Makefile to get it working. Hopefully tomorrow if I get chance.