Mac osx clang error

[Nicholas Pezolano]

Hi David,

Not sure if this is the right place to report a bug, seems clang didn’t like one of the flags used. -fno-var-tracking-assignments

A simple solution is to set ARCHFLAGS="-Wno-error=unused-command-line-argument-hard-error-in-future”

libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I../include/fix8 -I/Users/n/lib/include -I../include -fno-var-tracking -fno-var-tracking-assignments -g -O2 -Wall -MT libmyfix_la-Myfix_classes.lo -MD -MP -MF .deps/libmyfix_la-Myfix_classes.Tpo -c Myfix_classes.cpp  -fno-common -DPIC -o .libs/libmyfix_la-Myfix_classes.o

clang: error: unknown argument: '-fno-var-tracking-assignments' [-Wunused-command-line-argument-hard-error-in-future]

clang: note: this will be a hard error (cannot be downgraded to a warning) in the future

make[1]: *** [libmyfix_la-Myfix_classes.lo] Error 1

make: *** [all-recursive] Error 1

Nicholass-MacBook-Air:fix8-1.1.0 n$ clang++ -v

Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)

Target: x86_64-apple-darwin13.1.0

Thread model: posix

Best,

Nicholas Pezolano

[dakka]

Venkat - any comments on this? I thought we had fixed this 1.1.0

/dfakka

[Venkat Bhamidipati]

Good day,

Looks like it is being compiled with g++?  This is fixed for clang++.

Try with 

CC=clang CXX=clang++ ./configure

Regards,

Venkat

[Venkat Bhamidipati]

David,

libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I../include/fix8 -I/Users/n/lib/include -I../include -fno-var-tracking -fno-var-tracking-assignments -g -O2 -Wall -MT libmyfix_la-Myfix_classes.lo -MD -MP -MF .deps/libmyfix_la-Myfix_classes.Tpo -c Myfix_classes.cpp  -fno-common -DPIC -o .libs/libmyfix_la-Myfix_classes.o

g++-4.2.1 on mac does not support -fno-var-tracking-assignments.

Attached patch enables the -fno-var-tracking-assignments only if the compiler supports it, I have tested with gcc-4.2.1 on mac and on linux with gcc-4.8.2.  I have also attached ax_check_compile_flag.m4 which needs to go in the m4 directory.

Please let me know if you want me to create a pull request.

Regards,

Venkat

[dakka]

Thanks Venkat. Will put this into fix8:dev now.