using C++ code in XCode

Question

I tried to import a C++ library into XCode, I renamed the .cpp to .mm but when I try to compile it shows me errors like this:

DateOps.h:23: error: expected '=', ',', ';', 'asm' or '_attribute_' before 'DateOps'

start of DateOps.h file

#if !defined( DATE_OPS__H )
#define DATE_OPS__H

typedef int MonthDays[13];

typedef long YearEndDays[2];

class DateOps {
public:
  enum CalendarType {
    T_GREGORIAN = 0,
    T_JULIAN = 1,
  };

...

Show us the start of DateOps.h and also how you are including it. — trojanfoe
– trojanfoe, Commented May 15, 2012 at 14:59

Community · Accepted Answer · 2017-05-23 12:04:51Z

1

If you only have to compile a couple files as Objective-C++, then the answer that WrightsCS gave will work fine. However, if you have lots of files to compile this way, or think your project will get bigger in the future, you can change the compilation language for all files:

Go to the Build Settings for your target, look under the Language section for a setting called Compile Sources As. Usually it is set to "According to File Type" (which should work with the .mm extension, but I've seen bugs where it still compiles as Objective-C before). You can force it to "Objective-C++" by changing this setting.

edited May 23, 2017 at 12:04

CommunityBot

11 silver badge

answered May 15, 2012 at 15:05

inspector-g

4,1862 gold badges26 silver badges33 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

WrightsCS · Accepted Answer · 2012-05-15 14:57:01Z

0

You need to set -x objective-c++ as a Compiler Flag on the .mm file you are referring to.

enter image description here

answered May 15, 2012 at 14:57

WrightsCS

50.7k23 gold badges139 silver badges188 bronze badges

1 Comment

trojanfoe Over a year ago

I didn't have to do that and all my source files are Objective-C++.

Collectives™ on Stack Overflow

using C++ code in XCode

2 Answers 2

Comments

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related