Re: Can I use the g++ compiler with xcode?
Re: Can I use the g++ compiler with xcode?
- Subject: Re: Can I use the g++ compiler with xcode?
- From: Chris Espinosa <email@hidden>
- Date: Mon, 7 Jun 2004 23:23:13 -0700
On Jun 7, 2004, at 10:13 PM, Creed Erickson wrote:
On Monday, June 7, 2004, at 08:39 PM, Cath Lawrence wrote:
- I could make gcc point to g++ (seems very obscure, I don't like it)
Don't do that. That class of hackery has a tendency to hurt.
- you can make gcc act like g++ with the right switches (which??)
Use -x <language>, as in:
gcc -x c++ -o hello hello.c
gcc is the GNU Compiler Collection, of which g++ is the C++ compiler.
See the g++ man page in Mac OS X:
Note: In Apple's version of GCC, both cc and gcc are actually symbolic
links to gcc-3.3, while c++ and g++ are links to g++-3.3, unless the
gcc_select(1) command has been used to point them at another compiler
version.
Compiling C++ Programs
C++ source files conventionally use one of the suffixes .C, .cc,
.cpp,
.CPP, .c++, .cp, or .cxx; C++ header files often use .hh or .H;
prepro-
cessed C++ files use the suffix .ii. GCC recognizes files with
these
names and compiles them as C++ programs even if you call the
compiler
the same way as for compiling C programs (usually with the name
gcc).
However, C++ programs often require class libraries as well as a
com-
piler that understands the C++ language---and under some
circumstances,
you might want to compile programs or header files from standard
input,
or otherwise without a suffix that flags them as C++ programs.
You
might also like to precompile a C header file with a .h
extension to be
used in C++ compilations. g++ is a program that calls GCC with
the
default language set to C++, and automatically specifies linking
against the C++ library. On many systems, g++ is also installed
with
the name c++.
When you compile C++ programs, you may specify many of the same
com-
mand-line options that you use for compiling programs in any
language;
or command-line options meaningful for C and related languages;
or
options that are meaningful only for C++ programs.
Just use Xcode. In the majority of cases it will do the right thing.
If you really want to put C++ code in a .c file, use the -x option
described above
You can also set the Build Rules filetype by filetype in a target with
the Target Inspector's Rules pane. You may specify there to use g++
instead of gcc for .c files, but then again, you really will be using
the same compiler, really.
Chris Espinosa
Apple
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