Compiling simple Hello World program on OS X via command line

Question

I ve got a simple hello world example that I m trying to compile on OS X  named hw cpp    include  lt iostream gt   include  lt string gt  using namespace std  int main       cout  lt  lt   Hello world    lt  lt  endl    return 0      I d like to compile it using gcc  but I ve had no success  I d also like to hear the other options  like using Xcode

User · Answer

user host gt  g   hw cpp user host gt    a out

User · Answer

You didn t specify what the error you re seeing is   Is the problem that gcc is giving you an error  or that you can t run gcc at all   If it s the latter  the most likely explanation is that you didn t check  UNIX Development Support  when you installed the development tools  so the command-line executables aren t installed in your path   Re-install the development tools  and make sure to click  customize  and check that box

User · Answer

g   hw cpp -o hw   hw

User · Answer

Use the following for multiple  cpp files  g     cpp   a out

User · Answer

The new version of this should read like so   xcrun g   hw cpp   a out

User · Answer

Compiling it with gcc requires you to pass a number of command line options  Compile it with g   instead

User · Answer

Try  g   hw cpp   a out   g   is the C   compiler frontend to GCC  gcc is the C compiler frontend to GCC   Yes  Xcode is definitely an option  It is a GUI IDE that is built on-top of GCC   Though I prefer a slightly more verbose approach    include  lt iostream gt   int main         std  cout  lt  lt   Hello world    lt  lt  std  endl

User · Answer

Also  you can use an IDE like CLion  JetBrains  or a text editor like Atom  with the gpp-compiler plugin  works like a charm  F5 to compile  amp  execute

[c++] Compiling simple Hello World program on OS X via command line

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