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Re: C++ preprocessor and multi-line string literals

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On 1/22/2020 1:07 PM, boltar@nowhere.org wrote:
>> And how is this 'c++' program related to the 'clang' program you used
>> for -v?
> fenris$ ls -l /usr/bin/c++
> lrwxr-xr-x  1 root  wheel  7 27 Sep  2018 /usr/bin/c++ -> clang++

You may want to check with
$ which c++

instead of ls, and
$ c++ -v

> 
>> gemma$ cat test1.cpp
>> #include <iostream>
>>
>> #define GLSL_COMMON_FUNC R"#(
>> float func(float f) {
>>          return 0.0;
>> }
>> )#"
>>
>> int main()
>> {
>>          std::cout << GLSL_COMMON_FUNC;
>> }
>> gemma$ clang++ test1.cpp
>> gemma$ ./a.out
>>
>> float func(float f) {
>>          return 0.0;
>> }
> fenris$ c++ test1.cpp

why not
$ clang++ test1.cpp


> test1.cpp:3:27: warning: missing terminating '"' character [-Winvalid-pp-token]
> #define GLSL_COMMON_FUNC R"#(
>                            ^
> test1.cpp:7:1: error: expected unqualified-id
> )#"
> ^
> test1.cpp:7:3: warning: missing terminating '"' character [-Winvalid-pp-token]
> )#"
>    ^
> 2 warnings and 1 error generated.
> fenris$

> Perhaps Apples version of Clang is different in some way, but regardless, it
> doesn't compile.

It compiles fine here too with clang 8.0.0, but fails with gcc 9.2

For some reason your compiler behaves differently than expected. You may 
want to know why (more than complaining about it).

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Thread

C++ preprocessor and multi-line string literals Paavo Helde <myfirstname@osa.pri.ee> - 2020-01-16 17:37 +0200
  Re: C++ preprocessor and multi-line string literals Öö Tiib <ootiib@hot.ee> - 2020-01-16 09:46 -0800
    Re: C++ preprocessor and multi-line string literals Manfred <noname@add.invalid> - 2020-01-16 22:49 +0100
      Re: C++ preprocessor and multi-line string literals Öö Tiib <ootiib@hot.ee> - 2020-01-16 14:43 -0800
        Re: C++ preprocessor and multi-line string literals Manfred <invalid@add.invalid> - 2020-01-17 01:24 +0100
          Re: C++ preprocessor and multi-line string literals Öö Tiib <ootiib@hot.ee> - 2020-01-16 16:38 -0800
            Re: C++ preprocessor and multi-line string literals Manfred <invalid@add.invalid> - 2020-01-17 03:27 +0100
  Re: C++ preprocessor and multi-line string literals legalize+jeeves@mail.xmission.com (Richard) - 2020-01-16 20:07 +0000
  Re: C++ preprocessor and multi-line string literals Juha Nieminen <nospam@thanks.invalid> - 2020-01-20 13:53 +0000
    Re: C++ preprocessor and multi-line string literals Paavo Helde <myfirstname@osa.pri.ee> - 2020-01-20 18:31 +0200
    Re: C++ preprocessor and multi-line string literals Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-20 18:19 +0100
      Re: C++ preprocessor and multi-line string literals Juha Nieminen <nospam@thanks.invalid> - 2020-01-21 08:24 +0000
        Re: C++ preprocessor and multi-line string literals boltar@nowhere.org - 2020-01-21 16:43 +0000
          Re: C++ preprocessor and multi-line string literals Paavo Helde <myfirstname@osa.pri.ee> - 2020-01-21 19:25 +0200
            Re: C++ preprocessor and multi-line string literals boltar@nowhere.org - 2020-01-22 09:58 +0000
              Re: C++ preprocessor and multi-line string literals guinness.tony@gmail.com - 2020-01-22 02:11 -0800
                Re: C++ preprocessor and multi-line string literals boltar@nowhere.org - 2020-01-22 10:24 +0000
                Re: C++ preprocessor and multi-line string literals James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-01-23 22:25 -0500
              Re: C++ preprocessor and multi-line string literals Paavo Helde <myfirstname@osa.pri.ee> - 2020-01-22 13:28 +0200
                Re: C++ preprocessor and multi-line string literals boltar@nowhere.org - 2020-01-22 12:07 +0000
                Re: C++ preprocessor and multi-line string literals Öö Tiib <ootiib@hot.ee> - 2020-01-22 05:33 -0800
                Re: C++ preprocessor and multi-line string literals boltar@nowhere.org - 2020-01-22 16:03 +0000
                Re: C++ preprocessor and multi-line string literals Öö Tiib <ootiib@hot.ee> - 2020-01-22 10:50 -0800
                Re: C++ preprocessor and multi-line string literals boltar@nowhere.org - 2020-01-23 09:22 +0000
                Re: C++ preprocessor and multi-line string literals Manfred <noname@add.invalid> - 2020-01-22 18:59 +0100
              Re: C++ preprocessor and multi-line string literals Juha Nieminen <nospam@thanks.invalid> - 2020-01-22 12:03 +0000

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