Re: test fails when no C++ compiler is available

[Jim Meyering]

Jim Meyering wrote:
> Hi Ralf,

Whoops.
This is for autoconf, but for automake.

> I've just built automake-from-git on a newly-installed system
> that lacked a C++ compiler.  It failed like this:
>
> 220: Multiple languages                              FAILED (compile.at:249)
> ...
>
>
>
> 220. compile.at:204: 220. Multiple languages (compile.at:204): FAILED 
> (compile.at:249)
>
> tests/testsuite.dir/220/config.log:
>
>   configure:2973: result: no
>   configure:3003: checking a simple C program that is not valid C++
>   configure:3018: gcc -c -g -O2  conftest.c >&5
>   configure:3018: $? = 0
>   configure:3019: result: ok
>   configure:3040: checking a simple C++ program that is not valid C
>   configure:3054: g++ -c   conftest.cpp >&5
>   ./configure: line 1401: g++: command not found
>   configure:3054: $? = 127
>   configure: failed program was:
>   | /* confdefs.h */
>   | #define PACKAGE_NAME ""
>   | #define PACKAGE_TARNAME ""
>   | #define PACKAGE_VERSION ""
>   | #define PACKAGE_STRING ""
>   | #define PACKAGE_BUGREPORT ""
>   | #define PACKAGE_URL ""
>   | /* end confdefs.h.  */
>   | class A {};
>   | int
>   | main ()
>   | {
>   |
>   |   ;
>   |   return 0;
>   | }
>   configure:3058: result: failed
>   configure:3060: error: could not compile test program