[mpich-discuss] mpich build error

[Rob Latham]

The warnings are intel's preprocessor being a bit pickier than gnu's cpp

the errors, though, are indeed odd.
I will eat my sock if strncmp really truly is not on your system; far 
more likely the strncmp test failed for some unrelated reason.

Look at your src/mpl/config.log.  On my system, the (successful) check 
for strncmp looks like this:

configure:12723: checking for strncmp
configure:12723: ccache gcc -o conftest -Wall -g -Wno-unused-label 
-fstack-usage -fPIC -ggdb3   -I /home/robl/work/soft/lustre/include 
conftest.c  >&5
conftest.c:65:6: warning: conflicting types for built-in function 'strncmp'
  char strncmp ();
       ^
configure:12723: $? = 0
configure:12723: result: yes
configure:12734: checking whether strncmp needs a declaration
configure:12752: ccache gcc -c -Wall -g -Wno-unused-label -fstack-usage 
-fPIC -ggdb3   -I /home/robl/work/soft/lustre/include  conftest.c >&5
configure:12752: $? = 0
configure:12759: result: no

Does yours look like this?

==rob

> Hi,
>
> I am getting an error while trying to compile the latest mpich (from the
> git repo) with Intel 15.0.1 compiler...excerpt of the error:
>
> In file included from ../../.././src/mpl/include/mpl.h(10),
>                   from ../../.././src/mpl/src/mplstr.c(7):
> ./include/mplconfig.h(238): warning #14: extra text after expected end
> of preprocessing directive
>    #ifndef _mpl_

>                 ^
>
> In file included from ../../.././src/mpl/include/mpl.h(10),
>                   from ../../.././src/mpl/src/mplstr.c(7):
> ./include/mplconfig.h(239): warning #2217: white space is required
> between the macro name "_mpl_" and its replacement text
>    #define _mpl_
 
>                 ^
>
> In file included from ../../.././src/mpl/include/mpl.h(111),
>                   from ../../.././src/mpl/src/mplstr.c(7):
> ../../.././src/mpl/include/mplstr.h(48): error: #error directive:
> "strncmp is required"
>    #error "strncmp is required"
>     ^
>
> ../../.././src/mpl/src/mplstr.c(41): warning #266: function "isdigit"
> declared implicitly
>                if (isdigit(nc)) {
>                    ^
>
> Internal error: null pointer
>
>
> Please suggest.
>
> --
> Regards,
> Sayan
>
>
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-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA
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