[mvapich-discuss] Problems building MVAPICH2 2.3.4 w/o flex

[Subramoni, Hari]

Hi, Dan.

Thanks for pointing this out to us. We appreciate it.

We will explicitly add YACC/LEX as a dependency.

Since these are temporary files which get regenerated when we do a build we had deleted it. If you think it is beneficial for these files to be included in the tarball, please let us know.

Best,
Hari.

-----Original Message-----
From: mvapich-discuss-bounces at cse.ohio-state.edu <mvapich-discuss-bounces at mailman.cse.ohio-state.edu> On Behalf Of Dan Pou
Sent: Wednesday, July 1, 2020 9:19 AM
To: mvapich-discuss at cse.ohio-state.edu <mvapich-discuss at mailman.cse.ohio-state.edu>
Subject: [mvapich-discuss] Problems building MVAPICH2 2.3.4 w/o flex

Resending, because of a mail configuration error.

The 2.3.4 release fails to build if you don't have flex (or suitable lex command) installed.
The build does not flag lex as missing, just errors out with a missing file.
The ylwrap LEX command is just : in a build without flex, it called flex after I installed it.

It looks like the file
mvapich2-2.3.3/src/pm/mpirun/src/hostfile/scanner.c
was shipped in the 2.3.3 release, but not in 2.3.4.

   YACC     src/pm/mpirun/src/hostfile/src_pm_mpirun_src_hostfile_libhostfile_a-parser.c
mvapich2-2.3.4/src/pm/mpirun/src/hostfile/parser.y: warning: 2 shift/reduce conflicts [-Wconflicts-sr] src/pm/mpirun/src/hostfile/src_pm_mpirun_src_hostfile_libhostfile_a-parser.h is unchanged
   CC       src/pm/mpirun/src/hostfile/src_pm_mpirun_src_hostfile_libhostfile_a-parser.o
   LEX      src/pm/mpirun/src/hostfile/scanner.c
   CC       src/pm/mpirun/src/hostfile/scanner.o
gcc: error: src/pm/mpirun/src/hostfile/scanner.c: No such file or directory

Thanks,
-Dan

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