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Rob Latham
mpich-CVS
Commits
7e0e4d70
Commit
7e0e4d70
authored
Nov 01, 2007
by
balaji
Browse files
Fixes to documentation about MPI_FLAGS_EMPTY.
parent
e2416380
Changes
2
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README
View file @
7e0e4d70
...
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@@ -354,10 +354,10 @@ optimization flag by default. If you want to build the MPICH2 library
with a specific optimization level, set the environment variable
CFLAGS to that level before running configure. If you do not want this
CFLAGS value to be included in the mpicc script, set the environment
variable MPI_CFLAGS to MPI_
C
FLAGS_EMPTY. For example, to build a
variable MPI_CFLAGS to MPI_FLAGS_EMPTY. For example, to build a
"production" MPICH2 in a GNU environment, you may want to do:
setenv CFLAGS -O3
setenv MPI_CFLAGS MPI_
C
FLAGS_EMPTY
setenv MPI_CFLAGS MPI_FLAGS_EMPTY
before running configure. This will cause the MPICH2 library to be
built with -O3, but -O3 will not be included in the mpicc script.
...
...
doc/installguide/install.tex
View file @
7e0e4d70
...
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@@ -488,11 +488,11 @@ optimization flag by default. If you want to build the MPICH2 library
with a specific optimization level, set the environment variable
\texttt
{
CFLAGS
}
to that level before running configure. If you do not want this
\texttt
{
CFLAGS
}
value to be included in the mpicc script, set the environment
variable
\texttt
{
MPI
\_
CFLAGS
}
to
\texttt
{
MPI
\_
C
FLAGS
\_
EMPTY
}
. For example, to build a
variable
\texttt
{
MPI
\_
CFLAGS
}
to
\texttt
{
MPI
\_
FLAGS
\_
EMPTY
}
. For example, to build a
``production'' MPICH
2
in a GNU environment, you may want to do:
\begin
{
verbatim
}
setenv CFLAGS
-
O
3
setenv MPI
_
CFLAGS MPI
_
C
FLAGS
_
EMPTY
setenv MPI
_
CFLAGS MPI
_
FLAGS
_
EMPTY
\end
{
verbatim
}
before running configure. This will cause the MPICH
2
library to be
built with
-
O
3
, but
-
O
3
will not be included in the mpicc script.
...
...
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