On Tue, 11 Oct 2016, Antonio Trande wrote:
> 'configure' does not recognize '-D_FORTIFY_SOURCE=2' flag (it says that
> should be -D-FORTIFY-SOURCE=2) that comes from default flags used on
> Fedora and automatically set when package is built. I'm forced to
> exclude it with 'configure' and re-introduce it with 'make'.
> This is the reason because flags are set more times.
> It's good if you can fix this problem with 'configure'.
I suspect thats hapenning because you are missing quotes for CFLAGS=""
[as mentioned earlier] - so configure it treating -D_FORTIFY_SOURCE=2
as an argument to configure - and not as the text inside CFLAGS argument.
Satish
---------
balay@asterix /home/balay/petsc (maint=)
$ ./configure CFLAGS=-O2 -D_FORTIFY_SOURCE=2
===============================================================================
Configuring PETSc to compile on your system
===============================================================================
*******************************************************************************
ERROR in COMMAND LINE ARGUMENT to ./configure
-------------------------------------------------------------------------------
The option -D_FORTIFY_SOURCE should probably be -D-FORTIFY-SOURCE
*******************************************************************************
balay@asterix /home/balay/petsc (maint=)
$ ./configure CFLAGS="-O2 -D_FORTIFY_SOURCE=2"
===============================================================================
Configuring PETSc to compile on your system
===============================================================================
Compilers:
C Compiler: mpicc -O2 -D_FORTIFY_SOURCE=2 -fPIC
C++ Compiler: mpicxx -Wall -Wwrite-strings -Wno-strict-aliasing
-Wno-unknown-pragmas -fvisibility=hidden -g -fPIC
Fortran Compiler: mpif90 -fPIC -Wall -ffree-line-length-0
-Wno-unused-dummy-argument -g
Linkers:
Shared linker: mpicc -shared -O2 -D_FORTIFY_SOURCE=2 -fPIC
Dynamic linker: mpicc -shared -O2 -D_FORTIFY_SOURCE=2 -fPIC
MPI:
make:
BLAS/LAPACK: -llapack -lblas
cmake:
Arch:
X:
Library: -lX11
valgrind:
sowing:
c2html:
pthread:
Library: -lpthread
PETSc:
PETSC_ARCH: arch-linux2-c-debug
PETSC_DIR: /home/balay/petsc
Scalar type: real
Precision: double
Clanguage: C
shared libraries: enabled
Integer size: 32
Memory alignment: 16
xxx=========================================================================xxx
Configure stage complete. Now build PETSc libraries with (gnumake build):
make PETSC_DIR=/home/balay/petsc PETSC_ARCH=arch-linux2-c-debug all
xxx=========================================================================xxx
balay@asterix /home/balay/petsc (maint=)
$
