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openmpi/config/cxx_find_template_repository.m4

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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
dnl University Research and Technology
dnl Corporation. All rights reserved.
dnl Copyright (c) 2004-2005 The University of Tennessee and The University
dnl of Tennessee Research Foundation. All rights
dnl reserved.
dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
dnl University of Stuttgart. All rights reserved.
dnl Copyright (c) 2004-2005 The Regents of the University of California.
dnl All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl
AC_DEFUN([OMPI_CXX_FIND_TEMPLATE_REPOSITORY],[
#
# Arguments: None
#
# Dependencies: None
#
# See if the compiler makes template repository directories
# Warning: this is a really screwy example! -JMS
#
# Sets OMPI_CXX_TEMPLATE_REPOSITORY to the template repository, or blank.
# Must call AC_SUBST manually
#
AC_CACHE_CHECK([for C++ template_repository_directory],
[ompi_cv_cxx_template_repository],
[_OMPI_CXX_FIND_TEMPLATE_REPOSITORY])
if test "$ompi_cv_cxx_template_repository" = "not used" ; then
OMPI_CXX_TEMPLATE_REPOSITORY=
elif test "$ompi_cv_cxx_template_repository" = "templates not supported" ; then
OMPI_CXX_TEMPLATE_REPOSITORY=
else
OMPI_CXX_TEMPLATE_REPOSITORY="$ompi_cv_cxx_template_repository"
fi
])
AC_DEFUN([_OMPI_CXX_FIND_TEMPLATE_REPOSITORY],[
# Find the repository
mkdir conf_tmp_$$
cd conf_tmp_$$
cat > conftest.h <<EOF
template <class T>
class foo {
public:
foo(T yow) : data(yow) { yow.member(3); };
void member(int i);
private:
T data;
};
class bar {
public:
bar(int i) { data = i; };
void member(int j) { data = data * j; };
private:
int data;
};
EOF
cat > conftest2.C <<EOF
#include "conftest.h"
void
some_other_function(void)
{
foo<bar> var1(6);
foo< foo<bar> > var2(var1);
}
EOF
cat > conftest1.C <<EOF
#include "conftest.h"
void some_other_function(void);
template <class T>
void
foo<T>::member(int i)
{
i += 2;
}
int
main()
{
foo<bar> var1(6);
foo< foo<bar> > var2(var1);
some_other_function();
return 0;
}
EOF
ompi_template_failed=
echo configure:__oline__: $CXX $CXXFLAGS -c conftest1.C >&5
$CXX $CXXFLAGS -c conftest1.C >&5 2>&5
if test ! -f conftest1.o ; then
ompi_cv_cxx_template_repository="templates not supported"
echo configure:__oline__: here is the program that failed: >&5
cat conftest1.C >&5
echo configure:__oline__: here is conftest.h: >&5
cat conftest.h >&5
ompi_template_failed=1
else
echo configure:__oline__: $CXX $CXXFLAGS -c conftest2.C >&5
$CXX $CXXFLAGS -c conftest2.C >&5 2>&5
if test ! -f conftest2.o ; then
ompi_cv_cxx_template_repository=
echo configure:__oline__: here is the program that failed: >&5
cat conftest2.C >&5
echo configure:__oline__: here is conftest.h: >&5
cat conftest.h >&5
else
rm -rf conftest*
for ompi_file in `ls`
do
if test "$ompi_file" != "." -a "$ompi_file" != ".."; then
# Is it a directory?
if test -d "$ompi_file"; then
ompi_template_dir="$ompi_file $ompi_template_dir"
# Or is it a file?
else
name="`echo $ompi_file | cut -d. -f1`"
temp_mask=
if test "$name" = "main" -o "$name" = "other"; then
temp_mask="`echo $ompi_file | cut -d. -f2`"
if test "$ompi_template_filemask" = ""; then
ompi_template_filemask="$temp_mask";
elif test "`echo $ompi_template_filemask | grep $temp_mask`" = ""; then
ompi_template_filemask="$ompi_template_filemask $temp_mask"
fi
fi
fi
fi
done
if test "$ompi_template_filemask" != ""; then
temp_mask=
for mask in $ompi_template_filemask
do
temp_mask="*.$mask $temp_mask"
done
ompi_template_filemask=$temp_mask
fi
fi
fi
ompi_cv_cxx_template_repository="$ompi_template_dir $ompi_template_filemask"
if test "`echo $ompi_cv_cxx_template_repository`" = ""; then
ompi_cv_cxx_template_repository="not used"
fi
cd ..
rm -rf conf_tmp_$$
# Clean up
unset ompi_file ompi_template_failed ompi_template_dir])