13d86e100b
Continue the reorganization of the configure system. Move files from the main config directory to their appropriate level-specific config directories. Modify the configure system to correctly handle compiler detection, test, and setup so that all things pertaining to opal and orte are done at the lower level, with the ompi configure system only looking at mpi-specific options. Ensure the wrapper compilers for orte and ompi only get built when appropriate. Add support for c++ to the orte wrapper compilers, both script and non-script versions. This commit was SVN r22138.
44 строки
1.7 KiB
Bash
44 строки
1.7 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright (c) 2009 IBM Corporation. All rights reserved.
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# Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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# $COPYRIGHT$
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#
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# Additional copyrights may follow
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#
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# $HEADER$
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#
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# This macro checks to ensure that the compiler properly supports
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# offsetof(). The PGI compilers had a problem with this macro in some
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# versions of their compiler on some platforms (e.g., 9.0-1 on
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# x86_64). The workaround is to use -DNO_PGI_OFFSET in these cases.
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# A bug report was submitted to PGI support in late June 2009; the
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# problem was apparently a trivial typo in one of their header files
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# and should be fixed in subsequent releases (e.g., 9.0-2?).
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AC_DEFUN([OPAL_CHECK_OFFSETOF],[
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OMPI_VAR_SCOPE_PUSH([have_offsetof_msg])
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AC_MSG_CHECKING(for functional offsetof macro)
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AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[#include<stddef.h>]],
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[[struct foo {int a, b;}; size_t offset = offsetof(struct foo, b); ]]),
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[have_offsetof_msg="yes"], [have_offsetof_msg="no"])
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if test "$have_offsetof_msg" = "no"; then
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CPPFLAGS="$CPPFLAGS -DNO_PGI_OFFSET"
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AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[#include<stddef.h>]],
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[[struct foo {int a, b;}; size_t offset = offsetof(struct foo, b); ]]),
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[have_offsetof_msg="yes"], [have_offsetof_msg="no"])
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if test "$have_offsetof_msg" = "no"; then
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AC_MSG_RESULT([$have_offsetof_msg])
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AC_MSG_WARN([Your compiler does not support offsetof macro])
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AC_MSG_ERROR([Configure: Cannot continue])
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fi
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fi
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AC_MSG_RESULT([$have_offsetof_msg])
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OMPI_VAR_SCOPE_POP
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])dnl
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