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Merge pull request open-mpi#844 from rhc54/topic/updatepmix
Sync with PMIx tarball
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| 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 (c) 2009 Sun Microsystems, Inc. All rights reserved. | ||
| dnl Copyright (c) 2014-2015 Intel, Inc. All rights reserved. | ||
| dnl Copyright (c) 2015 Research Organization for Information Science | ||
| dnl and Technology (RIST). All rights reserved. | ||
| dnl $COPYRIGHT$ | ||
| dnl | ||
| dnl Additional copyrights may follow | ||
| dnl | ||
| dnl $HEADER$ | ||
| dnl | ||
|
|
||
| # PMIX_C_GET_ALIGN(type, config_var) | ||
| # ---------------------------------- | ||
| # Determine datatype alignment. | ||
| # First arg is type, 2nd arg is config var to define. | ||
| # Now that we require C99 compilers, we include stdbool.h | ||
| # in the alignment test so that we can find the definition | ||
| # of "bool" when we test for its alignment. We might be able | ||
| # to avoid this if we test for alignment of _Bool, but | ||
| # since we use "bool" in the code, let's be safe and check | ||
| # what we use. Yes, they should be the same - but "should" and | ||
| # "are" frequently differ | ||
| AC_DEFUN([PMIX_C_GET_ALIGNMENT],[ | ||
| AC_CACHE_CHECK([alignment of $1], | ||
| [AS_TR_SH([pmix_cv_c_align_$1])], | ||
| [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | ||
| #include <stdbool.h> ], | ||
| [[ | ||
| struct foo { char c; $1 x; }; | ||
| struct foo *p = (struct foo *) malloc(sizeof(struct foo)); | ||
| int diff; | ||
| FILE *f=fopen("conftestval", "w"); | ||
| if (!f) exit(1); | ||
| diff = ((char *)&p->x) - ((char *)&p->c); | ||
| fprintf(f, "%d\n", (diff >= 0) ? diff : -diff); | ||
| ]])], [AS_TR_SH([pmix_cv_c_align_$1])=`cat conftestval`], | ||
| [AC_MSG_WARN([*** Problem running configure test!]) | ||
| AC_MSG_WARN([*** See config.log for details.]) | ||
| AC_MSG_ERROR([*** Cannot continue.])], | ||
| [ # cross compile - do a non-executable test. Trick | ||
| # taken from the Autoconf 2.59c. Switch to using | ||
| # AC_CHECK_ALIGNOF when we can require Autoconf 2.60. | ||
| _AC_COMPUTE_INT([(long int) offsetof (pmix__type_alignof_, y)], | ||
| [AS_TR_SH([pmix_cv_c_align_$1])], | ||
| [AC_INCLUDES_DEFAULT | ||
| #include <stdbool.h> | ||
| #ifndef offsetof | ||
| # define offsetof(type, member) ((char *) &((type *) 0)->member - (char *) 0) | ||
| #endif | ||
| typedef struct { char x; $1 y; } pmix__type_alignof_; | ||
| ], | ||
| [AC_MSG_WARN([*** Problem running configure test!]) | ||
| AC_MSG_WARN([*** See config.log for details.]) | ||
| AC_MSG_ERROR([*** Cannot continue.])])])]) | ||
| AC_DEFINE_UNQUOTED([$2], [$AS_TR_SH([pmix_cv_c_align_$1])], [Alignment of type $1]) | ||
| eval "$2=$AS_TR_SH([pmix_cv_c_align_$1])" | ||
| rm -rf conftest* ]) dnl |
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