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Check visibility and define PMISHIM_EXPORT accordingly. Update pmi.h to deal with backwards compatibility by carrying some definitions that were recently dropped. Signed-off-by: Ralph Castain <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| # -*- shell-script -*- | ||
| # | ||
| # Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana | ||
| # University Research and Technology | ||
| # Corporation. All rights reserved. | ||
| # Copyright (c) 2004-2005 The University of Tennessee and The University | ||
| # of Tennessee Research Foundation. All rights | ||
| # reserved. | ||
| # Copyright (c) 2004-2007 High Performance Computing Center Stuttgart, | ||
| # University of Stuttgart. All rights reserved. | ||
| # Copyright (c) 2004-2005 The Regents of the University of California. | ||
| # All rights reserved. | ||
| # Copyright (c) 2006-2015 Cisco Systems, Inc. All rights reserved. | ||
| # Copyright (c) 2009-2011 Oracle and/or its affiliates. All rights reserved. | ||
| # Copyright (c) 2017 Intel, Inc. All rights reserved. | ||
| # Copyright (c) 2021-2023 Nanook Consulting. All rights reserved. | ||
| # Copyright (c) 2022 Amazon.com, Inc. or its affiliates. All Rights reserved. | ||
| # $COPYRIGHT$ | ||
| # | ||
| # Additional copyrights may follow | ||
| # | ||
| # $HEADER$ | ||
| # | ||
|
|
||
| # PMISHIM_CHECK_VISIBILITY | ||
| # -------------------------------------------------------- | ||
| AC_DEFUN([PMISHIM_CHECK_VISIBILITY],[ | ||
| AC_REQUIRE([AC_PROG_GREP]) | ||
|
|
||
| # Check if the compiler has support for visibility, like some | ||
| # versions of gcc, icc Sun Studio cc. | ||
| AC_ARG_ENABLE(visibility, | ||
| AS_HELP_STRING([--enable-visibility], | ||
| [enable visibility feature of certain compilers/linkers (default: enabled)])) | ||
|
|
||
| WANT_VISIBILITY=0 | ||
| pmishim_msg="whether to enable symbol visibility" | ||
|
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||
| if test "$enable_visibility" = "no"; then | ||
| AC_MSG_CHECKING([$pmishim_msg]) | ||
| AC_MSG_RESULT([no (disabled)]) | ||
| else | ||
| CFLAGS_orig=$CFLAGS | ||
|
|
||
| pmishim_add= | ||
| case "$oac_cv_c_compiler_vendor" in | ||
| sun) | ||
| # Check using Sun Studio -xldscope=hidden flag | ||
| pmishim_add=-xldscope=hidden | ||
| CFLAGS="$pmishim_add -errwarn=%all" | ||
| ;; | ||
|
|
||
| *) | ||
| # Check using -fvisibility=hidden | ||
| pmishim_add=-fvisibility=hidden | ||
| CFLAGS="$pmishim_add -Werror" | ||
| ;; | ||
| esac | ||
|
|
||
| AC_MSG_CHECKING([if $CC supports $pmishim_add]) | ||
| AC_LINK_IFELSE([AC_LANG_PROGRAM([[ | ||
| #include <stdio.h> | ||
| __attribute__((visibility("default"))) int foo; | ||
| ]],[[fprintf(stderr, "Hello, world\n");]])], | ||
| [AS_IF([test -s conftest.err], | ||
| [$GREP -iq visibility conftest.err | ||
| # If we find "visibility" in the stderr, then | ||
| # assume it doesn't work | ||
| AS_IF([test "$?" = "0"], [pmishim_add=])]) | ||
| ], [pmishim_add=]) | ||
| AS_IF([test "$pmishim_add" = ""], | ||
| [AC_MSG_RESULT([no])], | ||
| [AC_MSG_RESULT([yes])]) | ||
|
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| CFLAGS=$CFLAGS_orig | ||
| PMISHIM_VISIBILITY_CFLAGS=$pmishim_add | ||
|
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| if test "$pmishim_add" != "" ; then | ||
| WANT_VISIBILITY=1 | ||
| CFLAGS="$CFLAGS $PMISHIM_VISIBILITY_CFLAGS" | ||
| AC_MSG_CHECKING([$pmishim_msg]) | ||
| AC_MSG_RESULT([yes (via $pmishim_add)]) | ||
| elif test "$enable_visibility" = "yes"; then | ||
| AC_MSG_ERROR([Symbol visibility support requested but compiler does not seem to support it. Aborting]) | ||
| else | ||
| AC_MSG_CHECKING([$pmishim_msg]) | ||
| AC_MSG_RESULT([no (unsupported)]) | ||
| fi | ||
| unset pmishim_add | ||
| fi | ||
|
|
||
| AC_DEFINE_UNQUOTED([PMISHIM_HAVE_VISIBILITY], [$WANT_VISIBILITY], | ||
| [Whether C compiler supports symbol visibility or not]) | ||
| ]) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| # | ||
| # Copyright (c) 2023 Nanook Consulting All rights reserved. | ||
| # $COPYRIGHT$ | ||
| # | ||
| # Additional copyrights may follow | ||
| # | ||
| # $HEADER$ | ||
| # | ||
|
|
||
| # Install the PMI headers | ||
|
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||
| include_HEADERS = \ | ||
| pmi.h \ | ||
| pmi2.h | ||
|
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||
| nodist_include_HEADERS = \ | ||
| pmishim_version.h |
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