opal_check_package: minor formatting cleanups
Change # comments to dnl, and add a more thorough explanation of the parameters to OPAL_CHECK_PACKAGE.
Этот коммит содержится в:
Jeff Squyres
родитель
95660822b9
Коммит
24f728596d
@ -1,29 +1,29 @@
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# -*- shell-script -*-
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#
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# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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# University Research and Technology
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# Corporation. All rights reserved.
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# Copyright (c) 2004-2005 The University of Tennessee and The University
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# of Tennessee Research Foundation. All rights
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# reserved.
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# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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# University of Stuttgart. All rights reserved.
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# Copyright (c) 2004-2005 The Regents of the University of California.
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# All rights reserved.
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# Copyright (c) 2012 Cisco Systems, Inc. All rights reserved.
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# Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
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# Copyright (c) 2014 Intel, 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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dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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dnl University Research and Technology
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dnl Corporation. All rights reserved.
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dnl Copyright (c) 2004-2005 The University of Tennessee and The University
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dnl of Tennessee Research Foundation. All rights
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dnl reserved.
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dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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dnl University of Stuttgart. All rights reserved.
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dnl Copyright (c) 2004-2005 The Regents of the University of California.
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dnl All rights reserved.
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dnl Copyright (c) 2012-2015 Cisco Systems, Inc. All rights reserved.
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dnl Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
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dnl Copyright (c) 2014 Intel, Inc. All rights reserved.
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dnl $COPYRIGHT$
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dnl
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dnl Additional copyrights may follow
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dnl
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dnl $HEADER$
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dnl
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# _OPAL_CHECK_PACKAGE_HEADER(prefix, header, dir-prefix,
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# [action-if-found], [action-if-not-found],
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# includes)
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# --------------------------------------------------------------------
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dnl _OPAL_CHECK_PACKAGE_HEADER(prefix, header, dir-prefix,
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dnl [action-if-found], [action-if-not-found],
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dnl includes)
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dnl --------------------------------------------------------------------
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AC_DEFUN([_OPAL_CHECK_PACKAGE_HEADER], [
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# This is stolen from autoconf to peek under the covers to get the
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# cache variable for the library check. one should not copy this
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@ -57,10 +57,10 @@ AC_DEFUN([_OPAL_CHECK_PACKAGE_HEADER], [
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])
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# _OPAL_CHECK_PACKAGE_LIB(prefix, library, function, extra-libraries,
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# dir-prefix, libdir,
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# [action-if-found], [action-if-not-found]])
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# --------------------------------------------------------------------
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dnl _OPAL_CHECK_PACKAGE_LIB(prefix, library, function, extra-libraries,
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dnl dir-prefix, libdir,
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dnl [action-if-found], [action-if-not-found]])
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dnl --------------------------------------------------------------------
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AC_DEFUN([_OPAL_CHECK_PACKAGE_LIB], [
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# This is stolen from autoconf to peek under the covers to get the
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# cache variable for the library check. one should not copy this
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@ -133,20 +133,51 @@ AC_DEFUN([_OPAL_CHECK_PACKAGE_LIB], [
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])
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# OPAL_CHECK_PACKAGE(prefix,
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# header,
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# library,
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# function,
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# extra-libraries,
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# dir-prefix,
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# libdir-prefix,
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# [action-if-found], [action-if-not-found],
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# includes)
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# -----------------------------------------------------------
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# check for package defined by header and libs, and probably
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# located in dir-prefix, possibly with libs in libdir-prefix.
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# Both dir-prefix and libdir-prefix can be empty. Will set
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# prefix_{CPPFLAGS, LDFLAGS, LIBS} as needed
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dnl FI_CHECK_PACKAGE(prefix,
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dnl header,
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dnl library,
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dnl function,
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dnl extra-libraries,
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dnl dir-prefix,
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dnl libdir-prefix,
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dnl [action-if-found], [action-if-not-found],
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dnl includes)
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dnl -----------------------------------------------------------
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dnl Check for package defined by header and libs, and probably
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dnl located in dir-prefix, possibly with libs in libdir-prefix.
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dnl Both dir-prefix and libdir-prefix can be empty. Will set
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dnl prefix_{CPPFLAGS, LDFLAGS, LIBS} as needed.
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dnl
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dnl The general intent of this macro is to provide finer-grained scoping
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dnl of C preprocessor flags, linker flags, and libraries (as opposed to
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dnl unconditionally adding to the top-level CPFLAGS, LDFLAGS, and LIBS,
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dnl which get used to compile/link *everything*).
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dnl
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dnl Here is a breakdown of the parameters:
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dnl
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dnl * prefix: the macro sets $prefix_CPPFLAGS, $prefix_LDFLAGS, and
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dnl $prefix_LIBS (and AC_SUBSTs all of them). For example, if a
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dnl provider uses this macro to check for a header/library that it
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dnl needs, it might well set prefix to be its provider name.
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dnl * header_filename: the foo.h file to check for
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dnl * library_name / function_name: check for function function_name in
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dnl -llibrary_name. Specifically, for library_name, use the "foo" form,
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dnl as opposed to "libfoo".
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dnl * extra_libraries: if the library_name you are checking for requires
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dnl additonal -l arguments to link successfully, list them here.
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dnl * dir_prefix: if the header/library is located in a non-standard
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dnl location (e.g., /opt/foo as opposed to /usr), list it here
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dnl * libdir_prefix: if the library is not under $dir_prefix/lib or
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dnl $dir_prefix/lib64, list it here.
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dnl * action_if_found: if both the header and library are found and
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dnl usable, execute action_if_found
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dnl * action_if_not_found: otherwise, execute action_if_not_found
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dnl * extra_includes: if including header_filename requires additional
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dnl headers to be included first, list them here
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dnl
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dnl The output _CPPFLAGS, _LDFLAGS, and _LIBS can be used to limit the
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dnl scope various flags in Makefiles.
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dnl
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AC_DEFUN([OPAL_CHECK_PACKAGE],[
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opal_check_package_$1_save_CPPFLAGS="$CPPFLAGS"
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opal_check_package_$1_save_LDFLAGS="$LDFLAGS"
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