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author Karl Berry <karl@freefriends.org>
date Fri, 16 Aug 2013 06:32:22 -0700
parents e542fd46ad6f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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12182
8ba00f285749 m4: stylistic-only: hoist AC_SUBST to be adjacent to initialization
Jim Meyering <meyering@redhat.com>
parents: 12169
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1 # clock_time.m4 serial 10
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Eric Blake <eblake@redhat.com>
parents: 16201
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2 dnl Copyright (C) 2002-2006, 2009-2013 Free Software Foundation, Inc.
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87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4994
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3 dnl This file is free software; the Free Software Foundation
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4994
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4 dnl gives unlimited permission to copy and/or distribute it,
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4994
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5 dnl with or without modifications, as long as this notice is preserved.
4107
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
parents:
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6
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40c3e7d43e2d * m4/clock_time.m4 (gl_CLOCK_TIME): Quote AC_SUBST argument.
Jim Meyering <jim@meyering.net>
parents: 6671
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7 # Check for clock_gettime and clock_settime, and set LIB_CLOCK_GETTIME.
40c3e7d43e2d * m4/clock_time.m4 (gl_CLOCK_TIME): Quote AC_SUBST argument.
Jim Meyering <jim@meyering.net>
parents: 6671
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8 # For a program named, say foo, you should add a line like the following
40c3e7d43e2d * m4/clock_time.m4 (gl_CLOCK_TIME): Quote AC_SUBST argument.
Jim Meyering <jim@meyering.net>
parents: 6671
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9 # in the corresponding Makefile.am file:
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Jim Meyering <jim@meyering.net>
parents: 6671
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10 # foo_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
40c3e7d43e2d * m4/clock_time.m4 (gl_CLOCK_TIME): Quote AC_SUBST argument.
Jim Meyering <jim@meyering.net>
parents: 6671
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11
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7c1a6b73f48e An autoconf macro for its associated module.
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12 AC_DEFUN([gl_CLOCK_TIME],
7c1a6b73f48e An autoconf macro for its associated module.
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13 [
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5a2089992925 * modules/gettime (Depends-on): Add extensions module.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5813
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14 dnl Persuade glibc and Solaris <time.h> to declare these functions.
5a2089992925 * modules/gettime (Depends-on): Add extensions module.
Paul Eggert <eggert@cs.ucla.edu>
parents: 5813
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15 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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16
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17 # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
parents:
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18 # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
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Jim Meyering <jim@meyering.net>
parents: 4107
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19
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20 # Save and restore LIBS so e.g., -lrt, isn't added to it. Otherwise, *all*
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
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21 # programs in the package would end up linked with that potentially-shared
7c1a6b73f48e An autoconf macro for its associated module.
Bruno Haible <bruno@clisp.org>
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22 # library, inducing unnecessary run-time overhead.
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d9a855dec815 don't let environment settings perturb build
Jim Meyering <meyering@redhat.com>
parents: 11007
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23 LIB_CLOCK_GETTIME=
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Jim Meyering <meyering@redhat.com>
parents: 12169
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24 AC_SUBST([LIB_CLOCK_GETTIME])
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Paul Eggert <eggert@cs.ucla.edu>
parents: 5611
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25 gl_saved_libs=$LIBS
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Jim Meyering <meyering@redhat.com>
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26 AC_SEARCH_LIBS([clock_gettime], [rt posix4],
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Paul Eggert <eggert@cs.ucla.edu>
parents: 4426
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27 [test "$ac_cv_search_clock_gettime" = "none required" ||
de285d9e7c4d Merge from coreutils.
Paul Eggert <eggert@cs.ucla.edu>
parents: 4426
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28 LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
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Jim Meyering <meyering@redhat.com>
parents: 7683
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29 AC_CHECK_FUNCS([clock_gettime clock_settime])
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Paul Eggert <eggert@cs.ucla.edu>
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30 LIBS=$gl_saved_libs
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31 ])