Mercurial > hg > octave-kai > gnulib-hg

annotate m4/asinl.m4 @ 15018:cdd6bc3177f7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
asinl: Respect rules for use of AC_LIBOBJ. * m4/asinl.m4 (gl_FUNC_ASINL): Move AC_LIBOBJ invocation from here... * modules/asinl (configure.ac): ... to here.
author Bruno Haible <bruno@clisp.org>
date Sat, 21 May 2011 11:52:29 +0200
parents 97fc9a21a8fb
children a87db2cf4571
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15018
cdd6bc3177f7 asinl: Respect rules for use of AC_LIBOBJ.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
1 # asinl.m4 serial 4
14079
97fc9a21a8fb maint: update almost all copyright ranges to include 2011
Jim Meyering <meyering@redhat.com>
parents: 13578
diff changeset
2 dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.
12752
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3 dnl This file is free software; the Free Software Foundation
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
4 dnl gives unlimited permission to copy and/or distribute it,
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
5 dnl with or without modifications, as long as this notice is preserved.
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
6
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
7 AC_DEFUN([gl_FUNC_ASINL],
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
8 [
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
9 AC_REQUIRE([gl_MATH_H_DEFAULTS])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
10 dnl Persuade glibc <math.h> to declare asinl().
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
11 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
12
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
13 ASINL_LIBM=
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
14 AC_CACHE_CHECK([whether asinl() can be used without linking with libm],
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
15 [gl_cv_func_asinl_no_libm],
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
16 [
13578
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
17 AC_LINK_IFELSE(
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
18 [AC_LANG_PROGRAM(
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
19 [[#ifndef __NO_MATH_INLINES
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
20 # define __NO_MATH_INLINES 1 /* for glibc */
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
21 #endif
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
22 #include <math.h>
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
23 long double x;]],
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
24 [[return asinl (x) > 1;]])],
12752
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
25 [gl_cv_func_asinl_no_libm=yes],
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
26 [gl_cv_func_asinl_no_libm=no])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
27 ])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
28 if test $gl_cv_func_asinl_no_libm = no; then
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
29 AC_CACHE_CHECK([whether asinl() can be used with libm],
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
30 [gl_cv_func_asinl_in_libm],
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
31 [
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
32 save_LIBS="$LIBS"
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
33 LIBS="$LIBS -lm"
13578
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
34 AC_LINK_IFELSE(
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
35 [AC_LANG_PROGRAM(
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
36 [[#ifndef __NO_MATH_INLINES
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
37 # define __NO_MATH_INLINES 1 /* for glibc */
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
38 #endif
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
39 #include <math.h>
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
40 long double x;]],
1e26f884665f Modernize AC_TRY_LINK invocations.
Bruno Haible <bruno@clisp.org>
parents: 12765
diff changeset
41 [[return asinl (x) > 1;]])],
12752
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
42 [gl_cv_func_asinl_in_libm=yes],
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
43 [gl_cv_func_asinl_in_libm=no])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
44 LIBS="$save_LIBS"
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
45 ])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
46 if test $gl_cv_func_asinl_in_libm = yes; then
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
47 ASINL_LIBM=-lm
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
48 fi
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
49 fi
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
50 if test $gl_cv_func_asinl_no_libm = yes \
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
51 || test $gl_cv_func_asinl_in_libm = yes; then
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
52 dnl Also check whether it's declared.
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
53 dnl MacOS X 10.3 has asinl() in libc but doesn't declare it in <math.h>.
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
54 AC_CHECK_DECL([asinl], , [HAVE_DECL_ASINL=0], [#include <math.h>])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
55 else
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
56 HAVE_DECL_ASINL=0
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
57 HAVE_ASINL=0
15018
cdd6bc3177f7 asinl: Respect rules for use of AC_LIBOBJ.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
58 dnl Find libraries needed to link lib/asinl.c.
12752
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
59 AC_REQUIRE([gl_FUNC_SQRTL])
12765
2614b91f7908 Avoid duplicate -lm.
Bruno Haible <bruno@clisp.org>
parents: 12752
diff changeset
60 dnl Append $SQRTL_LIBM to ASINL_LIBM, avoiding gratuitous duplicates.
2614b91f7908 Avoid duplicate -lm.
Bruno Haible <bruno@clisp.org>
parents: 12752
diff changeset
61 case " $ASINL_LIBM " in
2614b91f7908 Avoid duplicate -lm.
Bruno Haible <bruno@clisp.org>
parents: 12752
diff changeset
62 *" $SQRTL_LIBM "*) ;;
2614b91f7908 Avoid duplicate -lm.
Bruno Haible <bruno@clisp.org>
parents: 12752
diff changeset
63 *) ASINL_LIBM="$ASINL_LIBM $SQRTL_LIBM" ;;
2614b91f7908 Avoid duplicate -lm.
Bruno Haible <bruno@clisp.org>
parents: 12752
diff changeset
64 esac
12752
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
65 fi
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
66 AC_SUBST([ASINL_LIBM])
73d9dd27dc41 New modules acosl, asinl, atanl, cosl, expl, logl, sinl, sqrtl, tanl.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
67 ])