Mercurial > gnulib
changeset 14311:fca8886d4520
iswblank: Ensure declaration on glibc systems.
* m4/iswblank.m4 (gl_FUNC_ISWBLANK): Require gl_USE_SYSTEM_EXTENSIONS.
* modules/iswblank (Dependencies): Add 'extensions'.
* doc/posix-functions/iswblank.texi: Document the glibc problem.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sun, 06 Feb 2011 22:12:25 +0100 |
| parents | 00537d144c48 |
| children | e8b52e48a3ab |
| files | ChangeLog doc/posix-functions/iswblank.texi m4/iswblank.m4 modules/iswblank |
| diffstat | 4 files changed, 14 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog Sun Feb 06 22:07:24 2011 +0100 +++ b/ChangeLog Sun Feb 06 22:12:25 2011 +0100 @@ -1,3 +1,10 @@ +2011-02-06 Bruno Haible <bruno@clisp.org> + + iswblank: Ensure declaration on glibc systems. + * m4/iswblank.m4 (gl_FUNC_ISWBLANK): Require gl_USE_SYSTEM_EXTENSIONS. + * modules/iswblank (Dependencies): Add 'extensions'. + * doc/posix-functions/iswblank.texi: Document the glibc problem. + 2011-02-06 Bruno Haible <bruno@clisp.org> New module 'iswblank'.
--- a/doc/posix-functions/iswblank.texi Sun Feb 06 22:07:24 2011 +0100 +++ b/doc/posix-functions/iswblank.texi Sun Feb 06 22:12:25 2011 +0100 @@ -15,6 +15,9 @@ This function is declared but not defined on some platforms: IRIX 6.5.30. @item +This function is not declared (without @code{-D_GNU_SOURCE}) on some platforms: +glibc 2.8. +@item This function returns 0 for all possible arguments on some platforms: Linux libc5. @end itemize
--- a/m4/iswblank.m4 Sun Feb 06 22:07:24 2011 +0100 +++ b/m4/iswblank.m4 Sun Feb 06 22:12:25 2011 +0100 @@ -1,4 +1,4 @@ -# iswblank.m4 serial 1 +# iswblank.m4 serial 2 dnl Copyright (C) 2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -8,6 +8,8 @@ [ AC_REQUIRE([gl_WCTYPE_H_DEFAULTS]) AC_REQUIRE([gl_WCTYPE_H]) + dnl Persuade glibc <wctype.h> to declare iswblank(). + AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) AC_CHECK_FUNCS_ONCE([iswblank]) AC_CHECK_DECLS_ONCE([iswblank]) if test $ac_cv_func_iswblank = no; then