/[autoconf]/autoconf/doc/autoconf.texi
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revision 1.623 by eggert, Wed May 8 22:30:14 2002 UTC revision 1.624 by eggert, Fri May 17 07:11:04 2002 UTC
# Line 3527  If the @code{error_at_line} function is Line 3527  If the @code{error_at_line} function is
3527  @code{AC_LIBOBJ} replacement of @samp{error}.  @code{AC_LIBOBJ} replacement of @samp{error}.
3528  @end defmac  @end defmac
3529    
3530  @defmac AC_FUNC_FNMATCH  @defmac AC_FUNC_FNMATCH (@ovar{dir})
3531  @acindex FUNC_FNMATCH  @acindex FUNC_FNMATCH
3532  @c @fuindex fnmatch  @c @fuindex fnmatch
3533  @prindex @code{fnmatch}  @prindex @code{fnmatch}
3534  If the @code{fnmatch} function is available and works (unlike the one on  If the @code{fnmatch} function conforms to @acronym{POSIX}, define
3535  Solaris 2.4), define @code{HAVE_FNMATCH}.  @code{HAVE_FNMATCH}.  Detect common implementation bugs, for example,
3536    the bugs in Solaris 2.4.  If @var{dir} is nonempty, the files
3537    @file{fnmatch.c}, @file{fnmatch_loop.c}, and @file{fnmatch_.h} in the
3538    directory @var{dor} are assumed to contain a copy of the source code
3539    of @acronym{GNU} @code{fnmatch}.  If necessary, this source code is
3540    compiled as an @code{AC_LIBOBJ} replacement, and the @file{fnmatch_.h}
3541    file is linked to @file{fnmatch.h} so that it can be included in place
3542    of the system @code{<fnmatch.h>}.
3543    @end defmac
3544    
3545    @defmac AC_FUNC_FNMATCH_GNU (@ovar{dir})
3546    @acindex FUNC_FNMATCH_GNU
3547    @c @fuindex fnmatch
3548    @prindex @code{fnmatch}
3549    Behave like @code{AC_FUNC_FNMATCH(@var{dir})}, but also test whether
3550    @code{fnmatch} supports @acronym{GNU} extensions.  Detect common
3551    implementation bugs, for example, the bugs in the @acronym{GNU} C
3552    Library 2.1.
3553  @end defmac  @end defmac
3554    
3555  @defmac AC_FUNC_FORK  @defmac AC_FUNC_FORK
# Line 5348  If on AIX, define @code{_ALL_SOURCE}.  A Line 5365  If on AIX, define @code{_ALL_SOURCE}.  A
5365  functions.  Should be called before any macros that run the C compiler.  functions.  Should be called before any macros that run the C compiler.
5366  @end defmac  @end defmac
5367    
5368    @defmac AC_GNU_SOURCE
5369    @acindex GNU_SOURCE
5370    @cvindex _GNU_SOURCE
5371    If using the GNU C library, define @code{_GNU_SOURCE}.  Allows the use
5372    of some @acronym{GNU} functions.  Should be called before any macros
5373    that run the C compiler.
5374    @end defmac
5375    
5376  @defmac AC_ISC_POSIX  @defmac AC_ISC_POSIX
5377  @acindex ISC_POSIX  @acindex ISC_POSIX
5378  @ovindex LIBS  @ovindex LIBS

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