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| author | Bruno Haible <bruno@clisp.org> | 2020-07-31 13:58:21 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2020-07-31 14:22:28 -0700 |
| commit | ca67a088dc3cbbebfcd9dcaa11a6fbb0c926e113 (patch) | |
| tree | 46778c9c812d4bd96e968b600e3d9fa35fd8d5a3 | |
| parent | 091805f6ac342fb2df4dc7705ab71ae4f76d0b23 (diff) | |
| download | autoconf-ca67a088dc3cbbebfcd9dcaa11a6fbb0c926e113.tar.gz | |
doc: Update some more macro descriptions.
* doc/autoconf.texi (Particular Functions): Add a remark about AC_FUNC_MMAP.
Clarify AC_FUNC_STRCOLL.
| -rw-r--r-- | doc/autoconf.texi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/autoconf.texi b/doc/autoconf.texi index 79ecc9da..2a279ef2 100644 --- a/doc/autoconf.texi +++ b/doc/autoconf.texi @@ -5393,6 +5393,10 @@ memory. The result of this macro is cached in the @code{ac_cv_func_mmap_fixed_mapped} variable. + +Note: This macro asks for more than what an average program needs from +@code{mmap}. In particular, the use of @code{MAP_FIXED} fails on +HP-UX 11, whereas @code{mmap} otherwise works fine on this platform. @end defmac @defmac AC_FUNC_OBSTACK @@ -5509,7 +5513,8 @@ New programs need not use these macros. If the @code{strcoll} function exists and works correctly, define @code{HAVE_STRCOLL}. This does a bit more than @samp{AC_CHECK_FUNCS(strcoll)}, because some systems have incorrect -definitions of @code{strcoll} that should not be used. +definitions of @code{strcoll} that should not be used. But it does +not check against a known bug of this function on Solaris 10. The result of this macro is cached in the @code{ac_cv_func_strcoll_works} variable. |