diff options
Diffstat (limited to 'acinclude.m4')
-rw-r--r-- | acinclude.m4 | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index cd2b903..59a9359 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -111,54 +111,3 @@ AC_DEFUN(AC_STRUCT_ST_MTIM_NSEC, fi ] ) - - -dnl --------------------------------------------------------------------------- -dnl This will be in the next version of autoconf; take this out then! - -# make_FUNC_SETVBUF_REVERSED -# ------------------------ -AC_DEFUN([make_FUNC_SETVBUF_REVERSED], -[AC_REQUIRE([AC_C_PROTOTYPES])dnl -AC_CACHE_CHECK(whether setvbuf arguments are reversed, - ac_cv_func_setvbuf_reversed, - [ac_cv_func_setvbuf_reversed=no - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <stdio.h> -# if PROTOTYPES - int (setvbuf) (FILE *, int, char *, size_t); -# endif]], - [[char buf; return setvbuf (stdout, _IOLBF, &buf, 1);]])], - [AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <stdio.h> -# if PROTOTYPES - int (setvbuf) (FILE *, int, char *, size_t); -# endif]], - [[char buf; return setvbuf (stdout, &buf, _IOLBF, 1);]])], - [# It compiles and links either way, so it must not be declared - # with a prototype and most likely this is a K&R C compiler. - # Try running it. - AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[#include <stdio.h>]], - [[/* This call has the arguments reversed. - A reversed system may check and see that the address of buf - is not _IOLBF, _IONBF, or _IOFBF, and return nonzero. */ - char buf; - if (setvbuf (stdout, _IOLBF, &buf, 1) != 0) - exit (1); - putchar ('\r'); - exit (0); /* Non-reversed systems SEGV here. */]])], - ac_cv_func_setvbuf_reversed=yes, - rm -f core core.* *.core, - [[: # Assume setvbuf is not reversed when cross-compiling.]])] - ac_cv_func_setvbuf_reversed=yes)])]) -if test $ac_cv_func_setvbuf_reversed = yes; then - AC_DEFINE(SETVBUF_REVERSED, 1, - [Define to 1 if the `setvbuf' function takes the buffering type as - its second argument and the buffer pointer as the third, as on - System V before release 3.]) -fi -])# make_FUNC_SETVBUF_REVERSED |