Mercurial > hg > octave-shane
changeset 9173:224634b2e6e3
configure.in, aclocal.m4: check for c99 vsnprintf
author | Peter O'Gorman <pogma@thewrittenword.com> |
---|---|
date | Mon, 04 May 2009 15:57:28 -0400 |
parents | cd68431b395a |
children | 07966ebb1055 |
files | ChangeLog aclocal.m4 configure.in src/ChangeLog src/utils.cc |
diffstat | 5 files changed, 46 insertions(+), 6 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2009-05-04 Peter O'Gorman <pogma@thewrittenword.com> + * aclocal.m4 (OCTAVE_HAVE_C99_VSNPRINTF): New macro. + * configure.in: Use it. + * configure.in (rs6000-ibm-aix* | powerpc-ibm-aix*): Set library_path_var to LIBPATH. (hppa*-hp-hpux*): Set library_path_var to SHLIB_PATH.
--- a/aclocal.m4 +++ b/aclocal.m4 @@ -1422,3 +1422,41 @@ [$5] fi ]) +dnl +dnl Do we have a working c99 vsnprintf function? +dnl +dnl OCTAVE_HAVE_C99_VSNPRINTF +AC_DEFUN(OCTAVE_HAVE_C99_VSNPRINTF, [ + AC_CACHE_CHECK([for c99 vsnprintf], [oct_cv_c99_vsnprintf], + [AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> + +int +doit(char * s, ...) +{ + char buffer[32]; + va_list args; + int r; + + va_start(args, s); + r = vsnprintf(buffer, 5, s, args); + va_end(args); + + if (r != 7) + exit(1); + + exit(0); +} + ]],[ +doit("1234567");])], + [oct_cv_c99_vsnprintf=yes], + [oct_cv_c99_vsnprintf=no], + [oct_cv_c99_vsnprintf="guessing no"])]) + +case $oct_cv_c99_vsnprintf in +yes) + AC_DEFINE([HAVE_C99_VSNPRINTF], [1], [Define if you have a c99 vsnprintf]) + ;; +esac +])
--- a/configure.in +++ b/configure.in @@ -1646,6 +1646,7 @@ ;; esac +OCTAVE_HAVE_C99_VSNPRINTF OCTAVE_STRPTIME_BROKEN OCTAVE_SMART_PUTENV
--- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,7 @@ +2009-05-04 Peter O'Gorman <pogma@thewrittenword.com> + + * utils.cc: Don't define HAVE_C99_VSNPRINTF here. + 2009-05-01 John W. Eaton <jwe@octave.org> * error.cc (Vlast_error_file, Vlast_error_name, Vlast_error_line,
--- a/src/utils.cc +++ b/src/utils.cc @@ -1081,12 +1081,6 @@ return retval; } -/* FIXME -- we really need a configure test for this. */ - -#if defined __GNUC__ && __GNUC__ >= 3 && ! defined __MINGW32__ -#define HAVE_C99_VSNPRINTF 1 -#endif - // We manage storage. User should not free it, and its contents are // only valid until next call to vsnprintf.