Mercurial > gnulib
changeset 10098:f44f09b398a5
When cross-compiling, assume memcmp works if it is declared.
| author | Simon Josefsson <simon@josefsson.org> |
|---|---|
| date | Wed, 21 May 2008 11:07:36 +0200 |
| parents | cefe7c844a80 |
| children | 28dbe341d2b2 |
| files | ChangeLog m4/memcmp.m4 |
| diffstat | 2 files changed, 19 insertions(+), 2 deletions(-) [+] |
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--- a/ChangeLog Tue May 20 12:55:35 2008 +0200 +++ b/ChangeLog Wed May 21 11:07:36 2008 +0200 @@ -1,3 +1,8 @@ +2008-05-21 Simon Josefsson <simon@josefsson.org> + + * m4/memcmp.m4: When cross-compiling, assume memcmp works if it is + declared. + 2008-05-20 Bruno Haible <bruno@clisp.org> * tests/test-memcmp.c (main): Test also the sign of the result. Test
--- a/m4/memcmp.m4 Tue May 20 12:55:35 2008 +0200 +++ b/m4/memcmp.m4 Wed May 21 11:07:36 2008 +0200 @@ -1,11 +1,23 @@ -# memcmp.m4 serial 12 -dnl Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc. +# memcmp.m4 serial 13 +dnl Copyright (C) 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_MEMCMP], [ + if test $cross_compiling != no; then + # AC_FUNC_MEMCMP as of 2.62 defaults to 'no' when cross compiling. + # We default to yes if memcmp appears to exist, which works + # better for MinGW. + AC_CACHE_CHECK([whether cross-compiling target has memcmp], + [ac_cv_func_memcmp_working], + [AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[#include <string.h> + ]], [[int ret = memcmp ("foo", "bar", 0);]])], + [ac_cv_func_memcmp_working=yes], + [ac_cv_func_memcmp_working=no])]) + fi AC_FUNC_MEMCMP dnl Note: AC_FUNC_MEMCMP does AC_LIBOBJ(memcmp). if test $ac_cv_func_memcmp_working = no; then