diff options
| author | Bruno Haible <bruno@clisp.org> | 2011-04-25 20:53:41 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2011-04-25 20:53:41 +0200 |
| commit | b9453f8ce1c5d8bfeb7c110e4c73ba35ac711023 (patch) | |
| tree | a0af77286dee190928904ce746fa0d04e22b0542 /m4 | |
| parent | fca1c5cc2d6b7e48f0638f99e78625e21b89ead6 (diff) | |
| download | gnulib-b9453f8ce1c5d8bfeb7c110e4c73ba35ac711023.tar.gz | |
strtod: Remove check for strtod, unless supporting old platforms.
* modules/strtod-obsolete: New file.
* m4/strtod-obsolete.m4: New file.
* m4/strtod.m4 (gl_FUNC_STRTOD): Don't check whether strtod is declared
if gl_FUNC_STRTOD_OBSOLETE is not also defined.
* modules/strtod (Depends-on): Add strtod-obsolete.
* doc/posix-functions/strtod.texi: Mention module strtod-obsolete.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/strtod-obsolete.m4 | 11 | ||||
| -rw-r--r-- | m4/strtod.m4 | 23 |
2 files changed, 24 insertions, 10 deletions
diff --git a/m4/strtod-obsolete.m4 b/m4/strtod-obsolete.m4 new file mode 100644 index 0000000000..baeb898032 --- /dev/null +++ b/m4/strtod-obsolete.m4 @@ -0,0 +1,11 @@ +# strtod-obsolete.m4 serial 1 +dnl Copyright (C) 2011 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_STRTOD_OBSOLETE], +[ + dnl The real code is in strtod.m4. + : +]) diff --git a/m4/strtod.m4 b/m4/strtod.m4 index 4619c3357f..f40e342f43 100644 --- a/m4/strtod.m4 +++ b/m4/strtod.m4 @@ -1,4 +1,4 @@ -# strtod.m4 serial 19 +# strtod.m4 serial 20 dnl Copyright (C) 2002-2003, 2006-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -7,15 +7,18 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_STRTOD], [ AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) - dnl Test whether strtod is declared. - dnl Don't call AC_FUNC_STRTOD, because it does not have the right guess - dnl when cross-compiling. - dnl Don't call AC_CHECK_FUNCS([strtod]) because it would collide with the - dnl ac_cv_func_strtod variable set by the AC_FUNC_STRTOD macro. - AC_CHECK_DECLS_ONCE([strtod]) - if test $ac_cv_have_decl_strtod != yes; then - HAVE_STRTOD=0 - else + m4_ifdef([gl_FUNC_STRTOD_OBSOLETE], [ + dnl Test whether strtod is declared. + dnl Don't call AC_FUNC_STRTOD, because it does not have the right guess + dnl when cross-compiling. + dnl Don't call AC_CHECK_FUNCS([strtod]) because it would collide with the + dnl ac_cv_func_strtod variable set by the AC_FUNC_STRTOD macro. + AC_CHECK_DECLS_ONCE([strtod]) + if test $ac_cv_have_decl_strtod != yes; then + HAVE_STRTOD=0 + fi + ]) + if test $HAVE_STRTOD = 1; then AC_CACHE_CHECK([whether strtod obeys C99], [gl_cv_func_strtod_works], [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdlib.h> |