diff options
author | Andreas Rottmann <a.rottmann@gmx.at> | 2010-05-27 18:23:17 +0200 |
---|---|---|
committer | Andreas Rottmann <a.rottmann@gmx.at> | 2010-05-27 18:23:17 +0200 |
commit | bd6adfa17d453e4c486e36fed4c5779db90a8a0e (patch) | |
tree | 9798677560d5f99061afe9f0db105a8c97f2438a /gnulib-m4/wctype_h.m4 | |
parent | 79ca645d222db2e158784642c3b464a47bea26f3 (diff) | |
parent | 3e0814cd9862b89c7a39672672937477bd87ddfb (diff) |
Merge commit 'upstream/0.9.3'
Diffstat (limited to 'gnulib-m4/wctype_h.m4')
-rw-r--r-- | gnulib-m4/wctype_h.m4 | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gnulib-m4/wctype_h.m4 b/gnulib-m4/wctype_h.m4 new file mode 100644 index 0000000..3292451 --- /dev/null +++ b/gnulib-m4/wctype_h.m4 @@ -0,0 +1,76 @@ +# wctype_h.m4 serial 6 + +dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it. + +dnl Copyright (C) 2006-2010 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. + +dnl Written by Paul Eggert. + +AC_DEFUN([gl_WCTYPE_H], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_CHECK_FUNCS_ONCE([iswcntrl]) + if test $ac_cv_func_iswcntrl = yes; then + HAVE_ISWCNTRL=1 + else + HAVE_ISWCNTRL=0 + fi + AC_SUBST([HAVE_ISWCNTRL]) + AC_CHECK_FUNCS_ONCE([iswblank]) + if test $ac_cv_func_iswblank = yes; then + HAVE_ISWBLANK=1 + else + HAVE_ISWBLANK=0 + fi + AC_SUBST([HAVE_ISWBLANK]) + AC_CHECK_HEADERS_ONCE([wctype.h]) + AC_REQUIRE([AC_C_INLINE]) + + AC_REQUIRE([gt_TYPE_WINT_T]) + if test $gt_cv_c_wint_t = yes; then + HAVE_WINT_T=1 + else + HAVE_WINT_T=0 + fi + AC_SUBST([HAVE_WINT_T]) + + if test $ac_cv_header_wctype_h = yes; then + if test $ac_cv_func_iswcntrl = yes; then + dnl Linux libc5 has an iswprint function that returns 0 for all arguments. + dnl The other functions are likely broken in the same way. + AC_CACHE_CHECK([whether iswcntrl works], [gl_cv_func_iswcntrl_works], + [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ + #include <stddef.h> + #include <stdio.h> + #include <time.h> + #include <wchar.h> + #include <wctype.h> + int main () { return iswprint ('x') == 0; }]])], + [gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h> + #if __GNU_LIBRARY__ == 1 + Linux libc5 i18n is broken. + #endif]], [])], + [gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no]) + ]) + ]) + fi + gl_CHECK_NEXT_HEADERS([wctype.h]) + HAVE_WCTYPE_H=1 + else + HAVE_WCTYPE_H=0 + fi + AC_SUBST([HAVE_WCTYPE_H]) + + if test "$gl_cv_func_iswcntrl_works" = no; then + REPLACE_ISWCNTRL=1 + else + REPLACE_ISWCNTRL=0 + fi + AC_SUBST([REPLACE_ISWCNTRL]) +]) |