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Diffstat (limited to 'm4/iconv_open.m4')
| -rw-r--r-- | m4/iconv_open.m4 | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/m4/iconv_open.m4 b/m4/iconv_open.m4 new file mode 100644 index 0000000..2d2f5e1 --- /dev/null +++ b/m4/iconv_open.m4 @@ -0,0 +1,60 @@ +# iconv_open.m4 serial 16 +dnl Copyright (C) 2007-2020 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_ICONV_OPEN], +[ + AC_REQUIRE([AM_ICONV]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + if test "$am_cv_func_iconv" = yes; then + dnl Provide the <iconv.h> override, for the sake of the C++ aliases. + gl_REPLACE_ICONV_H + dnl Test whether iconv_open accepts standardized encoding names. + dnl We know that GNU libiconv and GNU libc do. + AC_EGREP_CPP([gnu_iconv], [ + #include <iconv.h> + #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__) + gnu_iconv + #endif + ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no]) + if test $gl_func_iconv_gnu = no; then + iconv_flavor= + case "$host_os" in + aix*) iconv_flavor=ICONV_FLAVOR_AIX ;; + irix*) iconv_flavor=ICONV_FLAVOR_IRIX ;; + hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;; + osf*) iconv_flavor=ICONV_FLAVOR_OSF ;; + solaris*) iconv_flavor=ICONV_FLAVOR_SOLARIS ;; + openedition*) iconv_flavor=ICONV_FLAVOR_ZOS ;; + esac + if test -n "$iconv_flavor"; then + AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor], + [Define to a symbolic name denoting the flavor of iconv_open() + implementation.]) + gl_REPLACE_ICONV_OPEN + fi + fi + m4_ifdef([gl_FUNC_ICONV_OPEN_UTF_SUPPORT], [ + gl_FUNC_ICONV_OPEN_UTF_SUPPORT + case "$gl_cv_func_iconv_supports_utf" in + *yes) ;; + *) + REPLACE_ICONV_UTF=1 + AC_DEFINE([REPLACE_ICONV_UTF], [1], + [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.]) + REPLACE_ICONV=1 + gl_REPLACE_ICONV_OPEN + ;; + esac + ]) + fi +]) + +AC_DEFUN([gl_REPLACE_ICONV_OPEN], +[ + gl_REPLACE_ICONV_H + REPLACE_ICONV_OPEN=1 +]) |