| 1 | # Macro to add for using GNU gettext.
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| 2 | # Ulrich Drepper <drepper@cygnus.com>, 1995.
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| 3 | #
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| 4 | # This file can be copied and used freely without restrictions. It can
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| 5 | # be used in projects which are not available under the GNU General Public
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| 6 | # License or the GNU Library General Public License but which still want
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| 7 | # to provide support for the GNU gettext functionality.
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| 8 | # Please note that the actual code of the GNU gettext library is covered
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| 9 | # by the GNU Library General Public License, and the rest of the GNU
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| 10 | # gettext package package is covered by the GNU General Public License.
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| 11 | # They are *not* in the public domain.
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| 12 |
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| 13 | # serial 10
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| 14 |
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| 15 | dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR]).
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| 16 | dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library
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| 17 | dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static,
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| 18 | dnl depending on --{enable,disable}-{shared,static} and on the presence of
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| 19 | dnl AM-DISABLE-SHARED). Otherwise, a static library
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| 20 | dnl $(top_builddir)/intl/libintl.a will be created.
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| 21 | dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
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| 22 | dnl implementations (in libc or libintl) without the ngettext() function
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| 23 | dnl will be ignored.
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| 24 | dnl LIBDIR is used to find the intl libraries. If empty,
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| 25 | dnl the value `$(top_builddir)/intl/' is used.
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| 26 | dnl
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| 27 | dnl The result of the configuration is one of three cases:
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| 28 | dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
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| 29 | dnl and used.
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| 30 | dnl Catalog format: GNU --> install in $(datadir)
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| 31 | dnl Catalog extension: .mo after installation, .gmo in source tree
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| 32 | dnl 2) GNU gettext has been found in the system's C library.
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| 33 | dnl Catalog format: GNU --> install in $(datadir)
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| 34 | dnl Catalog extension: .mo after installation, .gmo in source tree
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| 35 | dnl 3) No internationalization, always use English msgid.
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| 36 | dnl Catalog format: none
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| 37 | dnl Catalog extension: none
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| 38 | dnl The use of .gmo is historical (it was needed to avoid overwriting the
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| 39 | dnl GNU format catalogs when building on a platform with an X/Open gettext),
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| 40 | dnl but we keep it in order not to force irrelevant filename changes on the
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| 41 | dnl maintainers.
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| 42 | dnl
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| 43 | AC_DEFUN([AM_WITH_NLS],
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| 44 | [AC_MSG_CHECKING([whether NLS is requested])
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| 45 | dnl Default is enabled NLS
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| 46 | AC_ARG_ENABLE(nls,
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| 47 | [ --disable-nls do not use Native Language Support],
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| 48 | USE_NLS=$enableval, USE_NLS=yes)
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| 49 | AC_MSG_RESULT($USE_NLS)
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| 50 | AC_SUBST(USE_NLS)
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| 51 |
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| 52 | BUILD_INCLUDED_LIBINTL=no
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| 53 | USE_INCLUDED_LIBINTL=no
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| 54 | INTLLIBS=
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| 55 |
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| 56 | dnl If we use NLS figure out what method
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| 57 | if test "$USE_NLS" = "yes"; then
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| 58 | AC_DEFINE(ENABLE_NLS, 1,
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| 59 | [Define to 1 if translation of program messages to the user's native language
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| 60 | is requested.])
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| 61 | AC_MSG_CHECKING([whether included gettext is requested])
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| 62 | AC_ARG_WITH(included-gettext,
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| 63 | [ --with-included-gettext use the GNU gettext library included here],
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| 64 | nls_cv_force_use_gnu_gettext=$withval,
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| 65 | nls_cv_force_use_gnu_gettext=no)
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| 66 | AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
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| 67 |
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| 68 | nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
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| 69 | if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
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| 70 | dnl User does not insist on using GNU NLS library. Figure out what
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| 71 | dnl to use. If GNU gettext is available we use this. Else we have
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| 72 | dnl to fall back to GNU NLS library.
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| 73 | CATOBJEXT=NONE
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| 74 |
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| 75 | dnl Add a version number to the cache macros.
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| 76 | define(gt_cv_func_gnugettext_libc, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libc])
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| 77 | define(gt_cv_func_gnugettext_libintl, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libintl])
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| 78 |
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| 79 | AC_CHECK_HEADER(libintl.h,
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| 80 | [AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
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| 81 | [AC_TRY_LINK([#include <libintl.h>
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| 82 | extern int _nl_msg_cat_cntr;],
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| 83 | [bindtextdomain ("", "");
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| 84 | return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr],
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| 85 | gt_cv_func_gnugettext_libc=yes,
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| 86 | gt_cv_func_gnugettext_libc=no)])
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| 87 |
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| 88 | if test "$gt_cv_func_gnugettext_libc" != "yes"; then
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| 89 | AC_CACHE_CHECK([for GNU gettext in libintl],
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| 90 | gt_cv_func_gnugettext_libintl,
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| 91 | [gt_save_LIBS="$LIBS"
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| 92 | LIBS="$LIBS -lintl $LIBICONV"
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| 93 | AC_TRY_LINK([#include <libintl.h>
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| 94 | extern int _nl_msg_cat_cntr;],
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| 95 | [bindtextdomain ("", "");
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| 96 | return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr],
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| 97 | gt_cv_func_gnugettext_libintl=yes,
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| 98 | gt_cv_func_gnugettext_libintl=no)
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| 99 | LIBS="$gt_save_LIBS"])
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| 100 | fi
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| 101 |
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| 102 | dnl If an already present or preinstalled GNU gettext() is found,
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| 103 | dnl use it. But if this macro is used in GNU gettext, and GNU
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| 104 | dnl gettext is already preinstalled in libintl, we update this
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| 105 | dnl libintl. (Cf. the install rule in intl/Makefile.in.)
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| 106 | if test "$gt_cv_func_gnugettext_libc" = "yes" \
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| 107 | || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
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| 108 | && test "$PACKAGE" != gettext; }; then
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| 109 | AC_DEFINE(HAVE_GETTEXT, 1,
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| 110 | [Define if the GNU gettext() function is already present or preinstalled.])
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| 111 |
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| 112 | if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
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| 113 | dnl If iconv() is in a separate libiconv library, then anyone
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| 114 | dnl linking with libintl{.a,.so} also needs to link with
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| 115 | dnl libiconv.
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| 116 | INTLLIBS="-lintl $LIBICONV"
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| 117 | fi
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| 118 |
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| 119 | gt_save_LIBS="$LIBS"
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| 120 | LIBS="$LIBS $INTLLIBS"
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| 121 | AC_CHECK_FUNCS(dcgettext)
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| 122 | LIBS="$gt_save_LIBS"
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| 123 |
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| 124 | dnl Search for GNU msgfmt in the PATH.
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| 125 | AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
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| 126 | [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
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| 127 | AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
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| 128 |
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| 129 | dnl Search for GNU xgettext in the PATH.
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| 130 | AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
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| 131 | [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
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| 132 |
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| 133 | CATOBJEXT=.gmo
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| 134 | fi
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| 135 | ])
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| 136 |
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| 137 | if test "$CATOBJEXT" = "NONE"; then
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| 138 | dnl GNU gettext is not found in the C library.
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| 139 | dnl Fall back on GNU gettext library.
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| 140 | nls_cv_use_gnu_gettext=yes
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| 141 | fi
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| 142 | fi
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| 143 |
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| 144 | if test "$nls_cv_use_gnu_gettext" = "yes"; then
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| 145 | dnl Mark actions used to generate GNU NLS library.
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| 146 | INTLOBJS="\$(GETTOBJS)"
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| 147 | AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
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| 148 | [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :)
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| 149 | AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
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| 150 | AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
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| 151 | [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :)
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| 152 | AC_SUBST(MSGFMT)
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| 153 | BUILD_INCLUDED_LIBINTL=yes
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| 154 | USE_INCLUDED_LIBINTL=yes
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| 155 | CATOBJEXT=.gmo
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| 156 | INTLLIBS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a $LIBICONV"
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| 157 | LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
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| 158 | fi
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| 159 |
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| 160 | dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
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| 161 | dnl Test whether we really found GNU msgfmt.
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| 162 | if test "$GMSGFMT" != ":"; then
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| 163 | dnl If it is no GNU msgfmt we define it as : so that the
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| 164 | dnl Makefiles still can work.
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| 165 | if $GMSGFMT --statistics /dev/null >/dev/null 2>&1; then
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| 166 | : ;
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| 167 | else
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| 168 | AC_MSG_RESULT(
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| 169 | [found msgfmt program is not GNU msgfmt; ignore it])
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| 170 | GMSGFMT=":"
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| 171 | fi
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| 172 | fi
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| 173 |
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| 174 | dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
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| 175 | dnl Test whether we really found GNU xgettext.
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| 176 | if test "$XGETTEXT" != ":"; then
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| 177 | dnl If it is no GNU xgettext we define it as : so that the
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| 178 | dnl Makefiles still can work.
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| 179 | if $XGETTEXT --omit-header /dev/null >/dev/null 2>&1; then
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| 180 | : ;
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| 181 | else
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| 182 | AC_MSG_RESULT(
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| 183 | [found xgettext program is not GNU xgettext; ignore it])
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| 184 | XGETTEXT=":"
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| 185 | fi
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| 186 | fi
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| 187 |
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| 188 | dnl We need to process the po/ directory.
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| 189 | POSUB=po
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| 190 | fi
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| 191 | AC_OUTPUT_COMMANDS(
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| 192 | [for ac_file in $CONFIG_FILES; do
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| 193 | # Support "outfile[:infile[:infile...]]"
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| 194 | case "$ac_file" in
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| 195 | *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
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| 196 | esac
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| 197 | # PO directories have a Makefile.in generated from Makefile.in.in.
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| 198 | case "$ac_file" in */Makefile.in)
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| 199 | # Adjust a relative srcdir.
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| 200 | ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
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| 201 | ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
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| 202 | ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
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| 203 | # In autoconf-2.13 it is called $ac_given_srcdir.
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| 204 | # In autoconf-2.50 it is called $srcdir.
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| 205 | test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
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| 206 | case "$ac_given_srcdir" in
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| 207 | .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
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| 208 | /*) top_srcdir="$ac_given_srcdir" ;;
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| 209 | *) top_srcdir="$ac_dots$ac_given_srcdir" ;;
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| 210 | esac
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| 211 | if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
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| 212 | rm -f "$ac_dir/POTFILES"
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| 213 | test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
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| 214 | sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," -e "\$s/\(.*\) \\\\/\1/" < "$ac_given_srcdir/$ac_dir/POTFILES.in" > "$ac_dir/POTFILES"
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| 215 | test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
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| 216 | sed -e "/POTFILES =/r $ac_dir/POTFILES" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
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| 217 | fi
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| 218 | ;;
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| 219 | esac
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| 220 | done])
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| 221 |
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| 222 |
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| 223 | dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
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| 224 | dnl to 'yes' because some of the testsuite requires it.
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| 225 | if test "$PACKAGE" = gettext; then
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| 226 | BUILD_INCLUDED_LIBINTL=yes
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| 227 | fi
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| 228 |
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| 229 | dnl intl/plural.c is generated from intl/plural.y. It requires bison,
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| 230 | dnl because plural.y uses bison specific features. It requires at least
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| 231 | dnl bison-1.26 because earlier versions generate a plural.c that doesn't
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| 232 | dnl compile.
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| 233 | dnl bison is only needed for the maintainer (who touches plural.y). But in
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| 234 | dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
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| 235 | dnl the rule in general Makefile. Now, some people carelessly touch the
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| 236 | dnl files or have a broken "make" program, hence the plural.c rule will
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| 237 | dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
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| 238 | dnl present or too old.
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| 239 | AC_CHECK_PROGS([INTLBISON], [bison])
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| 240 | if test -z "$INTLBISON"; then
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| 241 | ac_verc_fail=yes
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| 242 | else
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| 243 | dnl Found it, now check the version.
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| 244 | AC_MSG_CHECKING([version of bison])
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| 245 | changequote(<<,>>)dnl
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| 246 | ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
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| 247 | case $ac_prog_version in
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| 248 | '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
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| 249 | 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
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| 250 | changequote([,])dnl
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| 251 | ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
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| 252 | *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
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| 253 | esac
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| 254 | AC_MSG_RESULT([$ac_prog_version])
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| 255 | fi
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| 256 | if test $ac_verc_fail = yes; then
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| 257 | INTLBISON=:
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| 258 | fi
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| 259 |
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| 260 | dnl These rules are solely for the distribution goal. While doing this
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| 261 | dnl we only have to keep exactly one list of the available catalogs
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| 262 | dnl in configure.in.
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| 263 | for lang in $ALL_LINGUAS; do
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| 264 | GMOFILES="$GMOFILES $lang.gmo"
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| 265 | POFILES="$POFILES $lang.po"
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| 266 | done
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| 267 |
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| 268 | dnl Make all variables we use known to autoconf.
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| 269 | AC_SUBST(BUILD_INCLUDED_LIBINTL)
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| 270 | AC_SUBST(USE_INCLUDED_LIBINTL)
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| 271 | AC_SUBST(CATALOGS)
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| 272 | AC_SUBST(CATOBJEXT)
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| 273 | AC_SUBST(GMOFILES)
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| 274 | AC_SUBST(INTLLIBS)
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| 275 | AC_SUBST(INTLOBJS)
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| 276 | AC_SUBST(POFILES)
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| 277 | AC_SUBST(POSUB)
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| 278 |
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| 279 | dnl For backward compatibility. Some configure.ins may be using this.
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| 280 | nls_cv_header_intl=
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| 281 | nls_cv_header_libgt=
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| 282 |
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| 283 | dnl For backward compatibility. Some Makefiles may be using this.
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| 284 | DATADIRNAME=share
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| 285 | AC_SUBST(DATADIRNAME)
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| 286 |
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| 287 | dnl For backward compatibility. Some Makefiles may be using this.
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| 288 | INSTOBJEXT=.mo
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| 289 | AC_SUBST(INSTOBJEXT)
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| 290 |
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| 291 | dnl For backward compatibility. Some Makefiles may be using this.
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| 292 | GENCAT=gencat
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| 293 | AC_SUBST(GENCAT)
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| 294 | ])
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| 295 |
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| 296 | dnl Usage: Just like AM_WITH_NLS, which see.
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| 297 | AC_DEFUN([AM_GNU_GETTEXT],
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| 298 | [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
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| 299 | AC_REQUIRE([AC_PROG_CC])dnl
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| 300 | AC_REQUIRE([AC_CANONICAL_HOST])dnl
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| 301 | AC_REQUIRE([AC_PROG_RANLIB])dnl
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| 302 | AC_REQUIRE([AC_ISC_POSIX])dnl
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| 303 | AC_REQUIRE([AC_HEADER_STDC])dnl
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| 304 | AC_REQUIRE([AC_C_CONST])dnl
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| 305 | AC_REQUIRE([AC_C_INLINE])dnl
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| 306 | AC_REQUIRE([AC_TYPE_OFF_T])dnl
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| 307 | AC_REQUIRE([AC_TYPE_SIZE_T])dnl
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| 308 | AC_REQUIRE([AC_FUNC_ALLOCA])dnl
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| 309 | AC_REQUIRE([AC_FUNC_MMAP])dnl
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| 310 | AC_REQUIRE([jm_GLIBC21])dnl
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| 311 |
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| 312 | AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
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| 313 | stdlib.h string.h unistd.h sys/param.h])
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| 314 | AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd getegid geteuid \
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| 315 | getgid getuid mempcpy munmap putenv setenv setlocale stpcpy strchr strcasecmp \
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| 316 | strdup strtoul tsearch __argz_count __argz_stringify __argz_next])
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| 317 |
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| 318 | AM_ICONV
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| 319 | AM_LANGINFO_CODESET
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| 320 | AM_LC_MESSAGES
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| 321 | AM_WITH_NLS([$1],[$2],[$3])
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| 322 |
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| 323 | if test "x$CATOBJEXT" != "x"; then
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| 324 | if test "x$ALL_LINGUAS" = "x"; then
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| 325 | LINGUAS=
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| 326 | else
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| 327 | AC_MSG_CHECKING(for catalogs to be installed)
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| 328 | NEW_LINGUAS=
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| 329 | for presentlang in $ALL_LINGUAS; do
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| 330 | useit=no
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| 331 | for desiredlang in ${LINGUAS-$ALL_LINGUAS}; do
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| 332 | # Use the presentlang catalog if desiredlang is
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| 333 | # a. equal to presentlang, or
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| 334 | # b. a variant of presentlang (because in this case,
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| 335 | # presentlang can be used as a fallback for messages
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| 336 | # which are not translated in the desiredlang catalog).
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| 337 | case "$desiredlang" in
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| 338 | "$presentlang"*) useit=yes;;
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| 339 | esac
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| 340 | done
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| 341 | if test $useit = yes; then
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| 342 | NEW_LINGUAS="$NEW_LINGUAS $presentlang"
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| 343 | fi
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| 344 | done
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| 345 | LINGUAS=$NEW_LINGUAS
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| 346 | AC_MSG_RESULT($LINGUAS)
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| 347 | fi
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| 348 |
|
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| 349 | dnl Construct list of names of catalog files to be constructed.
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|---|
| 350 | if test -n "$LINGUAS"; then
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| 351 | for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
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| 352 | fi
|
|---|
| 353 | fi
|
|---|
| 354 |
|
|---|
| 355 | dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
|
|---|
| 356 | dnl find the mkinstalldirs script in another subdir but $(top_srcdir).
|
|---|
| 357 | dnl Try to locate is.
|
|---|
| 358 | MKINSTALLDIRS=
|
|---|
| 359 | if test -n "$ac_aux_dir"; then
|
|---|
| 360 | MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
|
|---|
| 361 | fi
|
|---|
| 362 | if test -z "$MKINSTALLDIRS"; then
|
|---|
| 363 | MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
|
|---|
| 364 | fi
|
|---|
| 365 | AC_SUBST(MKINSTALLDIRS)
|
|---|
| 366 |
|
|---|
| 367 | dnl Enable libtool support if the surrounding package wishes it.
|
|---|
| 368 | INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], [])
|
|---|
| 369 | AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
|
|---|
| 370 | ])
|
|---|
