diff options
Diffstat (limited to 'build/apu-iconv.m4')
| -rw-r--r-- | build/apu-iconv.m4 | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/build/apu-iconv.m4 b/build/apu-iconv.m4 new file mode 100644 index 0000000..1304227 --- /dev/null +++ b/build/apu-iconv.m4 @@ -0,0 +1,132 @@ +dnl -------------------------------------------------------- -*- autoconf -*- +dnl Licensed to the Apache Software Foundation (ASF) under one or more +dnl contributor license agreements. See the NOTICE file distributed with +dnl this work for additional information regarding copyright ownership. +dnl The ASF licenses this file to You under the Apache License, Version 2.0 +dnl (the "License"); you may not use this file except in compliance with +dnl the License. You may obtain a copy of the License at +dnl +dnl http://www.apache.org/licenses/LICENSE-2.0 +dnl +dnl Unless required by applicable law or agreed to in writing, software +dnl distributed under the License is distributed on an "AS IS" BASIS, +dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +dnl See the License for the specific language governing permissions and +dnl limitations under the License. + +dnl +dnl APU_TRY_ICONV[ IF-SUCCESS, IF-FAILURE ]: try to compile for iconv. +dnl +AC_DEFUN([APU_TRY_ICONV], [ + AC_TRY_LINK([ +#include <stdlib.h> +#include <iconv.h> +], +[ + iconv_t cd = iconv_open("", ""); + iconv(cd, NULL, NULL, NULL, NULL); +], [$1], [$2]) +]) + +dnl +dnl APU_FIND_ICONV: find an iconv library +dnl +AC_DEFUN([APU_FIND_ICONV], [ + +apu_iconv_dir="unknown" +have_apr_iconv="0" +want_iconv="1" +AC_ARG_WITH(iconv,[ --with-iconv[=DIR] path to iconv installation], + [ apu_iconv_dir="$withval" + if test "$apu_iconv_dir" = "no"; then + have_apr_iconv="0" + have_iconv="0" + want_iconv="0" + elif test "$apu_iconv_dir" != "yes"; then + if test -f "$apu_iconv_dir/include/apr-1/api_version.h"; then + have_apr_iconv="1" + have_iconv="0" + APR_ADDTO(APRUTIL_INCLUDES,[-I$apu_iconv_dir/include/apr-1]) + APR_ADDTO(APRUTIL_LIBS,[$apu_iconv_dir/lib/libapriconv-1.la]) + AC_MSG_RESULT(using apr-iconv) + elif test -f "$apu_iconv_dir/include/iconv.h"; then + have_apr_iconv="0" + have_iconv="1" + APR_ADDTO(CPPFLAGS,[-I$apu_iconv_dir/include]) + APR_ADDTO(LDFLAGS,[-L$apu_iconv_dir/lib]) + fi + fi + ]) + +if test "$want_iconv" = "1" -a "$have_apr_iconv" != "1"; then + AC_CHECK_HEADER(iconv.h, [ + APU_TRY_ICONV([ have_iconv="1" ], [ + + APR_ADDTO(LIBS,[-liconv]) + + APU_TRY_ICONV([ + APR_ADDTO(APRUTIL_LIBS,[-liconv]) + APR_ADDTO(APRUTIL_EXPORT_LIBS,[-liconv]) + have_iconv="1" ], + [ have_iconv="0" ]) + + APR_REMOVEFROM(LIBS,[-liconv]) + + ]) + ], [ have_iconv="0" ]) +fi + +if test "$want_iconv" = "1" -a "$apu_iconv_dir" != "unknown"; then + if test "$have_iconv" != "1"; then + if test "$have_apr_iconv" != "1"; then + AC_MSG_ERROR([iconv support requested, but not found]) + fi + fi + APR_REMOVEFROM(CPPFLAGS,[-I$apu_iconv_dir/include]) + APR_REMOVEFROM(LDFLAGS,[-L$apu_iconv_dir/lib]) + APR_ADDTO(APRUTIL_INCLUDES,[-I$apu_iconv_dir/include]) + APR_ADDTO(APRUTIL_LDFLAGS,[-L$apu_iconv_dir/lib]) +fi + +if test "$have_iconv" = "1"; then + APU_CHECK_ICONV_INBUF +fi + +APR_FLAG_HEADERS(iconv.h langinfo.h) +APR_FLAG_FUNCS(nl_langinfo) +APR_CHECK_DEFINE(CODESET, langinfo.h, [CODESET defined in langinfo.h]) + +AC_SUBST(have_iconv) +AC_SUBST(have_apr_iconv) +])dnl + +dnl +dnl APU_CHECK_ICONV_INBUF +dnl +dnl Decide whether or not the inbuf parameter to iconv() is const. +dnl +dnl We try to compile something without const. If it fails to +dnl compile, we assume that the system's iconv() has const. +dnl Unfortunately, we won't realize when there was a compile +dnl warning, so we allow a variable -- apu_iconv_inbuf_const -- to +dnl be set in hints.m4 to specify whether or not iconv() has const +dnl on this parameter. +dnl +AC_DEFUN([APU_CHECK_ICONV_INBUF], [ +AC_MSG_CHECKING(for type of inbuf parameter to iconv) +if test "x$apu_iconv_inbuf_const" = "x"; then + APR_TRY_COMPILE_NO_WARNING([ + #include <stddef.h> + #include <iconv.h> + ],[ + iconv(0,(char **)0,(size_t *)0,(char **)0,(size_t *)0); + ], apu_iconv_inbuf_const="0", apu_iconv_inbuf_const="1") +fi +if test "$apu_iconv_inbuf_const" = "1"; then + AC_DEFINE(APU_ICONV_INBUF_CONST, 1, [Define if the inbuf parm to iconv() is const char **]) + msg="const char **" +else + msg="char **" +fi +AC_MSG_RESULT([$msg]) +])dnl |