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dnl
dnl custom autoconf rules for APRUTIL
dnl
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], [$2])
])
dnl
dnl APU_FIND_ICONV: find an iconv library
dnl
AC_DEFUN(APU_FIND_ICONV,[
apu_iconv_dir="unknown"
AC_ARG_WITH(iconv,[ --with-iconv[=DIR] path to iconv installation],
[ apu_iconv_dir="$withval"
if test "$apu_iconv_dir" != "yes"; then
APR_ADDTO(CPPFLAGS,[-I$apu_iconv_dir/include])
APR_ADDTO(LDFLAGS,[-L$apu_iconv_dir/lib])
fi
])
AC_CHECK_HEADER(iconv.h, [
APU_TRY_ICONV([ have_iconv="1" ], [
APR_ADDTO(LIBS,[-liconv])
APU_TRY_ICONV([
APR_ADDTO(APRUTIL_LIBS,[-liconv])
APR_ADDTO(APRUTIL_EXPORT_LIBS,[-liconv])
have_iconv="1" ],
[ have_iconv="0" ])
APR_REMOVEFROM(LIBS,[-liconv])
])
], [ have_iconv="0" ])
if test "$apu_iconv_dir" != "unknown"; then
if test "$have_iconv" != "1"; then
AC_MSG_ERROR([iconv support requested, but not found])
fi
APR_REMOVEFROM(CPPFLAGS,[-I$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)
])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
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