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05d292b2 (kx 2023-03-24 03:51:10 +0300   1) # iconv.m4 serial 19 (gettext-0.18.2)
05d292b2 (kx 2023-03-24 03:51:10 +0300   2) dnl Copyright (C) 2000-2002, 2007-2014, 2016 Free Software Foundation, Inc.
05d292b2 (kx 2023-03-24 03:51:10 +0300   3) dnl This file is free software; the Free Software Foundation
05d292b2 (kx 2023-03-24 03:51:10 +0300   4) dnl gives unlimited permission to copy and/or distribute it,
05d292b2 (kx 2023-03-24 03:51:10 +0300   5) dnl with or without modifications, as long as this notice is preserved.
05d292b2 (kx 2023-03-24 03:51:10 +0300   6) 
05d292b2 (kx 2023-03-24 03:51:10 +0300   7) dnl From Bruno Haible.
05d292b2 (kx 2023-03-24 03:51:10 +0300   8) 
05d292b2 (kx 2023-03-24 03:51:10 +0300   9) AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
05d292b2 (kx 2023-03-24 03:51:10 +0300  10) [
05d292b2 (kx 2023-03-24 03:51:10 +0300  11)   dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
05d292b2 (kx 2023-03-24 03:51:10 +0300  12)   AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
05d292b2 (kx 2023-03-24 03:51:10 +0300  13)   AC_REQUIRE([AC_LIB_RPATH])
05d292b2 (kx 2023-03-24 03:51:10 +0300  14) 
05d292b2 (kx 2023-03-24 03:51:10 +0300  15)   dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
05d292b2 (kx 2023-03-24 03:51:10 +0300  16)   dnl accordingly.
05d292b2 (kx 2023-03-24 03:51:10 +0300  17)   AC_LIB_LINKFLAGS_BODY([iconv])
05d292b2 (kx 2023-03-24 03:51:10 +0300  18) ])
05d292b2 (kx 2023-03-24 03:51:10 +0300  19) 
05d292b2 (kx 2023-03-24 03:51:10 +0300  20) AC_DEFUN([AM_ICONV_LINK],
05d292b2 (kx 2023-03-24 03:51:10 +0300  21) [
05d292b2 (kx 2023-03-24 03:51:10 +0300  22)   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
05d292b2 (kx 2023-03-24 03:51:10 +0300  23)   dnl those with the standalone portable GNU libiconv installed).
05d292b2 (kx 2023-03-24 03:51:10 +0300  24)   AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
05d292b2 (kx 2023-03-24 03:51:10 +0300  25) 
05d292b2 (kx 2023-03-24 03:51:10 +0300  26)   dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
05d292b2 (kx 2023-03-24 03:51:10 +0300  27)   dnl accordingly.
05d292b2 (kx 2023-03-24 03:51:10 +0300  28)   AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
05d292b2 (kx 2023-03-24 03:51:10 +0300  29) 
05d292b2 (kx 2023-03-24 03:51:10 +0300  30)   dnl Add $INCICONV to CPPFLAGS before performing the following checks,
05d292b2 (kx 2023-03-24 03:51:10 +0300  31)   dnl because if the user has installed libiconv and not disabled its use
05d292b2 (kx 2023-03-24 03:51:10 +0300  32)   dnl via --without-libiconv-prefix, he wants to use it. The first
05d292b2 (kx 2023-03-24 03:51:10 +0300  33)   dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
05d292b2 (kx 2023-03-24 03:51:10 +0300  34)   am_save_CPPFLAGS="$CPPFLAGS"
05d292b2 (kx 2023-03-24 03:51:10 +0300  35)   AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
05d292b2 (kx 2023-03-24 03:51:10 +0300  36) 
05d292b2 (kx 2023-03-24 03:51:10 +0300  37)   AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
05d292b2 (kx 2023-03-24 03:51:10 +0300  38)     am_cv_func_iconv="no, consider installing GNU libiconv"
05d292b2 (kx 2023-03-24 03:51:10 +0300  39)     am_cv_lib_iconv=no
05d292b2 (kx 2023-03-24 03:51:10 +0300  40)     AC_LINK_IFELSE(
05d292b2 (kx 2023-03-24 03:51:10 +0300  41)       [AC_LANG_PROGRAM(
05d292b2 (kx 2023-03-24 03:51:10 +0300  42)          [[
05d292b2 (kx 2023-03-24 03:51:10 +0300  43) #include <stdlib.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300  44) #include <iconv.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300  45)          ]],
05d292b2 (kx 2023-03-24 03:51:10 +0300  46)          [[iconv_t cd = iconv_open("","");
05d292b2 (kx 2023-03-24 03:51:10 +0300  47)            iconv(cd,NULL,NULL,NULL,NULL);
05d292b2 (kx 2023-03-24 03:51:10 +0300  48)            iconv_close(cd);]])],
05d292b2 (kx 2023-03-24 03:51:10 +0300  49)       [am_cv_func_iconv=yes])
05d292b2 (kx 2023-03-24 03:51:10 +0300  50)     if test "$am_cv_func_iconv" != yes; then
05d292b2 (kx 2023-03-24 03:51:10 +0300  51)       am_save_LIBS="$LIBS"
05d292b2 (kx 2023-03-24 03:51:10 +0300  52)       LIBS="$LIBS $LIBICONV"
05d292b2 (kx 2023-03-24 03:51:10 +0300  53)       AC_LINK_IFELSE(
05d292b2 (kx 2023-03-24 03:51:10 +0300  54)         [AC_LANG_PROGRAM(
05d292b2 (kx 2023-03-24 03:51:10 +0300  55)            [[
05d292b2 (kx 2023-03-24 03:51:10 +0300  56) #include <stdlib.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300  57) #include <iconv.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300  58)            ]],
05d292b2 (kx 2023-03-24 03:51:10 +0300  59)            [[iconv_t cd = iconv_open("","");
05d292b2 (kx 2023-03-24 03:51:10 +0300  60)              iconv(cd,NULL,NULL,NULL,NULL);
05d292b2 (kx 2023-03-24 03:51:10 +0300  61)              iconv_close(cd);]])],
05d292b2 (kx 2023-03-24 03:51:10 +0300  62)         [am_cv_lib_iconv=yes]
05d292b2 (kx 2023-03-24 03:51:10 +0300  63)         [am_cv_func_iconv=yes])
05d292b2 (kx 2023-03-24 03:51:10 +0300  64)       LIBS="$am_save_LIBS"
05d292b2 (kx 2023-03-24 03:51:10 +0300  65)     fi
05d292b2 (kx 2023-03-24 03:51:10 +0300  66)   ])
05d292b2 (kx 2023-03-24 03:51:10 +0300  67)   if test "$am_cv_func_iconv" = yes; then
05d292b2 (kx 2023-03-24 03:51:10 +0300  68)     AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
05d292b2 (kx 2023-03-24 03:51:10 +0300  69)       dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
05d292b2 (kx 2023-03-24 03:51:10 +0300  70)       dnl Solaris 10.
05d292b2 (kx 2023-03-24 03:51:10 +0300  71)       am_save_LIBS="$LIBS"
05d292b2 (kx 2023-03-24 03:51:10 +0300  72)       if test $am_cv_lib_iconv = yes; then
05d292b2 (kx 2023-03-24 03:51:10 +0300  73)         LIBS="$LIBS $LIBICONV"
05d292b2 (kx 2023-03-24 03:51:10 +0300  74)       fi
05d292b2 (kx 2023-03-24 03:51:10 +0300  75)       am_cv_func_iconv_works=no
05d292b2 (kx 2023-03-24 03:51:10 +0300  76)       for ac_iconv_const in '' 'const'; do
05d292b2 (kx 2023-03-24 03:51:10 +0300  77)         AC_RUN_IFELSE(
05d292b2 (kx 2023-03-24 03:51:10 +0300  78)           [AC_LANG_PROGRAM(
05d292b2 (kx 2023-03-24 03:51:10 +0300  79)              [[
05d292b2 (kx 2023-03-24 03:51:10 +0300  80) #include <iconv.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300  81) #include <string.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300  82) 
05d292b2 (kx 2023-03-24 03:51:10 +0300  83) #ifndef ICONV_CONST
05d292b2 (kx 2023-03-24 03:51:10 +0300  84) # define ICONV_CONST $ac_iconv_const
05d292b2 (kx 2023-03-24 03:51:10 +0300  85) #endif
05d292b2 (kx 2023-03-24 03:51:10 +0300  86)              ]],
05d292b2 (kx 2023-03-24 03:51:10 +0300  87)              [[int result = 0;
05d292b2 (kx 2023-03-24 03:51:10 +0300  88)   /* Test against AIX 5.1 bug: Failures are not distinguishable from successful
05d292b2 (kx 2023-03-24 03:51:10 +0300  89)      returns.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300  90)   {
05d292b2 (kx 2023-03-24 03:51:10 +0300  91)     iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
05d292b2 (kx 2023-03-24 03:51:10 +0300  92)     if (cd_utf8_to_88591 != (iconv_t)(-1))
05d292b2 (kx 2023-03-24 03:51:10 +0300  93)       {
05d292b2 (kx 2023-03-24 03:51:10 +0300  94)         static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */
05d292b2 (kx 2023-03-24 03:51:10 +0300  95)         char buf[10];
05d292b2 (kx 2023-03-24 03:51:10 +0300  96)         ICONV_CONST char *inptr = input;
05d292b2 (kx 2023-03-24 03:51:10 +0300  97)         size_t inbytesleft = strlen (input);
05d292b2 (kx 2023-03-24 03:51:10 +0300  98)         char *outptr = buf;
05d292b2 (kx 2023-03-24 03:51:10 +0300  99)         size_t outbytesleft = sizeof (buf);
05d292b2 (kx 2023-03-24 03:51:10 +0300 100)         size_t res = iconv (cd_utf8_to_88591,
05d292b2 (kx 2023-03-24 03:51:10 +0300 101)                             &inptr, &inbytesleft,
05d292b2 (kx 2023-03-24 03:51:10 +0300 102)                             &outptr, &outbytesleft);
05d292b2 (kx 2023-03-24 03:51:10 +0300 103)         if (res == 0)
05d292b2 (kx 2023-03-24 03:51:10 +0300 104)           result |= 1;
05d292b2 (kx 2023-03-24 03:51:10 +0300 105)         iconv_close (cd_utf8_to_88591);
05d292b2 (kx 2023-03-24 03:51:10 +0300 106)       }
05d292b2 (kx 2023-03-24 03:51:10 +0300 107)   }
05d292b2 (kx 2023-03-24 03:51:10 +0300 108)   /* Test against Solaris 10 bug: Failures are not distinguishable from
05d292b2 (kx 2023-03-24 03:51:10 +0300 109)      successful returns.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 110)   {
05d292b2 (kx 2023-03-24 03:51:10 +0300 111)     iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
05d292b2 (kx 2023-03-24 03:51:10 +0300 112)     if (cd_ascii_to_88591 != (iconv_t)(-1))
05d292b2 (kx 2023-03-24 03:51:10 +0300 113)       {
05d292b2 (kx 2023-03-24 03:51:10 +0300 114)         static ICONV_CONST char input[] = "\263";
05d292b2 (kx 2023-03-24 03:51:10 +0300 115)         char buf[10];
05d292b2 (kx 2023-03-24 03:51:10 +0300 116)         ICONV_CONST char *inptr = input;
05d292b2 (kx 2023-03-24 03:51:10 +0300 117)         size_t inbytesleft = strlen (input);
05d292b2 (kx 2023-03-24 03:51:10 +0300 118)         char *outptr = buf;
05d292b2 (kx 2023-03-24 03:51:10 +0300 119)         size_t outbytesleft = sizeof (buf);
05d292b2 (kx 2023-03-24 03:51:10 +0300 120)         size_t res = iconv (cd_ascii_to_88591,
05d292b2 (kx 2023-03-24 03:51:10 +0300 121)                             &inptr, &inbytesleft,
05d292b2 (kx 2023-03-24 03:51:10 +0300 122)                             &outptr, &outbytesleft);
05d292b2 (kx 2023-03-24 03:51:10 +0300 123)         if (res == 0)
05d292b2 (kx 2023-03-24 03:51:10 +0300 124)           result |= 2;
05d292b2 (kx 2023-03-24 03:51:10 +0300 125)         iconv_close (cd_ascii_to_88591);
05d292b2 (kx 2023-03-24 03:51:10 +0300 126)       }
05d292b2 (kx 2023-03-24 03:51:10 +0300 127)   }
05d292b2 (kx 2023-03-24 03:51:10 +0300 128)   /* Test against AIX 6.1..7.1 bug: Buffer overrun.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 129)   {
05d292b2 (kx 2023-03-24 03:51:10 +0300 130)     iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
05d292b2 (kx 2023-03-24 03:51:10 +0300 131)     if (cd_88591_to_utf8 != (iconv_t)(-1))
05d292b2 (kx 2023-03-24 03:51:10 +0300 132)       {
05d292b2 (kx 2023-03-24 03:51:10 +0300 133)         static ICONV_CONST char input[] = "\304";
05d292b2 (kx 2023-03-24 03:51:10 +0300 134)         static char buf[2] = { (char)0xDE, (char)0xAD };
05d292b2 (kx 2023-03-24 03:51:10 +0300 135)         ICONV_CONST char *inptr = input;
05d292b2 (kx 2023-03-24 03:51:10 +0300 136)         size_t inbytesleft = 1;
05d292b2 (kx 2023-03-24 03:51:10 +0300 137)         char *outptr = buf;
05d292b2 (kx 2023-03-24 03:51:10 +0300 138)         size_t outbytesleft = 1;
05d292b2 (kx 2023-03-24 03:51:10 +0300 139)         size_t res = iconv (cd_88591_to_utf8,
05d292b2 (kx 2023-03-24 03:51:10 +0300 140)                             &inptr, &inbytesleft,
05d292b2 (kx 2023-03-24 03:51:10 +0300 141)                             &outptr, &outbytesleft);
05d292b2 (kx 2023-03-24 03:51:10 +0300 142)         if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
05d292b2 (kx 2023-03-24 03:51:10 +0300 143)           result |= 4;
05d292b2 (kx 2023-03-24 03:51:10 +0300 144)         iconv_close (cd_88591_to_utf8);
05d292b2 (kx 2023-03-24 03:51:10 +0300 145)       }
05d292b2 (kx 2023-03-24 03:51:10 +0300 146)   }
05d292b2 (kx 2023-03-24 03:51:10 +0300 147) #if 0 /* This bug could be worked around by the caller.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 148)   /* Test against HP-UX 11.11 bug: Positive return value instead of 0.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 149)   {
05d292b2 (kx 2023-03-24 03:51:10 +0300 150)     iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
05d292b2 (kx 2023-03-24 03:51:10 +0300 151)     if (cd_88591_to_utf8 != (iconv_t)(-1))
05d292b2 (kx 2023-03-24 03:51:10 +0300 152)       {
05d292b2 (kx 2023-03-24 03:51:10 +0300 153)         static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
05d292b2 (kx 2023-03-24 03:51:10 +0300 154)         char buf[50];
05d292b2 (kx 2023-03-24 03:51:10 +0300 155)         ICONV_CONST char *inptr = input;
05d292b2 (kx 2023-03-24 03:51:10 +0300 156)         size_t inbytesleft = strlen (input);
05d292b2 (kx 2023-03-24 03:51:10 +0300 157)         char *outptr = buf;
05d292b2 (kx 2023-03-24 03:51:10 +0300 158)         size_t outbytesleft = sizeof (buf);
05d292b2 (kx 2023-03-24 03:51:10 +0300 159)         size_t res = iconv (cd_88591_to_utf8,
05d292b2 (kx 2023-03-24 03:51:10 +0300 160)                             &inptr, &inbytesleft,
05d292b2 (kx 2023-03-24 03:51:10 +0300 161)                             &outptr, &outbytesleft);
05d292b2 (kx 2023-03-24 03:51:10 +0300 162)         if ((int)res > 0)
05d292b2 (kx 2023-03-24 03:51:10 +0300 163)           result |= 8;
05d292b2 (kx 2023-03-24 03:51:10 +0300 164)         iconv_close (cd_88591_to_utf8);
05d292b2 (kx 2023-03-24 03:51:10 +0300 165)       }
05d292b2 (kx 2023-03-24 03:51:10 +0300 166)   }
05d292b2 (kx 2023-03-24 03:51:10 +0300 167) #endif
05d292b2 (kx 2023-03-24 03:51:10 +0300 168)   /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
05d292b2 (kx 2023-03-24 03:51:10 +0300 169)      provided.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 170)   if (/* Try standardized names.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 171)       iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1)
05d292b2 (kx 2023-03-24 03:51:10 +0300 172)       /* Try IRIX, OSF/1 names.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 173)       && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1)
05d292b2 (kx 2023-03-24 03:51:10 +0300 174)       /* Try AIX names.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 175)       && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1)
05d292b2 (kx 2023-03-24 03:51:10 +0300 176)       /* Try HP-UX names.  */
05d292b2 (kx 2023-03-24 03:51:10 +0300 177)       && iconv_open ("utf8", "eucJP") == (iconv_t)(-1))
05d292b2 (kx 2023-03-24 03:51:10 +0300 178)     result |= 16;
05d292b2 (kx 2023-03-24 03:51:10 +0300 179)   return result;
05d292b2 (kx 2023-03-24 03:51:10 +0300 180) ]])],
05d292b2 (kx 2023-03-24 03:51:10 +0300 181)           [am_cv_func_iconv_works=yes], ,
05d292b2 (kx 2023-03-24 03:51:10 +0300 182)           [case "$host_os" in
05d292b2 (kx 2023-03-24 03:51:10 +0300 183)              aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
05d292b2 (kx 2023-03-24 03:51:10 +0300 184)              *)            am_cv_func_iconv_works="guessing yes" ;;
05d292b2 (kx 2023-03-24 03:51:10 +0300 185)            esac])
05d292b2 (kx 2023-03-24 03:51:10 +0300 186)         test "$am_cv_func_iconv_works" = no || break
05d292b2 (kx 2023-03-24 03:51:10 +0300 187)       done
05d292b2 (kx 2023-03-24 03:51:10 +0300 188)       LIBS="$am_save_LIBS"
05d292b2 (kx 2023-03-24 03:51:10 +0300 189)     ])
05d292b2 (kx 2023-03-24 03:51:10 +0300 190)     case "$am_cv_func_iconv_works" in
05d292b2 (kx 2023-03-24 03:51:10 +0300 191)       *no) am_func_iconv=no am_cv_lib_iconv=no ;;
05d292b2 (kx 2023-03-24 03:51:10 +0300 192)       *)   am_func_iconv=yes ;;
05d292b2 (kx 2023-03-24 03:51:10 +0300 193)     esac
05d292b2 (kx 2023-03-24 03:51:10 +0300 194)   else
05d292b2 (kx 2023-03-24 03:51:10 +0300 195)     am_func_iconv=no am_cv_lib_iconv=no
05d292b2 (kx 2023-03-24 03:51:10 +0300 196)   fi
05d292b2 (kx 2023-03-24 03:51:10 +0300 197)   if test "$am_func_iconv" = yes; then
05d292b2 (kx 2023-03-24 03:51:10 +0300 198)     AC_DEFINE([HAVE_ICONV], [1],
05d292b2 (kx 2023-03-24 03:51:10 +0300 199)       [Define if you have the iconv() function and it works.])
05d292b2 (kx 2023-03-24 03:51:10 +0300 200)   fi
05d292b2 (kx 2023-03-24 03:51:10 +0300 201)   if test "$am_cv_lib_iconv" = yes; then
05d292b2 (kx 2023-03-24 03:51:10 +0300 202)     AC_MSG_CHECKING([how to link with libiconv])
05d292b2 (kx 2023-03-24 03:51:10 +0300 203)     AC_MSG_RESULT([$LIBICONV])
05d292b2 (kx 2023-03-24 03:51:10 +0300 204)   else
05d292b2 (kx 2023-03-24 03:51:10 +0300 205)     dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
05d292b2 (kx 2023-03-24 03:51:10 +0300 206)     dnl either.
05d292b2 (kx 2023-03-24 03:51:10 +0300 207)     CPPFLAGS="$am_save_CPPFLAGS"
05d292b2 (kx 2023-03-24 03:51:10 +0300 208)     LIBICONV=
05d292b2 (kx 2023-03-24 03:51:10 +0300 209)     LTLIBICONV=
05d292b2 (kx 2023-03-24 03:51:10 +0300 210)   fi
05d292b2 (kx 2023-03-24 03:51:10 +0300 211)   AC_SUBST([LIBICONV])
05d292b2 (kx 2023-03-24 03:51:10 +0300 212)   AC_SUBST([LTLIBICONV])
05d292b2 (kx 2023-03-24 03:51:10 +0300 213) ])
05d292b2 (kx 2023-03-24 03:51:10 +0300 214) 
05d292b2 (kx 2023-03-24 03:51:10 +0300 215) dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to
05d292b2 (kx 2023-03-24 03:51:10 +0300 216) dnl avoid warnings like
05d292b2 (kx 2023-03-24 03:51:10 +0300 217) dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required".
05d292b2 (kx 2023-03-24 03:51:10 +0300 218) dnl This is tricky because of the way 'aclocal' is implemented:
05d292b2 (kx 2023-03-24 03:51:10 +0300 219) dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN.
05d292b2 (kx 2023-03-24 03:51:10 +0300 220) dnl   Otherwise aclocal's initial scan pass would miss the macro definition.
05d292b2 (kx 2023-03-24 03:51:10 +0300 221) dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions.
05d292b2 (kx 2023-03-24 03:51:10 +0300 222) dnl   Otherwise aclocal would emit many "Use of uninitialized value $1"
05d292b2 (kx 2023-03-24 03:51:10 +0300 223) dnl   warnings.
05d292b2 (kx 2023-03-24 03:51:10 +0300 224) m4_define([gl_iconv_AC_DEFUN],
05d292b2 (kx 2023-03-24 03:51:10 +0300 225)   m4_version_prereq([2.64],
05d292b2 (kx 2023-03-24 03:51:10 +0300 226)     [[AC_DEFUN_ONCE(
05d292b2 (kx 2023-03-24 03:51:10 +0300 227)         [$1], [$2])]],
05d292b2 (kx 2023-03-24 03:51:10 +0300 228)     [m4_ifdef([gl_00GNULIB],
05d292b2 (kx 2023-03-24 03:51:10 +0300 229)        [[AC_DEFUN_ONCE(
05d292b2 (kx 2023-03-24 03:51:10 +0300 230)            [$1], [$2])]],
05d292b2 (kx 2023-03-24 03:51:10 +0300 231)        [[AC_DEFUN(
05d292b2 (kx 2023-03-24 03:51:10 +0300 232)            [$1], [$2])]])]))
05d292b2 (kx 2023-03-24 03:51:10 +0300 233) gl_iconv_AC_DEFUN([AM_ICONV],
05d292b2 (kx 2023-03-24 03:51:10 +0300 234) [
05d292b2 (kx 2023-03-24 03:51:10 +0300 235)   AM_ICONV_LINK
05d292b2 (kx 2023-03-24 03:51:10 +0300 236)   if test "$am_cv_func_iconv" = yes; then
05d292b2 (kx 2023-03-24 03:51:10 +0300 237)     AC_MSG_CHECKING([for iconv declaration])
05d292b2 (kx 2023-03-24 03:51:10 +0300 238)     AC_CACHE_VAL([am_cv_proto_iconv], [
05d292b2 (kx 2023-03-24 03:51:10 +0300 239)       AC_COMPILE_IFELSE(
05d292b2 (kx 2023-03-24 03:51:10 +0300 240)         [AC_LANG_PROGRAM(
05d292b2 (kx 2023-03-24 03:51:10 +0300 241)            [[
05d292b2 (kx 2023-03-24 03:51:10 +0300 242) #include <stdlib.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300 243) #include <iconv.h>
05d292b2 (kx 2023-03-24 03:51:10 +0300 244) extern
05d292b2 (kx 2023-03-24 03:51:10 +0300 245) #ifdef __cplusplus
05d292b2 (kx 2023-03-24 03:51:10 +0300 246) "C"
05d292b2 (kx 2023-03-24 03:51:10 +0300 247) #endif
05d292b2 (kx 2023-03-24 03:51:10 +0300 248) #if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus)
05d292b2 (kx 2023-03-24 03:51:10 +0300 249) size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
05d292b2 (kx 2023-03-24 03:51:10 +0300 250) #else
05d292b2 (kx 2023-03-24 03:51:10 +0300 251) size_t iconv();
05d292b2 (kx 2023-03-24 03:51:10 +0300 252) #endif
05d292b2 (kx 2023-03-24 03:51:10 +0300 253)            ]],
05d292b2 (kx 2023-03-24 03:51:10 +0300 254)            [[]])],
05d292b2 (kx 2023-03-24 03:51:10 +0300 255)         [am_cv_proto_iconv_arg1=""],
05d292b2 (kx 2023-03-24 03:51:10 +0300 256)         [am_cv_proto_iconv_arg1="const"])
05d292b2 (kx 2023-03-24 03:51:10 +0300 257)       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
05d292b2 (kx 2023-03-24 03:51:10 +0300 258)     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
05d292b2 (kx 2023-03-24 03:51:10 +0300 259)     AC_MSG_RESULT([
05d292b2 (kx 2023-03-24 03:51:10 +0300 260)          $am_cv_proto_iconv])
05d292b2 (kx 2023-03-24 03:51:10 +0300 261)     AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
05d292b2 (kx 2023-03-24 03:51:10 +0300 262)       [Define as const if the declaration of iconv() needs const.])
05d292b2 (kx 2023-03-24 03:51:10 +0300 263)     dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
05d292b2 (kx 2023-03-24 03:51:10 +0300 264)     m4_ifdef([gl_ICONV_H_DEFAULTS],
05d292b2 (kx 2023-03-24 03:51:10 +0300 265)       [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
05d292b2 (kx 2023-03-24 03:51:10 +0300 266)        if test -n "$am_cv_proto_iconv_arg1"; then
05d292b2 (kx 2023-03-24 03:51:10 +0300 267)          ICONV_CONST="const"
05d292b2 (kx 2023-03-24 03:51:10 +0300 268)        fi
05d292b2 (kx 2023-03-24 03:51:10 +0300 269)       ])
05d292b2 (kx 2023-03-24 03:51:10 +0300 270)   fi
05d292b2 (kx 2023-03-24 03:51:10 +0300 271) ])