Math Processor Unit Library

868b2b66 (kx 2024-12-20 16:11:07 +0300   1) # iconv.m4 serial 21
868b2b66 (kx 2024-12-20 16:11:07 +0300   2) dnl Copyright (C) 2000-2002, 2007-2014, 2016-2020 Free Software Foundation,
868b2b66 (kx 2024-12-20 16:11:07 +0300   3) dnl Inc.
868b2b66 (kx 2024-12-20 16:11:07 +0300   4) dnl This file is free software; the Free Software Foundation
868b2b66 (kx 2024-12-20 16:11:07 +0300   5) dnl gives unlimited permission to copy and/or distribute it,
868b2b66 (kx 2024-12-20 16:11:07 +0300   6) dnl with or without modifications, as long as this notice is preserved.
868b2b66 (kx 2024-12-20 16:11:07 +0300   7) 
868b2b66 (kx 2024-12-20 16:11:07 +0300   8) dnl From Bruno Haible.
868b2b66 (kx 2024-12-20 16:11:07 +0300   9) 
868b2b66 (kx 2024-12-20 16:11:07 +0300  10) AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
868b2b66 (kx 2024-12-20 16:11:07 +0300  11) [
868b2b66 (kx 2024-12-20 16:11:07 +0300  12)   dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
868b2b66 (kx 2024-12-20 16:11:07 +0300  13)   AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
868b2b66 (kx 2024-12-20 16:11:07 +0300  14)   AC_REQUIRE([AC_LIB_RPATH])
868b2b66 (kx 2024-12-20 16:11:07 +0300  15) 
868b2b66 (kx 2024-12-20 16:11:07 +0300  16)   dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
868b2b66 (kx 2024-12-20 16:11:07 +0300  17)   dnl accordingly.
868b2b66 (kx 2024-12-20 16:11:07 +0300  18)   AC_LIB_LINKFLAGS_BODY([iconv])
868b2b66 (kx 2024-12-20 16:11:07 +0300  19) ])
868b2b66 (kx 2024-12-20 16:11:07 +0300  20) 
868b2b66 (kx 2024-12-20 16:11:07 +0300  21) AC_DEFUN([AM_ICONV_LINK],
868b2b66 (kx 2024-12-20 16:11:07 +0300  22) [
868b2b66 (kx 2024-12-20 16:11:07 +0300  23)   dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
868b2b66 (kx 2024-12-20 16:11:07 +0300  24)   dnl those with the standalone portable GNU libiconv installed).
868b2b66 (kx 2024-12-20 16:11:07 +0300  25)   AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
868b2b66 (kx 2024-12-20 16:11:07 +0300  26) 
868b2b66 (kx 2024-12-20 16:11:07 +0300  27)   dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
868b2b66 (kx 2024-12-20 16:11:07 +0300  28)   dnl accordingly.
868b2b66 (kx 2024-12-20 16:11:07 +0300  29)   AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
868b2b66 (kx 2024-12-20 16:11:07 +0300  30) 
868b2b66 (kx 2024-12-20 16:11:07 +0300  31)   dnl Add $INCICONV to CPPFLAGS before performing the following checks,
868b2b66 (kx 2024-12-20 16:11:07 +0300  32)   dnl because if the user has installed libiconv and not disabled its use
868b2b66 (kx 2024-12-20 16:11:07 +0300  33)   dnl via --without-libiconv-prefix, he wants to use it. The first
868b2b66 (kx 2024-12-20 16:11:07 +0300  34)   dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed.
868b2b66 (kx 2024-12-20 16:11:07 +0300  35)   am_save_CPPFLAGS="$CPPFLAGS"
868b2b66 (kx 2024-12-20 16:11:07 +0300  36)   AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
868b2b66 (kx 2024-12-20 16:11:07 +0300  37) 
868b2b66 (kx 2024-12-20 16:11:07 +0300  38)   AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [
868b2b66 (kx 2024-12-20 16:11:07 +0300  39)     am_cv_func_iconv="no, consider installing GNU libiconv"
868b2b66 (kx 2024-12-20 16:11:07 +0300  40)     am_cv_lib_iconv=no
868b2b66 (kx 2024-12-20 16:11:07 +0300  41)     AC_LINK_IFELSE(
868b2b66 (kx 2024-12-20 16:11:07 +0300  42)       [AC_LANG_PROGRAM(
868b2b66 (kx 2024-12-20 16:11:07 +0300  43)          [[
868b2b66 (kx 2024-12-20 16:11:07 +0300  44) #include <stdlib.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300  45) #include <iconv.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300  46)          ]],
868b2b66 (kx 2024-12-20 16:11:07 +0300  47)          [[iconv_t cd = iconv_open("","");
868b2b66 (kx 2024-12-20 16:11:07 +0300  48)            iconv(cd,NULL,NULL,NULL,NULL);
868b2b66 (kx 2024-12-20 16:11:07 +0300  49)            iconv_close(cd);]])],
868b2b66 (kx 2024-12-20 16:11:07 +0300  50)       [am_cv_func_iconv=yes])
868b2b66 (kx 2024-12-20 16:11:07 +0300  51)     if test "$am_cv_func_iconv" != yes; then
868b2b66 (kx 2024-12-20 16:11:07 +0300  52)       am_save_LIBS="$LIBS"
868b2b66 (kx 2024-12-20 16:11:07 +0300  53)       LIBS="$LIBS $LIBICONV"
868b2b66 (kx 2024-12-20 16:11:07 +0300  54)       AC_LINK_IFELSE(
868b2b66 (kx 2024-12-20 16:11:07 +0300  55)         [AC_LANG_PROGRAM(
868b2b66 (kx 2024-12-20 16:11:07 +0300  56)            [[
868b2b66 (kx 2024-12-20 16:11:07 +0300  57) #include <stdlib.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300  58) #include <iconv.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300  59)            ]],
868b2b66 (kx 2024-12-20 16:11:07 +0300  60)            [[iconv_t cd = iconv_open("","");
868b2b66 (kx 2024-12-20 16:11:07 +0300  61)              iconv(cd,NULL,NULL,NULL,NULL);
868b2b66 (kx 2024-12-20 16:11:07 +0300  62)              iconv_close(cd);]])],
868b2b66 (kx 2024-12-20 16:11:07 +0300  63)         [am_cv_lib_iconv=yes]
868b2b66 (kx 2024-12-20 16:11:07 +0300  64)         [am_cv_func_iconv=yes])
868b2b66 (kx 2024-12-20 16:11:07 +0300  65)       LIBS="$am_save_LIBS"
868b2b66 (kx 2024-12-20 16:11:07 +0300  66)     fi
868b2b66 (kx 2024-12-20 16:11:07 +0300  67)   ])
868b2b66 (kx 2024-12-20 16:11:07 +0300  68)   if test "$am_cv_func_iconv" = yes; then
868b2b66 (kx 2024-12-20 16:11:07 +0300  69)     AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [
868b2b66 (kx 2024-12-20 16:11:07 +0300  70)       dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11,
868b2b66 (kx 2024-12-20 16:11:07 +0300  71)       dnl Solaris 10.
868b2b66 (kx 2024-12-20 16:11:07 +0300  72)       am_save_LIBS="$LIBS"
868b2b66 (kx 2024-12-20 16:11:07 +0300  73)       if test $am_cv_lib_iconv = yes; then
868b2b66 (kx 2024-12-20 16:11:07 +0300  74)         LIBS="$LIBS $LIBICONV"
868b2b66 (kx 2024-12-20 16:11:07 +0300  75)       fi
868b2b66 (kx 2024-12-20 16:11:07 +0300  76)       am_cv_func_iconv_works=no
868b2b66 (kx 2024-12-20 16:11:07 +0300  77)       for ac_iconv_const in '' 'const'; do
868b2b66 (kx 2024-12-20 16:11:07 +0300  78)         AC_RUN_IFELSE(
868b2b66 (kx 2024-12-20 16:11:07 +0300  79)           [AC_LANG_PROGRAM(
868b2b66 (kx 2024-12-20 16:11:07 +0300  80)              [[
868b2b66 (kx 2024-12-20 16:11:07 +0300  81) #include <iconv.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300  82) #include <string.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300  83) 
868b2b66 (kx 2024-12-20 16:11:07 +0300  84) #ifndef ICONV_CONST
868b2b66 (kx 2024-12-20 16:11:07 +0300  85) # define ICONV_CONST $ac_iconv_const
868b2b66 (kx 2024-12-20 16:11:07 +0300  86) #endif
868b2b66 (kx 2024-12-20 16:11:07 +0300  87)              ]],
868b2b66 (kx 2024-12-20 16:11:07 +0300  88)              [[int result = 0;
868b2b66 (kx 2024-12-20 16:11:07 +0300  89)   /* Test against AIX 5.1 bug: Failures are not distinguishable from successful
868b2b66 (kx 2024-12-20 16:11:07 +0300  90)      returns.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300  91)   {
868b2b66 (kx 2024-12-20 16:11:07 +0300  92)     iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8");
868b2b66 (kx 2024-12-20 16:11:07 +0300  93)     if (cd_utf8_to_88591 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300  94)       {
868b2b66 (kx 2024-12-20 16:11:07 +0300  95)         static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */
868b2b66 (kx 2024-12-20 16:11:07 +0300  96)         char buf[10];
868b2b66 (kx 2024-12-20 16:11:07 +0300  97)         ICONV_CONST char *inptr = input;
868b2b66 (kx 2024-12-20 16:11:07 +0300  98)         size_t inbytesleft = strlen (input);
868b2b66 (kx 2024-12-20 16:11:07 +0300  99)         char *outptr = buf;
868b2b66 (kx 2024-12-20 16:11:07 +0300 100)         size_t outbytesleft = sizeof (buf);
868b2b66 (kx 2024-12-20 16:11:07 +0300 101)         size_t res = iconv (cd_utf8_to_88591,
868b2b66 (kx 2024-12-20 16:11:07 +0300 102)                             &inptr, &inbytesleft,
868b2b66 (kx 2024-12-20 16:11:07 +0300 103)                             &outptr, &outbytesleft);
868b2b66 (kx 2024-12-20 16:11:07 +0300 104)         if (res == 0)
868b2b66 (kx 2024-12-20 16:11:07 +0300 105)           result |= 1;
868b2b66 (kx 2024-12-20 16:11:07 +0300 106)         iconv_close (cd_utf8_to_88591);
868b2b66 (kx 2024-12-20 16:11:07 +0300 107)       }
868b2b66 (kx 2024-12-20 16:11:07 +0300 108)   }
868b2b66 (kx 2024-12-20 16:11:07 +0300 109)   /* Test against Solaris 10 bug: Failures are not distinguishable from
868b2b66 (kx 2024-12-20 16:11:07 +0300 110)      successful returns.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 111)   {
868b2b66 (kx 2024-12-20 16:11:07 +0300 112)     iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646");
868b2b66 (kx 2024-12-20 16:11:07 +0300 113)     if (cd_ascii_to_88591 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 114)       {
868b2b66 (kx 2024-12-20 16:11:07 +0300 115)         static ICONV_CONST char input[] = "\263";
868b2b66 (kx 2024-12-20 16:11:07 +0300 116)         char buf[10];
868b2b66 (kx 2024-12-20 16:11:07 +0300 117)         ICONV_CONST char *inptr = input;
868b2b66 (kx 2024-12-20 16:11:07 +0300 118)         size_t inbytesleft = strlen (input);
868b2b66 (kx 2024-12-20 16:11:07 +0300 119)         char *outptr = buf;
868b2b66 (kx 2024-12-20 16:11:07 +0300 120)         size_t outbytesleft = sizeof (buf);
868b2b66 (kx 2024-12-20 16:11:07 +0300 121)         size_t res = iconv (cd_ascii_to_88591,
868b2b66 (kx 2024-12-20 16:11:07 +0300 122)                             &inptr, &inbytesleft,
868b2b66 (kx 2024-12-20 16:11:07 +0300 123)                             &outptr, &outbytesleft);
868b2b66 (kx 2024-12-20 16:11:07 +0300 124)         if (res == 0)
868b2b66 (kx 2024-12-20 16:11:07 +0300 125)           result |= 2;
868b2b66 (kx 2024-12-20 16:11:07 +0300 126)         iconv_close (cd_ascii_to_88591);
868b2b66 (kx 2024-12-20 16:11:07 +0300 127)       }
868b2b66 (kx 2024-12-20 16:11:07 +0300 128)   }
868b2b66 (kx 2024-12-20 16:11:07 +0300 129)   /* Test against AIX 6.1..7.1 bug: Buffer overrun.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 130)   {
868b2b66 (kx 2024-12-20 16:11:07 +0300 131)     iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
868b2b66 (kx 2024-12-20 16:11:07 +0300 132)     if (cd_88591_to_utf8 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 133)       {
868b2b66 (kx 2024-12-20 16:11:07 +0300 134)         static ICONV_CONST char input[] = "\304";
868b2b66 (kx 2024-12-20 16:11:07 +0300 135)         static char buf[2] = { (char)0xDE, (char)0xAD };
868b2b66 (kx 2024-12-20 16:11:07 +0300 136)         ICONV_CONST char *inptr = input;
868b2b66 (kx 2024-12-20 16:11:07 +0300 137)         size_t inbytesleft = 1;
868b2b66 (kx 2024-12-20 16:11:07 +0300 138)         char *outptr = buf;
868b2b66 (kx 2024-12-20 16:11:07 +0300 139)         size_t outbytesleft = 1;
868b2b66 (kx 2024-12-20 16:11:07 +0300 140)         size_t res = iconv (cd_88591_to_utf8,
868b2b66 (kx 2024-12-20 16:11:07 +0300 141)                             &inptr, &inbytesleft,
868b2b66 (kx 2024-12-20 16:11:07 +0300 142)                             &outptr, &outbytesleft);
868b2b66 (kx 2024-12-20 16:11:07 +0300 143)         if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD)
868b2b66 (kx 2024-12-20 16:11:07 +0300 144)           result |= 4;
868b2b66 (kx 2024-12-20 16:11:07 +0300 145)         iconv_close (cd_88591_to_utf8);
868b2b66 (kx 2024-12-20 16:11:07 +0300 146)       }
868b2b66 (kx 2024-12-20 16:11:07 +0300 147)   }
868b2b66 (kx 2024-12-20 16:11:07 +0300 148) #if 0 /* This bug could be worked around by the caller.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 149)   /* Test against HP-UX 11.11 bug: Positive return value instead of 0.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 150)   {
868b2b66 (kx 2024-12-20 16:11:07 +0300 151)     iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591");
868b2b66 (kx 2024-12-20 16:11:07 +0300 152)     if (cd_88591_to_utf8 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 153)       {
868b2b66 (kx 2024-12-20 16:11:07 +0300 154)         static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
868b2b66 (kx 2024-12-20 16:11:07 +0300 155)         char buf[50];
868b2b66 (kx 2024-12-20 16:11:07 +0300 156)         ICONV_CONST char *inptr = input;
868b2b66 (kx 2024-12-20 16:11:07 +0300 157)         size_t inbytesleft = strlen (input);
868b2b66 (kx 2024-12-20 16:11:07 +0300 158)         char *outptr = buf;
868b2b66 (kx 2024-12-20 16:11:07 +0300 159)         size_t outbytesleft = sizeof (buf);
868b2b66 (kx 2024-12-20 16:11:07 +0300 160)         size_t res = iconv (cd_88591_to_utf8,
868b2b66 (kx 2024-12-20 16:11:07 +0300 161)                             &inptr, &inbytesleft,
868b2b66 (kx 2024-12-20 16:11:07 +0300 162)                             &outptr, &outbytesleft);
868b2b66 (kx 2024-12-20 16:11:07 +0300 163)         if ((int)res > 0)
868b2b66 (kx 2024-12-20 16:11:07 +0300 164)           result |= 8;
868b2b66 (kx 2024-12-20 16:11:07 +0300 165)         iconv_close (cd_88591_to_utf8);
868b2b66 (kx 2024-12-20 16:11:07 +0300 166)       }
868b2b66 (kx 2024-12-20 16:11:07 +0300 167)   }
868b2b66 (kx 2024-12-20 16:11:07 +0300 168) #endif
868b2b66 (kx 2024-12-20 16:11:07 +0300 169)   /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is
868b2b66 (kx 2024-12-20 16:11:07 +0300 170)      provided.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 171)   {
868b2b66 (kx 2024-12-20 16:11:07 +0300 172)     /* Try standardized names.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 173)     iconv_t cd1 = iconv_open ("UTF-8", "EUC-JP");
868b2b66 (kx 2024-12-20 16:11:07 +0300 174)     /* Try IRIX, OSF/1 names.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 175)     iconv_t cd2 = iconv_open ("UTF-8", "eucJP");
868b2b66 (kx 2024-12-20 16:11:07 +0300 176)     /* Try AIX names.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 177)     iconv_t cd3 = iconv_open ("UTF-8", "IBM-eucJP");
868b2b66 (kx 2024-12-20 16:11:07 +0300 178)     /* Try HP-UX names.  */
868b2b66 (kx 2024-12-20 16:11:07 +0300 179)     iconv_t cd4 = iconv_open ("utf8", "eucJP");
868b2b66 (kx 2024-12-20 16:11:07 +0300 180)     if (cd1 == (iconv_t)(-1) && cd2 == (iconv_t)(-1)
868b2b66 (kx 2024-12-20 16:11:07 +0300 181)         && cd3 == (iconv_t)(-1) && cd4 == (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 182)       result |= 16;
868b2b66 (kx 2024-12-20 16:11:07 +0300 183)     if (cd1 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 184)       iconv_close (cd1);
868b2b66 (kx 2024-12-20 16:11:07 +0300 185)     if (cd2 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 186)       iconv_close (cd2);
868b2b66 (kx 2024-12-20 16:11:07 +0300 187)     if (cd3 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 188)       iconv_close (cd3);
868b2b66 (kx 2024-12-20 16:11:07 +0300 189)     if (cd4 != (iconv_t)(-1))
868b2b66 (kx 2024-12-20 16:11:07 +0300 190)       iconv_close (cd4);
868b2b66 (kx 2024-12-20 16:11:07 +0300 191)   }
868b2b66 (kx 2024-12-20 16:11:07 +0300 192)   return result;
868b2b66 (kx 2024-12-20 16:11:07 +0300 193) ]])],
868b2b66 (kx 2024-12-20 16:11:07 +0300 194)           [am_cv_func_iconv_works=yes], ,
868b2b66 (kx 2024-12-20 16:11:07 +0300 195)           [case "$host_os" in
868b2b66 (kx 2024-12-20 16:11:07 +0300 196)              aix* | hpux*) am_cv_func_iconv_works="guessing no" ;;
868b2b66 (kx 2024-12-20 16:11:07 +0300 197)              *)            am_cv_func_iconv_works="guessing yes" ;;
868b2b66 (kx 2024-12-20 16:11:07 +0300 198)            esac])
868b2b66 (kx 2024-12-20 16:11:07 +0300 199)         test "$am_cv_func_iconv_works" = no || break
868b2b66 (kx 2024-12-20 16:11:07 +0300 200)       done
868b2b66 (kx 2024-12-20 16:11:07 +0300 201)       LIBS="$am_save_LIBS"
868b2b66 (kx 2024-12-20 16:11:07 +0300 202)     ])
868b2b66 (kx 2024-12-20 16:11:07 +0300 203)     case "$am_cv_func_iconv_works" in
868b2b66 (kx 2024-12-20 16:11:07 +0300 204)       *no) am_func_iconv=no am_cv_lib_iconv=no ;;
868b2b66 (kx 2024-12-20 16:11:07 +0300 205)       *)   am_func_iconv=yes ;;
868b2b66 (kx 2024-12-20 16:11:07 +0300 206)     esac
868b2b66 (kx 2024-12-20 16:11:07 +0300 207)   else
868b2b66 (kx 2024-12-20 16:11:07 +0300 208)     am_func_iconv=no am_cv_lib_iconv=no
868b2b66 (kx 2024-12-20 16:11:07 +0300 209)   fi
868b2b66 (kx 2024-12-20 16:11:07 +0300 210)   if test "$am_func_iconv" = yes; then
868b2b66 (kx 2024-12-20 16:11:07 +0300 211)     AC_DEFINE([HAVE_ICONV], [1],
868b2b66 (kx 2024-12-20 16:11:07 +0300 212)       [Define if you have the iconv() function and it works.])
868b2b66 (kx 2024-12-20 16:11:07 +0300 213)   fi
868b2b66 (kx 2024-12-20 16:11:07 +0300 214)   if test "$am_cv_lib_iconv" = yes; then
868b2b66 (kx 2024-12-20 16:11:07 +0300 215)     AC_MSG_CHECKING([how to link with libiconv])
868b2b66 (kx 2024-12-20 16:11:07 +0300 216)     AC_MSG_RESULT([$LIBICONV])
868b2b66 (kx 2024-12-20 16:11:07 +0300 217)   else
868b2b66 (kx 2024-12-20 16:11:07 +0300 218)     dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
868b2b66 (kx 2024-12-20 16:11:07 +0300 219)     dnl either.
868b2b66 (kx 2024-12-20 16:11:07 +0300 220)     CPPFLAGS="$am_save_CPPFLAGS"
868b2b66 (kx 2024-12-20 16:11:07 +0300 221)     LIBICONV=
868b2b66 (kx 2024-12-20 16:11:07 +0300 222)     LTLIBICONV=
868b2b66 (kx 2024-12-20 16:11:07 +0300 223)   fi
868b2b66 (kx 2024-12-20 16:11:07 +0300 224)   AC_SUBST([LIBICONV])
868b2b66 (kx 2024-12-20 16:11:07 +0300 225)   AC_SUBST([LTLIBICONV])
868b2b66 (kx 2024-12-20 16:11:07 +0300 226) ])
868b2b66 (kx 2024-12-20 16:11:07 +0300 227) 
868b2b66 (kx 2024-12-20 16:11:07 +0300 228) dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to
868b2b66 (kx 2024-12-20 16:11:07 +0300 229) dnl avoid warnings like
868b2b66 (kx 2024-12-20 16:11:07 +0300 230) dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required".
868b2b66 (kx 2024-12-20 16:11:07 +0300 231) dnl This is tricky because of the way 'aclocal' is implemented:
868b2b66 (kx 2024-12-20 16:11:07 +0300 232) dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN.
868b2b66 (kx 2024-12-20 16:11:07 +0300 233) dnl   Otherwise aclocal's initial scan pass would miss the macro definition.
868b2b66 (kx 2024-12-20 16:11:07 +0300 234) dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions.
868b2b66 (kx 2024-12-20 16:11:07 +0300 235) dnl   Otherwise aclocal would emit many "Use of uninitialized value $1"
868b2b66 (kx 2024-12-20 16:11:07 +0300 236) dnl   warnings.
868b2b66 (kx 2024-12-20 16:11:07 +0300 237) m4_define([gl_iconv_AC_DEFUN],
868b2b66 (kx 2024-12-20 16:11:07 +0300 238)   m4_version_prereq([2.64],
868b2b66 (kx 2024-12-20 16:11:07 +0300 239)     [[AC_DEFUN_ONCE(
868b2b66 (kx 2024-12-20 16:11:07 +0300 240)         [$1], [$2])]],
868b2b66 (kx 2024-12-20 16:11:07 +0300 241)     [m4_ifdef([gl_00GNULIB],
868b2b66 (kx 2024-12-20 16:11:07 +0300 242)        [[AC_DEFUN_ONCE(
868b2b66 (kx 2024-12-20 16:11:07 +0300 243)            [$1], [$2])]],
868b2b66 (kx 2024-12-20 16:11:07 +0300 244)        [[AC_DEFUN(
868b2b66 (kx 2024-12-20 16:11:07 +0300 245)            [$1], [$2])]])]))
868b2b66 (kx 2024-12-20 16:11:07 +0300 246) gl_iconv_AC_DEFUN([AM_ICONV],
868b2b66 (kx 2024-12-20 16:11:07 +0300 247) [
868b2b66 (kx 2024-12-20 16:11:07 +0300 248)   AM_ICONV_LINK
868b2b66 (kx 2024-12-20 16:11:07 +0300 249)   if test "$am_cv_func_iconv" = yes; then
868b2b66 (kx 2024-12-20 16:11:07 +0300 250)     AC_MSG_CHECKING([for iconv declaration])
868b2b66 (kx 2024-12-20 16:11:07 +0300 251)     AC_CACHE_VAL([am_cv_proto_iconv], [
868b2b66 (kx 2024-12-20 16:11:07 +0300 252)       AC_COMPILE_IFELSE(
868b2b66 (kx 2024-12-20 16:11:07 +0300 253)         [AC_LANG_PROGRAM(
868b2b66 (kx 2024-12-20 16:11:07 +0300 254)            [[
868b2b66 (kx 2024-12-20 16:11:07 +0300 255) #include <stdlib.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300 256) #include <iconv.h>
868b2b66 (kx 2024-12-20 16:11:07 +0300 257) extern
868b2b66 (kx 2024-12-20 16:11:07 +0300 258) #ifdef __cplusplus
868b2b66 (kx 2024-12-20 16:11:07 +0300 259) "C"
868b2b66 (kx 2024-12-20 16:11:07 +0300 260) #endif
868b2b66 (kx 2024-12-20 16:11:07 +0300 261) #if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus)
868b2b66 (kx 2024-12-20 16:11:07 +0300 262) size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
868b2b66 (kx 2024-12-20 16:11:07 +0300 263) #else
868b2b66 (kx 2024-12-20 16:11:07 +0300 264) size_t iconv();
868b2b66 (kx 2024-12-20 16:11:07 +0300 265) #endif
868b2b66 (kx 2024-12-20 16:11:07 +0300 266)            ]],
868b2b66 (kx 2024-12-20 16:11:07 +0300 267)            [[]])],
868b2b66 (kx 2024-12-20 16:11:07 +0300 268)         [am_cv_proto_iconv_arg1=""],
868b2b66 (kx 2024-12-20 16:11:07 +0300 269)         [am_cv_proto_iconv_arg1="const"])
868b2b66 (kx 2024-12-20 16:11:07 +0300 270)       am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
868b2b66 (kx 2024-12-20 16:11:07 +0300 271)     am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
868b2b66 (kx 2024-12-20 16:11:07 +0300 272)     AC_MSG_RESULT([
868b2b66 (kx 2024-12-20 16:11:07 +0300 273)          $am_cv_proto_iconv])
868b2b66 (kx 2024-12-20 16:11:07 +0300 274)   else
868b2b66 (kx 2024-12-20 16:11:07 +0300 275)     dnl When compiling GNU libiconv on a system that does not have iconv yet,
868b2b66 (kx 2024-12-20 16:11:07 +0300 276)     dnl pick the POSIX compliant declaration without 'const'.
868b2b66 (kx 2024-12-20 16:11:07 +0300 277)     am_cv_proto_iconv_arg1=""
868b2b66 (kx 2024-12-20 16:11:07 +0300 278)   fi
868b2b66 (kx 2024-12-20 16:11:07 +0300 279)   AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1],
868b2b66 (kx 2024-12-20 16:11:07 +0300 280)     [Define as const if the declaration of iconv() needs const.])
868b2b66 (kx 2024-12-20 16:11:07 +0300 281)   dnl Also substitute ICONV_CONST in the gnulib generated <iconv.h>.
868b2b66 (kx 2024-12-20 16:11:07 +0300 282)   m4_ifdef([gl_ICONV_H_DEFAULTS],
868b2b66 (kx 2024-12-20 16:11:07 +0300 283)     [AC_REQUIRE([gl_ICONV_H_DEFAULTS])
868b2b66 (kx 2024-12-20 16:11:07 +0300 284)      if test -n "$am_cv_proto_iconv_arg1"; then
868b2b66 (kx 2024-12-20 16:11:07 +0300 285)        ICONV_CONST="const"
868b2b66 (kx 2024-12-20 16:11:07 +0300 286)      fi
868b2b66 (kx 2024-12-20 16:11:07 +0300 287)     ])
868b2b66 (kx 2024-12-20 16:11:07 +0300 288) ])