D'oh.

p4raw-id: //depot/perl@15342

2 files changed, 868 insertions, 0 deletions

diff --git a/ext/I18N/Langinfo/fallback/const-c.inc b/ext/I18N/Langinfo/fallback/const-c.inc
new file mode 100644
index 0000000000..ca073b7701
--- /dev/null
+++ b/ext/I18N/Langinfo/fallback/const-c.inc
@@ -0,0 +1,780 @@
+#define PERL_constant_NOTFOUND	1
+#define PERL_constant_NOTDEF	2
+#define PERL_constant_ISIV	3
+#define PERL_constant_ISNO	4
+#define PERL_constant_ISNV	5
+#define PERL_constant_ISPV	6
+#define PERL_constant_ISPVN	7
+#define PERL_constant_ISSV	8
+#define PERL_constant_ISUNDEF	9
+#define PERL_constant_ISUV	10
+#define PERL_constant_ISYES	11
+
+#ifndef NVTYPE
+typedef double NV; /* 5.6 and later define NVTYPE, and typedef NV to it.  */
+#endif
+#ifndef aTHX_
+#define aTHX_ /* 5.6 or later define this for threading support.  */
+#endif
+#ifndef pTHX_
+#define pTHX_ /* 5.6 or later define this for threading support.  */
+#endif
+
+static int
+constant_5 (pTHX_ const char *name, IV *iv_return) {
+  /* When generated this function returned values for the list of names given
+     here.  However, subsequent manual editing may have added or removed some.
+     DAY_1 DAY_2 DAY_3 DAY_4 DAY_5 DAY_6 DAY_7 D_FMT MON_1 MON_2 MON_3 MON_4
+     MON_5 MON_6 MON_7 MON_8 MON_9 NOSTR T_FMT */
+  /* Offset 4 gives the best switch position.  */
+  switch (name[4]) {
+  case '1':
+    if (memEQ(name, "DAY_1", 5)) {
+    /*                   ^      */
+#if defined(DAY_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = DAY_1;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_1", 5)) {
+    /*                   ^      */
+#if defined(MON_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_1;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '2':
+    if (memEQ(name, "DAY_2", 5)) {
+    /*                   ^      */
+#if defined(DAY_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = DAY_2;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_2", 5)) {
+    /*                   ^      */
+#if defined(MON_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_2;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '3':
+    if (memEQ(name, "DAY_3", 5)) {
+    /*                   ^      */
+#if defined(DAY_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = DAY_3;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_3", 5)) {
+    /*                   ^      */
+#if defined(MON_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_3;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '4':
+    if (memEQ(name, "DAY_4", 5)) {
+    /*                   ^      */
+#if defined(DAY_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = DAY_4;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_4", 5)) {
+    /*                   ^      */
+#if defined(MON_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_4;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '5':
+    if (memEQ(name, "DAY_5", 5)) {
+    /*                   ^      */
+#if defined(DAY_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = DAY_5;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_5", 5)) {
+    /*                   ^      */
+#if defined(MON_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_5;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '6':
+    if (memEQ(name, "DAY_6", 5)) {
+    /*                   ^      */
+#if defined(DAY_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = DAY_6;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_6", 5)) {
+    /*                   ^      */
+#if defined(MON_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_6;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '7':
+    if (memEQ(name, "DAY_7", 5)) {
+    /*                   ^      */
+#if defined(DAY_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = DAY_7;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_7", 5)) {
+    /*                   ^      */
+#if defined(MON_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_7;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '8':
+    if (memEQ(name, "MON_8", 5)) {
+    /*                   ^      */
+#if defined(MON_8) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_8;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '9':
+    if (memEQ(name, "MON_9", 5)) {
+    /*                   ^      */
+#if defined(MON_9) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_9;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'R':
+    if (memEQ(name, "NOSTR", 5)) {
+    /*                   ^      */
+#if defined(NOSTR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = NOSTR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'T':
+    if (memEQ(name, "D_FMT", 5)) {
+    /*                   ^      */
+#if defined(D_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = D_FMT;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "T_FMT", 5)) {
+    /*                   ^      */
+#if defined(T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = T_FMT;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  }
+  return PERL_constant_NOTFOUND;
+}
+
+static int
+constant_6 (pTHX_ const char *name, IV *iv_return) {
+  /* When generated this function returned values for the list of names given
+     here.  However, subsequent manual editing may have added or removed some.
+     AM_STR MON_10 MON_11 MON_12 NOEXPR PM_STR YESSTR */
+  /* Offset 0 gives the best switch position.  */
+  switch (name[0]) {
+  case 'A':
+    if (memEQ(name, "AM_STR", 6)) {
+    /*               ^           */
+#if defined(AM_STR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = AM_STR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'M':
+    if (memEQ(name, "MON_10", 6)) {
+    /*               ^           */
+#if defined(MON_10) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_10;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_11", 6)) {
+    /*               ^           */
+#if defined(MON_11) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_11;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "MON_12", 6)) {
+    /*               ^           */
+#if defined(MON_12) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = MON_12;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'N':
+    if (memEQ(name, "NOEXPR", 6)) {
+    /*               ^           */
+#if defined(NOEXPR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = NOEXPR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'P':
+    if (memEQ(name, "PM_STR", 6)) {
+    /*               ^           */
+#if defined(PM_STR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = PM_STR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'Y':
+    if (memEQ(name, "YESSTR", 6)) {
+    /*               ^           */
+#if defined(YESSTR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = YESSTR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  }
+  return PERL_constant_NOTFOUND;
+}
+
+static int
+constant_7 (pTHX_ const char *name, IV *iv_return) {
+  /* When generated this function returned values for the list of names given
+     here.  However, subsequent manual editing may have added or removed some.
+     ABDAY_1 ABDAY_2 ABDAY_3 ABDAY_4 ABDAY_5 ABDAY_6 ABDAY_7 ABMON_1 ABMON_2
+     ABMON_3 ABMON_4 ABMON_5 ABMON_6 ABMON_7 ABMON_8 ABMON_9 CODESET D_T_FMT
+     THOUSEP YESEXPR */
+  /* Offset 6 gives the best switch position.  */
+  switch (name[6]) {
+  case '1':
+    if (memEQ(name, "ABDAY_1", 7)) {
+    /*                     ^      */
+#if defined(ABDAY_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABDAY_1;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "ABMON_1", 7)) {
+    /*                     ^      */
+#if defined(ABMON_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_1;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '2':
+    if (memEQ(name, "ABDAY_2", 7)) {
+    /*                     ^      */
+#if defined(ABDAY_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABDAY_2;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "ABMON_2", 7)) {
+    /*                     ^      */
+#if defined(ABMON_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_2;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '3':
+    if (memEQ(name, "ABDAY_3", 7)) {
+    /*                     ^      */
+#if defined(ABDAY_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABDAY_3;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "ABMON_3", 7)) {
+    /*                     ^      */
+#if defined(ABMON_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_3;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '4':
+    if (memEQ(name, "ABDAY_4", 7)) {
+    /*                     ^      */
+#if defined(ABDAY_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABDAY_4;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "ABMON_4", 7)) {
+    /*                     ^      */
+#if defined(ABMON_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_4;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '5':
+    if (memEQ(name, "ABDAY_5", 7)) {
+    /*                     ^      */
+#if defined(ABDAY_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABDAY_5;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "ABMON_5", 7)) {
+    /*                     ^      */
+#if defined(ABMON_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_5;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '6':
+    if (memEQ(name, "ABDAY_6", 7)) {
+    /*                     ^      */
+#if defined(ABDAY_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABDAY_6;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "ABMON_6", 7)) {
+    /*                     ^      */
+#if defined(ABMON_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_6;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '7':
+    if (memEQ(name, "ABDAY_7", 7)) {
+    /*                     ^      */
+#if defined(ABDAY_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABDAY_7;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "ABMON_7", 7)) {
+    /*                     ^      */
+#if defined(ABMON_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_7;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '8':
+    if (memEQ(name, "ABMON_8", 7)) {
+    /*                     ^      */
+#if defined(ABMON_8) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_8;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '9':
+    if (memEQ(name, "ABMON_9", 7)) {
+    /*                     ^      */
+#if defined(ABMON_9) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_9;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'P':
+    if (memEQ(name, "THOUSEP", 7)) {
+    /*                     ^      */
+#if defined(THOUSEP) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM) && defined(__SVR4_I386_ABI_L1__))
+      *iv_return = THOUSEP;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'R':
+    if (memEQ(name, "YESEXPR", 7)) {
+    /*                     ^      */
+#if defined(YESEXPR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = YESEXPR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'T':
+    if (memEQ(name, "CODESET", 7)) {
+    /*                     ^      */
+#ifdef CODESET
+      *iv_return = CODESET;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    if (memEQ(name, "D_T_FMT", 7)) {
+    /*                     ^      */
+#if defined(D_T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = D_T_FMT;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  }
+  return PERL_constant_NOTFOUND;
+}
+
+static int
+constant_8 (pTHX_ const char *name, IV *iv_return) {
+  /* When generated this function returned values for the list of names given
+     here.  However, subsequent manual editing may have added or removed some.
+     ABMON_10 ABMON_11 ABMON_12 CRNCYSTR */
+  /* Offset 7 gives the best switch position.  */
+  switch (name[7]) {
+  case '0':
+    if (memEQ(name, "ABMON_10", 8)) {
+    /*                      ^      */
+#if defined(ABMON_10) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_10;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '1':
+    if (memEQ(name, "ABMON_11", 8)) {
+    /*                      ^      */
+#if defined(ABMON_11) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_11;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case '2':
+    if (memEQ(name, "ABMON_12", 8)) {
+    /*                      ^      */
+#if defined(ABMON_12) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ABMON_12;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'R':
+    if (memEQ(name, "CRNCYSTR", 8)) {
+    /*                      ^      */
+#if defined(CRNCYSTR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM) && defined(__SVR4_I386_ABI_L1__))
+      *iv_return = CRNCYSTR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  }
+  return PERL_constant_NOTFOUND;
+}
+
+static int
+constant_9 (pTHX_ const char *name, IV *iv_return) {
+  /* When generated this function returned values for the list of names given
+     here.  However, subsequent manual editing may have added or removed some.
+     ERA_D_FMT ERA_T_FMT RADIXCHAR */
+  /* Offset 4 gives the best switch position.  */
+  switch (name[4]) {
+  case 'D':
+    if (memEQ(name, "ERA_D_FMT", 9)) {
+    /*                   ^          */
+#if defined(ERA_D_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ERA_D_FMT;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'T':
+    if (memEQ(name, "ERA_T_FMT", 9)) {
+    /*                   ^          */
+#if defined(ERA_T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ERA_T_FMT;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 'X':
+    if (memEQ(name, "RADIXCHAR", 9)) {
+    /*                   ^          */
+#if defined(RADIXCHAR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM) && defined(__SVR4_I386_ABI_L1__))
+      *iv_return = RADIXCHAR;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  }
+  return PERL_constant_NOTFOUND;
+}
+
+static int
+constant (pTHX_ const char *name, STRLEN len, IV *iv_return) {
+  /* Initially switch on the length of the name.  */
+  /* When generated this function returned values for the list of names given
+     in this section of perl code.  Rather than manually editing these functions
+     to add or remove constants, which would result in this comment and section
+     of code becoming inaccurate, we recommend that you edit this section of
+     code, and use it to regenerate a new set of constant functions which you
+     then use to replace the originals.
+
+     Regenerate these constant functions by feeding this entire source file to
+     perl -x
+
+#!/mnt/six/blead/15141/miniperl -w
+use ExtUtils::Constant qw (constant_types C_constant XS_constant);
+
+my $types = {map {($_, 1)} qw(IV)};
+my @names = (qw(CODESET),
+            {name=>"ABDAY_1", type=>"IV", macro=>["#if defined(ABDAY_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABDAY_2", type=>"IV", macro=>["#if defined(ABDAY_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABDAY_3", type=>"IV", macro=>["#if defined(ABDAY_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABDAY_4", type=>"IV", macro=>["#if defined(ABDAY_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABDAY_5", type=>"IV", macro=>["#if defined(ABDAY_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABDAY_6", type=>"IV", macro=>["#if defined(ABDAY_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABDAY_7", type=>"IV", macro=>["#if defined(ABDAY_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_1", type=>"IV", macro=>["#if defined(ABMON_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_10", type=>"IV", macro=>["#if defined(ABMON_10) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_11", type=>"IV", macro=>["#if defined(ABMON_11) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_12", type=>"IV", macro=>["#if defined(ABMON_12) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_2", type=>"IV", macro=>["#if defined(ABMON_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_3", type=>"IV", macro=>["#if defined(ABMON_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_4", type=>"IV", macro=>["#if defined(ABMON_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_5", type=>"IV", macro=>["#if defined(ABMON_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_6", type=>"IV", macro=>["#if defined(ABMON_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_7", type=>"IV", macro=>["#if defined(ABMON_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_8", type=>"IV", macro=>["#if defined(ABMON_8) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ABMON_9", type=>"IV", macro=>["#if defined(ABMON_9) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ALT_DIGITS", type=>"IV", macro=>["#if defined(ALT_DIGITS) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"AM_STR", type=>"IV", macro=>["#if defined(AM_STR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"CRNCYSTR", type=>"IV", macro=>["#if defined(CRNCYSTR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM) && defined(__SVR4_I386_ABI_L1__))\n", "#endif\n"]},
+            {name=>"DAY_1", type=>"IV", macro=>["#if defined(DAY_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"DAY_2", type=>"IV", macro=>["#if defined(DAY_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"DAY_3", type=>"IV", macro=>["#if defined(DAY_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"DAY_4", type=>"IV", macro=>["#if defined(DAY_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"DAY_5", type=>"IV", macro=>["#if defined(DAY_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"DAY_6", type=>"IV", macro=>["#if defined(DAY_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"DAY_7", type=>"IV", macro=>["#if defined(DAY_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"D_FMT", type=>"IV", macro=>["#if defined(D_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"D_T_FMT", type=>"IV", macro=>["#if defined(D_T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ERA", type=>"IV", macro=>["#if defined(ERA) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ERA_D_FMT", type=>"IV", macro=>["#if defined(ERA_D_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ERA_D_T_FMT", type=>"IV", macro=>["#if defined(ERA_D_T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"ERA_T_FMT", type=>"IV", macro=>["#if defined(ERA_T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_1", type=>"IV", macro=>["#if defined(MON_1) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_10", type=>"IV", macro=>["#if defined(MON_10) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_11", type=>"IV", macro=>["#if defined(MON_11) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_12", type=>"IV", macro=>["#if defined(MON_12) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_2", type=>"IV", macro=>["#if defined(MON_2) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_3", type=>"IV", macro=>["#if defined(MON_3) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_4", type=>"IV", macro=>["#if defined(MON_4) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_5", type=>"IV", macro=>["#if defined(MON_5) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_6", type=>"IV", macro=>["#if defined(MON_6) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_7", type=>"IV", macro=>["#if defined(MON_7) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_8", type=>"IV", macro=>["#if defined(MON_8) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"MON_9", type=>"IV", macro=>["#if defined(MON_9) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"NOEXPR", type=>"IV", macro=>["#if defined(NOEXPR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"NOSTR", type=>"IV", macro=>["#if defined(NOSTR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"PM_STR", type=>"IV", macro=>["#if defined(PM_STR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"RADIXCHAR", type=>"IV", macro=>["#if defined(RADIXCHAR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM) && defined(__SVR4_I386_ABI_L1__))\n", "#endif\n"]},
+            {name=>"THOUSEP", type=>"IV", macro=>["#if defined(THOUSEP) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM) && defined(__SVR4_I386_ABI_L1__))\n", "#endif\n"]},
+            {name=>"T_FMT", type=>"IV", macro=>["#if defined(T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"T_FMT_AMPM", type=>"IV", macro=>["#if defined(T_FMT_AMPM) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"YESEXPR", type=>"IV", macro=>["#if defined(YESEXPR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]},
+            {name=>"YESSTR", type=>"IV", macro=>["#if defined(YESSTR) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))\n", "#endif\n"]});
+
+print constant_types(); # macro defs
+foreach (C_constant ("I18N::Langinfo", 'constant', 'IV', $types, undef, 3, @names) ) {
+    print $_, "\n"; # C constant subs
+}
+print "#### XS Section:\n";
+print XS_constant ("I18N::Langinfo", $types);
+__END__
+   */
+
+  switch (len) {
+  case 3:
+    if (memEQ(name, "ERA", 3)) {
+#if defined(ERA) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ERA;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  case 5:
+    return constant_5 (aTHX_ name, iv_return);
+    break;
+  case 6:
+    return constant_6 (aTHX_ name, iv_return);
+    break;
+  case 7:
+    return constant_7 (aTHX_ name, iv_return);
+    break;
+  case 8:
+    return constant_8 (aTHX_ name, iv_return);
+    break;
+  case 9:
+    return constant_9 (aTHX_ name, iv_return);
+    break;
+  case 10:
+    /* Names all of length 10.  */
+    /* ALT_DIGITS T_FMT_AMPM */
+    /* Offset 7 gives the best switch position.  */
+    switch (name[7]) {
+    case 'I':
+      if (memEQ(name, "ALT_DIGITS", 10)) {
+      /*                      ^         */
+#if defined(ALT_DIGITS) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+        *iv_return = ALT_DIGITS;
+        return PERL_constant_ISIV;
+#else
+        return PERL_constant_NOTDEF;
+#endif
+      }
+      break;
+    case 'M':
+      if (memEQ(name, "T_FMT_AMPM", 10)) {
+      /*                      ^         */
+#if defined(T_FMT_AMPM) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+        *iv_return = T_FMT_AMPM;
+        return PERL_constant_ISIV;
+#else
+        return PERL_constant_NOTDEF;
+#endif
+      }
+      break;
+    }
+    break;
+  case 11:
+    if (memEQ(name, "ERA_D_T_FMT", 11)) {
+#if defined(ERA_D_T_FMT) || (defined(__GNU_LIBRARY__) && defined(_NL_ITEM))
+      *iv_return = ERA_D_T_FMT;
+      return PERL_constant_ISIV;
+#else
+      return PERL_constant_NOTDEF;
+#endif
+    }
+    break;
+  }
+  return PERL_constant_NOTFOUND;
+}
+
diff --git a/ext/I18N/Langinfo/fallback/const-xs.inc b/ext/I18N/Langinfo/fallback/const-xs.inc
new file mode 100644
index 0000000000..16ae6e803d
--- /dev/null
+++ b/ext/I18N/Langinfo/fallback/const-xs.inc
@@ -0,0 +1,88 @@
+void
+constant(sv)
+    PREINIT:
+#ifdef dXSTARG
+	dXSTARG; /* Faster if we have it.  */
+#else
+	dTARGET;
+#endif
+	STRLEN		len;
+        int		type;
+	IV		iv;
+	/* NV		nv;	Uncomment this if you need to return NVs */
+	/* const char	*pv;	Uncomment this if you need to return PVs */
+    INPUT:
+	SV *		sv;
+        const char *	s = SvPV(sv, len);
+    PPCODE:
+        /* Change this to constant(aTHX_ s, len, &iv, &nv);
+           if you need to return both NVs and IVs */
+	type = constant(aTHX_ s, len, &iv);
+      /* Return 1 or 2 items. First is error message, or undef if no error.
+           Second, if present, is found value */
+        switch (type) {
+        case PERL_constant_NOTFOUND:
+          sv = sv_2mortal(newSVpvf("%s is not a valid I18N::Langinfo macro", s));
+          PUSHs(sv);
+          break;
+        case PERL_constant_NOTDEF:
+          sv = sv_2mortal(newSVpvf(
+	    "Your vendor has not defined I18N::Langinfo macro %s, used", s));
+          PUSHs(sv);
+          break;
+        case PERL_constant_ISIV:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHi(iv);
+          break;
+	/* Uncomment this if you need to return NOs
+        case PERL_constant_ISNO:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHs(&PL_sv_no);
+          break; */
+	/* Uncomment this if you need to return NVs
+        case PERL_constant_ISNV:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHn(nv);
+          break; */
+	/* Uncomment this if you need to return PVs
+        case PERL_constant_ISPV:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHp(pv, strlen(pv));
+          break; */
+	/* Uncomment this if you need to return PVNs
+        case PERL_constant_ISPVN:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHp(pv, iv);
+          break; */
+	/* Uncomment this if you need to return SVs
+        case PERL_constant_ISSV:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHs(sv);
+          break; */
+	/* Uncomment this if you need to return UNDEFs
+        case PERL_constant_ISUNDEF:
+          break; */
+	/* Uncomment this if you need to return UVs
+        case PERL_constant_ISUV:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHu((UV)iv);
+          break; */
+	/* Uncomment this if you need to return YESs
+        case PERL_constant_ISYES:
+          EXTEND(SP, 1);
+          PUSHs(&PL_sv_undef);
+          PUSHs(&PL_sv_yes);
+          break; */
+        default:
+          sv = sv_2mortal(newSVpvf(
+	    "Unexpected return type %d while processing I18N::Langinfo macro %s, used",
+               type, s));
+          PUSHs(sv);
+        }