Update upstream source from tag 'upstream/0.9.10'

Update to upstream version '0.9.10'
with Debian dir 9736048cfd7ea97640dba10ba42a3839100c5694

1 files changed, 368 insertions, 57 deletions

diff --git a/configure b/configure
index ee83f88..6de4ee2 100755
--- a/configure
+++ b/configure
@@ -731,6 +731,7 @@ INT64_MAX_EQ_LONG_MAX
 INT32_MAX_LT_INTMAX_MAX
 REPLACE_STRTOUMAX
 REPLACE_STRTOIMAX
+HAVE_IMAXDIV_T
 HAVE_DECL_STRTOUMAX
 HAVE_DECL_STRTOIMAX
 HAVE_DECL_IMAXDIV
@@ -1285,6 +1286,7 @@ REPLACE_CHOWN
 HAVE_SYS_PARAM_H
 HAVE_OS_H
 HAVE_DECL_TTYNAME_R
+HAVE_DECL_TRUNCATE
 HAVE_DECL_SETHOSTNAME
 HAVE_DECL_GETUSERSHELL
 HAVE_DECL_GETPAGESIZE
@@ -1296,7 +1298,6 @@ HAVE_DECL_FCHDIR
 HAVE_DECL_ENVIRON
 HAVE_USLEEP
 HAVE_UNLINKAT
-HAVE_TRUNCATE
 HAVE_SYMLINKAT
 HAVE_SYMLINK
 HAVE_SLEEP
@@ -1863,6 +1864,10 @@ LIBUNISTRING_COMPILE_UNICASE_U8_TOTITLE_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U8_TOTITLE_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U8_TOLOWER_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U8_TOLOWER_TRUE
+LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_FALSE
+LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_TRUE
+LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_FALSE
+LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U8_IS_UPPERCASE_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U8_IS_UPPERCASE_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U8_IS_TITLECASE_FALSE
@@ -1895,6 +1900,10 @@ LIBUNISTRING_COMPILE_UNICASE_U32_TOTITLE_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U32_TOTITLE_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U32_TOLOWER_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U32_TOLOWER_TRUE
+LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_FALSE
+LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_TRUE
+LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_FALSE
+LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U32_IS_UPPERCASE_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U32_IS_UPPERCASE_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U32_IS_TITLECASE_FALSE
@@ -1927,6 +1936,10 @@ LIBUNISTRING_COMPILE_UNICASE_U16_TOTITLE_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U16_TOTITLE_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U16_TOLOWER_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U16_TOLOWER_TRUE
+LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_FALSE
+LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_TRUE
+LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_FALSE
+LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U16_IS_UPPERCASE_FALSE
 LIBUNISTRING_COMPILE_UNICASE_U16_IS_UPPERCASE_TRUE
 LIBUNISTRING_COMPILE_UNICASE_U16_IS_TITLECASE_FALSE
@@ -7368,6 +7381,8 @@ fi
   # Code from module unicase/u16-is-titlecase-tests:
   # Code from module unicase/u16-is-uppercase:
   # Code from module unicase/u16-is-uppercase-tests:
+  # Code from module unicase/u16-prefix-context:
+  # Code from module unicase/u16-suffix-context:
   # Code from module unicase/u16-tolower:
   # Code from module unicase/u16-tolower-tests:
   # Code from module unicase/u16-totitle:
@@ -7397,6 +7412,8 @@ fi
   # Code from module unicase/u32-is-titlecase-tests:
   # Code from module unicase/u32-is-uppercase:
   # Code from module unicase/u32-is-uppercase-tests:
+  # Code from module unicase/u32-prefix-context:
+  # Code from module unicase/u32-suffix-context:
   # Code from module unicase/u32-tolower:
   # Code from module unicase/u32-tolower-tests:
   # Code from module unicase/u32-totitle:
@@ -7426,6 +7443,8 @@ fi
   # Code from module unicase/u8-is-titlecase-tests:
   # Code from module unicase/u8-is-uppercase:
   # Code from module unicase/u8-is-uppercase-tests:
+  # Code from module unicase/u8-prefix-context:
+  # Code from module unicase/u8-suffix-context:
   # Code from module unicase/u8-tolower:
   # Code from module unicase/u8-tolower-tests:
   # Code from module unicase/u8-totitle:
@@ -17750,6 +17769,80 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
          gl_cv_host_cpu_c_abi=powerpc
          ;;
 
+       riscv32 | riscv64 )
+         # There are 2 architectures (with variants): rv32* and rv64*.
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if __riscv_xlen == 64
+                  int ok;
+                #else
+                  error fail
+                #endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cpu=riscv64
+else
+  cpu=riscv32
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+         # There are 6 ABIs: ilp32, ilp32f, ilp32d, lp64, lp64f, lp64d.
+         # Size of 'long' and 'void *':
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if defined __LP64__
+                  int ok;
+                #else
+                  error fail
+                #endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  main_abi=lp64
+else
+  main_abi=ilp32
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+         # Float ABIs:
+         # __riscv_float_abi_double:
+         #   'float' and 'double' are passed in floating-point registers.
+         # __riscv_float_abi_single:
+         #   'float' are passed in floating-point registers.
+         # __riscv_float_abi_soft:
+         #   No values are passed in floating-point registers.
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if defined __riscv_float_abi_double
+                  int ok;
+                #else
+                  error fail
+                #endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  float_abi=d
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#if defined __riscv_float_abi_single
+                     int ok;
+                   #else
+                     error fail
+                   #endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  float_abi=f
+else
+  float_abi=''
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+         gl_cv_host_cpu_c_abi="${cpu}-${main_abi}${float_abi}"
+         ;;
+
        s390* )
          # On s390x, the C compiler may be generating 64-bit (= s390x) code
          # or 31-bit (= s390) code.
@@ -18183,7 +18276,7 @@ if test "${with_libiconv_prefix+set}" = set; then :
         additional_includedir="$withval/include"
         additional_libdir="$withval/$acl_libdirstem"
         if test "$acl_libdirstem2" != "$acl_libdirstem" \
-           && ! test -d "$withval/$acl_libdirstem"; then
+           && test ! -d "$withval/$acl_libdirstem"; then
           additional_libdir="$withval/$acl_libdirstem2"
         fi
       fi
@@ -21040,7 +21133,7 @@ if test "${with_libpth_prefix+set}" = set; then :
         additional_includedir="$withval/include"
         additional_libdir="$withval/$acl_libdirstem"
         if test "$acl_libdirstem2" != "$acl_libdirstem" \
-           && ! test -d "$withval/$acl_libdirstem"; then
+           && test ! -d "$withval/$acl_libdirstem"; then
           additional_libdir="$withval/$acl_libdirstem2"
         fi
       fi
@@ -21669,7 +21762,7 @@ else
 int
 main ()
 {
-#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+#if defined _WIN32 && ! defined __CYGWIN__
              choke me
              #endif
 
@@ -22057,7 +22150,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -22206,7 +22299,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -22343,7 +22436,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -24492,7 +24585,6 @@ q
   HAVE_SLEEP=1;
   HAVE_SYMLINK=1;
   HAVE_SYMLINKAT=1;
-  HAVE_TRUNCATE=1;
   HAVE_UNLINKAT=1;
   HAVE_USLEEP=1;
   HAVE_DECL_ENVIRON=1;
@@ -24504,6 +24596,7 @@ q
   HAVE_DECL_GETPAGESIZE=1;
   HAVE_DECL_GETUSERSHELL=1;
   HAVE_DECL_SETHOSTNAME=1;
+  HAVE_DECL_TRUNCATE=1;
   HAVE_DECL_TTYNAME_R=1;
   HAVE_OS_H=0;
   HAVE_SYS_PARAM_H=0;
@@ -25170,7 +25263,7 @@ nocrash_init (void)
     }
   }
 }
-#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+#elif defined _WIN32 && ! defined __CYGWIN__
 /* Avoid a crash on native Windows.  */
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
@@ -25959,7 +26052,7 @@ nocrash_init (void)
     }
   }
 }
-#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+#elif defined _WIN32 && ! defined __CYGWIN__
 /* Avoid a crash on native Windows.  */
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
@@ -26223,7 +26316,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -26657,6 +26750,7 @@ $as_echo "#define HAVE_MSVC_INVALID_PARAMETER_HANDLER 1" >>confdefs.h
   HAVE_DECL_IMAXDIV=1;
   HAVE_DECL_STRTOIMAX=1;
   HAVE_DECL_STRTOUMAX=1;
+  HAVE_IMAXDIV_T=1;
   REPLACE_STRTOIMAX=0;
   REPLACE_STRTOUMAX=0;
   INT32_MAX_LT_INTMAX_MAX=1;
@@ -33471,6 +33565,64 @@ fi
             || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
                  && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
                       || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt 10
+                         }
+                    }
+               }
+
+
+
+
+       }
+  }; then
+  LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_TRUE=
+  LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_FALSE='#'
+else
+  LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_TRUE='#'
+  LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_FALSE=
+fi
+
+
+
+
+       if  { test "$HAVE_LIBUNISTRING" != yes \
+    || {
+
+
+
+            test $LIBUNISTRING_VERSION_MAJOR -lt 0 \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt 10
+                         }
+                    }
+               }
+
+
+
+
+       }
+  }; then
+  LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_TRUE=
+  LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_FALSE='#'
+else
+  LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_TRUE='#'
+  LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_FALSE=
+fi
+
+
+
+
+       if  { test "$HAVE_LIBUNISTRING" != yes \
+    || {
+
+
+
+            test $LIBUNISTRING_VERSION_MAJOR -lt 0 \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
                            && test $LIBUNISTRING_VERSION_SUBMINOR -lt 8
                          }
                     }
@@ -33935,6 +34087,64 @@ fi
             || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
                  && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
                       || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt 10
+                         }
+                    }
+               }
+
+
+
+
+       }
+  }; then
+  LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_TRUE=
+  LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_FALSE='#'
+else
+  LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_TRUE='#'
+  LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_FALSE=
+fi
+
+
+
+
+       if  { test "$HAVE_LIBUNISTRING" != yes \
+    || {
+
+
+
+            test $LIBUNISTRING_VERSION_MAJOR -lt 0 \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt 10
+                         }
+                    }
+               }
+
+
+
+
+       }
+  }; then
+  LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_TRUE=
+  LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_FALSE='#'
+else
+  LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_TRUE='#'
+  LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_FALSE=
+fi
+
+
+
+
+       if  { test "$HAVE_LIBUNISTRING" != yes \
+    || {
+
+
+
+            test $LIBUNISTRING_VERSION_MAJOR -lt 0 \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
                            && test $LIBUNISTRING_VERSION_SUBMINOR -lt 8
                          }
                     }
@@ -34399,6 +34609,64 @@ fi
             || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
                  && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
                       || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt 10
+                         }
+                    }
+               }
+
+
+
+
+       }
+  }; then
+  LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_TRUE=
+  LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_FALSE='#'
+else
+  LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_TRUE='#'
+  LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_FALSE=
+fi
+
+
+
+
+       if  { test "$HAVE_LIBUNISTRING" != yes \
+    || {
+
+
+
+            test $LIBUNISTRING_VERSION_MAJOR -lt 0 \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
+                           && test $LIBUNISTRING_VERSION_SUBMINOR -lt 10
+                         }
+                    }
+               }
+
+
+
+
+       }
+  }; then
+  LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_TRUE=
+  LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_FALSE='#'
+else
+  LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_TRUE='#'
+  LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_FALSE=
+fi
+
+
+
+
+       if  { test "$HAVE_LIBUNISTRING" != yes \
+    || {
+
+
+
+            test $LIBUNISTRING_VERSION_MAJOR -lt 0 \
+            || { test $LIBUNISTRING_VERSION_MAJOR -eq 0 \
+                 && { test $LIBUNISTRING_VERSION_MINOR -lt 9 \
+                      || { test $LIBUNISTRING_VERSION_MINOR -eq 9 \
                            && test $LIBUNISTRING_VERSION_SUBMINOR -lt 8
                          }
                     }
@@ -41849,7 +42117,7 @@ else
 # include <fcntl.h>
 # include <stdio.h>
 # include <stdlib.h>
-# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# if defined _WIN32 && ! defined __CYGWIN__
 #  include <io.h>
 # endif
 #endif
@@ -49761,7 +50029,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -49900,7 +50168,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -50031,7 +50299,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -50172,7 +50440,7 @@ int main () {
      implement the Turkish upper-/lowercase mappings.  Therefore, let this
      program return 1 on BeOS.  */
   /* Check whether the given locale name is recognized by the system.  */
-#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+#if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -50600,18 +50868,37 @@ $as_echo "#define GNULIB_TEST_FDOPEN 1" >>confdefs.h
 
 
 
-  for ac_func in getpagesize
-do :
-  ac_fn_c_check_func "$LINENO" "getpagesize" "ac_cv_func_getpagesize"
-if test "x$ac_cv_func_getpagesize" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_GETPAGESIZE 1
+
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getpagesize" >&5
+$as_echo_n "checking for getpagesize... " >&6; }
+if ${gl_cv_func_getpagesize+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <unistd.h>
+int
+main ()
+{
+return getpagesize();
+  ;
+  return 0;
+}
+
 _ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  gl_cv_func_getpagesize=yes
+else
+  gl_cv_func_getpagesize=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
 fi
-done
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_getpagesize" >&5
+$as_echo "$gl_cv_func_getpagesize" >&6; }
 
-  if test $ac_cv_func_getpagesize = no; then
+  if test $gl_cv_func_getpagesize = no; then
     HAVE_GETPAGESIZE=0
     for ac_header in OS.h
 do :
@@ -51942,7 +52229,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -52081,7 +52368,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -52213,7 +52500,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -52362,7 +52649,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -52499,7 +52786,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -53449,7 +53736,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -53588,7 +53875,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -53720,7 +54007,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -53869,7 +54156,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -54463,7 +54750,7 @@ else
        /* For non-mingw systems, compilation will trivially succeed.
           For mingw, compilation will succeed for older mingw (system
           printf, "I64d") and fail for newer mingw (gnu printf, "lld"). */
-       #if ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) && \
+       #if (defined _WIN32 && ! defined __CYGWIN__) && \
          (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
        extern char PRIdMAX_probe[sizeof PRIdMAX == sizeof "I64d" ? 1 : -1];
        #endif
@@ -54888,7 +55175,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55027,7 +55314,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55159,7 +55446,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55305,7 +55592,7 @@ int main () {
      implement the Turkish upper-/lowercase mappings.  Therefore, let this
      program return 1 on BeOS.  */
   /* Check whether the given locale name is recognized by the system.  */
-#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+#if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55438,7 +55725,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55578,7 +55865,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55717,7 +56004,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55848,7 +56135,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -55987,7 +56274,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -56118,7 +56405,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -56231,7 +56518,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -56370,7 +56657,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -56501,7 +56788,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -56640,7 +56927,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -56771,7 +57058,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -56910,7 +57197,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -57041,7 +57328,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -57180,7 +57467,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -58679,7 +58966,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -59388,7 +59675,7 @@ int main () {
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -59527,7 +59814,7 @@ int main () {
      variables, and all locales use the UTF-8 encoding.  */
 #if !(defined __BEOS__ || defined __HAIKU__)
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -59659,7 +59946,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -59808,7 +60095,7 @@ int main ()
   return 1;
 #else
   /* Check whether the given locale name is recognized by the system.  */
-# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+# if defined _WIN32 && !defined __CYGWIN__
   /* On native Windows, setlocale(category, "") looks at the system settings,
      not at the environment variables.  Also, when an encoding suffix such
      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
@@ -60979,6 +61266,14 @@ if test -z "${LIBUNISTRING_COMPILE_UNICASE_U16_IS_UPPERCASE_TRUE}" && test -z "$
   as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U16_IS_UPPERCASE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT_FALSE}"; then
+  as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U16_PREFIX_CONTEXT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT_FALSE}"; then
+  as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U16_SUFFIX_CONTEXT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${LIBUNISTRING_COMPILE_UNICASE_U16_TOLOWER_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U16_TOLOWER_FALSE}"; then
   as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U16_TOLOWER\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -61043,6 +61338,14 @@ if test -z "${LIBUNISTRING_COMPILE_UNICASE_U32_IS_UPPERCASE_TRUE}" && test -z "$
   as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U32_IS_UPPERCASE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT_FALSE}"; then
+  as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U32_PREFIX_CONTEXT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT_FALSE}"; then
+  as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U32_SUFFIX_CONTEXT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${LIBUNISTRING_COMPILE_UNICASE_U32_TOLOWER_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U32_TOLOWER_FALSE}"; then
   as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U32_TOLOWER\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -61107,6 +61410,14 @@ if test -z "${LIBUNISTRING_COMPILE_UNICASE_U8_IS_UPPERCASE_TRUE}" && test -z "${
   as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U8_IS_UPPERCASE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT_FALSE}"; then
+  as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U8_PREFIX_CONTEXT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT_FALSE}"; then
+  as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U8_SUFFIX_CONTEXT\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${LIBUNISTRING_COMPILE_UNICASE_U8_TOLOWER_TRUE}" && test -z "${LIBUNISTRING_COMPILE_UNICASE_U8_TOLOWER_FALSE}"; then
   as_fn_error $? "conditional \"LIBUNISTRING_COMPILE_UNICASE_U8_TOLOWER\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5