* build-aux/config.guess: Update from config.

[gnulib.git] / m4 / vasprintf-posix.m4

diff --git a/m4/vasprintf-posix.m4 b/m4/vasprintf-posix.m4
index 6c5fc58..ab26ef5 100644 (file)
--- a/m4/vasprintf-posix.m4
+++ b/m4/vasprintf-posix.m4
@@ -1,4 +1,4 @@
-# vasprintf-posix.m4 serial 2
+# vasprintf-posix.m4 serial 8
 dnl Copyright (C) 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,22 +8,70 @@ AC_DEFUN([gl_FUNC_VASPRINTF_POSIX],
 [
   AC_REQUIRE([gl_EOVERFLOW])
   AC_REQUIRE([gl_PRINTF_SIZES_C99])
+  AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
+  AC_REQUIRE([gl_PRINTF_INFINITE])
+  AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
   AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
+  AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
   AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
   AC_REQUIRE([gl_PRINTF_POSITIONS])
+  AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
+  AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
+  gl_cv_func_vasprintf_posix=no
   AC_CHECK_FUNCS([vasprintf])
-  if expr "$gl_cv_func_printf_sizes_c99" : ".*yes" > /dev/null \
-     && expr "$gl_cv_func_printf_directive_a" : ".*yes" > /dev/null \
-     && expr "$gl_cv_func_printf_directive_n" : ".*yes" > /dev/null \
-     && expr "$gl_cv_func_printf_positions" : ".*yes" > /dev/null \
-     && test $ac_cv_func_vasprintf = yes; then
-    : # vasprintf exists and is already POSIX compliant.
-  else
-    if ! expr "$gl_cv_func_printf_directive_a" : ".*yes" > /dev/null; then
-      AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
-        [Define if the vasnprintf implementation needs special code for
-         the 'a' and 'A' directives.])
-    fi
+  case "$gl_cv_func_printf_sizes_c99" in
+    *yes)
+      case "$gl_cv_func_printf_long_double" in
+        *yes)
+          case "$gl_cv_func_printf_infinite" in
+            *yes)
+              case "$gl_cv_func_printf_infinite_long_double" in
+                *yes)
+                  case "$gl_cv_func_printf_directive_a" in
+                    *yes)
+                      case "$gl_cv_func_printf_directive_f" in
+                        *yes)
+                          case "$gl_cv_func_printf_directive_n" in
+                            *yes)
+                              case "$gl_cv_func_printf_positions" in
+                                *yes)
+                                  case "$gl_cv_func_printf_flag_grouping" in
+                                    *yes)
+                                      case "$gl_cv_func_printf_flag_zero" in
+                                        *yes)
+                                          if test $ac_cv_func_vasprintf = yes; then
+                                            # vasprintf exists and is already
+                                            # POSIX compliant.
+                                            gl_cv_func_vasprintf_posix=yes
+                                          fi
+                                          ;;
+                                      esac
+                                      ;;
+                                  esac
+                                  ;;
+                              esac
+                              ;;
+                          esac
+                          ;;
+                      esac
+                      ;;
+                  esac
+                  ;;
+              esac
+              ;;
+          esac
+          ;;
+      esac
+      ;;
+  esac
+  if test $gl_cv_func_vasprintf_posix = no; then
+    gl_PREREQ_VASNPRINTF_LONG_DOUBLE
+    gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
+    gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
+    gl_PREREQ_VASNPRINTF_DIRECTIVE_A
+    gl_PREREQ_VASNPRINTF_DIRECTIVE_F
+    gl_PREREQ_VASNPRINTF_FLAG_GROUPING
+    gl_PREREQ_VASNPRINTF_FLAG_ZERO
     gl_REPLACE_VASNPRINTF
     gl_REPLACE_VASPRINTF
   fi