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Diff for /embedaddon/libiconv/srcm4/gnulib-common.m4 between versions 1.1 and 1.1.1.2

version 1.1, 2012/02/21 22:57:49 version 1.1.1.2, 2012/05/29 09:29:44
Line 1 Line 1
# gnulib-common.m4 serial 11# gnulib-common.m4 serial 29
dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation  dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,  dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.  dnl with or without modifications, as long as this notice is preserved.
Line 12  AC_DEFUN([gl_COMMON], [ Line 12  AC_DEFUN([gl_COMMON], [
   AC_REQUIRE([gl_COMMON_BODY])    AC_REQUIRE([gl_COMMON_BODY])
 ])  ])
 AC_DEFUN([gl_COMMON_BODY], [  AC_DEFUN([gl_COMMON_BODY], [
     AH_VERBATIM([_Noreturn],
   [/* The _Noreturn keyword of draft C1X.  */
   #ifndef _Noreturn
   # if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
         || 0x5110 <= __SUNPRO_C)
   #  define _Noreturn __attribute__ ((__noreturn__))
   # elif 1200 <= _MSC_VER
   #  define _Noreturn __declspec (noreturn)
   # else
   #  define _Noreturn
   # endif
   #endif
   ])
   AH_VERBATIM([isoc99_inline],    AH_VERBATIM([isoc99_inline],
 [/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports  [/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports
    the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of     the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of
Line 23  AC_DEFUN([gl_COMMON_BODY], [ Line 36  AC_DEFUN([gl_COMMON_BODY], [
 # define __GNUC_STDC_INLINE__ 1  # define __GNUC_STDC_INLINE__ 1
 #endif])  #endif])
   AH_VERBATIM([unused_parameter],    AH_VERBATIM([unused_parameter],
[/* Define as a marker that can be attached to function parameter declarations[/* Define as a marker that can be attached to declarations that might not
   for parameters that are not used.  This helps to reduce warnings, such as    be used.  This helps to reduce warnings, such as from
   from GCC -Wunused-parameter.  */    GCC -Wunused-parameter.  */
 #if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)  #if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
# define _UNUSED_PARAMETER_ __attribute__ ((__unused__))# define _GL_UNUSED __attribute__ ((__unused__))
 #else  #else
# define _UNUSED_PARAMETER_# define _GL_UNUSED
 #endif  #endif
   /* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
      is a misnomer outside of parameter lists.  */
   #define _UNUSED_PARAMETER_ _GL_UNUSED
   
   /* The __pure__ attribute was added in gcc 2.96.  */
   #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
   # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
   #else
   # define _GL_ATTRIBUTE_PURE /* empty */
   #endif
   
   /* The __const__ attribute was added in gcc 2.95.  */
   #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
   # define _GL_ATTRIBUTE_CONST __attribute__ ((__const__))
   #else
   # define _GL_ATTRIBUTE_CONST /* empty */
   #endif
 ])  ])
     dnl Preparation for running test programs:
     dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
     dnl to /dev/tty, so they can be redirected to log files.  Such diagnostics
     dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N.
     LIBC_FATAL_STDERR_=1
     export LIBC_FATAL_STDERR_
 ])  ])
   
   # gl_MODULE_INDICATOR_CONDITION
   # expands to a C preprocessor expression that evaluates to 1 or 0, depending
   # whether a gnulib module that has been requested shall be considered present
   # or not.
   m4_define([gl_MODULE_INDICATOR_CONDITION], [1])
   
   # gl_MODULE_INDICATOR_SET_VARIABLE([modulename])
   # sets the shell variable that indicates the presence of the given module to
   # a C preprocessor expression that will evaluate to 1.
   AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE],
   [
     gl_MODULE_INDICATOR_SET_VARIABLE_AUX(
       [GNULIB_[]m4_translit([[$1]],
                             [abcdefghijklmnopqrstuvwxyz./-],
                             [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])],
       [gl_MODULE_INDICATOR_CONDITION])
   ])
   
   # gl_MODULE_INDICATOR_SET_VARIABLE_AUX([variable])
   # modifies the shell variable to include the gl_MODULE_INDICATOR_CONDITION.
   # The shell variable's value is a C preprocessor expression that evaluates
   # to 0 or 1.
   AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX],
   [
     m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1],
       [
        dnl Simplify the expression VALUE || 1 to 1.
        $1=1
       ],
       [gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1],
                                                [gl_MODULE_INDICATOR_CONDITION])])
   ])
   
   # gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([variable], [condition])
   # modifies the shell variable to include the given condition.  The shell
   # variable's value is a C preprocessor expression that evaluates to 0 or 1.
   AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR],
   [
     dnl Simplify the expression 1 || CONDITION to 1.
     if test "$[]$1" != 1; then
       dnl Simplify the expression 0 || CONDITION to CONDITION.
       if test "$[]$1" = 0; then
         $1=$2
       else
         $1="($[]$1 || $2)"
       fi
     fi
   ])
   
 # gl_MODULE_INDICATOR([modulename])  # gl_MODULE_INDICATOR([modulename])
# defines a C macro indicating the presence of the given module.# defines a C macro indicating the presence of the given module
 # in a location where it can be used.
 #                                             |  Value  |   Value   |
 #                                             | in lib/ | in tests/ |
 # --------------------------------------------+---------+-----------+
 # Module present among main modules:          |    1    |     1     |
 # --------------------------------------------+---------+-----------+
 # Module present among tests-related modules: |    0    |     1     |
 # --------------------------------------------+---------+-----------+
 # Module not present at all:                  |    0    |     0     |
 # --------------------------------------------+---------+-----------+
 AC_DEFUN([gl_MODULE_INDICATOR],  AC_DEFUN([gl_MODULE_INDICATOR],
 [  [
  AC_DEFINE([GNULIB_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],  AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]],
    [Define to 1 when using the gnulib module ]$1[.])      [abcdefghijklmnopqrstuvwxyz./-],
       [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]),
     [gl_MODULE_INDICATOR_CONDITION],
     [Define to a C preprocessor expression that evaluates to 1 or 0,
      depending whether the gnulib module $1 shall be considered present.])
 ])  ])
   
   # gl_MODULE_INDICATOR_FOR_TESTS([modulename])
   # defines a C macro indicating the presence of the given module
   # in lib or tests. This is useful to determine whether the module
   # should be tested.
   #                                             |  Value  |   Value   |
   #                                             | in lib/ | in tests/ |
   # --------------------------------------------+---------+-----------+
   # Module present among main modules:          |    1    |     1     |
   # --------------------------------------------+---------+-----------+
   # Module present among tests-related modules: |    1    |     1     |
   # --------------------------------------------+---------+-----------+
   # Module not present at all:                  |    0    |     0     |
   # --------------------------------------------+---------+-----------+
   AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS],
   [
     AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]],
         [abcdefghijklmnopqrstuvwxyz./-],
         [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
       [Define to 1 when the gnulib module $1 should be tested.])
   ])
   
   # gl_ASSERT_NO_GNULIB_POSIXCHECK
   # asserts that there will never be a need to #define GNULIB_POSIXCHECK.
   # and thereby enables an optimization of configure and config.h.
   # Used by Emacs.
   AC_DEFUN([gl_ASSERT_NO_GNULIB_POSIXCHECK],
   [
     dnl Override gl_WARN_ON_USE_PREPARE.
     dnl But hide this definition from 'aclocal'.
     AC_DEFUN([gl_W][ARN_ON_USE_PREPARE], [])
   ])
   
   # gl_ASSERT_NO_GNULIB_TESTS
   # asserts that there will be no gnulib tests in the scope of the configure.ac
   # and thereby enables an optimization of config.h.
   # Used by Emacs.
   AC_DEFUN([gl_ASSERT_NO_GNULIB_TESTS],
   [
     dnl Override gl_MODULE_INDICATOR_FOR_TESTS.
     AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], [])
   ])
   
   # Test whether <features.h> exists.
   # Set HAVE_FEATURES_H.
   AC_DEFUN([gl_FEATURES_H],
   [
     AC_CHECK_HEADERS_ONCE([features.h])
     if test $ac_cv_header_features_h = yes; then
       HAVE_FEATURES_H=1
     else
       HAVE_FEATURES_H=0
     fi
     AC_SUBST([HAVE_FEATURES_H])
   ])
   
 # m4_foreach_w  # m4_foreach_w
 # is a backport of autoconf-2.59c's m4_foreach_w.  # is a backport of autoconf-2.59c's m4_foreach_w.
 # Remove this macro when we can assume autoconf >= 2.60.  # Remove this macro when we can assume autoconf >= 2.60.
Line 49  m4_ifndef([m4_foreach_w], Line 203  m4_ifndef([m4_foreach_w],
   [m4_define([m4_foreach_w],    [m4_define([m4_foreach_w],
     [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])      [m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
   
   # AS_VAR_IF(VAR, VALUE, [IF-MATCH], [IF-NOT-MATCH])
   # ----------------------------------------------------
   # Backport of autoconf-2.63b's macro.
   # Remove this macro when we can assume autoconf >= 2.64.
   m4_ifndef([AS_VAR_IF],
   [m4_define([AS_VAR_IF],
   [AS_IF([test x"AS_VAR_GET([$1])" = x""$2], [$3], [$4])])])
   
   # gl_PROG_AR_RANLIB
   # Determines the values for AR, ARFLAGS, RANLIB that fit with the compiler.
   AC_DEFUN([gl_PROG_AR_RANLIB],
   [
     dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler
     dnl as "cc", and GCC as "gcc". They have different object file formats and
     dnl library formats. In particular, the GNU binutils programs ar, ranlib
     dnl produce libraries that work only with gcc, not with cc.
     AC_REQUIRE([AC_PROG_CC])
     AC_EGREP_CPP([Amsterdam],
       [
   #ifdef __ACK__
   Amsterdam
   #endif
       ],
       [AR='cc -c.a'
        ARFLAGS='-o'
        RANLIB=':'
       ],
       [dnl Use the Automake-documented default values for AR and ARFLAGS.
        AR='ar'
        ARFLAGS='cru'
        dnl Use the ranlib program if it is available.
        AC_PROG_RANLIB
       ])
     AC_SUBST([AR])
     AC_SUBST([ARFLAGS])
   ])
   
 # AC_PROG_MKDIR_P  # AC_PROG_MKDIR_P
# is a backport of autoconf-2.60's AC_PROG_MKDIR_P.# is a backport of autoconf-2.60's AC_PROG_MKDIR_P, with a fix
# Remove this macro when we can assume autoconf >= 2.60.# for interoperability with automake-1.9.6 from autoconf-2.62.
m4_ifdef([AC_PROG_MKDIR_P], [], [# Remove this macro when we can assume autoconf >= 2.62 or
 # autoconf >= 2.60 && automake >= 1.10.
 m4_ifdef([AC_PROG_MKDIR_P], [
   dnl For automake-1.9.6 && autoconf < 2.62: Ensure MKDIR_P is AC_SUBSTed.
   m4_define([AC_PROG_MKDIR_P],
     m4_defn([AC_PROG_MKDIR_P])[
     AC_SUBST([MKDIR_P])])], [
   dnl For autoconf < 2.60: Backport of AC_PROG_MKDIR_P.
   AC_DEFUN_ONCE([AC_PROG_MKDIR_P],    AC_DEFUN_ONCE([AC_PROG_MKDIR_P],
     [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake      [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
      MKDIR_P='$(mkdir_p)'       MKDIR_P='$(mkdir_p)'
Line 63  m4_ifdef([AC_PROG_MKDIR_P], [], [ Line 261  m4_ifdef([AC_PROG_MKDIR_P], [], [
 # so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++  # so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++
 # works.  # works.
 # This definition can be removed once autoconf >= 2.62 can be assumed.  # This definition can be removed once autoconf >= 2.62 can be assumed.
   m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.62]),[-1],[
 AC_DEFUN([AC_C_RESTRICT],  AC_DEFUN([AC_C_RESTRICT],
 [AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],  [AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
   [ac_cv_c_restrict=no    [ac_cv_c_restrict=no
Line 70  AC_DEFUN([AC_C_RESTRICT], Line 269  AC_DEFUN([AC_C_RESTRICT],
    for ac_kw in __restrict __restrict__ _Restrict restrict; do     for ac_kw in __restrict __restrict__ _Restrict restrict; do
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM(       AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
       [[typedef int * int_ptr;        [[typedef int * int_ptr;
        int foo (int_ptr $ac_kw ip) {        int foo (int_ptr $ac_kw ip) {
        return ip[0];        return ip[0];
        }]],         }]],
       [[int s[1];        [[int s[1];
        int * $ac_kw t = s;        int * $ac_kw t = s;
        t[0] = 0;        t[0] = 0;
        return foo(t)]])],        return foo(t)]])],
       [ac_cv_c_restrict=$ac_kw])        [ac_cv_c_restrict=$ac_kw])
      test "$ac_cv_c_restrict" != no && break       test "$ac_cv_c_restrict" != no && break
    done     done
Line 99  AC_DEFUN([AC_C_RESTRICT], Line 298  AC_DEFUN([AC_C_RESTRICT],
    no) AC_DEFINE([restrict], []) ;;     no) AC_DEFINE([restrict], []) ;;
    *)  AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;     *)  AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
  esac   esac
   ])
 ])  ])
   
 # gl_BIGENDIAN  # gl_BIGENDIAN
Removed from v.1.1  
changed lines
  Added in v.1.1.1.2

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