diff options
Diffstat (limited to 'm4/gnulib-common.m4')
| -rw-r--r-- | m4/gnulib-common.m4 | 132 |
1 files changed, 6 insertions, 126 deletions
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4 index 80ba263..5398010 100644 --- a/m4/gnulib-common.m4 +++ b/m4/gnulib-common.m4 @@ -1,42 +1,9 @@ -# gnulib-common.m4 serial 13 -dnl Copyright (C) 2007-2010 Free Software Foundation, Inc. +# gnulib-common.m4 serial 2 +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, dnl with or without modifications, as long as this notice is preserved. -# gl_COMMON -# is expanded unconditionally through gnulib-tool magic. -AC_DEFUN([gl_COMMON], [ - dnl Use AC_REQUIRE here, so that the code is expanded once only. - AC_REQUIRE([gl_00GNULIB]) - AC_REQUIRE([gl_COMMON_BODY]) -]) -AC_DEFUN([gl_COMMON_BODY], [ - AH_VERBATIM([isoc99_inline], -[/* 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 - earlier versions), but does not display it by setting __GNUC_STDC_INLINE__. - __APPLE__ && __MACH__ test for MacOS X. - __APPLE_CC__ tests for the Apple compiler and its version. - __STDC_VERSION__ tests for the C99 mode. */ -#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__ -# define __GNUC_STDC_INLINE__ 1 -#endif]) - AH_VERBATIM([unused_parameter], -[/* Define as a marker that can be attached to declarations that might not - be used. This helps to reduce warnings, such as from - GCC -Wunused-parameter. */ -#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) -# define _GL_UNUSED __attribute__ ((__unused__)) -#else -# define _GL_UNUSED -#endif -/* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name - is a misnomer outside of parameter lists. */ -#define _UNUSED_PARAMETER_ _GL_UNUSED -]) -]) - # gl_MODULE_INDICATOR([modulename]) # defines a C macro indicating the presence of the given module. AC_DEFUN([gl_MODULE_INDICATOR], @@ -45,98 +12,11 @@ AC_DEFUN([gl_MODULE_INDICATOR], [Define to 1 when using the gnulib module ]$1[.]) ]) -# m4_foreach_w -# is a backport of autoconf-2.59c's m4_foreach_w. -# Remove this macro when we can assume autoconf >= 2.60. -m4_ifndef([m4_foreach_w], - [m4_define([m4_foreach_w], - [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], [$4])])]) - # AC_PROG_MKDIR_P -# is a backport of autoconf-2.60's AC_PROG_MKDIR_P, with a fix -# for interoperability with automake-1.9.6 from autoconf-2.62. -# Remove this macro when we can assume autoconf >= 2.62 or -# autoconf >= 2.60 && automake >= 1.10. -m4_ifdef([AC_PROG_MKDIR_P], [ - dnl For automake-1.9.6 && autoconf < 2.62: Ensure MKDIR_P is AC_SUBSTed. - m4_define([AC_PROG_MKDIR_P], - m4_defn([AC_PROG_MKDIR_P])[ - AC_SUBST([MKDIR_P])])], [ - dnl For autoconf < 2.60: Backport of AC_PROG_MKDIR_P. - AC_DEFUN_ONCE([AC_PROG_MKDIR_P], +# is a backport of autoconf-2.60's AC_PROG_MKDIR_P. +# Remove this macro when we can assume autoconf >= 2.60. +m4_ifdef([AC_PROG_MKDIR_P], [], [ + AC_DEFUN([AC_PROG_MKDIR_P], [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake MKDIR_P='$(mkdir_p)' AC_SUBST([MKDIR_P])])]) - -# AC_C_RESTRICT -# This definition overrides the AC_C_RESTRICT macro from autoconf 2.60..2.61, -# so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++ -# works. -# This definition can be removed once autoconf >= 2.62 can be assumed. -AC_DEFUN([AC_C_RESTRICT], -[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict], - [ac_cv_c_restrict=no - # The order here caters to the fact that C++ does not require restrict. - for ac_kw in __restrict __restrict__ _Restrict restrict; do - AC_COMPILE_IFELSE([AC_LANG_PROGRAM( - [[typedef int * int_ptr; - int foo (int_ptr $ac_kw ip) { - return ip[0]; - }]], - [[int s[1]; - int * $ac_kw t = s; - t[0] = 0; - return foo(t)]])], - [ac_cv_c_restrict=$ac_kw]) - test "$ac_cv_c_restrict" != no && break - done - ]) - AH_VERBATIM([restrict], -[/* Define to the equivalent of the C99 'restrict' keyword, or to - nothing if this is not supported. Do not define if restrict is - supported directly. */ -#undef restrict -/* Work around a bug in Sun C++: it does not support _Restrict, even - though the corresponding Sun C compiler does, which causes - "#define restrict _Restrict" in the previous line. Perhaps some future - version of Sun C++ will work with _Restrict; if so, it'll probably - define __RESTRICT, just as Sun C does. */ -#if defined __SUNPRO_CC && !defined __RESTRICT -# define _Restrict -#endif]) - case $ac_cv_c_restrict in - restrict) ;; - no) AC_DEFINE([restrict], []) ;; - *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;; - esac -]) - -# gl_BIGENDIAN -# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd. -# Note that AC_REQUIRE([AC_C_BIGENDIAN]) does not work reliably because some -# macros invoke AC_C_BIGENDIAN with arguments. -AC_DEFUN([gl_BIGENDIAN], -[ - AC_C_BIGENDIAN -]) - -# gl_CACHE_VAL_SILENT(cache-id, command-to-set-it) -# is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not -# output a spurious "(cached)" mark in the midst of other configure output. -# This macro should be used instead of AC_CACHE_VAL when it is not surrounded -# by an AC_MSG_CHECKING/AC_MSG_RESULT pair. -AC_DEFUN([gl_CACHE_VAL_SILENT], -[ - saved_as_echo_n="$as_echo_n" - as_echo_n=':' - AC_CACHE_VAL([$1], [$2]) - as_echo_n="$saved_as_echo_n" -]) |