diff options
Diffstat (limited to 'gnulib-m4/stdint.m4')
-rw-r--r-- | gnulib-m4/stdint.m4 | 52 |
1 files changed, 20 insertions, 32 deletions
diff --git a/gnulib-m4/stdint.m4 b/gnulib-m4/stdint.m4 index 4011a49..1cc57e6 100644 --- a/gnulib-m4/stdint.m4 +++ b/gnulib-m4/stdint.m4 @@ -1,5 +1,5 @@ -# stdint.m4 serial 43 -dnl Copyright (C) 2001-2015 Free Software Foundation, Inc. +# stdint.m4 serial 34 +dnl Copyright (C) 2001-2010 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. @@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved. dnl From Paul Eggert and Bruno Haible. dnl Test whether <stdint.h> is supported or must be substituted. -AC_DEFUN_ONCE([gl_STDINT_H], +AC_DEFUN([gl_STDINT_H], [ AC_PREREQ([2.59])dnl @@ -27,15 +27,6 @@ AC_DEFUN_ONCE([gl_STDINT_H], fi AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT]) - dnl Check for <wchar.h>, in the same way as gl_WCHAR_H does. - AC_CHECK_HEADERS_ONCE([wchar.h]) - if test $ac_cv_header_wchar_h = yes; then - HAVE_WCHAR_H=1 - else - HAVE_WCHAR_H=0 - fi - AC_SUBST([HAVE_WCHAR_H]) - dnl Check for <inttypes.h>. dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h. if test $ac_cv_header_inttypes_h = yes; then @@ -69,6 +60,8 @@ AC_DEFUN_ONCE([gl_STDINT_H], [gl_cv_header_working_stdint_h=no AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ +#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */ +#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */ #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ #include <stdint.h> /* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */ @@ -152,11 +145,9 @@ uintmax_t j = UINTMAX_MAX; #include <limits.h> /* for CHAR_BIT */ #define TYPE_MINIMUM(t) \ - ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ TYPE_MAXIMUM (t))) + ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))) #define TYPE_MAXIMUM(t) \ - ((t) ((t) 0 < (t) -1 \ - ? (t) -1 \ - : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) + ((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))) struct s { int check_PTRDIFF: PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t) @@ -217,6 +208,8 @@ struct s { dnl This detects a bug on HP-UX 11.23/ia64. AC_RUN_IFELSE([ AC_LANG_PROGRAM([[ +#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */ +#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */ #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */ #include <stdint.h> ] @@ -266,7 +259,7 @@ static const char *macro_values[] = || strncmp (value, "((int)"/*)*/, 6) == 0 || strncmp (value, "((signed short)"/*)*/, 15) == 0 || strncmp (value, "((signed char)"/*)*/, 14) == 0) - return mv - macro_values + 1; + return 1; } return 0; ]])], @@ -297,11 +290,14 @@ static const char *macro_values[] = fi AC_SUBST([HAVE_SYS_BITYPES_H]) + dnl Check for <wchar.h> (missing in Linux uClibc when built without wide + dnl character support). + AC_CHECK_HEADERS_ONCE([wchar.h]) + gl_STDINT_TYPE_PROPERTIES STDINT_H=stdint.h fi AC_SUBST([STDINT_H]) - AM_CONDITIONAL([GL_GENERATE_STDINT_H], [test -n "$STDINT_H"]) ]) dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES) @@ -313,7 +309,7 @@ AC_DEFUN([gl_STDINT_BITSIZEOF], dnl config.h.in, dnl - extra AC_SUBST calls, so that the right substitutions are made. m4_foreach_w([gltype], [$1], - [AH_TEMPLATE([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), + [AH_TEMPLATE([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), [Define to the number of bits in type ']gltype['.])]) for gltype in $1 ; do AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}], @@ -338,7 +334,7 @@ AC_DEFUN([gl_STDINT_BITSIZEOF], eval BITSIZEOF_${GLTYPE}=\$result done m4_foreach_w([gltype], [$1], - [AC_SUBST([BITSIZEOF_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) + [AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) ]) dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES) @@ -351,7 +347,7 @@ AC_DEFUN([gl_CHECK_TYPES_SIGNED], dnl config.h.in, dnl - extra AC_SUBST calls, so that the right substitutions are made. m4_foreach_w([gltype], [$1], - [AH_TEMPLATE([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), + [AH_TEMPLATE([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]), [Define to 1 if ']gltype[' is a signed integer type.])]) for gltype in $1 ; do AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed], @@ -371,7 +367,7 @@ AC_DEFUN([gl_CHECK_TYPES_SIGNED], fi done m4_foreach_w([gltype], [$1], - [AC_SUBST([HAVE_SIGNED_]m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) + [AC_SUBST([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))]) ]) dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES) @@ -384,7 +380,7 @@ AC_DEFUN([gl_INTEGER_TYPE_SUFFIX], dnl config.h.in, dnl - extra AC_SUBST calls, so that the right substitutions are made. m4_foreach_w([gltype], [$1], - [AH_TEMPLATE(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX], + [AH_TEMPLATE(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX], [Define to l, ll, u, ul, ull, etc., as suitable for constants of type ']gltype['.])]) for gltype in $1 ; do @@ -423,7 +419,7 @@ AC_DEFUN([gl_INTEGER_TYPE_SUFFIX], AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], [$result]) done m4_foreach_w([gltype], [$1], - [AC_SUBST(m4_translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])]) + [AC_SUBST(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])]) ]) dnl gl_STDINT_INCLUDES @@ -462,14 +458,6 @@ AC_DEFUN([gl_STDINT_TYPE_PROPERTIES], fi gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t], [gl_STDINT_INCLUDES]) - - dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99 - dnl requirement that wint_t is "unchanged by default argument promotions". - dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t. - dnl Set the variable BITSIZEOF_WINT_T accordingly. - if test $BITSIZEOF_WINT_T -lt 32; then - BITSIZEOF_WINT_T=32 - fi ]) dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in. |