-# stdint.m4 serial 5
-dnl Copyright (C) 2001-2002, 2004-2005 Free Software Foundation, Inc.
+# stdint.m4 serial 6
+dnl Copyright (C) 2001-2002, 2004-2006 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.
dnl Test whether <stdint.h> is supported or must be substituted.
AC_DEFUN([gl_STDINT_H],
-[dnl Check for <inttypes.h>.
-AC_REQUIRE([gt_HEADER_INTTYPES_H])
-dnl Check for <sys/inttypes.h>.
-AC_CHECK_HEADERS([sys/inttypes.h])
-dnl Check for <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5).
-AC_CHECK_HEADERS([sys/bitypes.h])
-
-AC_MSG_CHECKING([for stdint.h])
-AC_CACHE_VAL(gl_cv_header_stdint_h, [
- AC_TRY_COMPILE([#include <stdint.h>], [],
- gl_cv_header_stdint_h=yes, gl_cv_header_stdint_h=no)])
-AC_MSG_RESULT([$gl_cv_header_stdint_h])
-if test $gl_cv_header_stdint_h = yes; then
- AC_DEFINE(HAVE_STDINT_H, 1,
- [Define if you have a working <stdint.h> header file.])
- STDINT_H=''
-else
- STDINT_H='stdint.h'
+[
+ dnl Check for <stdint.h> that doesn't clash with <sys/types.h>.
+ gl_HEADER_STDINT_H
+ if test $gl_cv_header_stdint_h = yes; then
+ ac_cv_header_stdint_h=yes; dnl Hack for gl_FULL_HEADER_PATH.
+ gl_FULL_HEADER_PATH([stdint.h])
+ FULL_PATH_STDINT_H=$gl_cv_full_path_stdint_h
+ AC_SUBST([FULL_PATH_STDINT_H])
+ HAVE_STDINT_H=1
+ else
+ HAVE_STDINT_H=0
+ fi
+ AC_SUBST([HAVE_STDINT_H])
+
+ dnl Check for <inttypes.h> that doesn't clash with <sys/types.h>.
+ gl_HEADER_INTTYPES_H
+ if test $gl_cv_header_inttypes_h = yes; then
+ ac_cv_header_inttypes_h=yes; dnl Hack for gl_FULL_HEADER_PATH.
+ gl_FULL_HEADER_PATH([inttypes.h])
+ FULL_PATH_INTTYPES_H=$gl_cv_full_path_inttypes_h
+ AC_SUBST([FULL_PATH_INTTYPES_H])
+ HAVE_INTTYPES_H=1
+ else
+ HAVE_INTTYPES_H=0
+ fi
+ AC_SUBST([HAVE_INTTYPES_H])
+
+ dnl Check for <sys/inttypes.h>.
+ AC_CHECK_HEADERS([sys/inttypes.h])
+ if test $ac_cv_header_sys_inttypes_h = yes; then
+ HAVE_SYS_INTTYPES_H=1
+ else
+ HAVE_SYS_INTTYPES_H=0
+ fi
+ AC_SUBST([HAVE_SYS_INTTYPES_H])
+
+ dnl Check for <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5).
+ AC_CHECK_HEADERS([sys/bitypes.h])
+ if test $ac_cv_header_sys_bitypes_h = yes; then
+ HAVE_SYS_BITYPES_H=1
+ else
+ HAVE_SYS_BITYPES_H=0
+ fi
+ AC_SUBST([HAVE_SYS_BITYPES_H])
dnl Is long == int64_t ?
AC_CACHE_CHECK([whether 'long' is 64 bit wide], gl_cv_long_bitsize_64, [
fi
AC_SUBST(HAVE_LONG_LONG_64BIT)
-fi
-AC_SUBST(STDINT_H)
+ dnl Here we use FULL_PATH_INTTYPES_H and FULL_PATH_STDINT_H, not just
+ dnl <inttypes.h> and <stdint.h>, so that it also works during a
+ dnl "config.status --recheck" if an inttypes.h or stdint.h have been
+ dnl created in the build directory.
+ other_includes='
+/* Get those types that are already defined in other system include files. */
+#if defined(__FreeBSD__)
+# include <sys/inttypes.h>
+#endif
+#if defined(__OpenBSD__)
+# include <sys/types.h>
+# if HAVE_INTTYPES_H
+# include FULL_PATH_INTTYPES_H
+# endif
+#endif
+#if defined(__linux__) && HAVE_SYS_BITYPES_H
+# include <sys/bitypes.h>
+#endif
+#if defined(__sun) && HAVE_SYS_INTTYPES_H
+# include <sys/inttypes.h>
+#endif
+#if (defined(__hpux) || defined(_AIX)) && HAVE_INTTYPES_H
+# include FULL_PATH_INTTYPES_H
+#endif
+#if HAVE_STDINT_H
+# include FULL_PATH_STDINT_H
+#endif
+'
+ gl_STDINT_CHECK_TYPES(
+ [int8_t int16_t int32_t int64_t \
+ uint8_t uint16_t uint32_t uint64_t \
+ int_least8_t int_least16_t int_least32_t int_least64_t \
+ uint_least8_t uint_least16_t uint_least32_t uint_least64_t \
+ int_fast8_t int_fast16_t int_fast32_t int_fast64_t \
+ uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t \
+ intptr_t uintptr_t \
+ intmax_t uintmax_t],
+ [$other_includes],
+ [gl_cv_type_], [], [])
+
+ dnl Now see if we need a substitute <stdint.h>.
+ gl_cv_header_working_stdint_h=no
+ if test $gl_cv_header_stdint_h = yes; then
+ gl_STDINT_CHECK_TYPES(
+ [int64_t uint64_t \
+ int_least64_t uint_least64_t \
+ int_fast64_t uint_fast64_t],
+ [#include <stdint.h>],
+ [gl_cv_stdint_], [_IN_STDINT_H], [in <stdint.h>])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([
+#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
+#include <stdint.h>
+int8_t a1 = INT8_C (17);
+int16_t a2 = INT16_C (17);
+int32_t a3 = INT32_C (17);
+#if HAVE_INT64_T_IN_STDINT_H
+int64_t a4 = INT64_C (17);
+#endif
+uint8_t b1 = UINT8_C (17);
+uint16_t b2 = UINT16_C (17);
+uint32_t b3 = UINT32_C (17);
+#if HAVE_UINT64_T_IN_STDINT_H
+uint64_t b4 = UINT64_C (17);
+#endif
+int_least8_t c1 = 17;
+int_least16_t c2 = 17;
+int_least32_t c3 = 17;
+#if HAVE_INT_LEAST64_T_IN_STDINT_H
+int_least64_t c4 = 17;
+#endif
+uint_least8_t d1 = 17;
+uint_least16_t d2 = 17;
+uint_least32_t d3 = 17;
+#if HAVE_UINT_LEAST64_T_IN_STDINT_H
+uint_least64_t d4 = 17;
+#endif
+int_fast8_t e1 = 17;
+int_fast16_t e2 = 17;
+int_fast32_t e3 = 17;
+#if HAVE_INT_FAST64_T_IN_STDINT_H
+int_fast64_t e4 = 17;
+#endif
+uint_fast8_t f1 = 17;
+uint_fast16_t f2 = 17;
+uint_fast32_t f3 = 17;
+#if HAVE_UINT_FAST64_T_IN_STDINT_H
+uint_fast64_t f4 = 17;
+#endif
+intptr_t g = 17;
+uintptr_t h = 17;
+intmax_t i = INTMAX_C (17);
+uintmax_t j = UINTMAX_C (17);
+ ])],
+ [gl_cv_header_working_stdint_h=yes])
+ fi
+ if test $gl_cv_header_working_stdint_h = yes; then
+ dnl Use the existing <stdint.h>, adding missing macro definitions.
+ suff64=
+ suffu64=
+ if test $HAVE_LONG_64BIT = 1; then
+ suff64=L
+ suffu64=UL
+ else
+ if test $HAVE_LONG_LONG_64BIT = 1; then
+ suff64=LL
+ suffu64=ULL
+ else
+ AC_EGREP_CPP([msvc compiler], [
+#ifdef _MSC_VER
+msvc compiler
+#endif
+ ], [
+ suff64=i64
+ suffu64=ui64
+ ])
+ fi
+ fi
+ dnl Here we assume a standard architecture where the hardware integer
+ dnl types have 8, 16, 32, optionally 64 bits.
+ gl_STDINT_MISSING_BOUND([INT8_MIN], [-128],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT8_MAX], [127],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([UINT8_MAX], [255],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT16_MIN], [-32768],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT16_MAX], [32767],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([UINT16_MAX], [65535],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT32_MIN], [(~INT32_MAX)],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT32_MAX], [2147483647],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([UINT32_MAX], [4294967295U],
+ [Define if <stdint.h> doesn't define it.])
+ if test $gl_cv_stdint_int64_t = yes; then
+ gl_STDINT_MISSING_BOUND([INT64_MIN], [(~INT64_MAX)],
+ [Define if <stdint.h> doesn't define it but has the int64_t type.])
+ gl_STDINT_MISSING_BOUND([INT64_MAX], [9223372036854775807${suff64}],
+ [Define if <stdint.h> doesn't define it but has the int64_t type.])
+ fi
+ if test $gl_cv_stdint_uint64_t = yes; then
+ gl_STDINT_MISSING_BOUND([UINT64_MAX], [18446744073709551615${suffu64}],
+ [Define if <stdint.h> doesn't define it but has the uint64_t type.])
+ fi
+ dnl Here we assume a standard architecture where the hardware integer
+ dnl types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
+ dnl are the same as the corresponding N_t types.
+ gl_STDINT_MISSING_BOUND([INT_LEAST8_MIN], [INT8_MIN],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT_LEAST8_MAX], [INT8_MAX],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([UINT_LEAST8_MAX], [UINT8_MAX],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT_LEAST16_MIN], [INT16_MIN],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT_LEAST16_MAX], [INT16_MAX],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([UINT_LEAST16_MAX], [UINT16_MAX],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT_LEAST32_MIN], [INT32_MIN],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([INT_LEAST32_MAX], [INT32_MAX],
+ [Define if <stdint.h> doesn't define it.])
+ gl_STDINT_MISSING_BOUND([UINT_LEAST32_MAX], [UINT32_MAX],
+ [Define if <stdint.h> doesn't define it.])
+ if test $gl_cv_stdint_int_least64_t = yes; then
+ gl_STDINT_MISSING_BOUND([INT_LEAST64_MIN], [INT64_MIN],
+ [Define if <stdint.h> doesn't define it but has the int_least64_t type.])
+ gl_STDINT_MISSING_BOUND([INT_LEAST64_MAX], [INT64_MAX],
+ [Define if <stdint.h> doesn't define it but has the int_least64_t type.])
+ fi
+ if test $gl_cv_stdint_uint_least64_t = yes; then
+ gl_STDINT_MISSING_BOUND([UINT_LEAST64_MAX], [UINT64_MAX],
+ [Define if <stdint.h> doesn't define it but has the uint_least64_t type.])
+ fi
+ dnl Here we assume a standard architecture where the hardware integer
+ dnl types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
+ dnl are taken from the same list of types.
+ gl_STDINT_MISSING_BOUNDS([INT_FAST8_MIN INT_FAST8_MAX UINT_FAST8_MAX \
+ INT_FAST16_MIN INT_FAST16_MAX UINT_FAST16_MAX \
+ INT_FAST32_MIN INT_FAST32_MAX UINT_FAST32_MAX])
+ if test $gl_cv_stdint_uint_fast64_t = yes; then
+ gl_STDINT_MISSING_BOUNDS([INT_FAST64_MIN INT_FAST64_MAX])
+ fi
+ if test $gl_cv_stdint_uint_fast64_t = yes; then
+ gl_STDINT_MISSING_BOUNDS([UINT_FAST64_MAX])
+ fi
+ gl_STDINT_MISSING_BOUNDS([INTPTR_MIN INTPTR_MAX UINTPTR_MAX \
+ INTMAX_MIN INTMAX_MAX UINTMAX_MAX])
+ gl_STDINT_MISSING_BOUNDS([PTRDIFF_MIN PTRDIFF_MAX], [#include <stddef.h>])
+ gl_SIZE_MAX
+ gl_STDINT_MISSING_BOUNDS2([SIG_ATOMIC_MIN SIG_ATOMIC_MAX],
+ [#include <signal.h>])
+ dnl Don't bother defining WCHAR_MIN and WCHAR_MAX, since they should
+ dnl already be defined in <stddef.h>.
+ dnl For wint_t we need <wchar.h>.
+ dnl Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included
+ dnl before <wchar.h>.
+ dnl BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before
+ dnl <wchar.h>.
+ gl_STDINT_MISSING_BOUNDS2([WINT_MIN WINT_MAX], [
+#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+])
+ STDINT_H=''
+ else
+
+ gl_STDINT_BITSIZEOF(
+ [int8_t int16_t int32_t int64_t \
+ uint8_t uint16_t uint32_t uint64_t \
+ int_least8_t int_least16_t int_least32_t int_least64_t \
+ uint_least8_t uint_least16_t uint_least32_t uint_least64_t \
+ int_fast8_t int_fast16_t int_fast32_t int_fast64_t \
+ uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t \
+ intptr_t uintptr_t \
+ intmax_t uintmax_t],
+ [$other_includes])
+
+ gl_cv_type_unsigned_int=yes
+ gl_cv_type_long=yes
+ gl_cv_type_unsigned_long=yes
+ gl_STDINT_BITSIZEOF([unsigned_int long unsigned_long],
+ [typedef unsigned int unsigned_int;
+ typedef unsigned long unsigned_long;])
+
+ AC_CHECK_TYPES([ptrdiff_t])
+ gl_cv_type_ptrdiff_t=$ac_cv_type_ptrdiff_t
+ AC_REQUIRE([AC_TYPE_SIZE_T])
+ gl_cv_type_size_t=yes
+ gl_STDINT_BITSIZEOF([ptrdiff_t size_t], [#include <stddef.h>])
+ gl_CHECK_TYPE_SAME([ptrdiff_t], [long], [#include <stddef.h>])
+ gl_CHECK_TYPE_SAME([size_t], [unsigned long], [#include <stddef.h>])
+
+ AC_CHECK_TYPES([sig_atomic_t], , , [#include <signal.h>])
+ gl_cv_type_sig_atomic_t=$ac_cv_type_sig_atomic_t
+ gl_STDINT_BITSIZEOF([sig_atomic_t], [#include <signal.h>])
+ gl_CHECK_TYPES_SIGNED([sig_atomic_t], [#include <signal.h>])
+ if test $HAVE_SIGNED_SIG_ATOMIC_T = 1; then
+ gl_CHECK_TYPE_SAME([sig_atomic_t], [long], [#include <signal.h>])
+ else
+ gl_CHECK_TYPE_SAME([sig_atomic_t], [unsigned long], [#include <signal.h>])
+ fi
+
+ AC_REQUIRE([gt_TYPE_WCHAR_T])
+ gl_cv_type_wchar_t=$gt_cv_c_wchar_t
+ gl_STDINT_BITSIZEOF([wchar_t], [#include <stddef.h>])
+ gl_CHECK_TYPES_SIGNED([wchar_t], [#include <stddef.h>])
+ if test $HAVE_SIGNED_WCHAR_T = 1; then
+ gl_CHECK_TYPE_SAME([wchar_t], [long], [#include <stddef.h>])
+ else
+ gl_CHECK_TYPE_SAME([wchar_t], [unsigned long], [#include <stddef.h>])
+ fi
+
+ dnl For wint_t we need <wchar.h>.
+ dnl Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included
+ dnl before <wchar.h>.
+ dnl BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before
+ dnl <wchar.h>.
+ AC_CHECK_TYPES([wint_t], , , [#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+])
+ gl_cv_type_wint_t=$ac_cv_type_wint_t
+ gl_STDINT_BITSIZEOF([wint_t], [#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+])
+ gl_CHECK_TYPES_SIGNED([wint_t], [#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+])
+ if test $HAVE_SIGNED_WINT_T = 1; then
+ gl_CHECK_TYPE_SAME([wint_t], [long], [#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+])
+ else
+ gl_CHECK_TYPE_SAME([wint_t], [unsigned long], [#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+])
+ fi
+
+ STDINT_H='stdint.h'
+ fi
+ AC_SUBST(STDINT_H)
+])
+
+dnl Set gl_cv_header_stdint_h to yes and define HAVE_STDINT_H if
+dnl <stdint.h> exists and doesn't clash with <sys/types.h>.
+AC_DEFUN([gl_HEADER_STDINT_H],
+[
+ dnl Check for <stdint.h> that doesn't clash with <sys/types.h>.
+ AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h, [
+ AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <stdint.h>],
+ [], gl_cv_header_stdint_h=yes, gl_cv_header_stdint_h=no)
+ ])
+ if test $gl_cv_header_stdint_h = yes; then
+ AC_DEFINE_UNQUOTED(HAVE_STDINT_H, 1,
+ [Define if <stdint.h> exists and doesn't clash with <sys/types.h>.])
+ fi
+])
+
+dnl Set gl_cv_header_inttypes_h to yes and define HAVE_INTTYPES_H if
+dnl <inttypes.h> exists and doesn't clash with <sys/types.h>.
+AC_DEFUN([gl_HEADER_INTTYPES_H],
+[
+ dnl Check for <inttypes.h> that doesn't clash with <sys/types.h>.
+ dnl On IRIX 5.3, <inttypes.h> conflicts with <sys/types.h>.
+ AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h, [
+ AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <inttypes.h>],
+ [], gl_cv_header_inttypes_h=yes, gl_cv_header_inttypes_h=no)
+ ])
+ if test $gl_cv_header_inttypes_h = yes; then
+ AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1,
+ [Define if <inttypes.h> exists and doesn't clash with <sys/types.h>.])
+ fi
+])
+
+dnl gl_STDINT_CHECK_TYPES(TYPES, INCLUDES, CACHE_VAR_PREFIX, MACRO_SUFFIX, DESCRIPTION_SUFFIX)
+dnl Check each of the given types, whether they are defined in the given
+dnl include files.
+AC_DEFUN([gl_STDINT_CHECK_TYPES],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in,
+ dnl - extra AC_SUBST calls, so that the right substitutions are made.
+ AC_FOREACH([gltype], [$1],
+ [AH_TEMPLATE([HAVE_]translit(gltype,[abcdefghijklmnopqrstuvwxyz],[ABCDEFGHIJKLMNOPQRSTUVWXYZ])[$4],
+ [Define to 1 if the type ']gltype[' is already defined$5.])])
+ for gltype in $1 ; do
+ AC_MSG_CHECKING([for $gltype])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([$2
+/* Test if the type exists. */
+$gltype x = 17;
+ ])],
+ result=yes, result=no)
+ eval $3${gltype}=\$result
+ AC_MSG_RESULT($result)
+ GLTYPE=`echo "$gltype" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
+ if test $result = yes; then
+ AC_DEFINE_UNQUOTED([HAVE_${GLTYPE}$4], 1)
+ eval HAVE_${GLTYPE}$4=1
+ else
+ eval HAVE_${GLTYPE}$4=0
+ fi
+ done
+ AC_FOREACH([gltype], [$1],
+ [AC_SUBST([HAVE_]translit(gltype,[abcdefghijklmnopqrstuvwxyz],[ABCDEFGHIJKLMNOPQRSTUVWXYZ])[$4])])
+])
+
+dnl gl_STDINT_MISSING_BOUND(TYPE_BOUND, DEFAULT, DESCRIPTION)
+dnl assumes an otherwise complete <stdint.h> and defines TYPE_BOUND if
+dnl <stdint.h> doesn't define it.
+AC_DEFUN([gl_STDINT_MISSING_BOUND],
+[
+ AC_CACHE_CHECK([for $1], [gl_cv_stdint_$1],
+ [AC_EGREP_CPP([found it], [#include <stdint.h>
+#ifdef $1
+found it
+#endif
+ ], [gl_cv_stdint_$1=yes], [gl_cv_stdint_$1="$2"])])
+ if test "$gl_cv_stdint_$1" != yes; then
+ AC_DEFINE_UNQUOTED([$1], [$2], [$3])
+ fi
+])
+
+dnl gl_STDINT_MISSING_BOUNDS(BOUNDS, INCLUDES)
+dnl assumes an otherwise complete <stdint.h> and defines each element of BOUNDS
+dnl if <stdint.h> doesn't define it.
+dnl Use this for types whose signedness is determined by the first letter
+dnl ('u' or not).
+AC_DEFUN([gl_STDINT_MISSING_BOUNDS],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in.
+ AC_FOREACH([bound], [$1],
+ [AH_TEMPLATE(bound, [Define if <stdint.h> doesn't define it.])])
+changequote(,)dnl
+ sed_unsigned='s,^\(U*\).*,\1,'
+ sed_limitkind='s,^.*\(_[^_]*\)$,\1,'
+changequote([,])dnl
+ for bound in $1; do
+ type=`echo $bound | sed -e 's,_MAX,_t,' -e 's,_MIN,_t,' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+ unsigned=`echo $bound | sed -e "$sed_unsigned" | tr U u`
+ width=`echo $bound | sed -e 's,^U*INT,,' -e 's,_MIN,,' -e 's,_MAX,,'`
+ limitkind=`echo $bound | sed -e "$sed_limitkind"`
+ AC_CACHE_CHECK([for $bound], [gl_cv_stdint_$bound],
+ [AC_EGREP_CPP([found it], [#include <stdint.h>
+#ifdef $bound
+found it
+#endif
+ ], [eval gl_cv_stdint_$bound=yes],
+ [result=
+ case $width in
+ *8) widthlist="8 16 32 64" ;;
+ *16) widthlist="16 32 64" ;;
+ *32 | PTR | MAX | PTRDIFF) widthlist="32 64" ;;
+ *64) widthlist="64" ;;
+ esac
+ for w in $widthlist; do
+ if test -z "$result"; then
+ AC_COMPILE_IFELSE([[$2
+#include <stdint.h>
+int verify[2 * (sizeof ($type) == sizeof (${unsigned}int${w}_t)) - 1];
+ ]], [result=`echo "$unsigned" | tr u U`INT${w}${limitkind}])
+ else
+ break
+ fi
+ done
+ if test -z "$result"; then
+ result=no
+ fi
+ eval gl_cv_stdint_$bound=\$result
+ ])])
+ eval result=\$gl_cv_stdint_$bound
+ if test "$result" != yes && test "$result" != no; then
+ AC_DEFINE_UNQUOTED([$bound], [$result],
+ [Define if <stdint.h> doesn't define it.])
+ fi
+ done
+])
+
+dnl gl_STDINT_MISSING_BOUNDS2(BOUNDS, INCLUDES)
+dnl assumes an otherwise complete <stdint.h> and defines each element of BOUNDS
+dnl if <stdint.h> doesn't define it.
+dnl Use this for types whose signedness is a priori unknown.
+AC_DEFUN([gl_STDINT_MISSING_BOUNDS2],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in.
+ AC_FOREACH([bound], [$1],
+ [AH_TEMPLATE(bound, [Define if <stdint.h> doesn't define it.])])
+changequote(,)dnl
+ sed_limitkind='s,^.*\(_[^_]*\)$,\1,'
+changequote([,])dnl
+ for bound in $1; do
+ type=`echo $bound | sed -e 's,_MAX,_t,' -e 's,_MIN,_t,' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+ limitkind=`echo $bound | sed -e "$sed_limitkind"`
+ AC_CACHE_CHECK([for $bound], [gl_cv_stdint_$bound],
+ [AC_EGREP_CPP([found it], [#include <stdint.h>
+#ifdef $bound
+found it
+#endif
+ ], [eval gl_cv_stdint_$bound=yes],
+ [result=
+ AC_COMPILE_IFELSE([[$2
+ int verify[2 * (($type) -1 >= ($type) 0) - 1];
+ ]],
+ [eval gl_cv_${type}_signed=no],
+ [eval gl_cv_${type}_signed=yes])
+ if eval test \$gl_cv_${type}_signed = yes; then
+ for w in 8 16 32 64; do
+ if test -z "$result"; then
+ AC_COMPILE_IFELSE([[$2
+#include <stdint.h>
+int verify[2 * (sizeof ($type) == sizeof (int${w}_t)) - 1];
+ ]], [result=INT${w}${limitkind}])
+ else
+ break
+ fi
+ done
+ else
+ if test ${limitkind} = _MIN; then
+ result=0
+ else
+ for w in 8 16 32 64; do
+ if test -z "$result"; then
+ AC_COMPILE_IFELSE([[$2
+#include <stdint.h>
+int verify[2 * (sizeof ($type) == sizeof (uint${w}_t)) - 1];
+ ]], [result=UINT${w}${limitkind}])
+ else
+ break
+ fi
+ done
+ fi
+ fi
+ if test -z "$result"; then
+ result=no
+ fi
+ eval gl_cv_stdint_$bound=\$result
+ ])])
+ eval result=\$gl_cv_stdint_$bound
+ if test "$result" != yes && test "$result" != no; then
+ AC_DEFINE_UNQUOTED([$bound], [$result],
+ [Define if <stdint.h> doesn't define it.])
+ fi
+ done
+])
+
+dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES)
+dnl Determine the size of each of the given types in bits.
+AC_DEFUN([gl_STDINT_BITSIZEOF],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in,
+ dnl - extra AC_SUBST calls, so that the right substitutions are made.
+ AC_FOREACH([gltype], [$1],
+ [AH_TEMPLATE([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
+ [Define to the number of bits in type ']gltype['.])])
+ for gltype in $1 ; do
+ if eval test \$gl_cv_type_${gltype} = yes; then
+ AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}],
+ [_AC_COMPUTE_INT([sizeof ($gltype) * CHAR_BIT], result,
+ [$2
+#include <limits.h>], result=unknown)
+ eval gl_cv_bitsizeof_${gltype}=\$result
+ ])
+ eval result=\$gl_cv_bitsizeof_${gltype}
+ GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
+ AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result])
+ eval BITSIZEOF_${GLTYPE}=\$result
+ fi
+ done
+ AC_FOREACH([gltype], [$1],
+ [AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
+])
+
+dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES)
+dnl Determine the signedness of each of the given types.
+dnl Define HAVE_SIGNED_TYPE if type is signed.
+AC_DEFUN([gl_CHECK_TYPES_SIGNED],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in,
+ dnl - extra AC_SUBST calls, so that the right substitutions are made.
+ AC_FOREACH([gltype], [$1],
+ [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],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[$2
+ int verify[2 * (($1) -1 < ($1) 0) - 1];
+ ]])],
+ result=yes, result=no)
+ eval gl_cv_type_${gltype}_signed=\$result
+ ])
+ eval result=\$gl_cv_type_${gltype}_signed
+ GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
+ if test "$result" = yes; then
+ AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], 1)
+ eval HAVE_SIGNED_${GLTYPE}=1
+ else
+ eval HAVE_SIGNED_${GLTYPE}=0
+ fi
+ done
+ AC_FOREACH([gltype], [$1],
+ [AC_SUBST([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
+])
+
+dnl gl_CHECK_TYPE_SAME(TYPE, KNOWNTYPE, INCLUDES)
+dnl Determines whether two types are the same.
+AC_DEFUN([gl_CHECK_TYPE_SAME],
+[
+ AC_TRY_COMPILE([$3
+ extern $1 foo;
+ extern $2 foo;], [],
+ [SAME_TYPE_]AS_TR_CPP([$1])[_]AS_TR_CPP([$2])[=1],
+ [SAME_TYPE_]AS_TR_CPP([$1])[_]AS_TR_CPP([$2])[=0])
+ AC_SUBST([SAME_TYPE_]AS_TR_CPP([$1])[_]AS_TR_CPP([$2]))
])
projects / pspp / blobdiff