-# inttypes.m4 serial 18
-dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
+# inttypes.m4 serial 26
+dnl Copyright (C) 2006-2013 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 <inttypes.h> is supported or must be substituted.
AC_DEFUN([gl_INTTYPES_H],
+[
+ AC_REQUIRE([gl_INTTYPES_INCOMPLETE])
+ gl_INTTYPES_PRI_SCN
+])
+
+AC_DEFUN_ONCE([gl_INTTYPES_INCOMPLETE],
[
AC_REQUIRE([gl_STDINT_H])
- AC_REQUIRE([gt_INTTYPES_PRI])
AC_CHECK_HEADERS_ONCE([inttypes.h])
- AC_CHECK_DECLS_ONCE([imaxabs])
- AC_CHECK_DECLS_ONCE([imaxdiv])
- AC_CHECK_DECLS_ONCE([strtoimax])
- AC_CHECK_DECLS_ONCE([strtoumax])
-
- dnl Now see if we need a substitute <inttypes.h>.
- dnl A complete <inttypes.h> requires
- dnl - a complete <stdint.h>,
- dnl - the existence of an <inttypes.h>,
- dnl - that imaxabs, imaxdiv, strtoimax, strtoumax are declared,
- dnl - some additional tests.
- AC_CACHE_CHECK([whether inttypes.h conforms to C99],
- [gl_cv_header_working_inttypes_h],
- [gl_cv_header_working_inttypes_h=no
- if test "$gl_cv_header_working_stdint_h" = yes \
- && test $ac_cv_header_inttypes_h = yes \
- && test "$ac_cv_have_decl_imaxabs" = yes \
- && test "$ac_cv_have_decl_imaxdiv" = yes \
- && test "$ac_cv_have_decl_strtoimax" = yes \
- && test "$ac_cv_have_decl_strtoumax" = yes; then
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([[
-#include <stddef.h>
-#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 __STDC_FORMAT_MACROS 1 /* to make it work also in C++ mode */
-#define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H /* work if build isn't clean */
-#include <inttypes.h>
-
-/* No need to duplicate the tests of stdint.m4; they are subsumed by
- $gl_cv_header_working_stdint_h = yes. */
-
-/* Tests for macros supposed to be defined in inttypes.h. */
-
-const char *k = /* implicit string concatenation */
-#ifdef INT8_MAX
- PRId8 PRIi8
-#endif
-#ifdef UINT8_MAX
- PRIo8 PRIu8 PRIx8 PRIX8
-#endif
-#ifdef INT16_MAX
- PRId16 PRIi16
-#endif
-#ifdef UINT16_MAX
- PRIo16 PRIu16 PRIx16 PRIX16
-#endif
-#ifdef INT32_MAX
- PRId32 PRIi32
-#endif
-#ifdef UINT32_MAX
- PRIo32 PRIu32 PRIx32 PRIX32
-#endif
-#ifdef INT64_MAX
- PRId64 PRIi64
-#endif
-#ifdef UINT64_MAX
- PRIo64 PRIu64 PRIx64 PRIX64
-#endif
- PRIdLEAST8 PRIiLEAST8 PRIoLEAST8 PRIuLEAST8 PRIxLEAST8 PRIXLEAST8
- PRIdLEAST16 PRIiLEAST16 PRIoLEAST16 PRIuLEAST16 PRIxLEAST16 PRIXLEAST16
- PRIdLEAST32 PRIiLEAST32 PRIoLEAST32 PRIuLEAST32 PRIxLEAST32 PRIXLEAST32
- PRIdLEAST64 PRIiLEAST64
- PRIoLEAST64 PRIuLEAST64 PRIxLEAST64 PRIXLEAST64
- PRIdFAST8 PRIiFAST8 PRIoFAST8 PRIuFAST8 PRIxFAST8 PRIXFAST8
- PRIdFAST16 PRIiFAST16 PRIoFAST16 PRIuFAST16 PRIxFAST16 PRIXFAST16
- PRIdFAST32 PRIiFAST32 PRIoFAST32 PRIuFAST32 PRIxFAST32 PRIXFAST32
- PRIdFAST64 PRIiFAST64
- PRIoFAST64 PRIuFAST64 PRIxFAST64 PRIXFAST64
- PRIdMAX PRIiMAX PRIoMAX PRIuMAX PRIxMAX PRIXMAX
-#ifdef INTPTR_MAX
- PRIdPTR PRIiPTR
-#endif
-#ifdef UINTPTR_MAX
- PRIoPTR PRIuPTR PRIxPTR PRIXPTR
-#endif
- ;
-const char *l = /* implicit string concatenation */
-#ifdef INT8_MAX
- SCNd8 SCNi8
-#endif
-#ifdef UINT8_MAX
- SCNo8 SCNu8 SCNx8
-#endif
-#ifdef INT16_MAX
- SCNd16 SCNi16
-#endif
-#ifdef UINT16_MAX
- SCNo16 SCNu16 SCNx16
-#endif
-#ifdef INT32_MAX
- SCNd32 SCNi32
-#endif
-#ifdef UINT32_MAX
- SCNo32 SCNu32 SCNx32
-#endif
-#ifdef INT64_MAX
- SCNd64 SCNi64
-#endif
-#ifdef UINT64_MAX
- SCNo64 SCNu64 SCNx64
-#endif
- SCNdLEAST8 SCNiLEAST8 SCNoLEAST8 SCNuLEAST8 SCNxLEAST8
- SCNdLEAST16 SCNiLEAST16 SCNoLEAST16 SCNuLEAST16 SCNxLEAST16
- SCNdLEAST32 SCNiLEAST32 SCNoLEAST32 SCNuLEAST32 SCNxLEAST32
- SCNdLEAST64 SCNiLEAST64
- SCNoLEAST64 SCNuLEAST64 SCNxLEAST64
- SCNdFAST8 SCNiFAST8 SCNoFAST8 SCNuFAST8 SCNxFAST8
- SCNdFAST16 SCNiFAST16 SCNoFAST16 SCNuFAST16 SCNxFAST16
- SCNdFAST32 SCNiFAST32 SCNoFAST32 SCNuFAST32 SCNxFAST32
- SCNdFAST64 SCNiFAST64
- SCNoFAST64 SCNuFAST64 SCNxFAST64
- SCNdMAX SCNiMAX SCNoMAX SCNuMAX SCNxMAX
-#ifdef INTPTR_MAX
- SCNdPTR SCNiPTR
-#endif
-#ifdef UINTPTR_MAX
- SCNoPTR SCNuPTR SCNxPTR
-#endif
- ;
- ]])],
- [gl_cv_header_working_inttypes_h=yes])
- fi])
dnl Override <inttypes.h> always, so that the portability warnings work.
AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])
AC_REQUIRE([gl_MULTIARCH])
- dnl Ensure that <stdint.h> defines the limit macros, since gnulib's
- dnl <inttypes.h> relies on them. This macro is only needed when a
- dnl C++ compiler is in use; it has no effect for a C compiler.
- dnl Also be careful to define __STDC_LIMIT_MACROS only when gnulib's
- dnl <inttypes.h> is going to be created, and to avoid redefinition warnings
- dnl if the __STDC_LIMIT_MACROS is already defined through the CPPFLAGS.
- AC_DEFINE([GL_TRIGGER_STDC_LIMIT_MACROS], [1],
- [Define to make the limit macros in <stdint.h> visible.])
- AH_VERBATIM([__STDC_LIMIT_MACROS_ZZZ],
-[/* Ensure that <stdint.h> defines the limit macros, since gnulib's
- <inttypes.h> relies on them. */
-#if defined __cplusplus && !defined __STDC_LIMIT_MACROS && GL_TRIGGER_STDC_LIMIT_MACROS
-# define __STDC_LIMIT_MACROS 1
-#endif
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[#include <inttypes.h>
+ ]], [imaxabs imaxdiv strtoimax strtoumax])
])
+# Ensure that the PRI* and SCN* macros are defined appropriately.
+AC_DEFUN([gl_INTTYPES_PRI_SCN],
+[
+ AC_REQUIRE([gt_INTTYPES_PRI])
+
PRIPTR_PREFIX=
if test -n "$STDINT_H"; then
dnl Using the gnulib <stdint.h>. It always defines intptr_t to 'long'.
fi
AC_SUBST([PRIPTR_PREFIX])
- if test "$ac_cv_have_decl_imaxabs" = yes; then
- HAVE_DECL_IMAXABS=1
- else
- HAVE_DECL_IMAXABS=0
- fi
-
- if test "$ac_cv_have_decl_imaxdiv" = yes; then
- HAVE_DECL_IMAXDIV=1
- else
- HAVE_DECL_IMAXDIV=0
- fi
-
- if test "$ac_cv_have_decl_strtoimax" = yes; then
- HAVE_DECL_STRTOIMAX=1
- else
- HAVE_DECL_STRTOIMAX=0
- fi
-
- if test "$ac_cv_have_decl_strtoumax" = yes; then
- HAVE_DECL_STRTOUMAX=1
- else
- HAVE_DECL_STRTOUMAX=0
- fi
-
gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
[INT32_MAX_LT_INTMAX_MAX],
[defined INT32_MAX && defined INTMAX_MAX],
else
UINT64_MAX_EQ_ULONG_MAX=-1
fi
-
- dnl Check for declarations of anything we want to poison if the
- dnl corresponding gnulib module is not in use.
- gl_WARN_ON_USE_PREPARE([[#include <inttypes.h>
- ]], [imaxabs imaxdiv strtoimax strtoumax])
])
# Define the symbol $1 to be 1 if the condition is true, 0 otherwise.
HAVE_DECL_IMAXDIV=1; AC_SUBST([HAVE_DECL_IMAXDIV])
HAVE_DECL_STRTOIMAX=1; AC_SUBST([HAVE_DECL_STRTOIMAX])
HAVE_DECL_STRTOUMAX=1; AC_SUBST([HAVE_DECL_STRTOUMAX])
+ REPLACE_STRTOIMAX=0; AC_SUBST([REPLACE_STRTOIMAX])
+ INT32_MAX_LT_INTMAX_MAX=1; AC_SUBST([INT32_MAX_LT_INTMAX_MAX])
+ INT64_MAX_EQ_LONG_MAX='defined _LP64'; AC_SUBST([INT64_MAX_EQ_LONG_MAX])
+ PRI_MACROS_BROKEN=0; AC_SUBST([PRI_MACROS_BROKEN])
+ PRIPTR_PREFIX=__PRIPTR_PREFIX; AC_SUBST([PRIPTR_PREFIX])
+ UINT32_MAX_LT_UINTMAX_MAX=1; AC_SUBST([UINT32_MAX_LT_UINTMAX_MAX])
+ UINT64_MAX_EQ_ULONG_MAX='defined _LP64'; AC_SUBST([UINT64_MAX_EQ_ULONG_MAX])
])
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