summaryrefslogtreecommitdiff
path: root/m4
diff options
context:
space:
mode:
authorPaul Eggert <eggert@cs.ucla.edu>2011-04-26 12:29:47 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2011-04-26 12:29:47 -0700
commitb6f5355a9e65892e4af245fbd9789cd9a9a5ed6b (patch)
tree5bd7d3ee0cc23ffcae7c592a3ecef6850cbc3d86 /m4
parentaa0b008761ca665ee64bc65a7208478a6bb69fe2 (diff)
downloademacs-b6f5355a9e65892e4af245fbd9789cd9a9a5ed6b.tar.gz
Update from gnulib.
Diffstat (limited to 'm4')
-rw-r--r--m4/gl-comp.m410
-rw-r--r--m4/inttypes.m4109
-rw-r--r--m4/strtoumax.m41
3 files changed, 115 insertions, 5 deletions
diff --git a/m4/gl-comp.m4 b/m4/gl-comp.m4
index 16f62236e27..3b7bdfc5673 100644
--- a/m4/gl-comp.m4
+++ b/m4/gl-comp.m4
@@ -43,7 +43,7 @@ AC_DEFUN([gl_EARLY],
# Code from module ignore-value:
# Code from module include_next:
# Code from module intprops:
- # Code from module inttypes-h:
+ # Code from module inttypes-incomplete:
# Code from module lstat:
# Code from module mktime:
# Code from module multiarch:
@@ -57,6 +57,7 @@ AC_DEFUN([gl_EARLY],
# Code from module stdio:
# Code from module stdlib:
# Code from module strftime:
+ # Code from module strtoull:
# Code from module strtoumax:
# Code from module symlink:
# Code from module sys_stat:
@@ -111,8 +112,8 @@ AC_DEFUN([gl_INIT],
AC_REQUIRE([AC_C_INLINE])
# Code from module include_next:
# Code from module intprops:
- # Code from module inttypes-h:
- gl_INTTYPES_H
+ # Code from module inttypes-incomplete:
+ gl_INTTYPES_INCOMPLETE
# Code from module lstat:
gl_FUNC_LSTAT
gl_SYS_STAT_MODULE_INDICATOR([lstat])
@@ -143,6 +144,9 @@ AC_DEFUN([gl_INIT],
gl_STDLIB_H
# Code from module strftime:
gl_FUNC_GNU_STRFTIME
+ # Code from module strtoull:
+ gl_FUNC_STRTOULL
+ gl_STDLIB_MODULE_INDICATOR([strtoull])
# Code from module strtoumax:
gl_FUNC_STRTOUMAX
gl_INTTYPES_MODULE_INDICATOR([strtoumax])
diff --git a/m4/inttypes.m4 b/m4/inttypes.m4
index 920f72db755..1e81990bda2 100644
--- a/m4/inttypes.m4
+++ b/m4/inttypes.m4
@@ -1,4 +1,4 @@
-# inttypes.m4 serial 19
+# inttypes.m4 serial 23
dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -9,6 +9,12 @@ 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([gl_INTTYPES_INCOMPLETE],
+[
AC_REQUIRE([gl_STDINT_H])
AC_CHECK_HEADERS_ONCE([inttypes.h])
@@ -40,6 +46,105 @@ AC_DEFUN([gl_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'.
+ PRIPTR_PREFIX='"l"'
+ else
+ dnl Using the system's <stdint.h>.
+ for glpfx in '' l ll I64; do
+ case $glpfx in
+ '') gltype1='int';;
+ l) gltype1='long int';;
+ ll) gltype1='long long int';;
+ I64) gltype1='__int64';;
+ esac
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[#include <stdint.h>
+ extern intptr_t foo;
+ extern $gltype1 foo;]])],
+ [PRIPTR_PREFIX='"'$glpfx'"'])
+ test -n "$PRIPTR_PREFIX" && break
+ done
+ fi
+ AC_SUBST([PRIPTR_PREFIX])
+
+ gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
+ [INT32_MAX_LT_INTMAX_MAX],
+ [defined INT32_MAX && defined INTMAX_MAX],
+ [INT32_MAX < INTMAX_MAX],
+ [sizeof (int) < sizeof (long long int)])
+ if test $APPLE_UNIVERSAL_BUILD = 0; then
+ gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
+ [INT64_MAX_EQ_LONG_MAX],
+ [defined INT64_MAX],
+ [INT64_MAX == LONG_MAX],
+ [sizeof (long long int) == sizeof (long int)])
+ else
+ INT64_MAX_EQ_LONG_MAX=-1
+ fi
+ gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
+ [UINT32_MAX_LT_UINTMAX_MAX],
+ [defined UINT32_MAX && defined UINTMAX_MAX],
+ [UINT32_MAX < UINTMAX_MAX],
+ [sizeof (unsigned int) < sizeof (unsigned long long int)])
+ if test $APPLE_UNIVERSAL_BUILD = 0; then
+ gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION(
+ [UINT64_MAX_EQ_ULONG_MAX],
+ [defined UINT64_MAX],
+ [UINT64_MAX == ULONG_MAX],
+ [sizeof (unsigned long long int) == sizeof (unsigned long int)])
+ else
+ UINT64_MAX_EQ_ULONG_MAX=-1
+ fi
+])
+
+# Define the symbol $1 to be 1 if the condition is true, 0 otherwise.
+# If $2 is true, the condition is $3; otherwise if long long int is supported
+# approximate the condition with $4; otherwise, assume the condition is false.
+# The condition should work on all C99 platforms; the approximations should be
+# good enough to work on all practical pre-C99 platforms.
+# $2 is evaluated by the C preprocessor, $3 and $4 as compile-time constants.
+AC_DEFUN([gl_INTTYPES_CHECK_LONG_LONG_INT_CONDITION],
+[
+ AC_CACHE_CHECK([whether $3],
+ [gl_cv_test_$1],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[/* Work also in C++ mode. */
+ #define __STDC_LIMIT_MACROS 1
+
+ /* Work if build is not clean. */
+ #define _GL_JUST_INCLUDE_SYSTEM_STDINT_H
+
+ #include <limits.h>
+ #if HAVE_STDINT_H
+ #include <stdint.h>
+ #endif
+
+ #if $2
+ #define CONDITION ($3)
+ #elif HAVE_LONG_LONG_INT
+ #define CONDITION ($4)
+ #else
+ #define CONDITION 0
+ #endif
+ int test[CONDITION ? 1 : -1];]])],
+ [gl_cv_test_$1=yes],
+ [gl_cv_test_$1=no])])
+ if test $gl_cv_test_$1 = yes; then
+ $1=1;
+ else
+ $1=0;
+ fi
+ AC_SUBST([$1])
+])
+
AC_DEFUN([gl_INTTYPES_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
@@ -58,8 +163,10 @@ AC_DEFUN([gl_INTTYPES_H_DEFAULTS],
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])
+ 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])
])
diff --git a/m4/strtoumax.m4 b/m4/strtoumax.m4
index 3ca38cdbc93..7fa563642a8 100644
--- a/m4/strtoumax.m4
+++ b/m4/strtoumax.m4
@@ -23,5 +23,4 @@ AC_DEFUN([gl_FUNC_STRTOUMAX],
AC_DEFUN([gl_PREREQ_STRTOUMAX], [
AC_CHECK_DECLS([strtoull])
AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
- gl_FUNC_STRTOULL
])