From d6a195a3c373f67632cb98d6e6e14f974ef062f9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= Date: Fri, 18 Jan 2013 16:49:48 -0500 Subject: [PATCH] build-sys: add autoconf macro to pick macro for x32 compatibility --- configure.ac | 1 + m4/sd_check_max_int_size.m4 | 27 +++++++++++++++++++++++++++ src/core/manager.c | 4 ++-- 3 files changed, 30 insertions(+), 2 deletions(-) create mode 100644 m4/sd_check_max_int_size.m4 diff --git a/configure.ac b/configure.ac index 3566dac83..540bfa47a 100644 --- a/configure.ac +++ b/configure.ac @@ -40,6 +40,7 @@ AC_DEFINE_UNQUOTED([CANONICAL_HOST], "$host", [Canonical host string.]) AS_IF([test "x$host_cpu" = "xmips" || test "x$host_cpu" = "xmipsel" || test "x$host_cpu" = "xmips64" || test "x$host_cpu" = "xmips64el"], [AC_DEFINE(ARCH_MIPS, [], [Whether on mips arch])]) +SD_CHECK_MAX_INT_SIZE([time_t], [#include ]) LT_PREREQ(2.2) LT_INIT([disable-static]) diff --git a/m4/sd_check_max_int_size.m4 b/m4/sd_check_max_int_size.m4 new file mode 100644 index 000000000..a4230b5ee --- /dev/null +++ b/m4/sd_check_max_int_size.m4 @@ -0,0 +1,27 @@ +dnl Find what INT_MAX define to use for a type + +#serial 1 + +ifdef([AC_TR_SH],[], [ +define([AC_TR_SH], + [patsubst(translit([[$1]], [*+], [pp]), [[^a-zA-Z0-9_]], [_])]) +define([AC_TR_CPP], + [patsubst(translit([[$1]], + [*abcdefghijklmnopqrstuvwxyz], + [PABCDEFGHIJKLMNOPQRSTUVWXYZ]), + [[^A-Z0-9_]], [_])]) +]) + +AC_DEFUN([SD_CHECK_MAX_INT_SIZE], + [AC_CHECK_SIZEOF([long],,) + AC_CHECK_SIZEOF([long long],,) + AC_CHECK_SIZEOF([$1],,[$2]) + AS_CASE([$ac_cv_sizeof_[]AC_TR_SH($1)], + [$ac_cv_sizeof_long], [sd_type_max=LONG_MAX], + [$ac_cv_sizeof_long_long], [sd_type_max=LONG_LONG_MAX], + [AC_MSG_ERROR([Don't know how to map $1 to an integer])]) + AC_DEFINE_UNQUOTED(AC_TR_CPP($1_MAX), [$sd_type_max], + [what int to use to maximize $1]) + AC_MSG_CHECKING([what int to to use to maximize $1]) + AC_MSG_RESULT([$sd_type_max]) +]) diff --git a/src/core/manager.c b/src/core/manager.c index df0fd63e8..d4afc931f 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -157,8 +157,8 @@ static int manager_setup_time_change(Manager *m) { /* We only care for the cancellation event, hence we set the * timeout to the latest possible value. */ - assert_cc(sizeof(time_t) == sizeof(long)); - its.it_value.tv_sec = LONG_MAX; + assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX)); + its.it_value.tv_sec = TIME_T_MAX; if (timerfd_settime(m->time_change_watch.fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) { log_debug("Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m"); -- 2.30.2