From c253ec3a9c45cfce3661f38bc2f5156d4bdd7969 Mon Sep 17 00:00:00 2001 From: "Ondrej Zajicek (work)" Date: Tue, 9 May 2017 13:44:02 +0200 Subject: Some more autoconf cleanups Replace integer type width detection with C99 fixed-width types. Also remove some unused or obsolete code. Thanks to Ruben Kerkhof for the patchset. --- aclocal.m4 | 85 ++-------------------------------------------------- configure.ac | 16 ++-------- sysdep/config.h | 22 +++++++------- sysdep/linux/sysio.h | 10 ------- sysdep/unix/log.c | 8 ++--- 5 files changed, 21 insertions(+), 120 deletions(-) diff --git a/aclocal.m4 b/aclocal.m4 index f2775422..d48846af 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,75 +1,6 @@ dnl ** Additional Autoconf tests for BIRD configure script dnl ** (c) 1999 Martin Mares -AC_DEFUN([BIRD_CHECK_INTEGERS], -[AC_CHECK_SIZEOF(char, 0) -AC_CHECK_SIZEOF(short int, 0) -AC_CHECK_SIZEOF(int, 0) -AC_CHECK_SIZEOF(long int, 0) -AC_CHECK_SIZEOF(long long int, 0) -AH_TEMPLATE([INTEGER_8], [8-bit integer type]) -AH_TEMPLATE([INTEGER_16], [16-bit integer type]) -AH_TEMPLATE([INTEGER_32], [32-bit integer type]) -AH_TEMPLATE([INTEGER_64], [64-bit integer type]) - -for size in 1 2 4 8; do - bits=`expr $size "*" 8` - AC_MSG_CHECKING([for $bits-bit type]) - if test $ac_cv_sizeof_int = $size ; then - res=int - elif test $ac_cv_sizeof_char = $size ; then - res=char - elif test $ac_cv_sizeof_short_int = $size ; then - res="short int" - elif test $ac_cv_sizeof_long_int = $size ; then - res="long int" - elif test $ac_cv_sizeof_long_long_int = $size ; then - res="long long int" - else - AC_MSG_RESULT([not found]) - AC_MSG_ERROR([Cannot find $bits-bit integer type.]) - fi - AC_MSG_RESULT($res) - AC_DEFINE_UNQUOTED(INTEGER_$bits, $res) - done -]) - -dnl BIRD_CHECK_ENDIAN is unused and obsolete -AC_DEFUN([BIRD_CHECK_ENDIAN], -[AC_CACHE_CHECK([CPU endianity], bird_cv_c_endian,[ -AC_TRY_RUN([ -#include - -unsigned int x = 0x12345678; -unsigned char *z = (unsigned char *) &x; - -int main(void) -{ - FILE *f = fopen("conftestresult", "w"); - if (!f) return 10; - fprintf(f, "%02x %02x %02x %02x", *z, *(z+1), *(z+2), *(z+3)); - fclose(f); - exit(0); -} -],[ - endian=`cat conftestresult` - if test "$endian" = "12 34 56 78" ; then - bird_cv_c_endian=big-endian - elif test "$endian" = "78 56 34 12" ; then - bird_cv_c_endian=little-endian - fi -],[endian="test program failed"],[endian="not available, we're cross compiling"]) -if test -z "$bird_cv_c_endian" ; then - AC_MSG_RESULT($endian) - AC_MSG_ERROR([Cannot determine CPU endianity.]) - fi -]) -case $bird_cv_c_endian in - big-endian) AC_DEFINE(CPU_BIG_ENDIAN) ;; - little-endian) AC_DEFINE(CPU_LITTLE_ENDIAN) ;; - esac -]) - AC_DEFUN([BIRD_CHECK_STRUCT_ALIGN], [AC_CACHE_CHECK([usual alignment of structures],bird_cv_c_struct_align,[ AC_TRY_RUN([ @@ -126,18 +57,6 @@ case "$bird_cv_type_time_t" in esac ]) -AC_DEFUN([BIRD_CHECK_STRUCT_IP_MREQN], -[AC_CACHE_CHECK([for struct ip_mreqn], bird_cv_struct_ip_mreqn,[ -AC_TRY_COMPILE([#include -],[struct ip_mreqn x; -],[bird_cv_struct_ip_mreqn=yes -],[bird_cv_struct_ip_mreqn=no -])]) -if test "$bird_cv_struct_ip_mreqn" = yes ; then - AC_DEFINE([HAVE_STRUCT_IP_MREQN], [1], [Define to 1 if you have struct ip_mreqn]) -fi -]) - AC_DEFUN([BIRD_CHECK_PTHREADS], [ bird_tmp_cflags="$CFLAGS" @@ -170,7 +89,7 @@ AC_DEFUN([BIRD_ADD_GCC_OPTION], # BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE]) # copied autoconf internal _AC_PATH_PROG_FLAVOR_GNU -m4_define([BIRD_CHECK_PROG_FLAVOR_GNU], +AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU], [# Check for GNU $1 case `"$1" --version 2>&1` in *GNU*) @@ -179,4 +98,4 @@ m4_ifval([$3], [*) $3;; ])esac -])# +]) diff --git a/configure.ac b/configure.ac index c06677c5..2180bcdf 100644 --- a/configure.ac +++ b/configure.ac @@ -69,7 +69,7 @@ fi AC_SUBST(CONFIG_FILE) AC_SUBST(CONTROL_SOCKET) -AC_SEARCH_LIBS(clock_gettime, [c rt posix4], , +AC_SEARCH_LIBS(clock_gettime, [rt posix4], , AC_MSG_ERROR([[Function clock_gettime not available.]])) AC_CANONICAL_HOST @@ -84,14 +84,6 @@ if test -z "$GCC" ; then AC_MSG_ERROR([This program requires the GNU C Compiler.]) fi -# Enable threads by default just in Linux and FreeBSD -#if test "$enable_pthreads" = try ; then -# case "$host_os" in -# (linux* | freebsd* | openbsd* | netbsd* ) enable_pthreads=try ;; -# (*) enable_pthreads=no ;; -# esac -#fi - if test "$enable_pthreads" != no ; then BIRD_CHECK_PTHREADS @@ -248,8 +240,8 @@ case $sysdesc in ;; esac -AC_CHECK_HEADER(syslog.h, [AC_DEFINE([HAVE_SYSLOG], [1], [Define to 1 if you have the header file])]) -AC_CHECK_HEADER(alloca.h, [AC_DEFINE([HAVE_ALLOCA_H], [1], [Define to 1 if you have the header file])]) +AC_CHECK_HEADERS_ONCE([alloca.h syslog.h]) + AC_MSG_CHECKING(whether 'struct sockaddr' has sa_len) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( @@ -275,10 +267,8 @@ AC_C_BIGENDIAN( [AC_MSG_ERROR([Cannot determine CPU endianity.])] ) -BIRD_CHECK_INTEGERS BIRD_CHECK_STRUCT_ALIGN BIRD_CHECK_TIME_T -BIRD_CHECK_STRUCT_IP_MREQN if test "$enable_debug" = yes ; then AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled]) diff --git a/sysdep/config.h b/sysdep/config.h index 84085f9c..e529cd86 100644 --- a/sysdep/config.h +++ b/sysdep/config.h @@ -24,16 +24,18 @@ #include "sysdep/paths.h" /* Types */ -typedef signed INTEGER_8 s8; -typedef unsigned INTEGER_8 u8; -typedef INTEGER_16 s16; -typedef unsigned INTEGER_16 u16; -typedef INTEGER_32 s32; -typedef unsigned INTEGER_32 u32; -typedef INTEGER_64 s64; -typedef unsigned INTEGER_64 u64; -typedef u8 byte; -typedef u16 word; + +#include +typedef int8_t s8; +typedef uint8_t u8; +typedef int16_t s16; +typedef uint16_t u16; +typedef int32_t s32; +typedef uint32_t u32; +typedef int64_t s64; +typedef uint64_t u64; +typedef uint8_t byte; +typedef uint16_t word; typedef unsigned int uint; #endif diff --git a/sysdep/linux/sysio.h b/sysdep/linux/sysio.h index 58644417..b1cc25dc 100644 --- a/sysdep/linux/sysio.h +++ b/sysdep/linux/sysio.h @@ -7,16 +7,6 @@ */ -#ifndef HAVE_STRUCT_IP_MREQN -/* Several versions of glibc don't define this structure, so we have to do it ourselves */ -struct ip_mreqn -{ - struct in_addr imr_multiaddr; /* IP multicast address of group */ - struct in_addr imr_address; /* local IP address of interface */ - int imr_ifindex; /* Interface index */ -}; -#endif - #ifndef IP_MINTTL #define IP_MINTTL 21 #endif diff --git a/sysdep/unix/log.c b/sysdep/unix/log.c index b89e6b7a..88a7188c 100644 --- a/sysdep/unix/log.c +++ b/sysdep/unix/log.c @@ -56,7 +56,7 @@ static int main_thread_self(void) { return 1; } #endif -#ifdef HAVE_SYSLOG +#ifdef HAVE_SYSLOG_H #include static int syslog_priorities[] = { @@ -127,7 +127,7 @@ log_commit(int class, buffer *buf) fputc('\n', l->fh); fflush(l->fh); } -#ifdef HAVE_SYSLOG +#ifdef HAVE_SYSLOG_H else syslog(syslog_priorities[class], "%s", buf->start); #endif @@ -262,7 +262,7 @@ default_log_list(int debug, int init, char **syslog_name) init_list(&init_log_list); *syslog_name = NULL; -#ifdef HAVE_SYSLOG +#ifdef HAVE_SYSLOG_H if (!debug) { static struct log_config lc_syslog = { .mask = ~0 }; @@ -287,7 +287,7 @@ log_switch(int debug, list *l, char *new_syslog_name) current_log_list = l; -#ifdef HAVE_SYSLOG +#ifdef HAVE_SYSLOG_H if (current_syslog_name && new_syslog_name && !strcmp(current_syslog_name, new_syslog_name)) return; -- cgit v1.2.3 From e40542ef3a415d163a5ff5fee26c888fead79fa6 Mon Sep 17 00:00:00 2001 From: "Ondrej Zajicek (work)" Date: Tue, 9 May 2017 16:46:41 +0200 Subject: Minor autoconf cleanup and documentation update --- INSTALL | 12 +++++++++++- configure.ac | 20 +------------------- sysdep/unix/io.c | 2 +- 3 files changed, 13 insertions(+), 21 deletions(-) diff --git a/INSTALL b/INSTALL index 38784fe6..a0b107ef 100644 --- a/INSTALL +++ b/INSTALL @@ -9,13 +9,23 @@ Default location for configuration file is /usr/local/etc/bird.conf and for control socket is /usr/local/var/run/bird.ctl . You can change that by --sysconfdir and --localstatedir configure options. +To compile current development BIRD source code from Git repository, you +also need Git (to download the source code) and Autoconf (to generate +the configure script and associated files using 'autoreconf' tool): + +$ git clone git://git.nic.cz/bird.git +$ cd bird +$ autoreconf + +Then continue as in usual installation above. + Requirements ============ For compiling BIRD you need these programs and libraries: - - GNU C Compiler + - GNU C Compiler (or LLVM Clang) - GNU Make - GNU Bison - GNU M4 diff --git a/configure.ac b/configure.ac index 2180bcdf..ca8d7690 100644 --- a/configure.ac +++ b/configure.ac @@ -241,25 +241,7 @@ case $sysdesc in esac AC_CHECK_HEADERS_ONCE([alloca.h syslog.h]) - -AC_MSG_CHECKING(whether 'struct sockaddr' has sa_len) -AC_COMPILE_IFELSE([ - AC_LANG_PROGRAM( - [[ - #include - #include - ]], - [[ - static struct sockaddr sa; - int i = sizeof(sa.sa_len); - ]] - )], - [ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_SIN_LEN,,sin_len) - ], - [AC_MSG_RESULT(no)] -) +AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [], [#include ]) AC_C_BIGENDIAN( [AC_DEFINE([CPU_BIG_ENDIAN], [1], [Define to 1 if cpu is big endian])], diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c index 8773f4c4..561d4dea 100644 --- a/sysdep/unix/io.c +++ b/sysdep/unix/io.c @@ -516,7 +516,7 @@ static inline void sockaddr_fill4(struct sockaddr_in *sa, ip_addr a, uint port) { memset(sa, 0, sizeof(struct sockaddr_in)); -#ifdef HAVE_SIN_LEN +#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN sa->sin_len = sizeof(struct sockaddr_in); #endif sa->sin_family = AF_INET; -- cgit v1.2.3 From b81a73d1fbddda4c319899910d751215ff3d29ca Mon Sep 17 00:00:00 2001 From: "Ondrej Zajicek (work)" Date: Tue, 9 May 2017 18:58:22 +0200 Subject: Minor autoconf cleanups Make indentation and quotation consistent in configure macros. Also remove --with-sysinclude option, which was broken for 7 years and nobody complained. Thanks to Ruben Kerkhof for source patches. --- .gitignore | 5 +- aclocal.m4 | 196 ++++++++++++++++++--------- configure.ac | 429 ++++++++++++++++++++++++++++++++++++----------------------- 3 files changed, 394 insertions(+), 236 deletions(-) diff --git a/.gitignore b/.gitignore index 52510836..0b95d3a1 100644 --- a/.gitignore +++ b/.gitignore @@ -5,8 +5,9 @@ /bird /birdc /birdcl +/bird.conf +/bird.log /config.log /config.status /configure -/bird.conf -/bird.log +/sysdep/autoconf.h.in diff --git a/aclocal.m4 b/aclocal.m4 index d48846af..c4475160 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -2,69 +2,119 @@ dnl ** Additional Autoconf tests for BIRD configure script dnl ** (c) 1999 Martin Mares AC_DEFUN([BIRD_CHECK_STRUCT_ALIGN], -[AC_CACHE_CHECK([usual alignment of structures],bird_cv_c_struct_align,[ -AC_TRY_RUN([ -#include - -struct { char x; long int y; } ary[2]; - -int main(void) -{ - FILE *f = fopen("conftestresult", "w"); - if (!f) return 10; - fprintf(f, "%d", sizeof(ary)/2); - fclose(f); - exit(0); -} -],[ -bird_cv_c_struct_align=`cat conftestresult` -],[ -AC_MSG_RESULT([test program failed]) -AC_MSG_ERROR([Cannot determine structure alignment]) -],[bird_cv_c_struct_align=16]) -]) -AC_DEFINE_UNQUOTED([CPU_STRUCT_ALIGN], [$bird_cv_c_struct_align], [Usual alignment of structures]) +[ + AC_CACHE_CHECK( + [usual alignment of structures], + [bird_cv_c_struct_align], + [ + AC_TRY_RUN( + [ + #include + + struct { char x; long int y; } ary[2]; + + int main(void) + { + FILE *f = fopen("conftestresult", "w"); + if (!f) + return 10; + fprintf(f, "%d", sizeof(ary)/2); + fclose(f); + exit(0); + } + ], + [bird_cv_c_struct_align=$(cat conftestresult)], + [ + AC_MSG_RESULT([test program failed]) + AC_MSG_ERROR([Cannot determine structure alignment]) + ], + [bird_cv_c_struct_align=16] + ) + ] + ) + + AC_DEFINE_UNQUOTED([CPU_STRUCT_ALIGN], + [$bird_cv_c_struct_align], + [Usual alignment of structures] + ) ]) AC_DEFUN([BIRD_CHECK_TIME_T], -[AC_CACHE_CHECK([characteristics of time_t], bird_cv_type_time_t, [ -AC_TRY_RUN([ -#include -#include -#include - -int main(void) -{ - FILE *f = fopen("conftestresult", "w"); - if (!f) return 10; - fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT); - if ((time_t) -1 > 0) fprintf(f, "un"); - fprintf(f, "signed"); - fclose(f); - exit(0); -} -],[bird_cv_type_time_t=`cat conftestresult` -],[ AC_MSG_RESULT([test program failed]) - AC_MSG_ERROR([Cannot determine time_t size and signedness.]) -],[bird_cv_type_time_t="32-bit signed"]) -]) -case "$bird_cv_type_time_t" in - *64-bit*) AC_DEFINE([TIME_T_IS_64BIT], [1], [Define to 1 if time_t is 64 bit]) ;; - esac -case "$bird_cv_type_time_t" in - *unsigned*) ;; - *) AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed]) ;; - esac +[ + AC_CACHE_CHECK( + [characteristics of time_t], + [bird_cv_type_time_t], + [ + AC_TRY_RUN( + [ + #include + #include + #include + + int main(void) + { + FILE *f = fopen("conftestresult", "w"); + if (!f) + return 10; + fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT); + if ((time_t) -1 > 0) + fprintf(f, "un"); + fprintf(f, "signed"); + fclose(f); + exit(0); + } + ], + [bird_cv_type_time_t=$(cat conftestresult)], + [ + AC_MSG_RESULT([test program failed]) + AC_MSG_ERROR([Cannot determine time_t size and signedness.]) + ], + [bird_cv_type_time_t="32-bit signed"] + ) + ] + ) + + case "$bird_cv_type_time_t" in + *64-bit*) + AC_DEFINE([TIME_T_IS_64BIT], [1], [Define to 1 if time_t is 64 bit]) + ;; + esac + + case "$bird_cv_type_time_t" in + *unsigned*) + ;; + *) + AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed]) + ;; + esac ]) AC_DEFUN([BIRD_CHECK_PTHREADS], [ bird_tmp_cflags="$CFLAGS" - CFLAGS="$CFLAGS -pthread" - AC_CACHE_CHECK([whether POSIX threads are available], bird_cv_lib_pthreads, - [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[pthread_t pt; pthread_create(&pt, NULL, NULL, NULL); pthread_spinlock_t lock; pthread_spin_lock(&lock); ]])], - [bird_cv_lib_pthreads=yes], [bird_cv_lib_pthreads=no])]) + + AC_CACHE_CHECK( + [whether POSIX threads are available], + [bird_cv_lib_pthreads], + [ + AC_LINK_IFELSE( + [ + AC_LANG_PROGRAM( + [ #include ], + [ + pthread_t pt; + pthread_create(&pt, NULL, NULL, NULL); + pthread_spinlock_t lock; + pthread_spin_lock(&lock); + ] + ) + ], + [bird_cv_lib_pthreads=yes], + [bird_cv_lib_pthreads=no] + ) + ] + ) CFLAGS="$bird_tmp_cflags" ]) @@ -72,10 +122,19 @@ AC_DEFUN([BIRD_CHECK_PTHREADS], AC_DEFUN([BIRD_CHECK_GCC_OPTION], [ bird_tmp_cflags="$CFLAGS" - CFLAGS="$3 $2" - AC_CACHE_CHECK([whether CC supports $2], $1, - [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [$1=yes], [$1=no])]) + + AC_CACHE_CHECK( + [whether CC supports $2], + [$1], + [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM()], + [$1=yes], + [$1=no] + ) + ] + ) CFLAGS="$bird_tmp_cflags" ]) @@ -88,14 +147,19 @@ AC_DEFUN([BIRD_ADD_GCC_OPTION], ]) # BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE]) -# copied autoconf internal _AC_PATH_PROG_FLAVOR_GNU +# copied from autoconf internal _AC_PATH_PROG_FLAVOR_GNU AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU], -[# Check for GNU $1 -case `"$1" --version 2>&1` in -*GNU*) - $2;; -m4_ifval([$3], -[*) - $3;; -])esac +[ + # Check for GNU $1 + case `"$1" --version 2>&1` in + *GNU*) + $2 + ;; + m4_ifval([$3], + [*) + $3 + ;; + ] + ) + esac ]) diff --git a/configure.ac b/configure.ac index ca8d7690..aac5679c 100644 --- a/configure.ac +++ b/configure.ac @@ -4,191 +4,258 @@ dnl ** (c) 1999--2000 Martin Mares AC_INIT AC_CONFIG_SRCDIR([conf/confbase.Y]) -AC_CONFIG_AUX_DIR(tools) - -AC_ARG_ENABLE(debug, [ --enable-debug enable internal debugging routines (default: disabled)],,enable_debug=no) -AC_ARG_ENABLE(memcheck, [ --enable-memcheck check memory allocations when debugging (default: enabled)],,enable_memcheck=yes) -AC_ARG_ENABLE(client, [ --enable-client enable building of BIRD client (default: enabled)],,enable_client=yes) -AC_ARG_ENABLE(ipv6, [ --enable-ipv6 enable building of IPv6 version (default: disabled)],,enable_ipv6=no) -AC_ARG_ENABLE(pthreads, [ --enable-pthreads enable POSIX threads support (default: detect)],,enable_pthreads=try) -AC_ARG_WITH(suffix, [ --with-suffix=STRING use specified suffix for BIRD files (default: 6 for IPv6 version)],[given_suffix="yes"]) -AC_ARG_WITH(sysconfig, [ --with-sysconfig=FILE use specified BIRD system configuration file]) -AC_ARG_WITH(protocols, [ --with-protocols=LIST include specified routing protocols (default: all)],,[with_protocols="all"]) -AC_ARG_WITH(sysinclude, [ --with-sysinclude=PATH search for system includes on specified place]) -AC_ARG_WITH(runtimedir, [ --with-runtimedir=PATH path for runtime files (default: $(localstatedir)/run)],[runtimedir="$with_runtimedir"],[runtimedir="\$(localstatedir)/run"]) -AC_ARG_WITH(iproutedir, [ --with-iproutedir=PATH path to iproute2 config files (default: /etc/iproute2)],[given_iproutedir="yes"]) +AC_CONFIG_AUX_DIR([tools]) + +AC_ARG_ENABLE([client], + [AS_HELP_STRING([--enable-client], [enable building of BIRD client @<:@yes@:>@])], + [], + [enable_client=yes] +) + +AC_ARG_ENABLE([debug], + [AS_HELP_STRING([--enable-debug], [enable internal debugging routines @<:@no@:>@])], + [], + [enable_debug=no] +) + +AC_ARG_ENABLE([ipv6], + [AS_HELP_STRING([--enable-ipv6], [enable building of IPv6 version @<:@no@:>@])], + [], + [enable_ipv6=no] +) + +AC_ARG_ENABLE([memcheck], + [AS_HELP_STRING([--enable-memcheck], [check memory allocations when debugging @<:@yes@:>@])], + [], + [enable_memcheck=yes] +) + +AC_ARG_ENABLE([pthreads], + [AS_HELP_STRING([--enable-pthreads], [enable POSIX threads support @<:@try@:>@])], + [], + [enable_pthreads=try] +) + +AC_ARG_WITH([protocols], + [AS_HELP_STRING([--with-protocols=LIST], [include specified routing protocols @<:@all@:>@])], + [], + [with_protocols="all"] +) + +AC_ARG_WITH([suffix], + [AS_HELP_STRING([--with-suffix=STRING], [use specified suffix for BIRD files @<:@6 for IPv6@:>@])], + [given_suffix="yes"] +) + +AC_ARG_WITH([sysconfig], + [AS_HELP_STRING([--with-sysconfig=FILE], [use specified BIRD system configuration file])], + [] +) + +AC_ARG_WITH([runtimedir], + [AS_HELP_STRING([--with-runtimedir=PATH], [path for runtime files @<:@LOCALSTATEDIR/run@:>@])], + [runtimedir="$with_runtimedir"], + [runtimedir="\$(localstatedir)/run"] +) + +AC_ARG_WITH([iproutedir], + [AS_HELP_STRING([--with-iproutedir=PATH], [path to iproute2 config files @<:@/etc/iproute2@:>@])], + [given_iproutedir="yes"] +) + AC_ARG_VAR([FLEX], [location of the Flex program]) AC_ARG_VAR([BISON], [location of the Bison program]) AC_ARG_VAR([M4], [location of the M4 program]) if test "$srcdir" = . ; then - # Building in current directory => create obj directory holding all objects - objdir=obj - mkdir -p obj - srcdir_rel=.. - makefiles="Makefile:tools/Makefile-top.in obj/Makefile:tools/Makefile.in obj/Rules:tools/Rules.in" - exedir=.. + # Building in current directory => create obj directory holding all objects + objdir=obj + mkdir -p obj + srcdir_rel=.. + makefiles="Makefile:tools/Makefile-top.in obj/Makefile:tools/Makefile.in obj/Rules:tools/Rules.in" + exedir=.. else - # Building in separate directory - objdir=. - srcdir_rel=$srcdir - makefiles="Makefile:tools/Makefile.in Rules:tools/Rules.in" - exedir=. + # Building in separate directory + objdir=. + srcdir_rel=$srcdir + makefiles="Makefile:tools/Makefile.in Rules:tools/Rules.in" + exedir=. fi + case $srcdir_rel in - /*) srcdir_rel_mf=$srcdir_rel ;; - *) srcdir_rel_mf="\$(root-rel)$srcdir_rel" ;; + /*) srcdir_rel_mf=$srcdir_rel ;; + *) srcdir_rel_mf="\$(root-rel)$srcdir_rel" ;; esac -AC_SUBST(objdir) -AC_SUBST(exedir) -AC_SUBST(srcdir_rel_mf) -AC_SUBST(runtimedir) + +AC_SUBST([objdir]) +AC_SUBST([exedir]) +AC_SUBST([srcdir_rel_mf]) +AC_SUBST([runtimedir]) if test "$enable_ipv6" = yes ; then - ip=ipv6 - SUFFIX=6 - proto_radv=radv + ip=ipv6 + SUFFIX=6 + proto_radv=radv else - ip=ipv4 - SUFFIX="" + ip=ipv4 + SUFFIX="" fi if test "$given_suffix" = yes ; then - SUFFIX="$with_suffix" + SUFFIX="$with_suffix" fi -AC_SUBST(SUFFIX) +AC_SUBST([SUFFIX]) if test "$enable_debug" = yes ; then - CONFIG_FILE="bird$SUFFIX.conf" - CONTROL_SOCKET="bird$SUFFIX.ctl" + CONFIG_FILE="bird$SUFFIX.conf" + CONTROL_SOCKET="bird$SUFFIX.ctl" else - CONFIG_FILE="\$(sysconfdir)/bird$SUFFIX.conf" - CONTROL_SOCKET="$runtimedir/bird$SUFFIX.ctl" + CONFIG_FILE="\$(sysconfdir)/bird$SUFFIX.conf" + CONTROL_SOCKET="$runtimedir/bird$SUFFIX.ctl" fi -AC_SUBST(CONFIG_FILE) -AC_SUBST(CONTROL_SOCKET) +AC_SUBST([CONFIG_FILE]) +AC_SUBST([CONTROL_SOCKET]) -AC_SEARCH_LIBS(clock_gettime, [rt posix4], , - AC_MSG_ERROR([[Function clock_gettime not available.]])) +AC_SEARCH_LIBS([clock_gettime], [rt posix4], + [], + [AC_MSG_ERROR([Function clock_gettime not available.])] +) AC_CANONICAL_HOST # Store this value because ac_test_CFLAGS is overwritten by AC_PROG_CC if test "$ac_test_CFLAGS" != set ; then - bird_cflags_default=yes + bird_cflags_default=yes fi AC_PROG_CC if test -z "$GCC" ; then - AC_MSG_ERROR([This program requires the GNU C Compiler.]) + AC_MSG_ERROR([This program requires the GNU C Compiler.]) fi if test "$enable_pthreads" != no ; then - BIRD_CHECK_PTHREADS - - if test "$bird_cv_lib_pthreads" = yes ; then - AC_DEFINE([USE_PTHREADS], [1], [Define to 1 if pthreads are enabled]) - CFLAGS="$CFLAGS -pthread" - LDFLAGS="$LDFLAGS -pthread" - proto_bfd=bfd - elif test "$enable_pthreads" = yes ; then - AC_MSG_ERROR([POSIX threads not available.]) - fi - - if test "$enable_pthreads" = try ; then - enable_pthreads="$bird_cv_lib_pthreads" - fi + BIRD_CHECK_PTHREADS + + if test "$bird_cv_lib_pthreads" = yes ; then + AC_DEFINE([USE_PTHREADS], [1], [Define to 1 if pthreads are enabled]) + CFLAGS="$CFLAGS -pthread" + LDFLAGS="$LDFLAGS -pthread" + proto_bfd=bfd + elif test "$enable_pthreads" = yes ; then + AC_MSG_ERROR([POSIX threads not available.]) + fi + + if test "$enable_pthreads" = try ; then + enable_pthreads="$bird_cv_lib_pthreads" + fi fi if test "$bird_cflags_default" = yes ; then - BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign, -Wall) - BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers, -Wall -Wextra) - BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing) - BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow) - - CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses" - BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign) - BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_missing_init, -Wno-missing-field-initializers) - BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing) - BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow) + BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign], [-Wall]) + BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers], [-Wall -Wextra]) + BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing]) + BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow]) + + CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses" + BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign]) + BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers]) + BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing]) + BIRD_ADD_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow]) fi AC_MSG_CHECKING([CFLAGS]) -AC_MSG_RESULT($CFLAGS) +AC_MSG_RESULT([$CFLAGS]) AC_PROG_CPP AC_PROG_INSTALL AC_PROG_RANLIB -AC_CHECK_PROG(FLEX, flex, flex) -AC_CHECK_PROG(BISON, bison, bison) -AC_CHECK_PROGS(M4, gm4 m4) +AC_CHECK_PROG([FLEX], [flex], [flex]) +AC_CHECK_PROG([BISON], [bison], [bison]) +AC_CHECK_PROGS([M4], [gm4 m4]) test -z "$FLEX" && AC_MSG_ERROR([Flex is missing.]) test -z "$BISON" && AC_MSG_ERROR([Bison is missing.]) test -z "$M4" && AC_MSG_ERROR([M4 is missing.]) -BIRD_CHECK_PROG_FLAVOR_GNU([$M4], , [AC_MSG_ERROR([Provided M4 is not GNU M4.])]) + +BIRD_CHECK_PROG_FLAVOR_GNU([$M4], + [], + [AC_MSG_ERROR([Provided M4 is not GNU M4.])] +) if test -n "$with_sysconfig" -a "$with_sysconfig" != no ; then - if test -f $with_sysconfig ; then - sysdesc=$with_sysconfig - else - sysdesc=$srcdir/sysdep/cf/$with_sysconfig - if ! test -f $sysdesc ; then - sysdesc=$sysdesc.h - fi - fi + if test -f $with_sysconfig ; then + sysdesc=$with_sysconfig + else + sysdesc=$srcdir/sysdep/cf/$with_sysconfig + if ! test -f $sysdesc ; then + sysdesc=$sysdesc.h + fi + fi elif test -f sysconfig.h ; then - sysdesc=sysconfig + sysdesc=sysconfig else - case "$ip:$host_os" in - ipv6:linux*) sysdesc=linux-v6 - default_iproutedir="/etc/iproute2" - ;; - ipv4:linux*) sysdesc=linux - default_iproutedir="/etc/iproute2" - ;; - ipv6:netbsd*) sysdesc=bsd-v6 - CPPFLAGS="$CPPFLAGS -I/usr/pkg/include" - LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib" - ;; - ipv4:netbsd*) sysdesc=bsd - CPPFLAGS="$CPPFLAGS -I/usr/pkg/include" - LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib" - ;; - ipv6:freebsd*) sysdesc=bsd-v6 - ;; - ipv4:freebsd*) sysdesc=bsd - ;; - ipv6:dragonfly*) sysdesc=bsd-v6 - ;; - ipv4:dragonfly*) sysdesc=bsd - ;; - ipv6:kfreebsd*) sysdesc=bsd-v6 - ;; - ipv4:kfreebsd*) sysdesc=bsd - ;; - ipv6:openbsd*) sysdesc=bsd-v6 - ;; - ipv4:openbsd*) sysdesc=bsd - ;; - *) AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.]) - ;; - esac - sysdesc=$srcdir/sysdep/cf/$sysdesc.h + case "$ip:$host_os" in + ipv6:linux*) + sysdesc=linux-v6 + default_iproutedir="/etc/iproute2" + ;; + ipv4:linux*) + sysdesc=linux + default_iproutedir="/etc/iproute2" + ;; + ipv6:netbsd*) + sysdesc=bsd-v6 + CPPFLAGS="$CPPFLAGS -I/usr/pkg/include" + LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib" + ;; + ipv4:netbsd*) + sysdesc=bsd + CPPFLAGS="$CPPFLAGS -I/usr/pkg/include" + LDFLAGS="$LDFLAGS -L/usr/pkg/lib -R/usr/pkg/lib" + ;; + ipv6:freebsd*) + sysdesc=bsd-v6 + ;; + ipv4:freebsd*) + sysdesc=bsd + ;; + ipv6:dragonfly*) + sysdesc=bsd-v6 + ;; + ipv4:dragonfly*) + sysdesc=bsd + ;; + ipv6:kfreebsd*) + sysdesc=bsd-v6 + ;; + ipv4:kfreebsd*) + sysdesc=bsd + ;; + ipv6:openbsd*) + sysdesc=bsd-v6 + ;; + ipv4:openbsd*) + sysdesc=bsd + ;; + *) + AC_MSG_ERROR([Cannot determine correct system configuration. Please use --with-sysconfig to set it manually.]) + ;; + esac + sysdesc=$srcdir/sysdep/cf/$sysdesc.h fi AC_MSG_CHECKING([which OS configuration should we use]) -AC_MSG_RESULT($sysdesc) +AC_MSG_RESULT([$sysdesc]) if ! test -f $sysdesc ; then - AC_MSG_ERROR([The system configuration file is missing.]) + AC_MSG_ERROR([The system configuration file is missing.]) fi sysname=`echo $sysdesc | sed 's/\.h$//'` AC_DEFINE_UNQUOTED([SYSCONF_INCLUDE], ["$sysdesc"], [Which sysdep header to include]) AC_MSG_CHECKING([system-dependent directories]) sysdep_dirs="`sed <$sysdesc '/^Link: /!d;s/^Link: \(.*\)$/\1/' | tr '\012' ' '` lib" -AC_MSG_RESULT($sysdep_dirs) -AC_SUBST(sysdep_dirs) +AC_MSG_RESULT([$sysdep_dirs]) +AC_SUBST([sysdep_dirs]) if test "$with_iproutedir" = no ; then with_iproutedir= ; fi @@ -197,7 +264,7 @@ then iproutedir=$with_iproutedir else iproutedir=$default_iproutedir fi -AC_SUBST(iproutedir) +AC_SUBST([iproutedir]) all_protocols="$proto_bfd bgp ospf pipe $proto_radv rip static" if test "$ip" = ipv6 ; then @@ -206,7 +273,7 @@ fi all_protocols=`echo $all_protocols | sed 's/ /,/g'` if test "$with_protocols" = all ; then - with_protocols="$all_protocols" + with_protocols="$all_protocols" fi AH_TEMPLATE([CONFIG_BABEL], [Babel protocol]) @@ -222,22 +289,26 @@ AC_MSG_CHECKING([protocols]) protocols=`echo "$with_protocols" | sed 's/,/ /g'` if test "$protocols" = no ; then protocols= ; fi for a in $protocols ; do - if ! test -f $srcdir/proto/$a/Makefile ; then - AC_MSG_RESULT(failed) - AC_MSG_ERROR([Requested protocol $a not found.]) - fi - AC_DEFINE_UNQUOTED(CONFIG_`echo $a | tr 'a-z' 'A-Z'`) - done -AC_MSG_RESULT(ok) -AC_SUBST(protocols) + if ! test -f $srcdir/proto/$a/Makefile ; then + AC_MSG_RESULT([failed]) + AC_MSG_ERROR([Requested protocol $a not found]) + fi + AC_DEFINE_UNQUOTED([CONFIG_`echo $a | tr 'a-z' 'A-Z'`]) +done +AC_MSG_RESULT([ok]) +AC_SUBST([protocols]) case $sysdesc in - */linux*|*/linux-v6*) - AC_CHECK_HEADER(linux/rtnetlink.h,,[AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])],[ -#include -#include -]) - ;; + */linux*|*/linux-v6*) + AC_CHECK_HEADER([linux/rtnetlink.h], + [], + [AC_MSG_ERROR([Appropriate version of Linux kernel headers not found.])], + [ + #include + #include + ] + ) + ;; esac AC_CHECK_HEADERS_ONCE([alloca.h syslog.h]) @@ -253,43 +324,65 @@ BIRD_CHECK_STRUCT_ALIGN BIRD_CHECK_TIME_T if test "$enable_debug" = yes ; then - AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled]) - if test "$enable_memcheck" = yes ; then - AC_CHECK_LIB(dmalloc, dmalloc_debug) - if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then - AC_CHECK_LIB(efence, malloc) - fi - fi + AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled]) + if test "$enable_memcheck" = yes ; then + AC_CHECK_LIB([dmalloc], [dmalloc_debug]) + if test $ac_cv_lib_dmalloc_dmalloc_debug != yes ; then + AC_CHECK_LIB([efence], [malloc]) + fi + fi fi CLIENT= CLIENT_LIBS= if test "$enable_client" = yes ; then - CLIENT=birdc - AC_CHECK_LIB(history, add_history, CLIENT_LIBS="-lhistory") - AC_CHECK_LIB(ncurses, tgetent, USE_TERMCAP_LIB=-lncurses, - AC_CHECK_LIB(curses, tgetent, USE_TERMCAP_LIB=-lcurses, - AC_CHECK_LIB(tinfow, tgetent, USE_TERMCAP_LIB=-ltinfow, - AC_CHECK_LIB(tinfo, tgetent, USE_TERMCAP_LIB=-ltinfo, - AC_CHECK_LIB(termcap, tgetent, USE_TERMCAP_LIB=-ltermcap, - AC_MSG_ERROR([[The client requires ncurses library. Either install the library or use --disable-client to compile without the client.]])))))) - AC_CHECK_LIB(readline, rl_callback_read_char, CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB", - AC_MSG_ERROR([[The client requires GNU readline library 2.1 or newer. Either install the library or use --disable-client to compile without the client.]]), $USE_TERMCAP_LIB) - AC_CHECK_LIB(readline, rl_crlf, AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()]),,$USE_TERMCAP_LIB) - AC_CHECK_LIB(readline, rl_ding, AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()]),,$USE_TERMCAP_LIB) + CLIENT=birdc + AC_CHECK_LIB([history], [add_history], [CLIENT_LIBS="-lhistory"]) + AC_CHECK_LIB([ncurses], [tgetent], [USE_TERMCAP_LIB=-lncurses], + AC_CHECK_LIB([curses], [tgetent], [USE_TERMCAP_LIB=-lcurses], + AC_CHECK_LIB([tinfow], [tgetent], [USE_TERMCAP_LIB=-ltinfow], + AC_CHECK_LIB([tinfo], [tgetent], [USE_TERMCAP_LIB=-ltinfo], + AC_CHECK_LIB([termcap], [tgetent], [USE_TERMCAP_LIB=-ltermcap], + [AC_MSG_ERROR([The client requires ncurses library. Either install the library or use --disable-client to compile without the client.])] + ) + ) + ) + ) + ) + + AC_CHECK_LIB([readline], [rl_callback_read_char], + [CLIENT_LIBS="-lreadline $CLIENT_LIBS $USE_TERMCAP_LIB"], + [AC_MSG_ERROR([The client requires GNU readline library 2.1 or newer. Either install the library or use --disable-client to compile without the client.])], + [$USE_TERMCAP_LIB] + ) + + AC_CHECK_LIB([readline], [rl_crlf], + [AC_DEFINE([HAVE_RL_CRLF], [1], [Define to 1 if you have rl_crlf()])], + [], + [$USE_TERMCAP_LIB] + ) + + AC_CHECK_LIB([readline], [rl_ding], + [AC_DEFINE([HAVE_RL_DING], [1], [Define to 1 if you have rl_ding()])], + [], + [$USE_TERMCAP_LIB] + ) fi -AC_SUBST(CLIENT) -AC_SUBST(CLIENT_LIBS) +AC_SUBST([CLIENT]) +AC_SUBST([CLIENT_LIBS]) mkdir -p $objdir/sysdep AC_CONFIG_HEADERS([$objdir/sysdep/autoconf.h:sysdep/autoconf.h.in]) -AC_CONFIG_COMMANDS([merge],[[export CPP="$CPP" -$srcdir/tools/mergedirs $srcdir $srcdir_rel $objdir $sysdep_dirs]], - [[srcdir=$srcdir] - [srcdir_rel=$srcdir_rel] - [objdir=$objdir] - [sysdep_dirs="$sysdep_dirs"]]) -AC_CONFIG_FILES($makefiles) +AC_CONFIG_COMMANDS([merge], + [ export CPP="$CPP"; $srcdir/tools/mergedirs $srcdir $srcdir_rel $objdir $sysdep_dirs ], + [ + srcdir=$srcdir + srcdir_rel=$srcdir_rel + objdir=$objdir + sysdep_dirs="$sysdep_dirs" + ] +) +AC_CONFIG_FILES([$makefiles]) AC_OUTPUT rm -f $objdir/sysdep/paths.h -- cgit v1.2.3 From b845ea097c285f17641d60df3dea4d3e820a1475 Mon Sep 17 00:00:00 2001 From: "Ondrej Zajicek (work)" Date: Thu, 11 May 2017 01:29:39 +0200 Subject: Remove autoconf macros for time_t and alignment Replaced by constant compile-time expressions. CPU_STRUCT_ALIGN is not really correct, but is consistent with the old behavior. --- aclocal.m4 | 88 ----------------------------------------------------- configure.ac | 3 -- lib/birdlib.h | 3 ++ sysdep/unix/timer.h | 16 +++++----- 4 files changed, 10 insertions(+), 100 deletions(-) diff --git a/aclocal.m4 b/aclocal.m4 index c4475160..365bfa81 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1,94 +1,6 @@ dnl ** Additional Autoconf tests for BIRD configure script dnl ** (c) 1999 Martin Mares -AC_DEFUN([BIRD_CHECK_STRUCT_ALIGN], -[ - AC_CACHE_CHECK( - [usual alignment of structures], - [bird_cv_c_struct_align], - [ - AC_TRY_RUN( - [ - #include - - struct { char x; long int y; } ary[2]; - - int main(void) - { - FILE *f = fopen("conftestresult", "w"); - if (!f) - return 10; - fprintf(f, "%d", sizeof(ary)/2); - fclose(f); - exit(0); - } - ], - [bird_cv_c_struct_align=$(cat conftestresult)], - [ - AC_MSG_RESULT([test program failed]) - AC_MSG_ERROR([Cannot determine structure alignment]) - ], - [bird_cv_c_struct_align=16] - ) - ] - ) - - AC_DEFINE_UNQUOTED([CPU_STRUCT_ALIGN], - [$bird_cv_c_struct_align], - [Usual alignment of structures] - ) -]) - -AC_DEFUN([BIRD_CHECK_TIME_T], -[ - AC_CACHE_CHECK( - [characteristics of time_t], - [bird_cv_type_time_t], - [ - AC_TRY_RUN( - [ - #include - #include - #include - - int main(void) - { - FILE *f = fopen("conftestresult", "w"); - if (!f) - return 10; - fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT); - if ((time_t) -1 > 0) - fprintf(f, "un"); - fprintf(f, "signed"); - fclose(f); - exit(0); - } - ], - [bird_cv_type_time_t=$(cat conftestresult)], - [ - AC_MSG_RESULT([test program failed]) - AC_MSG_ERROR([Cannot determine time_t size and signedness.]) - ], - [bird_cv_type_time_t="32-bit signed"] - ) - ] - ) - - case "$bird_cv_type_time_t" in - *64-bit*) - AC_DEFINE([TIME_T_IS_64BIT], [1], [Define to 1 if time_t is 64 bit]) - ;; - esac - - case "$bird_cv_type_time_t" in - *unsigned*) - ;; - *) - AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed]) - ;; - esac -]) - AC_DEFUN([BIRD_CHECK_PTHREADS], [ bird_tmp_cflags="$CFLAGS" diff --git a/configure.ac b/configure.ac index aac5679c..7910c196 100644 --- a/configure.ac +++ b/configure.ac @@ -320,9 +320,6 @@ AC_C_BIGENDIAN( [AC_MSG_ERROR([Cannot determine CPU endianity.])] ) -BIRD_CHECK_STRUCT_ALIGN -BIRD_CHECK_TIME_T - if test "$enable_debug" = yes ; then AC_DEFINE([DEBUGGING], [1], [Define to 1 if debugging is enabled]) if test "$enable_memcheck" = yes ; then diff --git a/lib/birdlib.h b/lib/birdlib.h index 37337078..d21cdf1f 100644 --- a/lib/birdlib.h +++ b/lib/birdlib.h @@ -14,9 +14,12 @@ /* Ugly structure offset handling macros */ +struct align_probe { char x; long int y; }; + #define OFFSETOF(s, i) ((size_t) &((s *)0)->i) #define SKIP_BACK(s, i, p) ((s *)((char *)p - OFFSETOF(s, i))) #define BIRD_ALIGN(s, a) (((s)+a-1)&~(a-1)) +#define CPU_STRUCT_ALIGN (sizeof(struct align_probe)) /* Utility macros */ diff --git a/sysdep/unix/timer.h b/sysdep/unix/timer.h index 99d43932..ae5a27e8 100644 --- a/sysdep/unix/timer.h +++ b/sysdep/unix/timer.h @@ -77,14 +77,12 @@ bird_clock_t tm_parse_datetime(char *); /* Convert date to bird_clock_t */ void tm_format_datetime(char *x, struct timeformat *fmt_spec, bird_clock_t t); -#ifdef TIME_T_IS_64BIT -#define TIME_INFINITY 0x7fffffffffffffff -#else -#ifdef TIME_T_IS_SIGNED -#define TIME_INFINITY 0x7fffffff -#else -#define TIME_INFINITY 0xffffffff -#endif -#endif +#define TIME_T_IS_64BIT (sizeof(time_t) == 8) +#define TIME_T_IS_SIGNED ((time_t) -1 < 0) + +#define TIME_INFINITY \ + ((time_t) (TIME_T_IS_SIGNED ? \ + (TIME_T_IS_64BIT ? 0x7fffffffffffffff : 0x7fffffff): \ + (TIME_T_IS_64BIT ? 0xffffffffffffffff : 0xffffffff))) #endif -- cgit v1.2.3