AC_DEFUN(AC_LBL_C_INIT_BEFORE_CC,
[AC_PREREQ(2.50)
AC_BEFORE([$0], [AC_LBL_C_INIT])
AC_BEFORE([$0], [AC_PROG_CC])
AC_BEFORE([$0], [AC_LBL_FIXINCLUDES])
AC_BEFORE([$0], [AC_LBL_DEVEL])
AC_ARG_WITH(gcc, [ --without-gcc don't use gcc])
$1="-O"
$2=""
if test "${srcdir}" != "." ; then
$2="-I\$(srcdir)"
fi
if test "${CFLAGS+set}" = set; then
LBL_CFLAGS="$CFLAGS"
fi
if test -z "$CC" ; then
case "$host_os" in
bsdi*)
AC_CHECK_PROG(SHLICC2, shlicc2, yes, no)
if test $SHLICC2 = yes ; then
CC=shlicc2
export CC
fi
;;
esac
fi
if test -z "$CC" -a "$with_gcc" = no ; then
CC=cc
export CC
fi
])
AC_DEFUN(AC_LBL_C_INIT,
[AC_PREREQ(2.50)
AC_BEFORE([$0], [AC_LBL_FIXINCLUDES])
AC_BEFORE([$0], [AC_LBL_DEVEL])
AC_BEFORE([$0], [AC_LBL_SHLIBS_INIT])
if test "$GCC" = yes ; then
if test "$SHLICC2" = yes ; then
ac_cv_lbl_gcc_vers=2
$1="-O2"
else
AC_MSG_CHECKING(gcc version)
AC_CACHE_VAL(ac_cv_lbl_gcc_vers,
ac_cv_lbl_gcc_vers=`$CC -v 2>&1 | \
sed -e '/^gcc version /!d' \
-e 's/^gcc version //' \
-e 's/ .*//' -e 's/^[[[^0-9]]]*//' \
-e 's/\..*//'`)
AC_MSG_RESULT($ac_cv_lbl_gcc_vers)
if test $ac_cv_lbl_gcc_vers -gt 1 ; then
$1="-O2"
fi
fi
else
AC_MSG_CHECKING(that $CC handles ansi prototypes)
AC_CACHE_VAL(ac_cv_lbl_cc_ansi_prototypes,
AC_TRY_COMPILE(
[ [int frob(int, char *)],
ac_cv_lbl_cc_ansi_prototypes=yes,
ac_cv_lbl_cc_ansi_prototypes=no))
AC_MSG_RESULT($ac_cv_lbl_cc_ansi_prototypes)
if test $ac_cv_lbl_cc_ansi_prototypes = no ; then
case "$host_os" in
hpux*)
AC_MSG_CHECKING(for HP-UX ansi compiler ($CC -Aa -D_HPUX_SOURCE))
savedcflags="$CFLAGS"
CFLAGS="-Aa -D_HPUX_SOURCE $CFLAGS"
AC_CACHE_VAL(ac_cv_lbl_cc_hpux_cc_aa,
AC_TRY_COMPILE(
[ [int frob(int, char *)],
ac_cv_lbl_cc_hpux_cc_aa=yes,
ac_cv_lbl_cc_hpux_cc_aa=no))
AC_MSG_RESULT($ac_cv_lbl_cc_hpux_cc_aa)
if test $ac_cv_lbl_cc_hpux_cc_aa = no ; then
AC_MSG_ERROR(see the INSTALL doc for more info)
fi
CFLAGS="$savedcflags"
$1="-Aa $$1"
AC_DEFINE(_HPUX_SOURCE,1,[needed on HP-UX])
;;
osf*)
AC_MSG_CHECKING(for ansi mode in DEC compiler ($CC -std1))
savedcflags="$CFLAGS"
CFLAGS="-std1"
AC_CACHE_VAL(ac_cv_lbl_cc_osf1_cc_std1,
AC_TRY_COMPILE(
[ [int frob(int, char *)],
ac_cv_lbl_cc_osf1_cc_std1=yes,
ac_cv_lbl_cc_osf1_cc_std1=no))
AC_MSG_RESULT($ac_cv_lbl_cc_osf1_cc_std1)
if test $ac_cv_lbl_cc_osf1_cc_std1 = no ; then
AC_MSG_ERROR(see the INSTALL doc for more info)
fi
CFLAGS="$savedcflags"
$1="-std1 $$1"
;;
*)
AC_MSG_ERROR(see the INSTALL doc for more info)
;;
esac
fi
$2="$$2 -I/usr/local/include"
LDFLAGS="$LDFLAGS -L/usr/local/lib"
case "$host_os" in
irix*)
$1="$$1 -xansi -signed -g3"
;;
osf*)
$1="$$1 -g3"
;;
ultrix*)
AC_MSG_CHECKING(that Ultrix $CC hacks const in prototypes)
AC_CACHE_VAL(ac_cv_lbl_cc_const_proto,
AC_TRY_COMPILE(
[ [struct a { int b; };
void c(const struct a *)],
ac_cv_lbl_cc_const_proto=yes,
ac_cv_lbl_cc_const_proto=no))
AC_MSG_RESULT($ac_cv_lbl_cc_const_proto)
if test $ac_cv_lbl_cc_const_proto = no ; then
AC_DEFINE(const,[],
[to handle Ultrix compilers that don't support const in prototypes])
fi
;;
esac
fi
])
AC_DEFUN(AC_LBL_SHLIBS_INIT,
[AC_PREREQ(2.50)
if test "$GCC" = yes ; then
V_SHLIB_CMD="\$(CC)"
V_SHLIB_OPT="-shared"
case "$host_os" in
aix*)
;;
freebsd*|netbsd*|openbsd*|dragonfly*|linux*|osf*)
V_CCOPT="$V_CCOPT -fpic"
V_SONAME_OPT="-Wl,-soname,"
V_RPATH_OPT="-Wl,-rpath,"
;;
hpux*)
V_CCOPT="$V_CCOPT -fpic"
V_SONAME_OPT="-Wl,+h,"
;;
solaris*)
V_CCOPT="$V_CCOPT -fpic"
V_SONAME_OPT="-Wl,-h,"
V_RPATH_OPT="-Wl,-R,"
;;
esac
else
case "$host_os" in
aix*)
V_SHLIB_CMD="\$(CC)"
V_SHLIB_OPT="-G -bnoentry -bexpall"
;;
freebsd*|netbsd*|openbsd*|dragonfly*|linux*)
V_CCOPT="$V_CCOPT -fpic"
V_SHLIB_CMD="\$(CC)"
V_SHLIB_OPT="-shared"
V_SONAME_OPT="-Wl,-soname,"
V_RPATH_OPT="-Wl,-rpath,"
;;
hpux*)
V_CCOPT="$V_CCOPT +z"
V_SHLIB_CMD="\$(LD)"
V_SHLIB_OPT="-b"
V_SONAME_OPT="+h "
;;
osf*)
V_SHLIB_CMD="\$(CC)"
V_SHLIB_OPT="-shared"
V_SONAME_OPT="-soname "
V_RPATH_OPT="-rpath "
;;
solaris*)
V_CCOPT="$V_CCOPT -Kpic"
V_SHLIB_CMD="\$(CC)"
V_SHLIB_OPT="-G"
V_SONAME_OPT="-h "
V_RPATH_OPT="-R"
;;
esac
fi
])
AC_DEFUN(AC_LBL_C_INLINE,
[AC_MSG_CHECKING(for inline)
save_CFLAGS="$CFLAGS"
CFLAGS="$V_CCOPT"
AC_CACHE_VAL(ac_cv_lbl_inline, [
ac_cv_lbl_inline=""
ac_lbl_cc_inline=no
for ac_lbl_inline in inline __inline__ __inline
do
AC_TRY_COMPILE(
[ static inline struct iltest *foo(void);
struct iltest {
int iltest1;
int iltest2;
};
static inline struct iltest *
foo()
{
static struct iltest xxx;
return &xxx;
}],,ac_lbl_cc_inline=yes,)
if test "$ac_lbl_cc_inline" = yes ; then
break;
fi
done
if test "$ac_lbl_cc_inline" = yes ; then
ac_cv_lbl_inline=$ac_lbl_inline
fi])
CFLAGS="$save_CFLAGS"
if test ! -z "$ac_cv_lbl_inline" ; then
AC_MSG_RESULT($ac_cv_lbl_inline)
else
AC_MSG_RESULT(no)
fi
AC_DEFINE_UNQUOTED(inline, $ac_cv_lbl_inline, [Define as token for inline if inlining supported])])
AC_DEFUN(AC_LBL_FIXINCLUDES,
[if test "$GCC" = yes ; then
AC_MSG_CHECKING(for ANSI ioctl definitions)
AC_CACHE_VAL(ac_cv_lbl_gcc_fixincludes,
AC_TRY_COMPILE(
[/*
* This generates a "duplicate case value" when fixincludes
* has not be run.
*/
[switch (0) {
case _IO('A', 1):;
case _IO('B', 1):;
}],
ac_cv_lbl_gcc_fixincludes=yes,
ac_cv_lbl_gcc_fixincludes=no))
AC_MSG_RESULT($ac_cv_lbl_gcc_fixincludes)
if test $ac_cv_lbl_gcc_fixincludes = no ; then
unset ac_cv_lbl_gcc_fixincludes
AC_MSG_ERROR(see the INSTALL for more info)
fi
fi])
AC_DEFUN(AC_LBL_LEX_AND_YACC,
[AC_ARG_WITH(flex, [ --without-flex don't use flex])
AC_ARG_WITH(bison, [ --without-bison don't use bison])
if test "$with_flex" = no ; then
$1=lex
else
AC_CHECK_PROGS($1, flex, lex)
fi
if test "$$1" = flex ; then
AC_MSG_CHECKING(for flex 2.4 or higher)
AC_CACHE_VAL(ac_cv_lbl_flex_v24,
if flex -V >/dev/null 2>&1; then
ac_cv_lbl_flex_v24=yes
else
ac_cv_lbl_flex_v24=no
fi)
AC_MSG_RESULT($ac_cv_lbl_flex_v24)
if test $ac_cv_lbl_flex_v24 = no ; then
s="2.4 or higher required"
AC_MSG_WARN(ignoring obsolete flex executable ($s))
$1=lex
fi
fi
if test "$with_bison" = no ; then
$2=yacc
else
AC_CHECK_PROGS($2, bison, yacc)
fi
if test "$$2" = bison ; then
$2="$$2 -y"
fi
if test "$$1" != lex -a "$$2" = yacc -o "$$1" = lex -a "$$2" != yacc ; then
AC_MSG_WARN(don't have both flex and bison; reverting to lex/yacc)
$1=lex
$2=yacc
fi
if test "$$1" = flex -a -n "$3" ; then
$1="$$1 -P$3"
$2="$$2 -p $3"
fi])
AC_DEFUN(AC_LBL_UNION_WAIT,
[AC_MSG_CHECKING(if union wait is used)
AC_CACHE_VAL(ac_cv_lbl_union_wait,
AC_TRY_COMPILE([
[int status;
u_int i = WEXITSTATUS(status);
u_int j = waitpid(0, &status, 0);],
ac_cv_lbl_union_wait=no,
ac_cv_lbl_union_wait=yes))
AC_MSG_RESULT($ac_cv_lbl_union_wait)
if test $ac_cv_lbl_union_wait = yes ; then
AC_DEFINE(DECLWAITSTATUS,union wait,[type for wait])
else
AC_DEFINE(DECLWAITSTATUS,int,[type for wait])
fi])
AC_DEFUN(AC_LBL_SOCKADDR_SA_LEN,
[AC_MSG_CHECKING(if sockaddr struct has the sa_len member)
AC_CACHE_VAL(ac_cv_lbl_sockaddr_has_sa_len,
AC_TRY_COMPILE([
[u_int i = sizeof(((struct sockaddr *)0)->sa_len)],
ac_cv_lbl_sockaddr_has_sa_len=yes,
ac_cv_lbl_sockaddr_has_sa_len=no))
AC_MSG_RESULT($ac_cv_lbl_sockaddr_has_sa_len)
if test $ac_cv_lbl_sockaddr_has_sa_len = yes ; then
AC_DEFINE(HAVE_SOCKADDR_SA_LEN,1,[if struct sockaddr has the sa_len member])
fi])
AC_DEFUN(AC_LBL_SOCKADDR_STORAGE,
[AC_MSG_CHECKING(if sockaddr_storage struct exists)
AC_CACHE_VAL(ac_cv_lbl_has_sockaddr_storage,
AC_TRY_COMPILE([
[u_int i = sizeof (struct sockaddr_storage)],
ac_cv_lbl_has_sockaddr_storage=yes,
ac_cv_lbl_has_sockaddr_storage=no))
AC_MSG_RESULT($ac_cv_lbl_has_sockaddr_storage)
if test $ac_cv_lbl_has_sockaddr_storage = yes ; then
AC_DEFINE(HAVE_SOCKADDR_STORAGE,1,[if struct sockaddr_storage exists])
fi])
AC_DEFUN(AC_LBL_HP_PPA_INFO_T_DL_MODULE_ID_1,
[AC_MSG_CHECKING(if dl_hp_ppa_info_t struct has dl_module_id_1 member)
AC_CACHE_VAL(ac_cv_lbl_dl_hp_ppa_info_t_has_dl_module_id_1,
AC_TRY_COMPILE([
[u_int i = sizeof(((dl_hp_ppa_info_t *)0)->dl_module_id_1)],
ac_cv_lbl_dl_hp_ppa_info_t_has_dl_module_id_1=yes,
ac_cv_lbl_dl_hp_ppa_info_t_has_dl_module_id_1=no))
AC_MSG_RESULT($ac_cv_lbl_dl_hp_ppa_info_t_has_dl_module_id_1)
if test $ac_cv_lbl_dl_hp_ppa_info_t_has_dl_module_id_1 = yes ; then
AC_DEFINE(HAVE_HP_PPA_INFO_T_DL_MODULE_ID_1,1,[if ppa_info_t_dl_module_id exists])
fi])
AC_DEFUN(AC_LBL_HAVE_RUN_PATH,
[AC_MSG_CHECKING(for ${CC-cc} -R)
AC_CACHE_VAL(ac_cv_lbl_have_run_path,
[echo 'main(){}' > conftest.c
${CC-cc} -o conftest conftest.c -R/a1/b2/c3 >conftest.out 2>&1
if test ! -s conftest.out ; then
ac_cv_lbl_have_run_path=yes
else
ac_cv_lbl_have_run_path=no
fi
rm -f -r conftest*])
AC_MSG_RESULT($ac_cv_lbl_have_run_path)
])
AC_DEFUN(AC_LBL_UNALIGNED_ACCESS,
[AC_MSG_CHECKING(if unaligned accesses fail)
AC_CACHE_VAL(ac_cv_lbl_unaligned_fail,
[case "$host_cpu" in
alpha*|arm*|bfin*|hp*|mips*|sh*|sparc*|ia64|nv1)
ac_cv_lbl_unaligned_fail=yes
;;
*)
cat >conftest.c <<EOF
unsigned char a[[5]] = { 1, 2, 3, 4, 5 };
main() {
unsigned int i;
pid_t pid;
int status;
/* avoid "core dumped" message */
pid = fork();
if (pid < 0)
exit(2);
if (pid > 0) {
/* parent */
pid = waitpid(pid, &status, 0);
if (pid < 0)
exit(3);
exit(!WIFEXITED(status));
}
/* child */
i = *(unsigned int *)&a[[1]];
printf("%d\n", i);
exit(0);
}
EOF
${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS \
conftest.c $LIBS >/dev/null 2>&1
if test ! -x conftest ; then
ac_cv_lbl_unaligned_fail=yes
else
./conftest >conftest.out
if test ! -s conftest.out ; then
ac_cv_lbl_unaligned_fail=yes
else
ac_cv_lbl_unaligned_fail=no
fi
fi
rm -f -r conftest* core core.conftest
;;
esac])
AC_MSG_RESULT($ac_cv_lbl_unaligned_fail)
if test $ac_cv_lbl_unaligned_fail = yes ; then
AC_DEFINE(LBL_ALIGN,1,[if unaligned access fails])
fi])
dnl
dnl If using gcc and the file .devel exists:
dnl Compile with -g (if supported) and -Wall
dnl If using gcc 2 or later, do extra prototype checking
dnl If an os prototype include exists, symlink os-proto.h to it
dnl
dnl usage:
dnl
dnl AC_LBL_DEVEL(copt)
dnl
dnl results:
dnl
dnl $1 (copt appended)
dnl HAVE_OS_PROTO_H (defined)
dnl os-proto.h (symlinked)
dnl
AC_DEFUN(AC_LBL_DEVEL,
[rm -f os-proto.h
if test "${LBL_CFLAGS+set}" = set; then
$1="$$1 ${LBL_CFLAGS}"
fi
if test -f .devel ; then
if test "$GCC" = yes ; then
if test "${LBL_CFLAGS+set}" != set; then
if test "$ac_cv_prog_cc_g" = yes ; then
$1="-g $$1"
fi
$1="$$1 -Wall"
if test $ac_cv_lbl_gcc_vers -gt 1 ; then
$1="$$1 -Wmissing-prototypes -Wstrict-prototypes"
fi
fi
else
case "$host_os" in
irix6*)
V_CCOPT="$V_CCOPT -n32"
;;
*)
;;
esac
fi
os=`echo $host_os | sed -e 's/\([[0-9]][[0-9]]*\)[[^0-9]].*$/\1/'`
name="lbl/os-$os.h"
if test -f $name ; then
ln -s $name os-proto.h
AC_DEFINE(HAVE_OS_PROTO_H, 1,
[if there's an os_proto.h for this platform, to use additional prototypes])
else
AC_MSG_WARN(can't find $name)
fi
fi])
define(AC_LBL_CHECK_LIB,
[AC_MSG_CHECKING([for $2 in -l$1])
ac_lib_var=`echo $1['_']$2['_']$5 | sed 'y%./+- %__p__%'`
AC_CACHE_VAL(ac_cv_lbl_lib_$ac_lib_var,
[ac_save_LIBS="$LIBS"
LIBS="-l$1 $5 $LIBS"
AC_TRY_LINK(ifelse([$2], [main], , [/* Override any gcc2 internal prototype to avoid an error. */
]ifelse(AC_LANG, CPLUSPLUS, [extern "C"
])[/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char $2();
]),
[$2()],
eval "ac_cv_lbl_lib_$ac_lib_var=yes",
eval "ac_cv_lbl_lib_$ac_lib_var=no")
LIBS="$ac_save_LIBS"
])if eval "test \"`echo '$ac_cv_lbl_lib_'$ac_lib_var`\" = yes"; then
AC_MSG_RESULT(yes)
ifelse([$3], ,
[changequote(, ) ac_tr_lib=HAVE_LIB`echo $1 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
changequote([, ]) AC_DEFINE_UNQUOTED($ac_tr_lib)
LIBS="-l$1 $LIBS"
], [$3])
else
AC_MSG_RESULT(no)
ifelse([$4], , , [$4
])fi
])
AC_DEFUN(AC_LBL_LIBRARY_NET, [
AC_SEARCH_LIBS(gethostbyname, nsl socket resolv)
if test "$ac_cv_search_gethostbyname" = "no"
then
AC_CHECK_LIB(socket, gethostbyname,
LIBS="-lsocket -lnsl $LIBS", , -lnsl)
fi
AC_SEARCH_LIBS(socket, socket, ,
AC_CHECK_LIB(socket, socket, LIBS="-lsocket -lnsl $LIBS", , -lnsl))
AC_SEARCH_LIBS(putmsg, str)
])
AC_DEFUN(AC_C___ATTRIBUTE__, [
AC_MSG_CHECKING(for __attribute__)
AC_CACHE_VAL(ac_cv___attribute__, [
AC_COMPILE_IFELSE(
AC_LANG_SOURCE([[
static void foo(void) __attribute__ ((noreturn));
static void
foo(void)
{
exit(1);
}
int
main(int argc, char **argv)
{
foo();
}
]]),
ac_cv___attribute__=yes,
ac_cv___attribute__=no)])
if test "$ac_cv___attribute__" = "yes"; then
AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__])
V_DEFS="$V_DEFS -D_U_=\"__attribute__((unused))\""
else
V_DEFS="$V_DEFS -D_U_=\"\""
fi
AC_MSG_RESULT($ac_cv___attribute__)
])
AC_DEFUN(AC_LBL_TPACKET_STATS,
[AC_MSG_CHECKING(if if_packet.h has tpacket_stats defined)
AC_CACHE_VAL(ac_cv_lbl_tpacket_stats,
AC_TRY_COMPILE([
[struct tpacket_stats stats],
ac_cv_lbl_tpacket_stats=yes,
ac_cv_lbl_tpacket_stats=no))
AC_MSG_RESULT($ac_cv_lbl_tpacket_stats)
if test $ac_cv_lbl_tpacket_stats = yes; then
AC_DEFINE(HAVE_TPACKET_STATS,1,[if if_packet.h has tpacket_stats defined])
fi])
AC_DEFUN(AC_LBL_LINUX_TPACKET_AUXDATA_TP_VLAN_TCI,
[AC_MSG_CHECKING(if tpacket_auxdata struct has tp_vlan_tci member)
AC_CACHE_VAL(ac_cv_lbl_dl_hp_ppa_info_t_has_dl_module_id_1,
AC_TRY_COMPILE([
[u_int i = sizeof(((struct tpacket_auxdata *)0)->tp_vlan_tci)],
ac_cv_lbl_linux_tpacket_auxdata_tp_vlan_tci=yes,
ac_cv_lbl_linux_tpacket_auxdata_tp_vlan_tci=no))
AC_MSG_RESULT($ac_cv_lbl_linux_tpacket_auxdata_tp_vlan_tci)
if test $ac_cv_lbl_linux_tpacket_auxdata_tp_vlan_tci = yes ; then
HAVE_LINUX_TPACKET_AUXDATA=tp_vlan_tci
AC_SUBST(HAVE_LINUX_TPACKET_AUXDATA)
AC_DEFINE(HAVE_LINUX_TPACKET_AUXDATA_TP_VLAN_TCI,1,[if tp_vlan_tci exists])
fi])
AC_DEFUN(AC_LBL_DL_PASSIVE_REQ_T,
[AC_MSG_CHECKING(if dl_passive_req_t struct exists)
AC_CACHE_VAL(ac_cv_lbl_has_dl_passive_req_t,
AC_TRY_COMPILE([
[u_int i = sizeof(dl_passive_req_t)],
ac_cv_lbl_has_dl_passive_req_t=yes,
ac_cv_lbl_has_dl_passive_req_t=no))
AC_MSG_RESULT($ac_cv_lbl_has_dl_passive_req_t)
if test $ac_cv_lbl_has_dl_passive_req_t = yes ; then
AC_DEFINE(HAVE_DLPI_PASSIVE,1,[if passive_req_t primitive
exists])
fi])