409 lines
11 KiB
Plaintext
409 lines
11 KiB
Plaintext
dnl Local m4 macros for autoconf (used by sudo)
|
|
dnl
|
|
dnl Copyright (c) 1994-1996, 1998-2005, 2007-2013
|
|
dnl Todd C. Miller <Todd.Miller@courtesan.com>
|
|
dnl
|
|
dnl XXX - should cache values in all cases!!!
|
|
dnl
|
|
dnl checks for programs
|
|
|
|
dnl
|
|
dnl check for sendmail in well-known locations
|
|
dnl
|
|
AC_DEFUN([SUDO_PROG_SENDMAIL], [AC_MSG_CHECKING([for sendmail])
|
|
found=no
|
|
for p in "/usr/sbin/sendmail" "/usr/lib/sendmail" "/usr/etc/sendmail" "/usr/ucblib/sendmail" "/usr/local/lib/sendmail" "/usr/local/bin/sendmail"; do
|
|
if test -f "$p"; then
|
|
found=yes
|
|
AC_MSG_RESULT([$p])
|
|
SUDO_DEFINE_UNQUOTED(_PATH_SUDO_SENDMAIL, "$p")
|
|
break
|
|
fi
|
|
done
|
|
if test X"$found" != X"yes"; then
|
|
AC_MSG_RESULT([not found])
|
|
fi
|
|
])dnl
|
|
|
|
dnl
|
|
dnl check for vi in well-known locations
|
|
dnl
|
|
AC_DEFUN([SUDO_PROG_VI], [AC_MSG_CHECKING([for vi])
|
|
found=no
|
|
for editor in "/usr/bin/vi" "/bin/vi" "/usr/ucb/vi" "/usr/bsd/vi" "/usr/local/bin/vi"; do
|
|
if test -f "$editor"; then
|
|
found=yes
|
|
AC_MSG_RESULT([$editor])
|
|
SUDO_DEFINE_UNQUOTED(_PATH_VI, "$editor")
|
|
break
|
|
fi
|
|
done
|
|
if test X"$found" != X"yes"; then
|
|
AC_MSG_RESULT([not found])
|
|
fi
|
|
])dnl
|
|
|
|
dnl
|
|
dnl check for mv in well-known locations
|
|
dnl
|
|
AC_DEFUN([SUDO_PROG_MV], [AC_MSG_CHECKING([for mv])
|
|
found=no
|
|
for p in "/usr/bin/mv" "/bin/mv" "/usr/ucb/mv" "/usr/sbin/mv"; do
|
|
if test -f "$p"; then
|
|
found=yes
|
|
AC_MSG_RESULT([$p])
|
|
SUDO_DEFINE_UNQUOTED(_PATH_MV, "$p")
|
|
break
|
|
fi
|
|
done
|
|
if test X"$found" != X"yes"; then
|
|
AC_MSG_RESULT([not found])
|
|
fi
|
|
])dnl
|
|
|
|
dnl
|
|
dnl check for bourne shell in well-known locations
|
|
dnl
|
|
AC_DEFUN([SUDO_PROG_BSHELL], [AC_MSG_CHECKING([for bourne shell])
|
|
found=no
|
|
for p in "/bin/sh" "/usr/bin/sh" "/sbin/sh" "/usr/sbin/sh" "/bin/ksh" "/usr/bin/ksh" "/bin/bash" "/usr/bin/bash"; do
|
|
if test -f "$p"; then
|
|
found=yes
|
|
AC_MSG_RESULT([$p])
|
|
SUDO_DEFINE_UNQUOTED(_PATH_BSHELL, "$p")
|
|
break
|
|
fi
|
|
done
|
|
if test X"$found" != X"yes"; then
|
|
AC_MSG_RESULT([not found])
|
|
fi
|
|
])dnl
|
|
|
|
dnl
|
|
dnl check for utmp file
|
|
dnl
|
|
AC_DEFUN([SUDO_PATH_UTMP], [AC_MSG_CHECKING([for utmp file path])
|
|
found=no
|
|
for p in "/var/run/utmp" "/var/adm/utmp" "/etc/utmp"; do
|
|
if test -r "$p"; then
|
|
found=yes
|
|
AC_MSG_RESULT([$p])
|
|
SUDO_DEFINE_UNQUOTED(_PATH_UTMP, "$p")
|
|
break
|
|
fi
|
|
done
|
|
if test X"$found" != X"yes"; then
|
|
AC_MSG_RESULT([not found])
|
|
fi
|
|
])dnl
|
|
|
|
dnl
|
|
dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
|
|
dnl
|
|
AC_DEFUN([SUDO_LOGFILE], [AC_MSG_CHECKING(for log file location)
|
|
if test -n "$with_logpath"; then
|
|
AC_MSG_RESULT($with_logpath)
|
|
SUDO_DEFINE_UNQUOTED(_PATH_SUDO_LOGFILE, "$with_logpath")
|
|
elif test -d "/var/log"; then
|
|
AC_MSG_RESULT(/var/log/sudo.log)
|
|
SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/log/sudo.log")
|
|
elif test -d "/var/adm"; then
|
|
AC_MSG_RESULT(/var/adm/sudo.log)
|
|
SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/var/adm/sudo.log")
|
|
elif test -d "/usr/adm"; then
|
|
AC_MSG_RESULT(/usr/adm/sudo.log)
|
|
SUDO_DEFINE(_PATH_SUDO_LOGFILE, "/usr/adm/sudo.log")
|
|
else
|
|
AC_MSG_RESULT(unknown, you will have to set _PATH_SUDO_LOGFILE by hand)
|
|
fi
|
|
])dnl
|
|
|
|
dnl
|
|
dnl Where the timestamp files go.
|
|
dnl
|
|
AC_DEFUN([SUDO_TIMEDIR], [AC_MSG_CHECKING(for timestamp file location)
|
|
timedir="$with_timedir"
|
|
if test -z "$timedir"; then
|
|
for d in /var/db /var/lib /var/adm /usr/adm; do
|
|
if test -d "$d"; then
|
|
timedir="$d/sudo"
|
|
break
|
|
fi
|
|
done
|
|
fi
|
|
AC_MSG_RESULT([$timedir])
|
|
SUDO_DEFINE_UNQUOTED(_PATH_SUDO_TIMEDIR, "$timedir")
|
|
])dnl
|
|
|
|
dnl
|
|
dnl Where the I/O log files go, use /var/log/sudo-io if
|
|
dnl /var/log exists, else /{var,usr}/adm/sudo-io
|
|
dnl
|
|
AC_DEFUN([SUDO_IO_LOGDIR], [
|
|
AC_MSG_CHECKING(for I/O log dir location)
|
|
if test "${with_iologdir-yes}" != "yes"; then
|
|
iolog_dir="$with_iologdir"
|
|
elif test -d "/var/log"; then
|
|
iolog_dir="/var/log/sudo-io"
|
|
elif test -d "/var/adm"; then
|
|
iolog_dir="/var/adm/sudo-io"
|
|
else
|
|
iolog_dir="/usr/adm/sudo-io"
|
|
fi
|
|
if test "${with_iologdir}" != "no"; then
|
|
SUDO_DEFINE_UNQUOTED(_PATH_SUDO_IO_LOGDIR, "$iolog_dir")
|
|
fi
|
|
AC_MSG_RESULT($iolog_dir)
|
|
])dnl
|
|
|
|
dnl
|
|
dnl check for working fnmatch(3)
|
|
dnl
|
|
AC_DEFUN([SUDO_FUNC_FNMATCH],
|
|
[AC_MSG_CHECKING([for working fnmatch with FNM_CASEFOLD])
|
|
AC_CACHE_VAL(sudo_cv_func_fnmatch,
|
|
[rm -f conftestdata; > conftestdata
|
|
AC_TRY_RUN([#include <fnmatch.h>
|
|
main() { exit(fnmatch("/*/bin/echo *", "/usr/bin/echo just a test", FNM_CASEFOLD)); }], [sudo_cv_func_fnmatch=yes], [sudo_cv_func_fnmatch=no],
|
|
[sudo_cv_func_fnmatch=no])
|
|
rm -f core core.* *.core])
|
|
AC_MSG_RESULT($sudo_cv_func_fnmatch)
|
|
AS_IF([test $sudo_cv_func_fnmatch = yes], [$1], [$2])])
|
|
|
|
dnl
|
|
dnl Attempt to check for working PIE support.
|
|
dnl This is a bit of a hack but on Solaris 10 with GNU ld and GNU as
|
|
dnl we can end up with strange values from malloc().
|
|
dnl A better check would be to verify that ASLR works with PIE.
|
|
dnl
|
|
AC_DEFUN([SUDO_WORKING_PIE],
|
|
[AC_MSG_CHECKING([for working PIE support])
|
|
AC_CACHE_VAL(sudo_cv_working_pie,
|
|
[rm -f conftestdata; > conftestdata
|
|
AC_TRY_RUN(AC_INCLUDES_DEFAULT([])
|
|
[main() { char *p = malloc(1024); if (p == NULL) return 1; memset(p, 0, 1024); return 0; }], [sudo_cv_working_pie=yes], [sudo_cv_working_pie=no],
|
|
[sudo_cv_working_pie=no])
|
|
rm -f core core.* *.core])
|
|
AC_MSG_RESULT($sudo_cv_working_pie)
|
|
AS_IF([test $sudo_cv_working_pie = yes], [$1], [$2])])
|
|
|
|
dnl
|
|
dnl check for isblank(3)
|
|
dnl
|
|
AC_DEFUN([SUDO_FUNC_ISBLANK],
|
|
[AC_CACHE_CHECK([for isblank], [sudo_cv_func_isblank],
|
|
[AC_TRY_LINK([#include <ctype.h>], [return (isblank('a'));],
|
|
sudo_cv_func_isblank=yes, sudo_cv_func_isblank=no)])
|
|
] [
|
|
if test "$sudo_cv_func_isblank" = "yes"; then
|
|
AC_DEFINE(HAVE_ISBLANK, 1, [Define if you have isblank(3).])
|
|
else
|
|
AC_LIBOBJ(isblank)
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN([SUDO_CHECK_LIB], [
|
|
_sudo_check_lib_extras=`echo "$5"|sed -e 's/[ ]*//g' -e 's/-l/_/g'`
|
|
AC_MSG_CHECKING([for $2 in -l$1${5+ }$5])
|
|
AC_CACHE_VAL([sudo_cv_lib_$1''_$2$_sudo_check_lib_extras], [
|
|
SUDO_CHECK_LIB_OLIBS="$LIBS"
|
|
LIBS="$LIBS -l$1${5+ }$5"
|
|
AC_LINK_IFELSE(
|
|
[AC_LANG_CALL([], [$2])],
|
|
[eval sudo_cv_lib_$1''_$2$_sudo_check_lib_extras=yes],
|
|
[eval sudo_cv_lib_$1''_$2$_sudo_check_lib_extras=no]
|
|
)
|
|
LIBS="$SUDO_CHECK_LIB_OLIBS"
|
|
])
|
|
if eval test \$sudo_cv_lib_$1''_$2$_sudo_check_lib_extras = "yes"; then
|
|
AC_MSG_RESULT([yes])
|
|
$3
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
$4
|
|
fi
|
|
])
|
|
|
|
dnl
|
|
dnl check unsetenv() return value
|
|
dnl
|
|
AC_DEFUN([SUDO_FUNC_UNSETENV_VOID],
|
|
[AC_CACHE_CHECK([whether unsetenv returns void], [sudo_cv_func_unsetenv_void],
|
|
[AC_RUN_IFELSE([AC_LANG_PROGRAM(
|
|
[AC_INCLUDES_DEFAULT
|
|
int unsetenv();
|
|
], [
|
|
[return unsetenv("FOO") != 0;]
|
|
])
|
|
],
|
|
[sudo_cv_func_unsetenv_void=no],
|
|
[sudo_cv_func_unsetenv_void=yes],
|
|
[sudo_cv_func_unsetenv_void=no])])
|
|
if test $sudo_cv_func_unsetenv_void = yes; then
|
|
AC_DEFINE(UNSETENV_VOID, 1,
|
|
[Define to 1 if the `unsetenv' function returns void instead of `int'.])
|
|
fi
|
|
])
|
|
|
|
dnl
|
|
dnl check putenv() argument for const
|
|
dnl
|
|
AC_DEFUN([SUDO_FUNC_PUTENV_CONST],
|
|
[AC_CACHE_CHECK([whether putenv takes a const argument],
|
|
sudo_cv_func_putenv_const,
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
|
|
int putenv(const char *string) {return 0;}], [])],
|
|
[sudo_cv_func_putenv_const=yes],
|
|
[sudo_cv_func_putenv_const=no])
|
|
])
|
|
if test $sudo_cv_func_putenv_const = yes; then
|
|
AC_DEFINE(PUTENV_CONST, const, [Define to const if the `putenv' takes a const argument.])
|
|
else
|
|
AC_DEFINE(PUTENV_CONST, [])
|
|
fi
|
|
])
|
|
|
|
dnl
|
|
dnl check for sa_len field in struct sockaddr
|
|
dnl
|
|
AC_DEFUN([SUDO_SOCK_SA_LEN], [
|
|
AC_CHECK_MEMBER([struct sockaddr.sa_len],
|
|
[AC_DEFINE(HAVE_STRUCT_SOCKADDR_SA_LEN, 1, [Define if your struct sockadr has an sa_len field.])],
|
|
[],
|
|
[ #include <sys/types.h>
|
|
#include <sys/socket.h>]
|
|
)]
|
|
)
|
|
dnl
|
|
dnl check for max length of uid_t in string representation.
|
|
dnl we can't really trust UID_MAX or MAXUID since they may exist
|
|
dnl only for backwards compatibility.
|
|
dnl
|
|
AC_DEFUN([SUDO_UID_T_LEN],
|
|
[AC_REQUIRE([AC_TYPE_UID_T])
|
|
AC_MSG_CHECKING(max length of uid_t)
|
|
AC_CACHE_VAL(sudo_cv_uid_t_len,
|
|
[rm -f conftestdata
|
|
AC_TRY_RUN(
|
|
[#include <stdio.h>
|
|
#include <pwd.h>
|
|
#include <limits.h>
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
main() {
|
|
FILE *f;
|
|
char b[1024];
|
|
uid_t u = (uid_t) -1;
|
|
|
|
if ((f = fopen("conftestdata", "w")) == NULL)
|
|
exit(1);
|
|
|
|
(void) sprintf(b, "%lu", (unsigned long) u);
|
|
(void) fprintf(f, "%d\n", strlen(b));
|
|
(void) fclose(f);
|
|
exit(0);
|
|
}], sudo_cv_uid_t_len=`cat conftestdata`, sudo_cv_uid_t_len=10, sudo_cv_uid_t_len=10)
|
|
])
|
|
rm -f conftestdata
|
|
AC_MSG_RESULT($sudo_cv_uid_t_len)
|
|
AC_DEFINE_UNQUOTED(MAX_UID_T_LEN, $sudo_cv_uid_t_len, [Define to the max length of a uid_t in string context (excluding the NUL).])
|
|
])
|
|
|
|
dnl
|
|
dnl Append a libpath to an LDFLAGS style variable if not already present.
|
|
dnl Also appends to the _R version unless rpath is disabled.
|
|
dnl
|
|
AC_DEFUN([SUDO_APPEND_LIBPATH], [
|
|
case "${$1}" in
|
|
*"-L$2"|*"-L$2 ")
|
|
;;
|
|
*)
|
|
$1="${$1} -L$2"
|
|
if test X"$enable_rpath" = X"yes"; then
|
|
$1_R="${$1_R} -R$2"
|
|
fi
|
|
;;
|
|
esac
|
|
])
|
|
|
|
dnl
|
|
dnl Append a directory to CPPFLAGS if not already present.
|
|
dnl
|
|
AC_DEFUN([SUDO_APPEND_CPPFLAGS], [
|
|
case "${CPPFLAGS}" in
|
|
*"$1"|*"$1 ")
|
|
;;
|
|
*)
|
|
if test X"${CPPFLAGS}" = X""; then
|
|
CPPFLAGS="$1"
|
|
else
|
|
CPPFLAGS="${CPPFLAGS} $1"
|
|
fi
|
|
;;
|
|
esac
|
|
])
|
|
|
|
dnl
|
|
dnl Determine the mail spool location
|
|
dnl NOTE: must be run *after* check for paths.h
|
|
dnl
|
|
AC_DEFUN([SUDO_MAILDIR], [
|
|
maildir=no
|
|
if test X"$ac_cv_header_paths_h" = X"yes"; then
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
|
|
#include <paths.h>],
|
|
[char *p = _PATH_MAILDIR;])], [maildir=yes], [])
|
|
fi
|
|
if test $maildir = no; then
|
|
# Solaris has maillock.h which defines MAILDIR
|
|
AC_CHECK_HEADERS(maillock.h, [
|
|
SUDO_DEFINE(_PATH_MAILDIR, MAILDIR)
|
|
maildir=yes
|
|
])
|
|
if test $maildir = no; then
|
|
for d in /var/mail /var/spool/mail /usr/spool/mail; do
|
|
if test -d "$d"; then
|
|
maildir=yes
|
|
SUDO_DEFINE_UNQUOTED(_PATH_MAILDIR, "$d")
|
|
break
|
|
fi
|
|
done
|
|
if test $maildir = no; then
|
|
# unable to find mail dir, hope for the best
|
|
SUDO_DEFINE_UNQUOTED(_PATH_MAILDIR, "/var/mail")
|
|
fi
|
|
fi
|
|
fi
|
|
])
|
|
|
|
dnl
|
|
dnl private versions of AC_DEFINE and AC_DEFINE_UNQUOTED that don't support
|
|
dnl tracing that we use to define paths for pathnames.h so autoheader doesn't
|
|
dnl put them in config.h.in. An awful hack.
|
|
dnl
|
|
m4_define([SUDO_DEFINE],
|
|
[cat >>confdefs.h <<\EOF
|
|
[@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
|
|
EOF
|
|
])
|
|
|
|
m4_define([SUDO_DEFINE_UNQUOTED],
|
|
[cat >>confdefs.h <<EOF
|
|
[@%:@define] $1 m4_if($#, 2, [$2], $#, 3, [$2], 1)
|
|
EOF
|
|
])
|
|
|
|
dnl
|
|
dnl Pull in libtool macros
|
|
dnl
|
|
m4_include([m4/libtool.m4])
|
|
m4_include([m4/ltoptions.m4])
|
|
m4_include([m4/ltsugar.m4])
|
|
m4_include([m4/ltversion.m4])
|
|
m4_include([m4/lt~obsolete.m4])
|
|
dnl
|
|
dnl Pull in other non-standard macros
|
|
dnl
|
|
m4_include([m4/ax_check_compile_flag.m4])
|
|
m4_include([m4/ax_check_link_flag.m4])
|