|
|
AC_INIT([OpenNTPD], m4_esyscmd([tr -d '\n' < VERSION]))
|
|
|
|
|
|
AC_CANONICAL_HOST
|
|
|
AM_INIT_AUTOMAKE([subdir-objects])
|
|
|
AC_CONFIG_MACRO_DIR([m4])
|
|
|
|
|
|
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
|
|
|
|
|
|
AC_SUBST([USER_CFLAGS], "$CFLAGS")
|
|
|
CFLAGS="$CFLAGS -Wall -std=gnu99 -g"
|
|
|
|
|
|
case $host_os in
|
|
|
*darwin*)
|
|
|
HOST_OS=darwin
|
|
|
AC_DEFINE(SETEUID_BREAKS_SETUID,[],[setuid after seteuid does not work])
|
|
|
AC_DEFINE(BROKEN_SETREUID,[], [Broken setreuid])
|
|
|
AC_DEFINE(BROKEN_SETREGID,[], [Broken setregid])
|
|
|
AC_DEFINE(YYSTYPE_IS_DECLARED,[], [Broken bison])
|
|
|
;;
|
|
|
*freebsd*)
|
|
|
HOST_OS=freebsd
|
|
|
AC_SUBST([PROG_LDADD], ['-lthr'])
|
|
|
;;
|
|
|
*linux*)
|
|
|
HOST_OS=linux
|
|
|
CFLAGS="$CFLAGS -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_SOURCE -D_GNU_SOURCE"
|
|
|
;;
|
|
|
*openbsd*)
|
|
|
AC_DEFINE([HAVE_ATTRIBUTE__BOUNDED__], [1], [OpenBSD has __bounded__])
|
|
|
AC_DEFINE([HAVE_ATTRIBUTE__DEAD], [1], [OpenBSD has __dead])
|
|
|
;;
|
|
|
*solaris*)
|
|
|
HOST_OS=solaris
|
|
|
CFLAGS="$CFLAGS -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 -DBSD_COMP"
|
|
|
AC_SUBST([PLATFORM_LDADD], ['-lnsl -lsocket'])
|
|
|
;;
|
|
|
*) ;;
|
|
|
esac
|
|
|
|
|
|
AM_CONDITIONAL([HOST_DARWIN], [test x$HOST_OS = xdarwin])
|
|
|
AM_CONDITIONAL([HOST_FREEBSD], [test x$HOST_OS = xfreebsd])
|
|
|
AM_CONDITIONAL([HOST_LINUX], [test x$HOST_OS = xlinux])
|
|
|
AM_CONDITIONAL([HOST_SOLARIS], [test x$HOST_OS = xsolaris])
|
|
|
|
|
|
AC_CHECK_FUNC([dl_iterate_phdr],,
|
|
|
[AC_SEARCH_LIBS([dl_iterate_phdr],[dl])])
|
|
|
|
|
|
AC_PROG_CC
|
|
|
AC_PROG_CC_STDC
|
|
|
AM_PROG_CC_C_O
|
|
|
AC_PROG_LIBTOOL
|
|
|
AC_PROG_YACC
|
|
|
|
|
|
save_cflags="$CFLAGS"
|
|
|
CFLAGS=-Wno-pointer-sign
|
|
|
AC_MSG_CHECKING([whether CC supports -Wno-pointer-sign])
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
|
|
|
[AC_MSG_RESULT([yes])]
|
|
|
[AM_CFLAGS=-Wno-pointer-sign],
|
|
|
[AC_MSG_RESULT([no])]
|
|
|
)
|
|
|
CFLAGS="$save_cflags $AM_CFLAGS"
|
|
|
|
|
|
AC_MSG_CHECKING([if compiling with clang])
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[
|
|
|
#ifndef __clang__
|
|
|
not clang
|
|
|
#endif
|
|
|
]])],
|
|
|
[AC_MSG_RESULT([yes])]
|
|
|
[CLANG_FLAGS=-Qunused-arguments],
|
|
|
[AC_MSG_RESULT([no])]
|
|
|
)
|
|
|
CFLAGS="$CFLAGS $CLANG_CFLAGS"
|
|
|
LDFLAGS="$LDFLAGS $CLANG_FLAGS"
|
|
|
|
|
|
# check functions that are expected to be in libc
|
|
|
AC_CHECK_FUNCS([adjfreq ntp_adjtime adjtimex])
|
|
|
AC_CHECK_FUNCS([arc4random_uniform asprintf explicit_bzero])
|
|
|
AC_CHECK_FUNCS([getentropy memmem poll reallocarray])
|
|
|
AC_CHECK_FUNCS([setproctitle setgroups])
|
|
|
AC_CHECK_FUNCS([setregid setresgid setreuid setresuid])
|
|
|
AC_CHECK_FUNCS([strlcat strlcpy strtonum])
|
|
|
|
|
|
# check auxiliary libraries that might contain other functions
|
|
|
AC_SEARCH_LIBS([arc4random], [crypto])
|
|
|
AC_SEARCH_LIBS([clock_getres],[rt posix4])
|
|
|
AC_SEARCH_LIBS([clock_gettime],[rt posix4])
|
|
|
AC_SEARCH_LIBS([ibuf_open], [util])
|
|
|
AC_SEARCH_LIBS([MD5Init], [md md5])
|
|
|
AC_SEARCH_LIBS([SHA512Init], [md])
|
|
|
|
|
|
AC_CHECK_FUNCS([arc4random ibuf_open MD5Init SHA512Init])
|
|
|
AC_CHECK_FUNCS([clock_gettime clock_getres])
|
|
|
|
|
|
# Share test results with automake
|
|
|
AM_CONDITIONAL([HAVE_ADJFREQ], [test "x$ac_cv_func_adjfreq" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_ARC4RANDOM], [test "x$ac_cv_func_arc4random" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_ARC4RANDOM_UNIFORM], [test "x$ac_cv_func_arc4random_uniform" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_ASPRINTF], [test "x$ac_cv_func_asprintf" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_CLOCK_GETRES], [test "x$ac_cv_func_clock_getres" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_CLOCK_GETTIME], [test "x$ac_cv_func_clock_gettime" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_EXPLICIT_BZERO], [test "x$ac_cv_func_explicit_bzero" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_GETENTROPY], [test "x$ac_cv_func_getentropy" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_IMSG], [test "x$ac_cv_func_ibuf_open" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_MD5], [test "x$ac_cv_func_MD5Init" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_MEMMEM], [test "x$ac_cv_func_memmem" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_POLL], [test "x$ac_cv_func_poll" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_REALLOCARRAY], [test "x$ac_cv_func_reallocarray" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_SETGROUPS], [test "x$ac_cv_func_setgroups" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_SETRESGID], [test "x$ac_cv_func_setresgid" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_SETRESUID], [test "x$ac_cv_func_setresuid" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_SETPROCTITLE], [test "x$ac_cv_func_setproctitle" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_SHA512], [test "x$ac_cv_func_SHA512Init" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_STRLCAT], [test "x$ac_cv_func_strlcat" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_STRLCPY], [test "x$ac_cv_func_strlcpy" = xyes])
|
|
|
AM_CONDITIONAL([HAVE_STRTONUM], [test "x$ac_cv_func_strtonum" = xyes])
|
|
|
|
|
|
# overrides for arc4random_buf implementations with known issues
|
|
|
AM_CONDITIONAL([HAVE_ARC4RANDOM],
|
|
|
[test "x$HOST_OS" != xdarwin -a "x$HOST_OS" != xfreebsd -a "x$ac_cv_func_arc4random" = xyes])
|
|
|
|
|
|
AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
|
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
|
#include <stdarg.h>
|
|
|
va_list x,y;
|
|
|
]], [[ va_copy(x,y); ]])],
|
|
|
[ ac_cv_have_va_copy="yes" ],
|
|
|
[ ac_cv_have_va_copy="no"
|
|
|
])
|
|
|
])
|
|
|
if test "x$ac_cv_have_va_copy" = "xyes" ; then
|
|
|
AC_DEFINE([HAVE_VA_COPY], [1], [Define if va_copy exists])
|
|
|
fi
|
|
|
|
|
|
AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
|
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
|
#include <stdarg.h>
|
|
|
va_list x,y;
|
|
|
]], [[ __va_copy(x,y); ]])],
|
|
|
[ ac_cv_have___va_copy="yes" ], [ ac_cv_have___va_copy="no"
|
|
|
])
|
|
|
])
|
|
|
if test "x$ac_cv_have___va_copy" = "xyes" ; then
|
|
|
AC_DEFINE([HAVE___VA_COPY], [1], [Define if __va_copy exists])
|
|
|
fi
|
|
|
|
|
|
AC_CHECK_HEADERS([sys/timex.h md5.h sha2.h])
|
|
|
AC_CHECK_HEADERS([sys/sensors.h],
|
|
|
AM_CONDITIONAL(HAVE_SENSORS, true),
|
|
|
AM_CONDITIONAL(HAVE_SENSORS, false)
|
|
|
)
|
|
|
|
|
|
AC_CONFIG_FILES([
|
|
|
Makefile
|
|
|
include/Makefile
|
|
|
])
|
|
|
|
|
|
AC_OUTPUT
|