# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. AC_PREREQ([2.69]) # For released versions, this is in x.y.z format. # For GIT versions, this is x.y.z-git, where x.y.z denotes the next development # version that is worked on and that is to be released. AC_INIT(kea,2.3.5-git, kea-dev@lists.isc.org) AC_CONFIG_SRCDIR(README) # serial-tests is not available in automake version before 1.13, so # we'll check that and conditionally use serial-tests. This check is # adopted from code by Richard W.M. Jones: # https://www.redhat.com/archives/libguestfs/2013-February/msg00102.html m4_define([serial_tests], [ m4_esyscmd([automake --version | head -1 | awk '{split ($NF,a,"."); if (a[1] == 1 && a[2] >= 12) { print "serial-tests" }}' ]) ]) AM_INIT_AUTOMAKE(foreign serial_tests) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])dnl be backward compatible AC_CONFIG_HEADERS([config.h]) AC_CONFIG_MACRO_DIR([m4macros]) AC_CANONICAL_HOST AC_CANONICAL_BUILD # Check for compilers. AC_PROG_CXX # Check for preprocessors. AC_PROG_CXXCPP # Check for exact Kea version. AC_MSG_CHECKING(whether this is a tarball or git source) if test -d "${srcdir}/.git"; then KEA_SRCID="git `(cd "${top_srcdir}";git rev-parse HEAD)`" AC_MSG_RESULT("git") else KEA_SRCID="tarball" AC_MSG_RESULT("tarball") fi # Export KEA_SRCID to config.h # This will be either "tarball" or "git abcd". # We do not want to put this in a config.h, because it messes up ccache # horribly. When building different branches, the commit-id is different # and since the config.h is included in most files *and* has a different # content, ccache can't use cached content and thus has to do full compilation. # Now it is in kea_version.h and config.status substitutes it. AC_SUBST(KEA_SRCID) # Check whether the version is a development one (odd minor). AC_MSG_CHECKING(whether this is a development or stable version) PACKAGE_VERSION_MINOR=`echo $PACKAGE_VERSION | cut -d '.' -f 2` PACKAGE_VERSION_TYPE="stable" if expr "$PACKAGE_VERSION_MINOR" % 2 = 1; then PACKAGE_VERSION_TYPE="development" fi # Export PACKAGE_VERSION_TYPE to kea_version.h AC_SUBST(PACKAGE_VERSION_TYPE) # Find a separator for path_replacer for sep in "+" "," ";" "&" "__NONE__"; do if `pwd | grep -q $sep`; then continue; fi if `echo ${prefix} | grep -q $sep`; then continue; fi if `echo ${sysconfdir} | grep -q $sep`; then continue; fi if `echo ${localstatedir} | grep -q $sep`; then continue; fi SEP=$sep break done if test "$sep" = "__NONE__"; then AC_MSG_ERROR([can't find a separator character in '+,;&' for the path_replacer shell script]) fi AC_SUBST(SEP) # pkg-config can be required. AC_PATH_PROG([PKG_CONFIG], [pkg-config]) # check against BusyBox ps not supporting ps -p. ps -p 1234 2>&1 > /dev/null | grep 'unrecognized option: p' if test $? -eq 0; then AC_MSG_WARN("ps does not support -p. It is likely the BusyBox ps: please install a full ps like procps") fi # Enable low-performing debugging facilities? This option optionally # enables some debugging aids that perform slowly and hence aren't built # by default. AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], [enable debugging (default is no)])], [case "${enableval}" in yes) debug_enabled=yes ;; no) debug_enabled=no ;; *) AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;; esac],[debug_enabled=no]) AM_CONDITIONAL([DEBUG_ENABLED], [test x$debug_enabled = xyes]) AM_COND_IF([DEBUG_ENABLED], [AC_DEFINE([ENABLE_DEBUG], [1], [Enable low-performing debugging facilities?])]) # Include premium configuration INCLUDED_HOOKS= PREMIUM_DIR= DISTCHECK_PREMIUM_CONFIGURE_FLAG= AC_DEFUN([AX_PREMIUM],[]) # m4_sinclude includes the file if it exists at autoreconf time m4_sinclude(premium/config.m4) AC_SUBST(PREMIUM_DIR) AC_SUBST(DISTCHECK_PREMIUM_CONFIGURE_FLAG) AX_PREMIUM # Include contrib configuration # (currently only a provision copied from premium support) CONTRIB_DIR= DISTCHECK_CONTRIB_CONFIGURE_FLAG= AC_DEFUN([AX_CONTRIB],[]) m4_sinclude(contrib/config.m4) AC_SUBST(CONTRIB_DIR) AC_SUBST(DISTCHECK_CONTRIB_CONFIGURE_FLAG) AX_CONTRIB # Libtool configuration # # libtool cannot handle spaces in paths, so exit early if there is one if [ test `echo $PWD | grep -c ' '` != "0" ]; then AC_MSG_ERROR([Kea cannot be built in a directory that contains spaces, because of libtool limitations. Please change the directory name, or use a symbolic link that does not contain spaces.]) fi # On FreeBSD (and probably some others), clang++ does not meet an autoconf # assumption in identifying libtool configuration regarding shared library: # the configure script will execute "$CC -shared $CFLAGS/$CXXFLAGS -v" and # expect the output contains -Lxxx or -Ryyy. This is the case for g++, but # not for clang++, and, as a result, it will cause various errors in linking # programs or running them with a shared object (such as some of our python # scripts). # To work around this problem we define a temporary variable # "CXX_LIBTOOL_LDFLAGS". It's expected to be defined as, e.g, "-L/usr/lib" # to temporarily fake the output so that it will be compatible with that of # g++. CFLAGS_SAVED=$CFLAGS CXXFLAGS_SAVED=$CXXFLAGS CFLAGS="$CFLAGS $CXX_LIBTOOL_LDFLAGS" CXXFLAGS="$CXXFLAGS $CXX_LIBTOOL_LDFLAGS" LT_INIT CFLAGS=$CFLAGS_SAVED CXXFLAGS=$CXXFLAGS_SAVED # Use C++ language AC_LANG([C++]) # Identify the compiler: this check must be after AC_PROG_CXX and AC_LANG. AM_CONDITIONAL(USE_GXX, test "X${GXX}" = "Xyes") AC_CHECK_DECL([__SUNPRO_CC], [SUNCXX="yes"], [SUNCXX="no"]) AC_CHECK_DECL([__clang__], [CLANGPP="yes"], [CLANGPP="no"]) # USE_CLANGPP is no longer used, keep it by symmetry with USE_GXX? AM_CONDITIONAL(USE_CLANGPP, test "X${CLANGPP}" = "Xyes") # Check for C++11 features support AX_ISC_CPP11 # Check for C++20 compiler support. AX_ISC_CPP20 # Check for std::is_base_of support AC_MSG_CHECKING([for std::is_base_of]) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [#include class A {}; class B : A {};] [static_assert(std::is_base_of::value, "");])], [AC_MSG_RESULT(yes) AC_DEFINE([HAVE_IS_BASE_OF], [1], [Define to 1 if std::is_base_of is available])], [AC_MSG_RESULT(no)]) # Check if system and steady clocks use the same duration type. AC_MSG_CHECKING([for different std::chrono::duration types]) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [#include #include ] [static_assert(!std::is_same< std::chrono::system_clock::duration, std::chrono::steady_clock::duration >::value, "");])], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) AC_DEFINE([CHRONO_SAME_DURATION], [1], [Define to 1 if system and steady clocks use the same duration type])]) dnl Determine if we are using GNU sed GNU_SED=no $SED --version 2> /dev/null | grep GNU > /dev/null 2>&1 if test $? -eq 0; then GNU_SED=yes fi # Display the C++ version AC_MSG_CHECKING([C++ version]) cat > conftest.cpp << EOF long v = __cplusplus; EOF CXX_STANDARD=`$CXX $CXXFLAGS -E -o - conftest.cpp | grep '^long v = ' | $SED -e 's/^long v = //' -e 's/[[^0-9]]*$//' 2> /dev/null` if test -z "$CXX_STANDARD"; then CXX_STANDARD="unknown" fi AC_MSG_RESULT([$CXX_STANDARD]) # Linker options # check -R, "-Wl,-R" or -rpath AX_ISC_RPATH # Compiler dependent settings: define some mandatory CXXFLAGS here. # We also use a separate variable KEA_CXXFLAGS. This will (and should) be # used as the default value for each specific AM_CXXFLAGS: # AM_CXXFLAGS = $(KEA_CXXFLAGS) # AM_CXXFLAGS += ... # add module specific flags # We need this so that we can disable some specific compiler warnings per # module basis; since AM_CXXFLAGS are placed before CXXFLAGS, and since # gcc's -Wno-XXX option must be specified after -Wall or -Wextra, we cannot # specify the default warning flags in CXXFLAGS and let specific modules # "override" the default. # This may be used to try linker flags. AC_DEFUN([KEA_CXX_TRY_FLAG], [ AC_MSG_CHECKING([whether $CXX supports $1]) kea_save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS -Werror $1" AC_LINK_IFELSE([AC_LANG_SOURCE([int main(){ return 0;}])], [kea_cxx_flag=yes], [kea_cxx_flag=no]) CXXFLAGS="$kea_save_CXXFLAGS" if test "x$kea_cxx_flag" = "xyes"; then ifelse([$2], , :, [$2]) else ifelse([$3], , :, [$3]) fi AC_MSG_RESULT([$kea_cxx_flag]) ]) CXX_VERSION="unknown" # SunStudio compiler requires special compiler options for boost # (http://blogs.sun.com/sga/entry/boost_mini_howto) if test "$SUNCXX" = "yes"; then CXX_VERSION=`$CXX -V 2> /dev/null | head -1` CXXFLAGS="$CXXFLAGS -library=stlport4 -features=tmplife -features=tmplrefstatic" KEA_CXXFLAGS="$KEA_CXXFLAGS -mt" MULTITHREADING_FLAG="-mt" fi # Newer versions of clang++ promotes "unused driver arguments" warnings to # a fatal error with -Werror, causing build failure. Since we use multiple # compilers on multiple systems, this can easily happen due to settings for # non clang++ environments that could be just ignored otherwise. It can also # happen if clang++ is used via ccache. So, although probably suboptimal, # we suppress this particular warning. Note that it doesn't weaken checks # on the source code. if test "X$CLANGPP" = "Xyes"; then CXX_VERSION=`$CXX --version 2> /dev/null | head -1` KEA_CXXFLAGS="$KEA_CXXFLAGS -Qunused-arguments" fi # Comparison function based on the sort command that works with decimal numbers # in a portable manner to the detriment of expr, test and most other commands. less_than() { # Equal means not less than. if test "${1}" = "${2}"; then return 1 fi # Sort numerically, check the first item against ${1}. if test "$(printf '%s\n%s\n' "${1}" "${2}" | sort -V | head -n 1)" = "${1}"; then return 0 fi # ${2} is smaller than ${1}. return 1 } # gcc/clang specific settings: if test "X$GXX" = "Xyes"; then CXX_VERSION=`$CXX --version 2> /dev/null | head -1` KEA_CXXFLAGS="$KEA_CXXFLAGS -Wall -Wextra -Wnon-virtual-dtor -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare" # gcc 4.4 would emit warnings about breaking strict aliasing rules. # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41874 CXX_DUMP_VERSION=`$CXX -dumpversion | cut -f1-2 -d.` if less_than "$CXX_DUMP_VERSION" "4.5"; then WARNING_GCC_44_STRICT_ALIASING_CFLAG="-fno-strict-aliasing" fi AC_SUBST(WARNING_GCC_44_STRICT_ALIASING_CFLAG) CPPP="$CXXCPP" # gcc 5 preprocessor requires -P for checking its output if less_than "5" "$CXX_DUMP_VERSION"; then CPPP="$CPPP -P" fi case "$host" in *-solaris*) MULTITHREADING_FLAG=-pthreads # In Solaris, IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT need -Wno-missing-braces KEA_CXXFLAGS="$KEA_CXXFLAGS -Wno-missing-braces" ;; *-apple-darwin*) MULTITHREADING_FLAG= ;; *) MULTITHREADING_FLAG=-pthread ;; esac KEA_CXXFLAGS="$KEA_CXXFLAGS $MULTITHREADING_FLAG" dumpmachine=`$CXX -dumpmachine` case "$dumpmachine" in *-musl) AC_MSG_WARN("Detected musl libc: musl dlclose() is a noop") AC_DEFINE([LIBC_MUSL], [1], [Define to 1 if libc is musl]) ;; esac # Disable -Werror by default. Only use it if specifically enabled. # The usage of this flag is: # # No flag: -Werror is disabled # --with-werror: -Werror is enabled # --with-werror=yes: -Werror is enabled # --with-werror=no: -Werror is disabled # --with-werror=value -Werror is enabled and "value" is included in the compiler flags # # In the last case, "value" may be one or more compiler flags, e.g. # --with-werror=-Wundef # --with-werror='-Wundef -Wconversion' werror_extras= AC_ARG_WITH(werror, [AS_HELP_STRING([--with-werror],[Compile using -Werror (default=no)])], [ case "${withval}" in yes) with_werror=1 ;; no) with_werror=0 ;; -*) with_werror=1; werror_extras=${withval} ;; *) AC_MSG_ERROR(bad value ${withval} for --with-werror) ;; esac], [with_werror=0]) werror_ok=0 # Certain versions of gcc (g++) have a bug that incorrectly warns about # the use of anonymous name spaces even if they're closed in a single # translation unit. For these versions we have to disable -Werror. if test $with_werror = 1; then CXXFLAGS_SAVED="$CXXFLAGS" CXXFLAGS="$CXXFLAGS $KEA_CXXFLAGS -Werror" AC_MSG_CHECKING(for in-TU anonymous namespace breakage) # We use struct, not class, here, because some compilers complain about # "unused private members", causing a false positive. AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ namespace { struct Foo {}; } namespace isc { struct Bar { Foo foo_; }; } ]], [[]])], [AC_MSG_RESULT(no) werror_ok=1 KEA_CXXFLAGS="$KEA_CXXFLAGS -Werror"], [AC_MSG_RESULT(yes)] ) CXXFLAGS="$CXXFLAGS_SAVED" fi # Added flags after -Werror # Some versions of GCC warn about some versions of Boost regarding # missing initializer for members in its posix_time. # https://svn.boost.org/trac/boost/ticket/3477 # But older GCC compilers don't have the flag. KEA_CXX_TRY_FLAG([-Wno-missing-field-initializers], [KEA_CXXFLAGS="$KEA_CXXFLAGS -Wno-missing-field-initializers"]) if test "X$CLANGPP" = "Xyes"; then # This is to workaround unused variables tcout and tcerr in # log4cplus's streams.h and unused parameters from some of the # Boost headers. KEA_CXXFLAGS="$KEA_CXXFLAGS -Wno-unused-variable -Wno-unused-parameter" fi # Add the extras at the very last # Note it can be used to re-enable a (fatal) warning for extra in $werror_extras; do KEA_CXX_TRY_FLAG([$extra], [KEA_CXXFLAGS="$KEA_CXXFLAGS $extra"], [AC_MSG_ERROR([$CXX does not support $extra"])]) done fi dnl GXX = yes # allow building programs with static link. we need to make it selective # because loadable modules cannot be statically linked. AC_ARG_ENABLE([static-link], [AS_HELP_STRING([--enable-static-link], [build programs with static link [[default=no]]])], [enable_static_link=yes], [enable_static_link=no]) AM_CONDITIONAL(USE_STATIC_LINK, test $enable_static_link = yes) AM_COND_IF([USE_STATIC_LINK], [AC_DEFINE([USE_STATIC_LINK], [1], [Was Kea statically linked?])]) # Check validity about some libtool options if test $enable_static_link = yes -a $enable_static = no; then AC_MSG_ERROR([--enable-static-link requires --enable-static]) fi if test $enable_static_link = no -a $enable_shared = no; then AC_MSG_ERROR([--disable-static-link requires --enable-shared]) fi # OS dependent configuration kea_undefined_pthread_behavior=no case "$host" in *-solaris*) # Solaris requires special definitions to get some standard libraries # (e.g. getopt(3)) available with common used header files. CPPFLAGS="$CPPFLAGS -D_XPG4_2 -D__EXTENSIONS__" # "now" binding is necessary to prevent deadlocks in C++ static initialization code LDFLAGS="$LDFLAGS -z now" # Destroying locked mutexes, condition variables being waited # on, etc. are undefined behavior on Solaris, so we set it as # such here. kea_undefined_pthread_behavior=yes ;; *-apple-darwin*) # Starting with OSX 10.7 (Lion) we must choose which IPv6 API to use # (RFC2292 or RFC3542). CPPFLAGS="$CPPFLAGS -D__APPLE_USE_RFC_3542" # In OS X 10.9 (and possibly any future versions?) pthread_cond_destroy # doesn't work as documented, which makes some of unit tests fail. AC_MSG_CHECKING([OS X versions where destroying locked locks do not fail]) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ #include ]], [[ #ifdef __MAC_OS_X_VERSION_MIN_REQUIRED #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 #error " OS X >= 10.9" #endif #endif return 1; ]])], [AC_MSG_RESULT([OS X < 10.9])], [AC_MSG_RESULT([OS X >= 10.9]) kea_undefined_pthread_behavior=yes]) ;; *-freebsd*) # On FreeBSD10.1 pthread_cond_destroy doesn't work as documented, which # causes the CondVarTest.destroyWhileWait test to fail. According to the # pthread_cond_destroy documentation for FreeBSD, this function should # return EBUSY error when there is a thread waiting for the conditional # variable, whereas this function returned success code. We treat it here # as an undefined behavior. Also note that this issue was only visible # when gtest 1.7 was in use, because the previous versions of gtest # didn't seem to have support for the death tests on FreeBSD. As a # result, the test was not executed and the error didn't occur. kea_undefined_pthread_behavior=yes ;; esac if [ test $kea_undefined_pthread_behavior = "yes" ]; then AC_DEFINE([HAS_UNDEFINED_PTHREAD_BEHAVIOR], [1], [Does this platform have some undefined pthreads behavior?]) fi # Our experiments have shown Solaris 10 has broken support for the # IPV6_USE_MIN_MTU socket option for getsockopt(); it doesn't return the value # previously set via setsockopt(). We know it doesn't happen on one instance # on Solaris 11, but we don't know whether it happens for any Solaris 10 # implementations or for earlier versions of Solaris. In any case, at the # moment this matters for only one unittest case, so we'll simply disable # the affected test using the following definition with the specific hardcoding # of that version of Solaris. case "$host" in *-solaris2.10) AC_DEFINE([HAVE_BROKEN_GET_IPV6_USE_MIN_MTU], [1], [Define to 1 if getsockopt(IPV6_USE_MIN_MTU) does not work]) ;; esac # Made perfdhcp optional. AC_ARG_ENABLE(perfdhcp, [AS_HELP_STRING([--enable-perfdhcp], [enable perfdhcp, a DHCP benchmarking tool [default=no]])], enable_perfdhcp=$enableval, enable_perfdhcp=no) DISTCHECK_PERFDHCP_CONFIGURE_FLAG= if test "x$enable_perfdhcp" != xno ; then DISTCHECK_PERFDHCP_CONFIGURE_FLAG="--enable-perfdhcp" fi # Export to makefiles the info whether we have perfdhcp enabled or not AM_CONDITIONAL(PERFDHCP, test x$enable_perfdhcp != xno) AC_SUBST(DISTCHECK_PERFDHCP_CONFIGURE_FLAG) # produce PIC unless we disable shared libraries. need this for python bindings. if test $enable_shared != "no" -a "X$GXX" = "Xyes"; then KEA_CXXFLAGS="$KEA_CXXFLAGS -fPIC" fi # Look for glib static libs if they're trying to do static builds if test $enable_static_link != "no"; then CXX_SAVED=$CXX CXX="$CXX -static" AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include ],[(void)sqrt(-1.0);])], [AC_MSG_RESULT([checking for static glib libraries... yes])], [AC_MSG_RESULT([checking for static glib libraries... no]) AC_MSG_ERROR([Building with --enable-static-link does not work. You appear to be missing glib static libraries. Check config.log for details.])]) CXX=$CXX_SAVED fi AC_SUBST(KEA_CXXFLAGS) # Checks for libraries. AC_SEARCH_LIBS(inet_pton, [nsl]) AC_SEARCH_LIBS(recvfrom, [socket]) AC_SEARCH_LIBS(nanosleep, [rt]) AC_SEARCH_LIBS(dlsym, [dl]) # Checks for header files. # Checks for typedefs, structures, and compiler characteristics. AC_HEADER_STDBOOL AC_TYPE_SIZE_T AC_TYPE_SSIZE_T # Detect OS type (it may be used to do OS-specific things, e.g. # interface detection in DHCP) AC_MSG_CHECKING(OS type) BSD_TYPE="notaBSD" case $host in *-linux*) AC_DEFINE([OS_LINUX], [1], [Running on Linux?]) OS_TYPE="Linux" CPPFLAGS="$CPPFLAGS -DOS_LINUX" ;; *-apple-darwin*) AC_DEFINE([OS_BSD], [1], [Running on BSD?]) AC_DEFINE([OS_OSX], [1], [Running on OSX?]) OS_TYPE="BSD" BSD_TYPE="OSX" CPPFLAGS="$CPPFLAGS -DOS_BSD" ;; *-freebsd*) AC_DEFINE([OS_BSD], [1], [Running on BSD?]) AC_DEFINE([OS_FREEBSD], [1], [Running on FreeBSD?]) OS_TYPE="BSD" BSD_TYPE="FreeBSD" CPPFLAGS="$CPPFLAGS -DOS_BSD" ;; *-netbsd*) AC_DEFINE([OS_BSD], [1], [Running on BSD?]) AC_DEFINE([OS_NETBSD], [1], [Running on NetBSD?]) OS_TYPE="BSD" BSD_TYPE="NetBSD" CPPFLAGS="$CPPFLAGS -DOS_BSD" ;; *-openbsd*) AC_DEFINE([OS_BSD], [1], [Running on BSD?]) AC_DEFINE([OS_OPENBSD], [1], [Running on OpenBSD?]) OS_TYPE="BSD" BSD_TYPE="OpenBSD" CPPFLAGS="$CPPFLAGS -DOS_BSD" ;; *-solaris*) AC_DEFINE([OS_SOLARIS], [1], [Running on Solaris?]) OS_TYPE="Solaris" CPPFLAGS="$CPPFLAGS -DOS_SUN" ;; *) OS_TYPE="Unknown" # $host_os is more user friendly than full $host AC_MSG_WARN("Unsupported OS: $host_os") ;; esac AC_MSG_RESULT($OS_TYPE) AM_CONDITIONAL(OS_LINUX, test $OS_TYPE = Linux) AM_CONDITIONAL(OS_BSD, test $OS_TYPE = BSD) AM_CONDITIONAL(OS_SOLARIS, test $OS_TYPE = Solaris) AM_CONDITIONAL(OS_OSX, test $BSD_TYPE = OSX) AM_CONDITIONAL(OS_FREEBSD, test $BSD_TYPE = FreeBSD) AM_CONDITIONAL(OS_NETBSD, test $BSD_TYPE = NetBSD) AM_CONDITIONAL(OS_OPENBSD, test $BSD_TYPE = OpenBSD) AC_MSG_CHECKING(for sa_len in struct sockaddr) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ #include #include ]], [[ struct sockaddr sa; sa.sa_len = 0; return (0); ]])], [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SA_LEN, 1, [Define to 1 if sockaddr has a sa_len member, and corresponding sin_len and sun_len])], [AC_MSG_RESULT(no)] ) usable_regex= AC_MSG_CHECKING(for usable C++11 regex) AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include int main() { const std::regex regex(".*"); const std::string string = "This should match!"; const auto result = std::regex_search(string, regex); return result ? EXIT_SUCCESS : EXIT_FAILURE; }]])], [AC_MSG_RESULT(yes) usable_regex="yes"], [AC_MSG_RESULT(no) usable_regex="no"], [AC_MSG_RESULT(cross compiling)]) # When cross-compiling we don't have any way to check if regex is # usable or not. # Let's be optimistic and assume it is by testing only the negative case. if test "x$usable_regex" != "xno" ; then AC_DEFINE(USE_REGEX, 1, [Define to 1 if C++11 regex is usable]) fi # Check for NETCONF support. If NETCONF was enabled in the build, and this check # passes, it will enforce the --std=c++20 flag. Let's do the check as early as # possible so that the rest of the checks include the flag as well. AX_NETCONF # Run the gtest detection routines. This supports --with-gtest and --with-gtest-source # parameters. If specified, those will set the HAVE_GTEST, HAVE_GTEST_SOURCE, # DISTCHECK_GTEST_CONFIGURE_FLAG, GTEST_INCLUDES, GTEST_LDFLAGS, GTEST_LDADD, GTEST_SOURCE # variables. AX_ISC_GTEST # Sets up for use of botan unless openssl is specified # sets variables CRYPTO_* AX_CRYPTO # List of directories, where tools like mysql_config or pgsql_config will be # searched for defaultdirs="/usr /usr/local /usr/pkg /opt /opt/local" # Check for MySql. The path to the mysql_config program is given with # the --with-mysql-config (default to /usr/bin/mysql-config). By default, # the software is not built with MySQL support enabled. mysql_config="no" AC_ARG_WITH([mysql], [AS_HELP_STRING([--with-mysql[[=PATH]]], [path to the MySQL 'mysql_config' script (MySQL is used for the DHCP database)])], [mysql_config="$withval"]) deprec_msg="no" AC_ARG_WITH([dhcp-mysql],, [mysql_config="$withval";deprec_msg="yes"]) if test "${deprec_msg}" = "yes" ; then AC_MSG_WARN([--with-dhcp-mysql has been deprecated, please use --with-mysql]) fi if test "${mysql_config}" = "yes" ; then MYSQL_CONFIG="/usr/bin/mysql_config" for d in $defaultdirs do if test -f $d/bin/mysql_config; then MYSQL_CONFIG="$d/bin/mysql_config" break fi done elif test "${mysql_config}" != "no" ; then MYSQL_CONFIG="${withval}" fi DISTCHECK_MYSQL_CONFIGURE_FLAG= if test "$MYSQL_CONFIG" != "" ; then if test -d "$MYSQL_CONFIG" -o ! -x "$MYSQL_CONFIG" ; then AC_MSG_ERROR([MySQL dependencies cannot be found. Please install MySQL libraries or point --with-mysql to mysql_config program if it is located in non-default directory, eg. --with-mysql=/opt/mysql/bin/mysql_config.]) fi DISTCHECK_MYSQL_CONFIGURE_FLAG="--with-mysql=$MYSQL_CONFIG" MYSQL_CPPFLAGS=`$MYSQL_CONFIG --cflags` MYSQL_LIBS=`$MYSQL_CONFIG --libs` MYSQL_LIBS="$MYSQL_LIBS $CRYPTO_LIBS" MYSQL_VERSION=`$MYSQL_CONFIG --version` AC_SUBST(MYSQL_CPPFLAGS) AC_SUBST(MYSQL_LIBS) AC_SUBST(DISTCHECK_MYSQL_CONFIGURE_FLAG) # Check that a simple program using MySQL functions can compile and link. CPPFLAGS_SAVED="$CPPFLAGS" LIBS_SAVED="$LIBS" CPPFLAGS="$MYSQL_CPPFLAGS $CPPFLAGS" LIBS="$MYSQL_LIBS $LIBS" AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include ], [MYSQL mysql_handle; (void) mysql_init(&mysql_handle); ])], [AC_MSG_RESULT([checking for MySQL headers and library... yes])], [AC_MSG_RESULT([checking for MySQL headers and library... no]) AC_MSG_ERROR([Needs MySQL library])] ) # Note that MYSQL is present in the config.h file AC_DEFINE([HAVE_MYSQL], [1], [MySQL is present]) # Check if my_bool is defined. AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([#include const my_bool MLM_FALSE = 0;] [])], [AC_MSG_RESULT([checking for MySQL my_bool... yes]) AC_DEFINE([HAVE_MYSQL_MY_BOOL], [1], [MySQL uses my_bool])], [AC_MSG_RESULT([checking for MySQL my_bool... no])]) # Check if mysql_get_option is defined. AC_MSG_CHECKING([for MySQL mysql_get_option]) AC_LINK_IFELSE( [AC_LANG_PROGRAM( [#include ], [MYSQL handle; unsigned int timeout; mysql_get_option(&handle, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);] )], [AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_MYSQL_GET_OPTION], [true], [MySQL has mysql_get_option defined.])], [AC_MSG_RESULT([no]) AC_MSG_WARN([mysql_get_option program failed to build: $(cat conftest.cpp) $(cat conftest.err)])] ) CPPFLAGS=$CPPFLAGS_SAVED LIBS=$LIBS_SAVED fi # Solaris puts FIONREAD in filio.h AC_CHECK_HEADERS(sys/filio.h,,,) # ... and at the shell level, so Makefile.am can take action depending on this. AM_CONDITIONAL(HAVE_MYSQL, test "$MYSQL_CONFIG" != "") pg_config="no" AC_ARG_WITH([pgsql], [AS_HELP_STRING([--with-pgsql[[=PATH]]], [path to the PostgreSQL 'pg_config' script])], [pg_config="$withval"]) deprec_msg="no" AC_ARG_WITH([dhcp-pgsql],, [pg_config="$withval";deprec_msg="yes"]) if test "${deprec_msg}" = "yes" ; then AC_MSG_WARN([--with-dhcp-pgsql has been deprecated, please use --with-pgsql]) fi if test "${pg_config}" = "yes" ; then PG_CONFIG="/usr/bin/pg_config" for d in $defaultdirs do if test -f $d/bin/pg_config; then PG_CONFIG="$d/bin/pg_config" break fi done elif test "${pg_config}" != "no" ; then PG_CONFIG="${withval}" fi DISTCHECK_PGSQL_CONFIGURE_FLAG= if test "$PG_CONFIG" != "" ; then if test -d "$PG_CONFIG" -o ! -x "$PG_CONFIG" ; then AC_MSG_ERROR([PostgreSQL dependencies cannot be found. 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AC_ARG_ENABLE([pgsql-ssl], [AS_HELP_STRING([--enable-pgsql-ssl], [enable OpenSSL support in PostgreSQL [default=yes]])], [pgsql_ssl=$enableval], [pgsql_ssl=no], [pgsql_ssl=yes]) if test "${pgsql_ssl}" = "yes"; then AC_DEFINE([HAVE_PGSQL_SSL], [1], [PostgreSQL was built with OpenSSL support]) fi cql_config="no" AC_ARG_WITH([cql], [AS_HELP_STRING([--with-cql[[=PATH]]], [path to pkg-config or the Cassandra CQL 'cql_config' script (deprecated)])], [cql_config="$withval"]) if test "${cql_config}" != "no" ; then AC_MSG_ERROR([$CQL_CONFIG Cassandra is no longer supported]) fi # Check for log4cplus DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG= log4cplus_path="yes" AC_ARG_WITH([log4cplus], [AS_HELP_STRING([--with-log4cplus[[=PATH]]], [optional path to the log4cplus installation directory])], [log4cplus_path="$withval"]) if test "${log4cplus_path}" = "no" ; then AC_MSG_ERROR([Need log4cplus]) elif test "${log4cplus_path}" != "yes" ; then DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG="-with-log4cplus=${log4cplus_path}" LOG4CPLUS_INCLUDES="-I${log4cplus_path}/include" LOG4CPLUS_LIBS="-L${log4cplus_path}/lib" else # If not specified, try some common paths. for d in $defaultdirs do if test -f $d/include/log4cplus/logger.h; then LOG4CPLUS_INCLUDES="-I$d/include" LOG4CPLUS_LIBS="-L$d/lib" if test -d $d/lib64; then LOG4CPLUS_LIBS="$LOG4CPLUS_LIBS -L$d/lib64" fi break fi done DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG="-with-log4cplus" fi LOG4CPLUS_LIBS="$LOG4CPLUS_LIBS -llog4cplus" AC_SUBST(DISTCHECK_LOG4CPLUS_CONFIGURE_FLAG) AC_SUBST(LOG4CPLUS_LIBS) AC_SUBST(LOG4CPLUS_INCLUDES) CPPFLAGS_SAVED=$CPPFLAGS CPPFLAGS="$LOG4CPLUS_INCLUDES $CPPFLAGS" LIBS_SAVED="$LIBS" LIBS="$LOG4CPLUS_LIBS $MULTITHREADING_FLAG $LIBS" AC_CHECK_HEADERS([log4cplus/logger.h],, AC_MSG_ERROR([Missing required header file (logger.h) from the log4cplus package])) AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include ], [using namespace log4cplus; Logger logger = Logger::getInstance("main"); ])], [AC_MSG_RESULT([checking for log4cplus library... yes])], [AC_MSG_RESULT([checking for log4cplus library... no]) AC_MSG_ERROR([Needs log4cplus library])] ) dnl Determine the log4cplus version, used mainly for config.report. 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CPPFLAGS_SAVED=$CPPFLAGS CPPFLAGS="$LOG4CPLUS_INCLUDES $CPPFLAGS" LIBS_SAVED="$LIBS" LIBS="$LOG4CPLUS_LIBS $LIBS" AC_MSG_CHECKING([log4cplus explicit initialization (log4cplus/initializer.h)]) AC_LINK_IFELSE( [AC_LANG_PROGRAM([#include ], [log4cplus::Initializer initializer;] )], [AC_MSG_RESULT([yes]) AC_DEFINE(LOG4CPLUS_INITIALIZER_H, [1], [Explicit initialization of log4cplus possible])], [AC_MSG_RESULT(no)]) LIBS="$LIBS_SAVED" CPPFLAGS=$CPPFLAGS_SAVED # # Configure Boost header path # AX_BOOST_FOR_KEA # Boost offset_ptr is required in one library and not optional right now, so # we unconditionally fail here if it doesn't work. if test "$BOOST_OFFSET_PTR_WOULDFAIL" = "yes" -a X"$werror_ok" = X1; then AC_MSG_ERROR([Failed to compile a required header file. Try upgrading Boost to 1.44 or higher (when using clang++) or specifying --without-werror. 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CPPFLAGS="$CPPFLAGS -I\$(top_srcdir) -I\$(top_builddir)" # Doesn't seem to be required? #CPPFLAGS="$CPPFLAGS -DBOOST_ASIO_HEADER_ONLY" # # Disable threads: they seems to break things on some systems # As now we use threads in boost ASIO this is commented out... # CPPFLAGS="$CPPFLAGS -DBOOST_ASIO_DISABLE_THREADS=1" # We tried to stay header only if test "x${BOOST_LIBS}" = "x"; then # Don't want boost system library CPPFLAGS="$CPPFLAGS -DBOOST_ERROR_CODE_HEADER_ONLY" # Avoid boost::system::throws multiple defines CPPFLAGS="$CPPFLAGS -DBOOST_SYSTEM_NO_DEPRECATED" fi # Check for functions that are not available on all platforms AC_CHECK_FUNCS([pselect]) # /dev/poll issue: ASIO uses /dev/poll by default if it's available (generally # the case with Solaris). Unfortunately its /dev/poll specific code would # trigger the gcc's "missing-field-initializers" warning, which would # subsequently make the build fail with -Werror. Further, older versions of # gcc don't provide an option to selectively suppress this warning. # So, for the moment, we simply disable the use of /dev/poll. Unless we # implement recursive DNS server with randomized ports, we don't need the # scalability that /dev/poll can provide, so this decision wouldn't affect # run time performance. Hopefully we can find a better solution or the ASIO # code will be updated by the time we really need it. AC_CHECK_HEADERS(sys/devpoll.h, ac_cv_have_devpoll=yes, ac_cv_have_devpoll=no) if test "X$ac_cv_have_devpoll" = "Xyes" -a "X$GXX" = "Xyes"; then CPPFLAGS="$CPPFLAGS -DBOOST_ASIO_DISABLE_DEV_POLL=1" fi # # Perl is optional; it is used only by some of the system test scripts. # AC_PATH_PROGS(PERL, perl5 perl) AC_SUBST(PERL) AC_PATH_PROGS(AWK, gawk awk) AC_SUBST(AWK) AC_ARG_ENABLE(generate_messages, [AS_HELP_STRING([--enable-generate-messages], [indicates that the messages files will be regenerated. 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Bison is not needed for building Kea sources, # unless you want to regenerate grammars AC_PATH_PROG(YACC, bison) AC_SUBST(YACC) if test "x$enable_generate_parser" != "xno"; then if test "x$LEX" != "xflex"; then AC_MSG_ERROR([Flex is required for enable-generate-parser, but was not found]) fi if test "x$YACC" = "x"; then AC_MSG_ERROR([Bison is required for enable-generate-parser, but was not found]) fi # Let's check if we have at least 3.3.0 version of the bison. The # api.parser.class is available with 3.2.91, but let's be safe and offer support # for minor versions, as opposed to patch versions. cat > bisontest.y << EOF %require "3.3.0" %token X %% %start Y; Y: X; EOF # Try to compile. $YACC bisontest.y -o bisontest.cc if test $? -ne 0 ; then $YACC -V $RM -f bisontest.y bisontest.cc AC_MSG_ERROR("Error with $YACC. Possibly incorrect version? 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${prefix} # - libdir = ${exec_prefix}/lib # The exec_prefix and libdir variables contain unexpanded,literal ${prefix}. # This is done on purpose. The idea is to be able to make this expansion # late, so use can do: # make install prefix=/my/own/prefix # # Now, we want to print those directories in the config.report, but we # don't want to modify the actual variables. So we need to expand them. # Since libdir contains $exec_prefix and exec_prefix contains $prefix, then # to get the real value, we need to expand it twice. libdir_real="$(eval echo ${libdir})" libdir_real="$(eval echo ${libdir_real})" cat > config.report << END Kea source configure results: -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Package: Name: ${PACKAGE_NAME} Version: ${PACKAGE_VERSION} Extended version: ${EXTENDED_VERSION} Version type: ${PACKAGE_VERSION_TYPE} OS Family: ${OS_TYPE} Prefix: ${prefix} Hooks directory: ${libdir_real}/kea/hooks END if test "$PREMIUM" != ""; then cat >> config.report << END Premium hooks: yes Included Hooks: ${INCLUDED_HOOKS} END else cat >> config.report << END Premium hooks: no END fi cat >> config.report << END Configure arguments: $ac_configure_args END cat >> config.report << END C++ Compiler: CXX: ${CXX} CXX_VERSION: ${CXX_VERSION} CXX_STANDARD: ${CXX_STANDARD} DEFS: ${DEFS} CPPFLAGS: ${CPPFLAGS} CXXFLAGS: ${CXXFLAGS} LDFLAGS: ${LDFLAGS} KEA_CXXFLAGS: ${KEA_CXXFLAGS} END if test "$PYTHON" != "no" ; then cat >> config.report << END Python: PYTHON: ${PYTHON} PYTHON_VERSION: ${PYTHON_VERSION} PYTHON_PREFIX: ${PYTHON_PREFIX} PYTHON_EXEC_PREFIX: ${PYTHON_EXEC_PREFIX} PKGPYTHONDIR: ${PKGPYTHONDIR} END else cat >> config.report << END Python: PYTHON_VERSION: not needed (because kea-shell is disabled) END fi cat >> config.report << END Boost: BOOST_VERSION: ${BOOST_VERSION} BOOST_INCLUDES: ${BOOST_INCLUDES} BOOST_LIBS: ${BOOST_LIBS} END if test x"$BOOST_LIBS" = "x"; then cat >> config.report << END WARNING: You will be building with boost headers only rather than linking with boost_system library. This is NOT recommended as it may result in non-optimized code on some platforms and introduce runtime errors on others. END fi cat >> config.report << END ${CRYPTO_NAME}: CRYPTO_VERSION: ${CRYPTO_VERSION} CRYPTO_CFLAGS: ${CRYPTO_CFLAGS} CRYPTO_INCLUDES: ${CRYPTO_INCLUDES} CRYPTO_LDFLAGS: ${CRYPTO_LDFLAGS} CRYPTO_LIBS: ${CRYPTO_LIBS} TLS support: $tls_support ${DISABLED_CRYPTO}: no Log4cplus: LOG4CPLUS_VERSION: ${LOG4CPLUS_VERSION} LOG4CPLUS_INCLUDES: ${LOG4CPLUS_INCLUDES} LOG4CPLUS_LIBS: ${LOG4CPLUS_LIBS} Flex/bison: FLEX: ${LEX} BISON: ${YACC} END # Avoid confusion on DNS/DHCP and only mention MySQL if it # were specified on the command line. if test "$MYSQL_CPPFLAGS" != "" ; then cat >> config.report << END MySQL: MYSQL_VERSION: ${MYSQL_VERSION} MYSQL_CPPFLAGS: ${MYSQL_CPPFLAGS} MYSQL_LIBS: ${MYSQL_LIBS} END else cat >> config.report << END MySQL: no END fi if test "$PGSQL_CPPFLAGS" != "" ; then cat >> config.report << END PostgreSQL: PGSQL_VERSION: ${PGSQL_VERSION} PGSQL_CPPFLAGS: ${PGSQL_CPPFLAGS} PGSQL_LIBS: ${PGSQL_LIBS} END else cat >> config.report << END PostgreSQL: no END fi cat >> config.report << END NETCONF: ${HAVE_NETCONF-no} END if test -n "${LIBYANG_VERSION}"; then cat >> config.report << END libyang: LIBYANG_CPPFLAGS: ${LIBYANG_CPPFLAGS} LIBYANG_INCLUDEDIR: ${LIBYANG_INCLUDEDIR} LIBYANG_LIBS: ${LIBYANG_LIBS} LIBYANG_PREFIX: ${LIBYANG_PREFIX} LIBYANG_VERSION: ${LIBYANG_VERSION} END else cat >> config.report << END libyang: no END fi if test -n "${LIBYANGCPP_VERSION}"; then cat >> config.report << END libyang-cpp: LIBYANGCPP_CPPFLAGS: ${LIBYANGCPP_CPPFLAGS} LIBYANGCPP_INCLUDEDIR: ${LIBYANGCPP_INCLUDEDIR} LIBYANGCPP_LIBS: ${LIBYANGCPP_LIBS} LIBYANGCPP_PREFIX: ${LIBYANGCPP_PREFIX} LIBYANGCPP_VERSION: ${LIBYANGCPP_VERSION} END else cat >> config.report << END libyang-cpp: no END fi if test -n "${SYSREPO_VERSION}"; then cat >> config.report << END sysrepo: SYSREPO_CPPFLAGS: ${SYSREPO_CPPFLAGS} SYSREPO_INCLUDEDIR: ${SYSREPO_INCLUDEDIR} SYSREPO_LIBS: ${SYSREPO_LIBS} SYSREPO_PREFIX: ${SYSREPO_PREFIX} SYSREPO_VERSION: ${SYSREPO_VERSION} SR_REPO_PATH: ${SR_REPO_PATH} SR_PLUGINS_PATH: ${SR_PLUGINS_PATH} SRPD_PLUGINS_PATH: ${SRPD_PLUGINS_PATH} END else cat >> config.report << END sysrepo: no END fi if test -n "${SYSREPOCPP_VERSION}"; then cat >> config.report << END sysrepo-cpp: SYSREPOCPP_CPPFLAGS: ${SYSREPOCPP_CPPFLAGS} SYSREPOCPP_INCLUDEDIR: ${SYSREPOCPP_INCLUDEDIR} SYSREPOCPP_LIBS: ${SYSREPOCPP_LIBS} SYSREPOCPP_PREFIX : ${SYSREPOCPP_PREFIX} SYSREPOCPP_VERSION: ${SYSREPOCPP_VERSION} END else cat >> config.report << END sysrepo-cpp: no END fi if test "$enable_gtest" != "no"; then cat >> config.report << END Google Test: GTEST_VERSION: ${GTEST_VERSION} GTEST_INCLUDES: ${GTEST_INCLUDES} GTEST_LDFLAGS: ${GTEST_LDFLAGS} GTEST_LDADD: ${GTEST_LDADD} GTEST_SOURCE: ${GTEST_SOURCE} END else cat >> config.report << END Google Test: no END fi if test "$FREERADIUS_INCLUDE" != ""; then cat >> config.report << END FreeRADIUS client: FREERADIUS_INCLUDE: ${FREERADIUS_INCLUDE} FREERADIUS_LIB: ${FREERADIUS_LIB} FREERADIUS_DICTIONARY: ${FREERADIUS_DICTIONARY} END fi if test "$ENABLE_GSSAPI" = "yes"; then cat >> config.report << END GSS-API support: GSSAPI_CFLAGS: ${GSSAPI_CFLAGS} GSSAPI_LIBS: ${GSSAPI_LIBS} END fi cat >> config.report << END Developer: Enable Debugging: $debug_enabled Google Tests: $enable_gtest Valgrind: $found_valgrind C++ Code Coverage: $USE_LCOV Logger checks: $enable_logger_checks Install existing manuals: $install_mans Generate Documentation: $generate_docs_report Generate Parser: $enable_generate_parser Generate Messages Files: $enable_generate_messages Perfdhcp: $enable_perfdhcp Kea-shell: $shell_report Enable fuzzing: $enable_fuzzing END cat config.report cat <