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dnl This redefines AC_PROG_CC to a version which errors out instead. This is
dnl because all our tests should be done with the C++ compiler. This should
dnl catch stuff which accidentally uses the C compiler.
AC_DEFUN([AC_PROG_CC], [m4_errprint(__file__:__line__[: Something is trying to use the C compiler. Since this is a C++ project, this should not happen!
])m4_exit(1)])
dnl Needed for AC_PATH_PROGS_FEATURE_CHECK which was added in 2.62
AC_PREREQ([2.62])
dnl Keep the version number in sync with main.h!
AC_INIT([znc], [0.205])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([src/znc.cpp])
AC_LANG([C++])
AC_CONFIG_HEADERS([include/znc/zncconfig.h])
AH_TOP([#ifndef ZNCCONFIG_H
#define ZNCCONFIG_H])
AH_BOTTOM([#endif /* ZNCCONFIG_H */])
AC_DEFUN([ZNC_AUTO_FAIL], [
# This looks better in the summary at the end
$1="not found"
if test "x$old_$1" != "xauto" ; then
AC_MSG_ERROR([$2])
else
AC_MSG_WARN([$3])
fi
])
# AC_PROG_CXX sets CXXFLAGS to "-O2 -g" if it is unset which we don't want
CXXFLAGS="$CXXFLAGS "
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_GREP
AC_PROG_SED
AC_CANONICAL_HOST
AC_SYS_LARGEFILE
ZNC_VISIBILITY
appendLib () {
if test "$LIBS" != ""; then
LIBS="$LIBS $*"
else
LIBS=$*
fi
}
appendCXX () {
if test "$CXXFLAGS" != ""; then
CXXFLAGS="$CXXFLAGS $*"
else
CXXFLAGS=$*
fi
}
appendMod () {
if test "$MODFLAGS" != ""; then
MODFLAGS="$MODFLAGS $*"
else
MODFLAGS=$*
fi
}
appendLD () {
if test "$LDFLAGS" != ""; then
LDFLAGS="$LDFLAGS $*"
else
LDFLAGS=$*
fi
}
appendCXX "-D_FORTIFY_SOURCE=2"
case "${host_os}" in
freebsd*)
# -D__GNU_LIBRARY__ makes this work on fbsd 4.11
appendCXX -I/usr/local/include -D__GNU_LIBRARY__
appendLib -L/usr/local/lib -lcompat
appendMod -L/usr/local/lib
;;
solaris*)
appendLib -lsocket -lnsl -lresolv
ISSUN=1
;;
cygwin)
ISCYGWIN=1
;;
darwin*)
ISDARWIN=1
;;
esac
AC_ARG_WITH( [openssl],
AS_HELP_STRING([--with-openssl=DIR], [openssl installation prefix]),
[OPENSSL=$withval],)
AC_ARG_ENABLE( [extra],
AS_HELP_STRING([--enable-extra], [enable some extra modules]),
[EXTRA="$enableval"],
[EXTRA="no"])
AC_ARG_ENABLE( [debug],
AS_HELP_STRING([--enable-debug], [enable debugging]),
[DEBUG="$enableval"],
[DEBUG="no"])
AC_ARG_ENABLE( [ipv6],
AS_HELP_STRING([--disable-ipv6], [disable ipv6 support]),
[IPV6="$enableval"],
[IPV6="yes"])
AC_ARG_ENABLE( [openssl],
AS_HELP_STRING([--disable-openssl], [disable openssl]),
[SSL="$enableval"],
[SSL="auto"])
AC_ARG_ENABLE( [perl],
AS_HELP_STRING([--enable-perl], [enable perl]),
[PERL="$enableval"],
[PERL="no"])
AC_ARG_ENABLE( [python],
AS_HELP_STRING([--enable-python[[[=python3]]]], [enable python.
By default python3.pc of pkg-config is used, but you can use
another name, for example python-3.1]),
[PYTHON="$enableval"],
[PYTHON="no"])
AC_ARG_ENABLE( [swig],
AS_HELP_STRING([--disable-swig], [Disable automatic generation of source files needed for modperl/modpython.
This value is ignored if perl and python are disabled. If you disable swig,
but still want to use these modules, please download the necessary files to modules/modperl and/or to modules/modpython.
Check http://en.znc.in/wiki/Modperl and http://en.znc.in/wiki/Modpython for details.]),
[USESWIG="$enableval"],
[USESWIG="auto"])
AC_ARG_ENABLE( [sasl],
AS_HELP_STRING([--enable-sasl], [enable sasl]),
[if test "$enableval" = "yes" ; then SASL=1; fi],)
AC_ARG_ENABLE( [optimization],
AS_HELP_STRING([--disable-optimization], [Disable some compiler optimizations to
decrease memory usage while compiling]),
[OPTIMIZE="$enableval"],
[OPTIMIZE="yes"])
AC_ARG_ENABLE( [c-ares],
AS_HELP_STRING([--disable-c-ares], [disable c-ares usage]),
[ARES="$enableval"],
[ARES="auto"])
AC_ARG_ENABLE( [run-from-source],
AS_HELP_STRING([--enable-run-from-source], [ZNC will be runnable without installation]),
[if test "x$enableval" = "xyes" ; then
AC_DEFINE([RUN_FROM_SOURCE], [1],
[Define if ZNC should be runnable without installation])
fi
RUNFROMSOURCE="$enableval"],
[RUNFROMSOURCE="no"])
AC_ARG_ENABLE( [poll],
AS_HELP_STRING([--disable-poll], [use select() instead of poll()]),
[POLL="$enableval"],
[POLL="yes"])
if test "$DEBUG" != "no"; then
appendCXX -ggdb3
AC_DEFINE([_DEBUG], [1], [Define for debugging])
# These enable some debug options in g++'s STL, e.g. invalid use of iterators
AC_DEFINE([_GLIBCXX_DEBUG], [1], [Enable extra debugging checks in libstdc++])
AC_DEFINE([_GLIBCXX_DEBUG_PEDANTIC], [1], [Enable extra debugging checks in libstdc++])
AC_DEFINE([_GLIBCXX_CONCEPT_CHECKS], [1], [Enable extra debugging checks in libstdc++])
else
if test "x$OPTIMIZE" = "xyes"; then
appendCXX -O2
fi
fi
if test "$IPV6" != "no"; then
AC_DEFINE([HAVE_IPV6], [1], [Define if IPv6 support is enabled])
fi
if test "x$GXX" = "xyes"; then
appendCXX -Wall -W -Wno-unused-parameter -Woverloaded-virtual -Wshadow
fi
if test "$POLL" = "yes"; then
# poll() is broken on Mac OS, it fails with POLLNVAL for pipe()s.
if test -n "$ISDARWIN"
then
# Did they give us --enable-poll?
if test -n "$enable_poll"
then
# Yes, they asked for this.
AC_MSG_WARN([poll() is known to be broken on Mac OS X. You have been warned.])
else
# No, our default value of "yes" got applied.
AC_MSG_WARN([poll() is known to be broken on Mac OS X. Using select() instead.])
AC_MSG_WARN([Use --enable-poll for forcing poll() to be used.])
POLL=no
fi
fi
if test "$POLL" = "yes"; then
AC_DEFINE([CSOCK_USE_POLL], [1], [Use poll() instead of select()])
fi
fi
AC_CHECK_LIB( gnugetopt, getopt_long,)
AC_CHECK_FUNCS([lstat getopt_long getphassphrase])
PKG_PROG_PKG_CONFIG()
# ----- Check for dlopen
AC_SEARCH_LIBS([dlopen], [dl], [],
[AC_MSG_ERROR([Could not find dlopen. ZNC will not work on this box until you upgrade this ancient system or at least install the necessary system libraries.])])
# ----- Check for c-ares
if test "x$ARES" != "xno"; then
old_ARES=$ARES
if test -z "$PKG_CONFIG"
then
ARES=no
ZNC_AUTO_FAIL([ARES],
[pkg-config not found. Try --disable-c-ares.
Disabling c-ares may result in a slight performance decrease but will not have any other side-effects],
[pkg-config was not found and thus c-ares was disabled])
else
PKG_CHECK_MODULES([c_ares], [libcares >= 1.5.0],, ARES=no)
if test "x$ARES" = "xno" ; then
ZNC_AUTO_FAIL([ARES],
[c-ares not found. Try --disable-c-ares.
Disabling c-ares may result in a slight performance decrease but will not have any other side-effects],
[c-ares was not found and thus disabled])
else
AC_DEFINE([HAVE_C_ARES], [1], [Define if c-ares is enabled])
appendCXX $c_ares_CFLAGS
appendLib $c_ares_LIBS
ARES=yes
fi
fi
fi
# ----- Check for openssl
if test "x$SSL" != "xno"; then
if test -n "$OPENSSL"; then
appendLib -L${OPENSSL}/lib
appendLib -L${OPENSSL}/lib64
appendCXX -I${OPENSSL}/include
PKG_CONFIG_PATH="$OPENSSL/lib/pkgconfig/:$OPENSSL/lib64/pkgconfig/:$PKG_CONFIG_PATH"
fi
old_SSL=$SSL
PKG_CHECK_MODULES([openssl], [openssl], [
appendLib "$openssl_LIBS"
appendCXX "$openssl_CFLAGS"
], [
# Don't reorder this!
# On some arches libssl depends on libcrypto without linking to it :(
AC_CHECK_LIB( crypto, BIO_new,, SSL=no )
AC_CHECK_LIB( ssl, SSL_shutdown,, SSL=no )
])
if test "x$SSL" = "xno" ; then
ZNC_AUTO_FAIL([SSL],
[OpenSSL not found. Try --disable-openssl.],
[OpenSSL was not found and thus disabled])
NOSSL=1
else
AC_DEFINE([HAVE_LIBSSL], [1], [Define if openssl is enabled])
SSL=yes
fi
else
NOSSL=1
fi
AC_ARG_WITH( [module-prefix],
AS_HELP_STRING([--with-module-prefix], [module object code [LIBDIR/znc]]),
[MODDIR=$withval],
[MODDIR="${libdir}/znc"] )
AC_ARG_WITH( [module-data-prefix],
AS_HELP_STRING([--with-module-data-prefix=DIR],
[static module data (webadmin skins) [DATADIR/znc]]),
[DATADIR=$withval],
[DATADIR="${datadir}/znc"] )
appendMod "$CXXFLAGS"
appendMod "$CFLAG_VISIBILITY"
if test -z "$ISSUN" -a -z "$ISDARWIN" -a -z "$ISCYGWIN"; then
# This is an unknown compiler flag on some OS
appendLD -Wl,--export-dynamic
fi
if test -z "$ISCYGWIN" ; then
# cygwin doesn't need -fPIC, everything else does (for modules)
# warning: -fPIC ignored for target (all code is position independent)
appendMod -fPIC
else
# But cygwin does want most of ZNC in a shared lib
LIBZNC="libznc.dll"
LIBZNCDIR="$bindir"
fi
if test -z "$ISDARWIN"; then
MODLINK="-shared"
else
# Mac OS X differentiates between shared libs (-dynamiclib)
# and loadable modules (-bundle).
MODLINK="-bundle -flat_namespace -undefined suppress"
# TODO test if -twolevel_namespace and/or
# -undefined dynamic_lookup work
# (dynamic_lookup might only work on 10.4 and later)
fi
if test "x$PERL" != xno -o "x$PYTHON" != xno; then
old_USESWIG="$USESWIG"
if test "x$USESWIG" != "xno"; then
AC_PROG_SWIG([1.3.40])
test -z "$SWIG" && USESWIG=no
fi
if test "x$USESWIG" = xno; then
SWIG=""
AC_MSG_WARN([$SWIG_ERROR])
if test "x$old_USESWIG" = xno; then
USESWIG="no, need manual download for perl/python bindings"
AC_MSG_WARN([swig was disabled, so you should put needed sources to modules/
Please check http://en.znc.in/wiki/Modperl or http://en.znc.in/wiki/Modpython for details.])
else
AC_MSG_ERROR([swig was not found. Try --disable-perl --disable-python, or download the necessary sources and use --disable-swig.
Please check http://en.znc.in/wiki/Modperl or http://en.znc.in/wiki/Modpython for details.])
fi
else
USESWIG=yes
fi
else
if test "x$USESWIG" = "xyes"; then
AC_MSG_WARN([swig is needed only for perl and python, but both are disabled. Disabling swig.])
fi
USESWIG=no
fi
if test "x$PERL" != "xno"; then
old_PERL="$PERL"
AC_PATH_PROG([PERL_BINARY], [perl], [])
if test -n "$PERL_BINARY" && eval "$PERL_BINARY -e'use 5.010'"; then
my_saved_LDFLAGS="$LDFLAGS"
appendLD `$PERL_BINARY -MExtUtils::Embed -e ccopts -e ldopts`
AC_CHECK_LIB(perl, perl_alloc,
[: No, we do not want autoconf to do sth automatically],
PERL="no")
LDFLAGS="$my_saved_LDFLAGS"
else
PERL="no"
fi
if test "x$PERL" = "xno"; then
ZNC_AUTO_FAIL([PERL],
[perl not found. Try --disable-perl.],
[perl was not found and thus disabled])
PERL_BINARY=""
else
PERL="yes"
fi
fi
if test "x$PYTHON" != "xno"; then
# Default value for just --enable-python
if test "x$PYTHON" = "xyes"; then
PYTHON="python3"
fi
old_PYTHON="$PYTHON"
if test -z "$PKG_CONFIG"; then
AC_MSG_ERROR([pkg-config is required for modpython.])
fi
PKG_CHECK_MODULES([python], [$PYTHON >= 3.0],, AC_MSG_ERROR([$PYTHON.pc not found or is wrong. Try --disable-python or install python3.]))
if test "x$USESWIG" = xyes; then :
PKG_CHECK_MODULES([python32], [$PYTHON >= 3.2], [PYTHON_32=yes], [PYTHON_32=no])
if test "x$PYTHON_32" = xyes; then
AC_MSG_NOTICE([python 3.2+ found, requiring newer swig.])
AC_PROG_SWIG([2.0.4])
if test -z "$SWIG"; then
AC_MSG_ERROR([$SWIG_ERROR])
fi
fi
fi
my_saved_LIBS="$LIBS"
my_saved_CXXFLAGS="$CXXFLAGS"
appendLib $python_LIBS
appendCXX $python_CFLAGS
AC_CHECK_FUNC([Py_Initialize], [], [PYTHON="no"])
if test "x$PYTHON" != "xno"; then
# Yes, modpython depends on perl.
AC_PATH_PROG([PERL_BINARY], [perl])
if test -z "$PERL_BINARY"; then
AC_MSG_ERROR([To compile modpython you need to be able to execute perl scripts. Try --disable-python or install perl.])
fi
LIBS="$my_saved_LIBS"
CXXFLAGS="$my_saved_CXXFLAGS"
else
PYTHON="no"
fi
if test "x$PYTHON" = "xno"; then
ZNC_AUTO_FAIL([PYTHON],
[python not found. Try --disable-python.],
[python was not found and thus disabled])
PYTHONCFG_BINARY=""
else
PYTHON="yes"
fi
fi
if test -n "$SASL"; then
AC_CHECK_LIB( sasl2, sasl_server_init,
[: Dont let autoconf add -lsasl2, Makefile handles that],
AC_MSG_ERROR([could not find libsasl2. Try --disable-sasl.]))
fi
# Check if we want modtcl
AC_ARG_ENABLE( [tcl],
AS_HELP_STRING([--enable-tcl], [enable modtcl]),
[TCL="$enableval"],
[TCL="no"])
AC_ARG_WITH( [tcl-flags],
AS_HELP_STRING([--with-tcl-flags=FLAGS],
[The flags needed for compiling and linking modtcl]),
[TCL_FLAGS="$withval"],)
if test x"$TCL" = "xyes"
then
AC_ARG_WITH( [tcl],
AS_HELP_STRING([--with-tcl=DIR],
[directory containing tclConfig.sh]),
TCL_DIR="${withval}")
# This will need to be extended in the future, but I don't think
# it's a good idea to stuff a shitload of random stuff in here right now
for path in $TCL_DIR /usr/lib /usr/lib/tcl8.4 /usr/lib/tcl8.5
do
file="${path}/tclConfig.sh"
AC_MSG_CHECKING([for ${file}])
if test -r ${file}
then
TCL_CONF=${file}
AC_MSG_RESULT([yes])
break
fi
AC_MSG_RESULT([no])
done
if test x"${TCL_CONF}" = x
then
# They --enable-tcl'd, so give them some sane default
TCL_FLAGS="-I/usr/include/tcl -ltcl"
AC_MSG_WARN([Could not find tclConfig.sh, using some sane defaults.])
else
AC_MSG_CHECKING([modtcl flags])
. ${TCL_CONF}
# eval because those vars depend on other vars in there
eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""
eval "TCL_INCLUDE_SPEC=\"${TCL_INCLUDE_SPEC}\""
TCL_FLAGS="$TCL_INCLUDE_SPEC $TCL_LIB_SPEC"
AC_MSG_RESULT([$TCL_FLAGS])
fi
my_saved_LIBS="$LIBS"
appendLib "$TCL_FLAGS"
AC_CHECK_FUNC([Tcl_CreateInterp], [TCL_TEST=yes], [TCL_TEST=no])
if test x"$TCL_TEST" = "xno"; then
AC_MSG_ERROR([tcl not found, try --disable-tcl, or install tcl properly. If tcl is installed to a non-standard path, use --enable-tcl --with-tcl=/path])
fi
LIBS="$my_saved_LIBS"
fi
if test x"$EXTRA" = "xyes"
then
AC_CHECK_FUNC( iconv, CHARSET=1 )
AC_CHECK_LIB( iconv, iconv_open, LIBICONV=-liconv ; CHARSET=1 )
if test "x$CHARSET" = "x1"
then
AC_MSG_CHECKING([whether iconv expects a const second argument])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#include <iconv.h>
]], [[
const char input[] = "X"; const char *inptr = input; size_t inbytes = 1;
char buf[1]; char *outptr = buf; size_t outbytes = 1;
iconv_t ic = iconv_open("ISO8859-1", "UTF8");
iconv(ic, (char**)&inptr, &inbytes, &outptr, &outbytes);
]])], [
AC_MSG_RESULT([no])
appendMod -DICONV_CONST=
], [
AC_MSG_RESULT([yes])
appendMod -DICONV_CONST=const
])
else
AC_MSG_WARN([libiconv was not found, disabling the charset module])
fi
fi
AC_CACHE_CHECK([for GNU make], [ac_cv_path_GNUMAKE], [
AC_PATH_PROGS_FEATURE_CHECK([GNUMAKE], [make gmake], [[
if $ac_path_GNUMAKE --version | $GREP GNU > /dev/null; then
ac_cv_path_GNUMAKE=$ac_path_GNUMAKE
ac_path_GNUMAKE_found=:
fi
]], [AC_MSG_ERROR([could not find GNU make])]
)
])
GNUMAKE_DIRNAME=`AS_DIRNAME(["$ac_cv_path_GNUMAKE"])`
GNUMAKE=`echo $ac_cv_path_GNUMAKE | $SED "s%$GNUMAKE_DIRNAME/%%"`
AC_SUBST([CXXFLAGS])
AC_SUBST([CPPFLAGS])
AC_SUBST([MODFLAGS])
AC_SUBST([LDFLAGS])
AC_SUBST([LIBS])
AC_SUBST([LIBZNC])
AC_SUBST([LIBZNCDIR])
AC_SUBST([MODLINK])
AC_SUBST([NOSSL])
AC_SUBST([EXTRA])
AC_SUBST([TCL_FLAGS])
AC_SUBST([SASL])
AC_SUBST([CHARSET])
AC_SUBST([LIBICONV])
AC_SUBST([MODDIR])
AC_SUBST([DATADIR])
AC_SUBST([PERL])
AC_SUBST([PYTHON])
AC_SUBST([SWIG])
AC_SUBST([python_CFLAGS])
AC_SUBST([python_LIBS])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([znc-config])
AC_CONFIG_FILES([znc-buildmod])
AC_CONFIG_FILES([man/Makefile])
AC_CONFIG_FILES([znc.pc])
AC_CONFIG_FILES([znc-uninstalled.pc])
AC_CONFIG_FILES([modules/Makefile])
AC_CONFIG_FILES([test/Makefile])
AC_OUTPUT
echo
echo ZNC AC_PACKAGE_VERSION configured
echo
echo "prefix: $prefix"
echo "debug: $DEBUG"
echo "ipv6: $IPV6"
echo "openssl: $SSL"
echo "c-ares: $ARES"
echo "perl: $PERL"
echo "python: $PYTHON"
echo "swig: $USESWIG"
if test x"$SASL" = "x" ; then
echo "sasl: no"
else
echo "sasl: yes"
fi
echo "extra: $EXTRA"
if test x"$TCL_FLAGS" = "x" ; then
echo "tcl: no"
else
echo "tcl: yes"
fi
if test x"$CHARSET" = "x" ; then
echo "charset: no"
else
echo "charset: yes"
fi
echo "run from src: $RUNFROMSOURCE"
echo
echo "Now you can run \"$GNUMAKE\" to compile ZNC"