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configure.ac
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configure.ac
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dnl configure.ac for freeciv
dnl Process this file with autoconf to produce a configure script.
AC_INIT([Freeciv], m4_esyscmd([./fc_version | tr -d '\n']),
[https://redmine.freeciv.org/projects/freeciv],
[freeciv], [https://www.freeciv.org/])
AC_PREREQ(2.69)
if test "x$(pwd)" = "x$(cd $srcdir && pwd)" ; then
AC_MSG_ERROR([Attempted to configure source directory. You have to use separate build dir])
fi
dnl Initialize with some random file to ensure the source is here.
AC_CONFIG_SRCDIR([common/game.c])
AC_CONFIG_AUX_DIR(bootstrap) # This can't be quoted or automake will fail
AC_CONFIG_MACRO_DIR([m4])
ifdef([AC_CONFIG_MACRO_DIRS],[AC_CONFIG_MACRO_DIRS([dependencies/m4])])
AC_CONFIG_HEADERS([gen_headers/fc_config.h gen_headers/freeciv_config.h gen_headers/liblua_config.h])
AC_CANONICAL_HOST
AC_USE_SYSTEM_EXTENSIONS
AC_C_BIGENDIAN
AC_SYS_LARGEFILE
dnl AC_SYS_YEAR2038() added in autoconf-2.72
m4_ifdef([AC_SYS_YEAR2038],
[AC_SYS_YEAR2038])
BUG_URL="$PACKAGE_BUGREPORT"
MAIL_ADDRESS="freeciv-dev AT freelists.org"
dnl Explain fc_config.h to end users (e.g., on Windows)
AH_TOP(
[/* This header file is shipped in some binary distributions.
* It is included purely for reference as to how the executables were built,
* and changing it will have no functional effect on pre-built binaries. */])
AC_DEFINE(FC_CONFIG_H, 1, [Configuration autogenerated])
AC_DEFINE_UNQUOTED([BUG_URL], ["$BUG_URL"], [Bug reporting URL])
AC_SUBST([BUG_URL])
AC_SUBST([MAIL_ADDRESS])
dnl client/server should always have the same major and minor versions
dnl different patch versions are compatible
VERSION_SCRIPT_SILENT=yes
m4_include(fc_version)
AC_ARG_VAR([FREECIV_LABEL_FORCE], [Forced version label format])
dnl Logical place for this would be m4/qt.m4, but autoupdate can't
dnl handle AC_ARG_VAR() outside configure.ac
AC_ARG_VAR([MOCCMD], [QT moc command (autodetected if not set)])
AC_DEFINE_UNQUOTED([MAJOR_VERSION], [$MAJOR_VERSION], [Major version])
AC_DEFINE_UNQUOTED([MINOR_VERSION], [$MINOR_VERSION], [Minor version])
AC_DEFINE_UNQUOTED([PATCH_VERSION], [$PATCH_VERSION], [Patch version])
if test x$EMERGENCY_VERSION != x ; then
AC_DEFINE_UNQUOTED([EMERGENCY_VERSION], [$EMERGENCY_VERSION], [Emergency version])
fi
AC_DEFINE_UNQUOTED([VERSION_LABEL], ["${VERSION_LABEL}"], [Version label])
AC_DEFINE_UNQUOTED([VERSION_STRING], ["${VERSION_STRING}"], [Version string])
AC_DEFINE_UNQUOTED([IS_DEVEL_VERSION], [$IS_DEVEL_VERSION], [Is this a devel version])
AC_DEFINE_UNQUOTED([IS_FREEZE_VERSION], [$IS_FREEZE_VERSION], [Is this a frozen version])
AC_DEFINE_UNQUOTED([IS_BETA_VERSION], [$IS_BETA_VERSION], [Is this a beta version])
AC_DEFINE_UNQUOTED([NEXT_STABLE_VERSION], ["$NEXT_STABLE_VERSION"], [Version number of next release])
AC_DEFINE_UNQUOTED([FREECIV_RELEASE_MONTH], [$RELEASE_MONTH], [Month next version will be released])
AC_SUBST([MAJOR_VERSION])
AC_SUBST([MINOR_VERSION])
dnl In practice, this matches the branch
AC_SUBST([MAIN_VERSION])
AC_DEFINE_UNQUOTED([DATASUBDIR],
["$DATASUBDIR"],
[Version specific subdir for default data path])
AC_SUBST([DATASUBDIR])
AC_DEFINE_UNQUOTED([FREECIV_DISTRIBUTOR], ["$FREECIV_DISTRIBUTOR"],
[Distribution this freeciv is built for])
dnl Initialize automake stuff
AM_INIT_AUTOMAKE([subdir-objects dist-zip dist-xz])
dnl Use silent rules by default
dnl verbose build using make V=1
AM_SILENT_RULES([yes])
UTILITY_LIBS=
AC_PROG_MKDIR_P
dnl Sed is needed for the configuration
dnl of the clients, database setting and the mapimg toolkits.
AC_PROG_SED
AC_CACHE_CHECK([can we call malloc(0)], [fc_cv_malloc_zero_ok], [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
int
main()
{
void *allocation = malloc(0);
if (allocation != NULL) {
free(allocation);
}
return (allocation == NULL);
}
]])], [fc_cv_malloc_zero_ok=yes], [fc_cv_malloc_zero_ok=no], [fc_cv_malloc_zero_ok=no])])
if test "x$fc_cv_malloc_zero_ok" = "xyes" ; then
AC_DEFINE([MALLOC_ZERO_OK], [1], [It's ok to call malloc() for zero bytes])
fi
dnl set default values
fcdb_all=no
fcdb_mysql=no
fcdb_odbc=no
fcdb_postgres=no
fcdb_sqlite3=no
AC_ARG_ENABLE([ack-legacy],
AS_HELP_STRING([--enable-ack-legacy],
[acknowledge that using autotools to build freeciv is a legacy system]),
[case "${enableval}" in
yes) ack_legacy=yes ;;
no) ack_legacy=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-ack-legacy) ;;
esac], [ack_legacy=no])
if test "x$ack_legacy" != "xyes" ; then
AC_MSG_ERROR([Recommended build system for freeciv is meson. See doc/INSTALL.meson.
To still build with autotools, configure with --enable-ack-legacy option.])
fi
dnl checks for databases
dnl all: Autodetect as many as possible [default].
dnl mysql: use mysql database
dnl odbc: use odbc database
dnl postgres: use postgres database
dnl comma-separated-list: Detect these or abort.
AC_ARG_ENABLE([fcdb],
AS_HELP_STRING([--enable-fcdb[=no/all/mysql/odbc/postgres/sqlite3]],
[database backends [sqlite3](no, or list)]),
[databases=${enableval}],
[databases=sqlite3])
for db in $(echo $databases | $SED 's/,/ /g') ; do
if test "x$db" = "xall" ; then
fcdb_all=yes
elif test "x$db" = "xno" ; then
fcdb_all=no
elif test "x$db" = "xmysql" ; then
fcdb_mysql=yes
elif test "x$db" = "xodbc" ; then
fcdb_odbc=yes
elif test "x$db" = "xpostgres" ; then
fcdb_postgres=yes
elif test "x$db" = "xsqlite3" ; then
fcdb_sqlite3=yes
else
AC_MSG_ERROR([bad value ${db} for --enable-fcdb])
fi
done
AC_ARG_ENABLE([fcmp],
AS_HELP_STRING([--enable-fcmp=no/yes/gtk3/gtk4/gtk4x/qt/cli/all/auto], [build freeciv-modpack-program [auto]]),
[fc_mp=${enableval}],
[fc_mp=auto])
fcmp_cli=no
fcmp_gtk3=no
fcmp_gtk4=no
fcmp_gtk5=no
fcmp_qt=no
fcmp_list=
if test "x$fc_mp" = "xcli" ; then
dnl Only cli requested -> no gui needed
modinst=cli
fi
for mp in $(echo $fc_mp | $SED 's/,/ /g') ; do
if test "x$mp" = "xno" ; then
modinst=no
elif test "x$mp" = "xauto" || test "x$mp" = "xyes" ; then
modinst=auto
elif test "x$mp" = "xall" ; then
modinst=all
elif test "x$mp" = "xgtk3" ||
test "x$mp" = "xgtk3.0" ||
test "x$mp" = "xgtk30" ||
test "x$mp" = "xgtk-3.0" ; then
req_fcmp_gtk3=yes
elif test "x$mp" = "xgtk4" ; then
req_fcmp_gtk4=yes
elif test "x$mp" = "xgtk4x" ; then
req_fcmp_gtk5=yes
elif test "x$mp" = "xqt" ; then
req_fcmp_qt=yes
elif test "x$mp" = "xcli" ; then
req_fcmp_cli=yes
elif test "x$mp" != "xyes" ; then
AC_MSG_ERROR([bad value ${mp} for --enable-fcmp])
fi
done
if test "x$modinst" != "xno" || test "x$fcdb_sqlite3" != "xno" ; then
dnl Not needed in in builds where both users - fcdb and fcmp - are disabled
FC_CHECK_SQLITE3([], [AC_MSG_ERROR([sqlite3 development files not found])])
fi
dnl checks for database mysql
dnl sets FCDB_MYSQL(conditional), FCDB_MYSQL_CFLAGS
FC_FCDB_MYSQL
dnl checks for database odbc
dnl sets FCDB_ODBC(conditional), FCDB_ODBC_CFLAGS
FC_FCDB_ODBC
dnl checks for database postgres
dnl sets FCDB_POSTGRES(conditional), FCDB_POSTGRES_CFLAGS
FC_FCDB_POSTGRES
dnl checks for database sqlite3
dnl sets FCDB_SQLITE3(conditional), FCDB_SQLITE3_CFLAGS
FC_FCDB_SQLITE3
dnl check if a database backend is available
if test "x$fcdb_mysql" = "xyes" || test "x$fcdb_odbc" = "xyes" \
|| test "x$fcdb_postgres" = "xyes" || test "x$fcdb_sqlite3" = "xyes"; then
enable_fcdb=yes
AC_DEFINE([HAVE_FCDB], [1], [Database backend available])
else
enable_fcdb=no
fi
AM_CONDITIONAL([FCDB_DB], [test "x$enable_fcdb" = "xyes"])
dnl no=do not compile server, yes=compile server, *=error
AC_ARG_ENABLE([server],
AS_HELP_STRING([--disable-server], [do not compile the server]),
[case "${enableval}" in
yes) server=yes ;;
no) server=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-server) ;;
esac], [server=yes])
AM_CONDITIONAL(SERVER, test x$server = xyes)
ruledit_uuid=""
dnl Host type variable defaults
MINGW=no
HAIKU=no
dnl Settings specific to host OS
case "$host_os" in
*mingw*)
dnl Windows-specific settings
MINGW=yes
FC_WINSOCK2_INCLUDE([AC_DEFINE([FREECIV_HAVE_WINSOCK2], [1], [Mingw-specific setting - winsock2])])
AC_DEFINE([FREECIV_HAVE_WINSOCK], [1], [Mingw-specific setting - winsock])
AC_CHECK_HEADERS([ws2tcpip.h], [AC_DEFINE([FREECIV_HAVE_WS2TCPIP_H], [1], [ws2tcpip.h available])])
AC_CHECK_HEADERS([direct.h])
dnl Without WINSOCK2, use: LIBS="$LIBS -lwsock32"
LIBS="${LIBS} -lws2_32"
ruledit_uuid="-luuid"
;;
*haiku*)
HAIKU=yes
LIBS="$LIBS -lnetwork"
;;
esac
dnl Networking headers
AC_CHECK_HEADERS([sys/types.h], [AC_DEFINE([FREECIV_HAVE_SYS_TYPES_H], [1], [sys/types.h available])])
dnl Avoid including the unix emulation layer if we build mingw executables
dnl There would be type conflicts between winsock and bsd/unix includes
if test "x$MINGW" != "xyes"; then
AC_CHECK_HEADERS([sys/socket.h], [AC_DEFINE([FREECIV_HAVE_SYS_SOCKET_H], [1], [sys/socket.h available])])
fi
dnl Check getaddrinfo just once here, and remember the result
AC_CHECK_FUNCS([getaddrinfo], [have_getaddrinfo=yes], [
AC_MSG_CHECKING([getaddrinfo() as a macro])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#ifdef FREECIV_HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif], [getaddrinfo(NULL, NULL, NULL, NULL);])], [
AC_MSG_RESULT([yes])
have_getaddrinfo=yes
AC_DEFINE([HAVE_GETADDRINFO])], [AC_MSG_RESULT([no])])])
dnl yes - Support for IPv6 required
dnl no - Legacy IPv4 support
dnl test - Try to enable IPv6 support
AC_ARG_ENABLE([ipv6],
AS_HELP_STRING([--enable-ipv6=yes/no/test], [use IPv6 [test]]),
[case "${enableval}" in
yes|no|test) ipv6=${enableval} ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-ipv6) ;;
esac], [ipv6=yes])
if test x$ipv6 != xno ; then
if test "x$have_getaddrinfo" = "xyes" ; then
enable_ipv6=yes
AC_CHECK_FUNCS([inet_pton], [],
[AC_MSG_CHECKING([inet_pton() as a macro])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#ifdef FREECIV_HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif], [inet_pton(0, NULL, NULL);])], [
AC_MSG_RESULT([yes])], [enable_ipv6=no])])
AC_CHECK_FUNCS([inet_ntop], [],
[AC_MSG_CHECKING([inet_ntop() as a macro])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#ifdef FREECIV_HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif], [inet_ntop(0, NULL, NULL, 0);])], [
AC_MSG_RESULT([yes])], [enable_ipv6=no])])
AC_CHECK_FUNCS([getnameinfo], [],
[AC_MSG_CHECKING([getnameinfo() as a macro])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#ifdef FREECIV_HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif], [getnameinfo(NULL, 0, NULL, 0, NULL, 0, 0);])], [
AC_MSG_RESULT([yes])], [enable_ipv6=no])])
else
enable_ipv6=no
fi
if test x$enable_ipv6 = xyes ; then
AC_MSG_CHECKING([for AF_INET6])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef FREECIV_HAVE_WINSOCK2
#include <winsock2.h>
#endif
#ifdef FREECIV_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef FREECIV_HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif]], [[return AF_INET6;]])], [AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
enable_ipv6=no])
fi
if test x$enable_ipv6 = xno && test x$ipv6 = xyes ; then
AC_MSG_ERROR([Cannot enable IPv6 functionality. If you want to allow build without IPv6, try --enable-ipv6=test or --disable-ipv6])
fi
if test x$enable_ipv6 = xyes ; then
AC_DEFINE([FREECIV_IPV6_SUPPORT], [1], [IPv6 Support built in])
fi
fi
AC_ARG_WITH([project-definition],
AS_HELP_STRING([--with-project-definition=file], [use given project definition file]),
[project_definition="${withval}"
project_definition_dyn_rel="\$(top_builddir)/${withval}"],
[project_definition="${srcdir}/bootstrap/freeciv.project"
project_definition_dyn_rel="\$(top_srcdir)/bootstrap/freeciv.project"])
. ${project_definition}
if test "x$HOMEPAGE_URL" = "x" ; then
AC_MSG_ERROR([${project_definition} did not define HOMEPAGE_URL])
fi
AC_DEFINE_UNQUOTED([DEFAULT_SOCK_PORT], [$FREECIV_DEFAULT_PORT], [Connection TCP Port])
AC_DEFINE_UNQUOTED([FREECIV_JSON_PORT], [$FREECIV_JSON_PORT], [Json Connection TCP Port])
AC_DEFINE_UNQUOTED([FREECIV_META_URL], ["$META_URL"], [Metaserver URL])
AC_DEFINE_UNQUOTED([HOMEPAGE_URL], ["$HOMEPAGE_URL"], [Informational URL])
if test "x$MODPACK_LIST_URL" != "x" ; then
AC_DEFINE_UNQUOTED([MODPACK_LIST_URL], ["${MODPACK_LIST_URL}"], [Default modpack list URL])
fi
AC_SUBST([HOMEPAGE_URL])
AC_ARG_WITH([readline],
AS_HELP_STRING([--with-readline], [support fancy command line editing]),
[WITH_READLINE=$withval], dnl yes/no - required to use / never use
[WITH_READLINE="maybe"] dnl maybe - use if found [default]
)
AC_ARG_WITH([iconv],
AS_HELP_STRING([--without-iconv], [disable check for iconv]),
[if test x$withval = xno ; then
iconv_disabled=true
fi])
FOLLOWTAG=${DEFAULT_FOLLOW_TAG}
AC_ARG_WITH([followtag],
AS_HELP_STRING([--with-followtag], [version tag to follow]),
[FOLLOWTAG=${withval}])
AC_DEFINE_UNQUOTED([FOLLOWTAG], ["${FOLLOWTAG}"], [Version tag to follow])
AC_ARG_WITH([desktopdir],
AS_HELP_STRING([--with-desktopdir], [install desktop files to given dir]),
[ DESKTOPDIR=${withval} ], [ DESKTOPDIR="\$(prefix)/share/applications" ])
AC_SUBST([DESKTOPDIR])
AC_ARG_WITH([metainfodir],
AS_HELP_STRING([--with-metainfodir], [install metainfo files to given dir]),
[ METAINFODIR=${withval} ], [ METAINFODIR="\$(prefix)/share/metainfo" ])
AC_SUBST([METAINFODIR])
dnl try to support this development version's previous save games formats
AC_ARG_ENABLE([dev-save-compat],
AS_HELP_STRING([--enable-dev-save-compat=yes/no],
[enable development version save game compatibility]),
[case "${enableval}" in
yes) dev_save_compat=1 ;;
no) dev_save_compat=0 ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-dev-save-compat]) ;;
esac],
[dev_save_compat=$IS_DEVEL_VERSION])
AS_IF([test $dev_save_compat != 0],
[AC_DEFINE([FREECIV_DEV_SAVE_COMPAT], [1],
[Development version save game compatibility])
AC_DEFINE([FREECIV_DEV_SAVE_COMPAT_3_3], [1],
[Development version save game compatibility - 3.3 development])])
AC_ARG_ENABLE([patient-connect],
AS_HELP_STRING([--enable-patient-connect=yes/no],
[enable client to be very patient in connecting spawned server]),
[case "${enableval}" in
yes) AC_DEFINE([FREECIV_PATIENT_CONNECT], [1],
[Client is very patient when connecting to spawned server]) ;;
no) ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-patient-connect]) ;;
esac])
dnl make it possible to disable the delta network protocol
AC_ARG_ENABLE([delta-protocol],
AS_HELP_STRING([--disable-delta-protocol],
[disable the delta network protocol]),
[case "${enableval}" in
yes|no)
enable_delta_protocol=${enableval} ;;
*)
AC_MSG_ERROR([bad value ${enableval} for --enable-delta-protocol]) ;;
esac],
[enable_delta_protocol=yes])
AS_IF([test "x$enable_delta_protocol" = "xno"], [
AC_MSG_WARN([delta network protocol is off])
AC_MSG_WARN([no network compatibility with regular Freeciv])
AC_MSG_WARN([won't be able to play with regular Freeciv])],[
AC_DEFINE([FREECIV_DELTA_PROTOCOL], [1], [Delta protocol enabled])])
dnl extra arguments for the packet generator
AC_ARG_VAR([GENERATE_PACKETS_ARGS], [Additional arguments for the packet generator])
FC_TESTMATIC
dnl no: Do not compile client.
dnl auto: Autodetect one.
dnl all: Autodetect as many as possible.
dnl comma-separated-list: Detect these or abort.
AC_ARG_ENABLE([client],
AS_HELP_STRING([--enable-client=auto/all/gtk3.22/sdl2/qt/gtk4/gtk4x/stub],
[clients to compile [auto](list for multiple)]),
[clients=${enableval}],
[client=auto])
gui_gtk3_22=no
gui_gtk4=no
gui_gtk5=no
gui_sdl2=no
gui_qt=no
gui_stub=no
for gui in $(echo $clients | $SED 's/,/ /g') ; do
if test "x$gui" = "xno" ; then
client=no
elif test "x$gui" = "xauto" || test "x$gui" = "xyes" ; then
client=auto
elif test "x$gui" = "xall" ; then
client=all
else
if test "x$gui" = "xgtk3.22" ; then
gui_gtk3_22=yes
elif test "x$gui" = "xgtk4" ; then
gui_gtk4=yes
elif test "x$gui" = "xgtk4x" ; then
gui_gtk5=yes
elif test "x$gui" = "xgtk" ; then
AC_MSG_WARN([for requested client 'gtk' enabled gtk3.22-client, that has changed since earlier versions and will change again in the future])
gui_gtk3_22=yes
else
if test ! -d "${srcdir}/client/gui-$gui" || test "$gui" = "sdl3" ; then
AC_MSG_ERROR([bad value ${gui} for --enable-client])
fi
eval "gui_$gui=yes"
fi
client=yes
fi
done
AC_ARG_WITH([zoom],
[AS_HELP_STRING([--with-zoom], [expose experimental zoom levels support on gtk-clients to user])],
[AC_DEFINE([EXP_ZOOM_LEVELS], [1], [Experimental zoom levels (other than 1.0 and 2.0)])])
AC_ARG_WITH([3d],
[AS_HELP_STRING([--with-3d], [build WIP 3D support to gtk3.22-client])],
[AC_DEFINE([GTK3_3D_ENABLED], [1], [3D support built to gtk3.22-client])
enable_3d=true])
gui_3d_libs=""
if test x$enable_3d = xtrue ; then
AC_CHECK_LIB([GL], [glBegin], [gui_3d_libs="-lGL"],
[AC_MSG_ERROR([libGL needed for 3D support not found])])
fi
AC_ARG_ENABLE([gitrev],
AS_HELP_STRING([--enable-gitrev], [get git revision to version information]),
[case "${enableval}" in
yes) gitrev=true ;;
no) gitrev=false ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-gitrev]) ;;
esac], [gitrev=false])
AM_CONDITIONAL([GITREV], [test x$gitrev = xtrue])
if test x$gitrev = xtrue ; then
AC_DEFINE([GITREV], [1], [Get git revision information to version number])
fi
AC_ARG_ENABLE([make_data],
AS_HELP_STRING([--disable-make-data], [do not recurse make into data directories]),
[case "${enableval}" in
yes) make_data=true ;;
no) make_data=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-make-data) ;;
esac], [make_data=true])
AM_CONDITIONAL(MAKE_DATA, test x$make_data = xtrue)
AC_ARG_ENABLE([make_include],
AS_HELP_STRING([--enable-make-include], [force make to recurse into include directory]),
[case "${enableval}" in
yes) make_include=true ;;
no) make_include=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-make-include) ;;
esac], [make_include=false])
AM_CONDITIONAL(MAKE_CLIENT_INCLUDE, test "$make_include" = "true")
AC_ARG_WITH([efence],
AS_HELP_STRING([--with-efence], [use Electric Fence, malloc debugger]),
WITH_EFENCE=1
)
AC_ARG_ENABLE([aimodules],
AS_HELP_STRING([--enable-aimodules=yes/no/experimental], [support for ai modules [no]]),
[case "${enableval}" in
yes) enable_aimodules=yes ;;
no) enable_aimodules=no ;;
experimental) enable_aimodules=yes
exp_aimodules=yes ;;
*) AC_MSG_ERROR([bad value ${enable_aimodules} for --enable-aimodules]) ;;
esac], [enable_aimodules=no])
aimoduledir="${libdir}/fcai"
AC_SUBST(aimoduledir)
AM_CONDITIONAL(AI_MODULES, test "x$enable_aimodules" = "xyes")
if test $enable_aimodules = yes ; then
if test x$enable_shared != xyes ; then
AC_MSG_ERROR([cannot enable ai module support if also build of shared libraries is not enabled with --enable-shared])
fi
LIBS_TMP="$LIBS"
LIBS="$LIBS -lltdl"
AC_MSG_CHECKING([whether can build modules])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <ltdl.h>]],
[[lt_dlopenext(NULL);]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([cannot build loadable AI modules as requested])])
LIBS="$LIBS_TMP"
SERVER_LIBS="${SERVER_LIBS} -lltdl"
AC_DEFINE([AI_MODULES], [1], [Enable ai modules])
CPPFLAGS="${CPPFLAGS} -DAI_MODULEDIR=\"\\\"${aimoduledir}\\\"\""
ai_mod_default_needed=yes
fi
AM_CONDITIONAL(EXP_AI_MODULES, test "x$exp_aimodules" = "xyes")
dnl Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
AC_PROG_LN_S
AC_DISABLE_SHARED
dnl AC_PROG_AR() added in autoconf-2.72
m4_ifdef([AC_PROG_AR],
[AC_PROG_AR], [AM_PROG_AR])
if test -z $AR; then
AC_MSG_ERROR([*** 'ar' missing. Install binutils, fix your \$PATH, or set \$AR manually. ***])
fi
LT_INIT
AM_PROG_CC_C_O
AC_PROG_CXX
FC_C99_TOKEN_CONCENATION
AC_CHECK_PROG(UNAME,uname,uname,:)
AC_CHECK_SIZEOF([int])
dnl Programs already checked by AM_INIT_AUTOMAKE:
dnl
dnl AC_PROG_MAKE_SET required with automake-ng
AC_PROG_MAKE_SET
dnl Check for libiconv (which is usually included in glibc, but may be
dnl distributed separately). The libcharset check must come after the
dnl iconv check. This whole thing must come before the gettext check below.
if test "x$iconv_disabled" != "xtrue" ; then
AM_ICONV
FC_LIBCHARSET
AM_LANGINFO_CODESET
if test "$am_cv_func_iconv" != yes; then
AC_MSG_ERROR([Iconv is missing. You can get libiconv from https://gnu.org/, \
or try using --with-libiconv-prefix.])
fi
LIBS="$LIBS $LIBICONV"
fi
dnl I18n support
PODOMAINS="freeciv nations ruledit"
AM_GNU_GETTEXT([external], [need-ngettext])
if test "x$USE_NLS" = "xyes" ; then
AC_DEFINE([FREECIV_ENABLE_NLS], [1], [Native language support enabled])
fi
AM_XGETTEXT_OPTION([--keyword=Q_])
AM_XGETTEXT_OPTION([--keyword=PL_:1,2])
AM_XGETTEXT_OPTION([--language=C])
AM_XGETTEXT_OPTION([--escape])
AM_XGETTEXT_OPTION([--add-comments="TRANS:"])
AM_XGETTEXT_OPTION([--from-code=UTF-8])
PKG_PROG_PKG_CONFIG
if test "x$PKG_CONFIG" = "x" ; then
AC_MSG_ERROR([pkg-config not found])
fi
PKG_CHECK_MODULES([CURL_MIME_API], [libcurl > 7.56.0],
[UTILITY_CFLAGS="${UTILITY_CFLAGS} ${CURL_MIME_API_CFLAGS}"
UTILITY_LIBS="${UTILITY_LIBS} ${CURL_MIME_API_LIBS}"
AC_DEFINE([HAVE_CURL_MIME_API], [1], [libcurl has the mime api])],
[PKG_CHECK_MODULES([CURL], [libcurl >= 7.15.4],
[UTILITY_CFLAGS="${UTILITY_CFLAGS} ${CURL_CFLAGS}"
UTILITY_LIBS="${UTILITY_LIBS} ${CURL_LIBS}"],
[AC_MSG_ERROR([libcurl development files required])])])
AC_ARG_ENABLE([xml-registry],
AS_HELP_STRING([--enable-xml-registry], [build xml-backend for registry (WIP)]),
[case "${enableval}" in
yes) XMLREGISTRY=yes ;;
no) XMLREGISTRY=no ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-xml-registry]) ;;
esac], [XMLREGISTRY=no])
if test "x$XMLREGISTRY" = "xyes" ; then
PKG_CHECK_MODULES([LIBXML2], [libxml-2.0],,
[AC_MSG_ERROR([libxml2 development files required])])
UTILITY_CFLAGS="${UTILITY_CFLAGS} ${LIBXML2_CFLAGS}"
UTILITY_LIBS="${UTILITY_LIBS} ${LIBXML2_LIBS}"
AC_DEFINE([FREECIV_HAVE_XML_REGISTRY], [1], [Build xml-backend for registry])
fi
PKG_CHECK_MODULES([ICU], [icu-uc],,
[AC_MSG_ERROR([icu development files not found. Adjusting PKG_CONFIG_PATH may help])])
UTILITY_CFLAGS="${UTILITY_CFLAGS} ${ICU_CFLAGS}"
UTILITY_LIBS="${UTILITY_LIBS} ${ICU_LIBS}"
dnl Should we build Qt5 versions of Qt programs?
dnl This needs to be before C++ compiler check FC_WORKING_CXX, and
dnl that in turn needs to be before FC_DEBUG that will depend on compiler
dnl when setting compiler flags.
AC_ARG_WITH([qtver],
AS_HELP_STRING([--with-qtver], [which Qt version to build against qt5/qt6/qt6x]),
[case "${withval}" in
qt5|Qt5) qt_ver="Qt5" ;;
qt6|Qt6) qt_ver="Qt6" ;;
qt6x|Qt6x) qt_ver="Qt6x" ;;
*) AC_MSG_ERROR([bad value ${enableval} for --with-qtver]) ;;
esac], [qt_ver="Qt6"])
if test "x$qt_ver" = "xQt5" ; then
AC_DEFINE([FC_QT5_MODE], [1], [this is Qt5 based build])
elif test "x$qt_ver" = "xQt6x" ; then
AC_DEFINE([FC_QT6X_MODE], [1], [this is build based on current Qt6 version])
fi
FC_WORKING_CXX
dnl Set debug flags supported by compiler
EXTRA_DEBUG_CFLAGS=""
EXTRA_DEBUG_CXXFLAGS=""
EXTRA_DEBUG_LDFLAGS=""
dnl check debugging
FC_DEBUG
dnl check profiling
FC_GPROF
dnl Detect flags to be used in configure tests that should fail on warnings
WERROR_C_TEST_FLAGS=""
WERROR_CXX_TEST_FLAGS=""
FC_C_FLAGS([-Werror -Wall], [], [WERROR_C_TEST_FLAGS])
FC_CXX_FLAGS([-Werror -Wall], [], [WERROR_CXX_TEST_FLAGS])
FC_C99_VARIADIC_MACROS
FC_C99_VARIABLE_ARRAYS
FC_C99_INITIALIZERS
FC_C99_COMPOUND_LITERALS
FC_C99_STDINT_H
FC_C99_VA_COPY
FC_INITIALIZER_BRACES
FC_C11_STATIC_ASSERT
FC_C11_AT_QUICK_EXIT
FC_STATIC_STRLEN
FC_C23_NULLPTR
FC_CXX11_STATIC_ASSERT
FC_CXX11_NULLPTR
FC_CXX20_CAPTURE_THIS
_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $WERROR_C_TEST_FLAGS"
FC_SIZE_T_FORMAT
FC_BUILTIN_UNREACHABLE
CFLAGS="$_CFLAGS"
dnl BeOS-specific settings
if test x`$UNAME -s` = xBeOS ; then
AC_DEFINE([FREECIV_SOCKET_ZERO_NOT_STDIN], [1], [BeOS-specific setting])
CFLAGS="$CFLAGS -Wno-multichar"
LDFLAGS="$LDFLAGS -x none"
if test x$enable_debug = xyes ; then
CFLAGS="$CFLAGS -gdwarf-2"
LDFLAGS="$LDFLAGS -gdwarf-2"
fi
# We used to set ARFLAGS here, but under recent versions of automake this
# broke compilation on other systems. Setting ARFLAGS shouldn't be
# necessary with a working automake.
fi
dnl Defaults to override with host specific values
HOST_PATH_SEPARATOR=":"
HOST_DIR_SEPARATOR="/"
dnl Settings specific to host OS
case "$host_os" in
*mingw*)
dnl Windows-specific settings
AC_CHECK_TOOL([WINDRES], [windres])
if test -z $WINDRES; then
AC_MSG_ERROR([*** 'windres' missing. Install binutils, fix your \$PATH, or set \$WINDRES manually. ***])
fi
HOST_PATH_SEPARATOR=";"
HOST_DIR_SEPARATOR="\\"
FREECIV_STORAGE_DIR_ESC=$(echo $FREECIV_STORAGE_DIR | $SED 's,/,\\\\\\\\,g')
FREECIV_STORAGE_DIR=$(echo $FREECIV_STORAGE_DIR | $SED 's,/,\\\\,g')
AC_DEFINE([FREECIV_SOCKET_ZERO_NOT_STDIN], [1], [Mingw-specific setting - stdin])
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - Mingw])
AC_DEFINE([FREECIV_MSWINDOWS], [1], [Windows build])
AC_DEFINE([NONBLOCKING_SOCKETS], [1], [nonblocking sockets support])
;;
*skyos*)
dnl SkyOS specific settings
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - SkyOS])
;;
*haiku*)
dnl Haiku specific settings
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - Haiku])
;;
*amigaos*)
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - Amiga])
;;
esac
dnl Autoconf provides path separator for build system.
dnl Use that instead of our own guess in case of native build.
dnl Actually; Don't, since at least with autoconf-2.69 msys2 builds got wrong separator this way
dnl if test x$build = x$host ; then
dnl HOST_PATH_SEPARATOR=$PATH_SEPARATOR
dnl fi
AC_DEFINE_UNQUOTED([FREECIV_STORAGE_DIR], ["$FREECIV_STORAGE_DIR"], [Location for freeciv to store its information])
AC_ARG_WITH([localedir],
AS_HELP_STRING([--with-localedir], [directory where produced binaries will look locales from]),
[LOCALEDIR="${withval}"],
[LOCALEDIR=""])
dnl note this has to match the path installed by translations/*/Makefile
if test "x$LOCALEDIR" != "x" ; then
CPPFLAGS="$CPPFLAGS -DLOCALEDIR=\"\\\"$LOCALEDIR\\\"\""
elif test "x$MINGW" != "xyes"; then
CPPFLAGS="$CPPFLAGS -DLOCALEDIR=\"\\\"$localedir\\\"\""
else
AC_DEFINE_UNQUOTED([LOCALEDIR], [".\\\\share\\\\locale"], [Locale directory (windows)])
fi
CPPFLAGS="$CPPFLAGS -DBINDIR=\"\\\"$bindir\\\"\""
COMMON_LIBS="${COMMON_LIBS} -lm"
dnl Check for zlib
AC_CHECK_LIB([z], [gzgets],
[AC_DEFINE([FREECIV_HAVE_LIBZ], [1], [zlib is available])
UTILITY_LIBS="${UTILITY_LIBS} -lz"
COMMON_LIBS="$COMMON_LIBS -lz"],
AC_MSG_ERROR([Could not find zlib library.]))
AC_CHECK_HEADER([zlib.h], [],
AC_MSG_ERROR([zlib found but not zlib.h.
You may need to install a zlib devel package.]))
AC_PATH_PROG(GZIP, gzip, "no")
if test "$GZIP" = "no"; then
AC_MSG_ERROR([You need the gzip program for compilation.])
fi
dnl Check for bzip2 compression
AC_ARG_WITH([libbz2],
AS_HELP_STRING([--with-libbz2], [support bzip2 compressed files [if possible]]),
[WITH_BZ2="${withval}"],
[WITH_BZ2="test"])
if test "x$WITH_BZ2" != xno ; then
AC_CHECK_LIB([bz2], [BZ2_bzReadOpen],
[AC_CHECK_HEADERS([bzlib.h],
[AC_DEFINE([FREECIV_HAVE_LIBBZ2], [1], [libbzip2 is available])
UTILITY_LIBS="${UTILITY_LIBS} -lbz2"
libbz2_available=true])])
if test "x$libbz2_available" != "xtrue" ; then
if test "x$WITH_BZ2" = "xyes" ; then
AC_MSG_ERROR([Could not find libbz2 devel files])
fi
feature_bz2=missing
fi
fi
dnl Check for xz compression
AC_ARG_WITH([liblzma],
AS_HELP_STRING([--with-liblzma], [support xz compressed files [if possible]]),
[WITH_XZ="${withval}"],
[WITH_XZ="test"])
if test "x$WITH_XZ" != xno ; then
AC_CHECK_LIB([lzma], [lzma_code],
[AC_CHECK_HEADERS([lzma.h],
[AC_DEFINE([FREECIV_HAVE_LIBLZMA], [1], [liblzma is available])
UTILITY_LIBS="${UTILITY_LIBS} -llzma"
libxz_available=true])])
if test "x$libxz_available" != "xtrue" ; then
if test "x$WITH_XZ" = "xyes" ; then
AC_MSG_ERROR([Could not find liblzma devel files])
fi
feature_xz=missing
fi
fi
dnl Check for zstd compression
AC_ARG_WITH([libzstd],
AS_HELP_STRING([--with-libzstd], [support zstd compressed files [if possible]]),
[WITH_ZSTD="${withval}"],
[WITH_ZSTD="test"])
if test "x$WITH_ZSTD" != xno ; then
AC_CHECK_LIB([zstd], [ZSTD_compress],
[AC_CHECK_HEADERS([zstd.h],
[AC_DEFINE([FREECIV_HAVE_LIBZSTD], [1], [libzstd is available])
UTILITY_LIBS="${UTILITY_LIBS} -lzstd"
libzstd_available=true])])
if test "x$libzstd_available" != "xtrue" ; then
if test "x$WITH_ZSTD" = "xyes" ; then
AC_MSG_ERROR([Could not find libzstd devel files])
fi
feature_zstd=missing
fi
fi
dnl set default values
mapimg_all=auto
mapimg_magickwand=no
dnl map images
dnl all: Autodetect as many as possible [default].
dnl no: No additional toolkits.
dnl magickwand: compile magickwand (imagemagick) support.
dnl comma-separated-list: Detect these or abort.
AC_ARG_ENABLE([mapimg],
AS_HELP_STRING([--enable-mapimg=no/auto/magickwand],
[additional map image toolkits to compile [auto](no, or list)]),
[toolkits=${enableval}],
[enable_mapimg=auto])
for toolkit in $(echo $toolkits | $SED 's/,/ /g') ; do
if test "x$toolkit" = "xauto" ; then
enable_mapimg=auto
elif test "x$toolkit" = "xno" ; then
enable_mapimg=no
else
enable_mapimg=selected
fi
if test "x$toolkit" = "xmagickwand" ; then
mapimg_magickwand=yes
fi
done
dnl checks for MagickWand mapimg support
dnl sets MAPIMG_WAND_CFLAGS, MAPIMG_WAND_LIBS
dnl Has to be after compression libraries detection
FC_MAPIMG_MAGICKWAND
UTILITY_LIBS="${UTILITY_LIBS} ${LTLIBINTL}"
AC_SUBST([UTILITY_CFLAGS])
AC_SUBST([UTILITY_LIBS])
AC_SUBST([COMMON_LIBS])
AC_ARG_ENABLE([crosser],
AS_HELP_STRING([--enable-crosser], [build version to be used with crosser environment]),
[case "${enableval}" in
yes) crosser=yes
AC_DEFINE([CROSSER], [1], [this is crosser based build])
AC_DEFINE([FREECIV_CROSSER], [1], [this is crosser based build]) ;;
no) crosser=no ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-crosser]) ;;
esac], [crosser=no])
if test x$crosser = xyes && test x$MINGW != xyes ; then
AC_MSG_ERROR([--enable-crosser is Windows build specific option])
fi
AC_ARG_WITH([cacert-path],
AS_HELP_STRING([--with-cacert-path], [path to ca cert bundle]),
[case "${withval}" in
yes) AC_MSG_ERROR([Path must be given for --with-cacert-path]) ;;
*) custom_cacert_path="${withval}" ;;
esac])
if test "x$custom_cacert_path" != "x" ; then
AC_DEFINE_UNQUOTED([CUSTOM_CACERT_PATH], ["$custom_cacert_path"], [Path to CA cert bundle])
fi
AC_ARG_WITH([tinycthread],
AS_HELP_STRING([--with-tinycthread], [build and use tinycthread as thread implementation]),
[fctinycthr=${withval}], [fctinycthr=no])
AM_CONDITIONAL([TINYCTHREAD], [test "x$fctinycthr" = "xyes"])
dnl Check thread implementation
AC_MSG_CHECKING([for threads availability])
thread_impl_c=none
thread_impl_cpp=none
thr_libs_c11=""
thr_libs_pthread=""
CFLAGS_SAVE="${CFLAGS}"
LIBS_SAVE="${LIBS}"
if test "x$fctinycthr" = "xyes" ; then
thread_impl_c=tinycthread
thread_impl_cpp=tinycthread
fi
if test "x$thread_impl_c" = "xnone" ; then
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <threads.h>]],
[[return thrd_create(NULL, NULL, NULL);]])],
[thread_impl_c=c11])
if test "x$thread_impl_c" = "xc11" ; then
dnl Check if it works with C++ too
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <threads.h>]],
[[return thrd_create(NULL, NULL, NULL);]])],
[thread_impl_cpp=c11])
AC_LANG_POP([C++])
else
LIBS="$LIBS -lpthread"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <threads.h>]],
[[return thrd_create(NULL, NULL, NULL);]])],
[thread_impl_c=c11])