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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://www.hostedredmine.com/projects/freeciv],
[freeciv], [http://www.freeciv.org/])
AC_PREREQ(2.65)
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])
AC_CANONICAL_HOST
AC_USE_SYSTEM_EXTENSIONS
AC_C_BIGENDIAN
FC_EMSCRIPTEN
BUG_URL="$PACKAGE_BUGREPORT"
WIKI_URL="http://www.freeciv.org/"
MAIL_ADDRESS="freeciv-dev AT freelists.org"
dnl Explain fc_config.h to end users (e.g., on Windows)
AH_TOP(
[/* This header file is shipped in some binary distributions.
* It is included purely for reference as to how the executables were built,
* and changing it will have no functional effect on pre-built binaries. */])
AC_DEFINE(FC_CONFIG_H, 1, [Configuration autogenerated])
AC_DEFINE_UNQUOTED([BUG_URL], ["$BUG_URL"], [Bug reporting URL])
AC_DEFINE_UNQUOTED([WIKI_URL], ["$WIKI_URL"], [Informational URL])
AC_DEFINE([DEFAULT_SOCK_PORT], [5556], [Connection TCP Port])
AC_DEFINE([FREECIV_JSON_PORT], [6556], [Json Connection TCP Port]) dnl raw default + 1000
AC_SUBST([BUG_URL])
AC_SUBST([WIKI_URL])
AC_SUBST([MAIL_ADDRESS])
dnl client/server should always have the same major and minor versions
dnl different patch versions are compatible
VERSION_SCRIPT_SILENT=yes
m4_include(fc_version)
AC_ARG_VAR([FREECIV_LABEL_FORCE], [Forced version label format])
AC_DEFINE_UNQUOTED([MAJOR_VERSION], [$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], [$RELEASE_MONTH], [Month next version will be released])
AC_SUBST([MAJOR_VERSION])
AC_SUBST([MINOR_VERSION])
AC_DEFINE_UNQUOTED([DATASUBDIR],
["$DATASUBDIR"],
[Version specific subdir for default data path])
AC_SUBST([DATASUBDIR])
AC_DEFINE_UNQUOTED([FREECIV_DISTRIBUTOR], ["$FREECIV_DISTRIBUTOR"],
[Distribution this freeciv is built for])
dnl Initialize automake stuff
AM_INIT_AUTOMAKE([subdir-objects dist-zip dist-xz])
dnl Use silent rules by default
dnl verbose build using make V=1
AM_SILENT_RULES([yes])
UTILITY_LIBS=
AC_PROG_MKDIR_P
dnl Sed is needed for the configuration
dnl of the clients, database setting and the mapimg toolkits.
AC_PROG_SED
AC_CACHE_CHECK([for malloc(0) return value], [fc_cv_malloc_zero_ok], [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
int
main()
{
void *allocation = malloc(0);
if (allocation != NULL) {
free(allocation);
}
return (allocation == NULL);
}
]])], [fc_cv_malloc_zero_ok=true], [fc_cv_malloc_zero_ok=false], [fc_cv_malloc_zero_ok=false])])
if test "x$fc_cv_malloc_zero_ok" = "xtrue" ; then
AC_DEFINE([MALLOC_ZERO_OK], [1], [It's ok to call malloc() for zero bytes])
fi
if test "x$emscripten" != "xyes" ; then
dnl Not needed in emscripten build as both users - fcdb and fcmp - are disabled
FC_CHECK_SQLITE3([], [AC_MSG_ERROR([sqlite3 not found])])
fi
dnl set default values
fcdb_all=no
fcdb_mysql=no
fcdb_odbc=no
fcdb_postgres=no
fcdb_sqlite3=no
dnl checks for databases
dnl all: Autodetect as many as possible [default].
dnl mysql: use mysql database
dnl odbc: use odbc database
dnl postgres: use postgres database
dnl comma-separated-list: Detect these or abort.
AC_ARG_ENABLE([fcdb],
AS_HELP_STRING([--enable-fcdb[=no/all/mysql/odbc/postgres/sqlite3]],
[database backends [sqlite3](no, or list)]),
[databases=${enableval}],
[if test "x$emscripten" != "xyes" ; then
databases=sqlite3
else
databases=no
fi])
if test "x$emscripten" = "xyes" && test "x$databases" != "xno" ; then
AC_MSG_ERROR([fcdb not supported with emscripten])
fi
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 ${db} for --enable-fcdb])
fi
done
dnl checks for database mysql
dnl sets FCDB_MYSQL(conditional), FCDB_MYSQL_CFLAGS
FC_FCDB_MYSQL
dnl checks for database odbc
dnl sets FCDB_ODBC(conditional), FCDB_ODBC_CFLAGS
FC_FCDB_ODBC
dnl checks for database postgres
dnl sets FCDB_POSTGRES(conditional), FCDB_POSTGRES_CFLAGS
FC_FCDB_POSTGRES
dnl checks for database sqlite3
dnl sets FCDB_SQLITE3(conditional), FCDB_SQLITE3_CFLAGS
FC_FCDB_SQLITE3
dnl check if a database backend is available
if test "x$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)
dnl Host type variable defaults
MINGW=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="${LIBS} -lws2_32"
;;
esac
dnl Networking headers
AC_CHECK_HEADERS([sys/types.h], [AC_DEFINE([FREECIV_HAVE_SYS_TYPES_H], [1], [sys/types.h available])])
dnl Avoid including the unix emulation layer if we build mingw executables
dnl There would be type conflicts between winsock and bsd/unix includes
if test "x$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"])
. ${project_definition}
AC_DEFINE_UNQUOTED([FREECIV_META_URL], ["$META_URL"], [Metaserver URL])
if test "x$MODPACK_LIST_URL" != "x" ; then
AC_DEFINE_UNQUOTED([MODPACK_LIST_URL], ["${MODPACK_LIST_URL}"], [Default modpack list URL])
fi
AC_ARG_WITH([readline],
AS_HELP_STRING([--with-readline], [support fancy command line editing]),
WITH_READLINE=$withval, dnl yes/no - required to use / never use
WITH_READLINE="maybe" dnl maybe - use if found [default]
)
FOLLOWTAG=${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=${withval} ], [ DESKTOPDIR="\$(prefix)/share/applications" ])
AC_SUBST([DESKTOPDIR])
AC_ARG_WITH([appdatadir],
AS_HELP_STRING([--with-appdatadir], [install appdata files to given dir]),
[ APPDATADIR=${withval} ], [ APPDATADIR="\$(prefix)/share/appdata" ])
AC_SUBST([APPDATADIR])
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 $dev_save_compat != 0],
[AC_DEFINE([FREECIV_DEV_SAVE_COMPAT], [1],
[Development version save game compatibility])
AC_DEFINE([FREECIV_DEV_SAVE_COMPAT_3_1], [1],
[Development version save game compatibility - 3.1 development])])
dnl set default values
mapimg_all=auto
mapimg_magickwand=no
dnl map images
dnl all: Autodetect as many as possible [default].
dnl no: No additional toolkits.
dnl magickwand: compile magickwand (imagemagick) support.
dnl comma-separated-list: Detect these or abort.
AC_ARG_ENABLE([mapimg],
AS_HELP_STRING([--enable-mapimg=no/auto/magickwand],
[additional map image toolkits to compile [auto](no, or list)]),
[toolkits=${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
FC_MAPIMG_MAGICKWAND
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 done setting arguments for the packet generator
AC_SUBST([GENERATE_PACKETS_ARGS])
FC_WEB_OPTIONS
AC_ARG_ENABLE([fcweb],
AS_HELP_STRING([--enable-fcweb], [build fcweb version of server [false]]),
[case "${enableval}" in
yes)
fcweb=true ;;
no)
fcweb=false ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-fcweb]) ;;
esac], [fcweb=false])
FC_WEB_CLIENT
AS_IF([test "x$fcweb" = "xtrue"],
AC_SUBST([SRVBIN], [freeciv-web]),
AC_SUBST([SRVBIN], [freeciv-server]))
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/gtk3.22/sdl2/qt/stub],
[clients to compile [auto](list for multiple)]),
[clients=${enableval}],
[client=auto])
if test "x$fcweb" = "xtrue" && test "x$client" = "xauto" ; then
clients=no
fi
gui_gtk3=no
gui_gtk3_22=no
gui_gtk3x=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" ||
test "x$gui" = "xgtk3.0" ||
test "x$gui" = "xgtk30" ||
test "x$gui" = "xgtk-3.0" ; then
gui_gtk3=yes
elif test "x$gui" = "xgtk3.22" ; then
gui_gtk3_22=yes
elif test "x$gui" = "xgtk3x" ; then
gui_gtk3x=yes
elif test "x$gui" = "xgtk" ; then
AC_MSG_WARN([for requested client 'gtk' enabled gtk3-client, that has changed since earlier versions and will change again in the future])
gui_gtk3=yes
else
if test ! -d "${srcdir}/client/gui-$gui" ; 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/WIP zoom support on gtk3-clients to user])],
[AC_DEFINE([GTK3_ZOOM_ENABLED], [1], [Experimental zoom functionality exposed to user])])
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
AM_PROG_AR
if test -z $AR; then
AC_MSG_ERROR([*** 'ar' missing. Install binutils, fix your \$PATH, or set \$AR manually. ***])
fi
LT_INIT
AM_PROG_CC_C_O
AC_PROG_CXX
FC_WORKING_CXX
FC_C99_TOKEN_CONCENATION
AC_CHECK_PROG(UNAME,uname,uname,:)
AC_CHECK_SIZEOF([int])
dnl Programs already checked by AM_INIT_AUTOMAKE:
dnl
dnl AC_PROG_MAKE_SET required with automake-ng
AC_PROG_MAKE_SET
dnl Check for libiconv (which is usually included in glibc, but may be
dnl distributed separately). The libcharset check must come after the
dnl iconv check. This whole thing must come before the gettext check below.
AM_ICONV
FC_LIBCHARSET
AM_LANGINFO_CODESET
if test "$am_cv_func_iconv" != yes; then
AC_MSG_ERROR([Iconv is missing. You can get libiconv from http://gnu.org/, \
or try using --with-libiconv-prefix.])
fi
LIBS="$LIBS $LIBICONV"
dnl I18n support
ALL_LINGUAS="ar bg cs ca da de el en_GB eo es et fa fi fr ga gd he hu id it ja
ko lt nl nb pl pt pt_BR ro ru sr sv tr uk zh_CN zh_TW"
PODOMAINS="freeciv nations ruledit"
AM_GNU_GETTEXT([external], [need-ngettext])
if test "x$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$PKG_CONFIG" = "x" ; then
AC_MSG_ERROR([pkg-config not found])
fi
if test "x$emscripten" != "xyes" ; then
PKG_CHECK_MODULES([CURL], [libcurl >= 7.15.4],,
[AC_MSG_ERROR([libcurl development files required])])
UTILITY_CFLAGS="${UTILITY_CFLAGS} ${CURL_CFLAGS}"
UTILITY_LIBS="${UTILITY_LIBS} ${CURL_LIBS}"
fi
AC_ARG_ENABLE([xml-registry],
AS_HELP_STRING([--enable-xml-registry], [build xml-backend for registry (WIP)]),
[case "${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} ${LIBXML2_LIBS}"
AC_DEFINE([FREECIV_HAVE_XML_REGISTRY], [1], [Build xml-backend for registry])
fi
if test "x$emscripten" != "xyes" ; then
PKG_CHECK_MODULES([ICU], [icu-uc],,
[AC_MSG_ERROR([icu development files required])])
UTILITY_CFLAGS="${UTILITY_CFLAGS} ${ICU_CFLAGS}"
UTILITY_LIBS="${UTILITY_LIBS} ${ICU_LIBS}"
else
CFLAGS="$CFLAGS -s USE_ICU=1"
CXXFLAGS="$CXXFLAGS -s USE_ICU=1"
fi
dnl Set debug flags supported by compiler
EXTRA_DEBUG_CFLAGS=""
EXTRA_DEBUG_CXXFLAGS=""
EXTRA_DEBUG_LDFLAGS=""
dnl check debugging
FC_DEBUG
dnl check profiling
FC_GPROF
FC_C99_VARIADIC_MACROS
AC_C_VARARRAYS
if test "x$ac_cv_c_vararrays" != "xyes" ; then
AC_MSG_ERROR([A compiler supporting C99 variable arrays is required])
fi
FC_C99_INITIALIZERS
FC_C99_STDINT_H
FC_C99_INITIALIZER_BRACES
FC_C11_STATIC_ASSERT
FC_C11_AT_QUICK_EXIT
FC_STATIC_STRLEN
FC_CXX11_STATIC_ASSERT
FC_CXX11_NULLPTR
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 | $SED 's,/,\\\\,g')
AC_DEFINE([FREECIV_SOCKET_ZERO_NOT_STDIN], [1], [Mingw-specific setting - stdin])
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - Mingw])
AC_DEFINE([FREECIV_MSWINDOWS], [1], [Windows build])
AC_DEFINE([NONBLOCKING_SOCKETS], [1], [nonblocking sockets support])
;;
*skyos*)
dnl SkyOS specific settings
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - SkyOS])
;;
*haiku*)
dnl Haiku specific settings
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - Haiku])
LIBS="$LIBS -lnetwork"
;;
*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])
dnl note this has to match the path installed by translations/*/Makefile
if 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"
if test "x$emscripten" != "xyes" ; then
dnl Check for zlib
AC_CHECK_LIB([z], [gzgets],
[AC_DEFINE([FREECIV_HAVE_LIBZ], [1], [zlib is available])
UTILITY_LIBS="${UTILITY_LIBS} -lz"
COMMON_LIBS="$COMMON_LIBS -lz"],
AC_MSG_ERROR([Could not find zlib library.]))
AC_CHECK_HEADER([zlib.h], [],
AC_MSG_ERROR([zlib found but not zlib.h.
You may need to install a zlib devel package.]))
else
CFLAGS="$CFLAGS -s USE_ZLIB=1"
CXXFLAGS="$CXXFLAGS -s USE_ZLIB=1"
fi
AC_PATH_PROG(GZIP, gzip, "no")
if test "$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
UTILITY_LIBS="${UTILITY_LIBS} ${LTLIBINTL}"
AC_SUBST([UTILITY_CFLAGS])
AC_SUBST([UTILITY_LIBS])
AC_SUBST([COMMON_LIBS])
dnl Should we build experimental versions of Qt programs
AC_ARG_WITH([qt5x],
AS_HELP_STRING([--with-qt5x], [build experimental versions of Qt programs]),
[case "${withval}" in
yes) qt_ver="Qt5x"
AC_DEFINE([FC_QT6_MODE], [1], [this is Qt5x based build]) ;;
*) qt_ver="Qt5" ;;
esac], [qt_ver="Qt5"])
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]) ;;
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$fctinycthr" = "xyes"])
dnl Check thread implementation
AC_MSG_CHECKING([for threads implementation])
thread_impl=none
CFLAGS_SAVE="${CFLAGS}"
LIBS_SAVE="${LIBS}"
if test "x$fctinycthr" = "xyes" ; then
AC_DEFINE([FREECIV_HAVE_TINYCTHR], [1], [Use tinycthread as thread implementation])
thread_impl=tinycthread
AC_DEFINE([FREECIV_HAVE_THREAD_COND], [1], [Has thread condition variable implementation])
thread_cond=true
TINYCTHR_LIBS="\$(top_builddir)/dependencies/tinycthread/libtinycthread.la"
AC_SUBST([TINYCTHR_LIBS])
AC_MSG_RESULT([tinycthread])
fi
if test "x$thread_impl" = "xnone" ; then
libs_save="$LIBS"
LIBS="$LIBS -lpthread"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <threads.h>]],
[[return thrd_create(NULL, NULL, NULL);]])],
[AC_DEFINE([FREECIV_HAVE_C11_THREADS], [1], [Use C11 threads as thread implementation])
thread_impl=c11
AC_MSG_RESULT([C11])
AC_DEFINE([FREECIV_HAVE_THREAD_COND], [1], [Has thread condition variable implementation])
thread_cond=true],
[LIBS="$libs_save"])
fi
if test x$crosser != xyes && test "x$thread_impl" = "xnone" ; then
FC_C_FLAGS([-pthread], [], [CFLAGS])
FC_LD_FLAGS([-pthread], [], [LIBS])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
[[return pthread_create(NULL, NULL, NULL, NULL);]])],
[AC_DEFINE([FREECIV_HAVE_PTHREAD], [1], [Use pthreads as thread implementation])
thread_impl=pthreads
AC_MSG_RESULT([pthreads])
AC_DEFINE([FREECIV_HAVE_THREAD_COND], [1], [Has thread condition variable implementation])])
thread_cond=true
fi
if test "x$thread_impl" = "xnone" ; then
CFLAGS="$CFLAGS_SAVE"
LDFLAGS="$LDFLAGS_SAVE"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <windows.h>]],
[[CreateThread(NULL, 0, NULL, NULL, 0, NULL);]])],
[AC_DEFINE([FREECIV_HAVE_WINTHREADS], [1], [Use Windows threads as thread implementation])
thread_impl=windows
AC_MSG_RESULT([windows])])
fi
if test "x$thread_impl" = "xnone" ; then
AC_MSG_ERROR([No usable thread implementation available])
fi
if test "x$thread_cond" != "xtrue" ; then
feature_thr_cond=missing
fi
AC_ARG_ENABLE([ai-static],
AS_HELP_STRING([--enable-ai-static], [statically link listed modules to server]),
[static_modules="${enableval}"],
[if test "x$thread_cond" = "xtrue" ; then
static_modules="classic,tex"
else
static_modules="classic"
fi])
ai_mod_static_classic=no
ai_mod_static_threaded=no
ai_mod_static_tex=no
ai_mod_static_stub=no
for module in $(echo $static_modules | $SED 's/,/ /g') ; do
if test "x$module" = "xclassic" ; then
ai_mod_static_classic=yes
ai_mod_default_needed=yes
AC_DEFINE([AI_MOD_STATIC_CLASSIC], [1],
[classic ai module statically linked])
elif test "x$module" = "xthreaded" ; then
ai_mod_static_threaded=yes
ai_mod_default_needed=yes
AC_DEFINE([AI_MOD_STATIC_THREADED], [1],
[threaded ai module statically linked])
elif test "x$module" = "xtex" ; then
ai_mod_static_tex=yes
ai_mod_default_needed=yes
AC_DEFINE([AI_MOD_STATIC_TEX], [1],
[experimental threads ai module statically linked])
elif test "x$module" = "xstub" ; then
ai_mod_static_stub=yes
AC_DEFINE([AI_MOD_STATIC_STUB], [1],
[stub ai module statically linked])
else
AC_MSG_ERROR([bad value ${module} for --enable-ai-static])
fi
if test "x$default_ai_set" = "x" ; then
dnl Make first static module default ai type
default_ai_set="${module}"
fi
done
AM_CONDITIONAL([AI_MOD_STATIC_CLASSIC],
[test "x$ai_mod_static_classic" = "xyes" || test "x$enable_aimodules" != "xyes"])
AM_CONDITIONAL([AI_MOD_STATIC_THREADED],
[test "x$ai_mod_static_threaded" = "xyes"])
AM_CONDITIONAL([AI_MOD_STATIC_TEX],
[test "x$ai_mod_static_tex" = "xyes"])
AM_CONDITIONAL([AI_MOD_STATIC_STUB],
[test "x$ai_mod_static_stub" = "xyes"])
AC_ARG_WITH([default-ai],
AS_HELP_STRING([--with-default-ai], [default ai type [first static]]),
[default_ai_set="${withval}"],
[])
AC_ARG_WITH([ai-lib],
AS_HELP_STRING([--with-ai-lib], [build in default AI code [if needed]]),
[ai_mod_default_needed=yes], [])
AM_CONDITIONAL([AI_MOD_DEFAULT_NEEDED],
[test "x${ai_mod_default_needed}" = "xyes" || test "x${default_ai_set}" = "x"])
if test "x${default_ai_set}" = "x" ; then
default_ai_set="classic"
fi
fc_ai_last=0
if test "x$ai_mod_static_classic" = "xyes" ; then
fc_ai_last=$fc_ai_last+1
fi
if test "x$ai_mod_static_threaded" = "xyes" ; then
fc_ai_last=$fc_ai_last+1
fi
if test "x$ai_mod_static_tex" = "xyes" ; then
fc_ai_last=$fc_ai_last+1
fi
if test "x$ai_mod_static_stub" = "xyes" ; then
fc_ai_last=$fc_ai_last+1
fi
if test "x$enable_aimodules" = "xyes" ; then