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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])
AC_PREREQ(2.61)
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
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([FREECIV_META_URL], ["http://meta.freeciv.org/metaserver.php"], [Metaserver URL])
AC_DEFINE_UNQUOTED([WIKI_URL], ["$WIKI_URL"], [Informational URL])
AC_DEFINE(DEFAULT_SOCK_PORT, 5556, [Connection TCP Port])
AC_SUBST([BUG_URL])
AC_SUBST([WIKI_URL])
AC_SUBST([MAIL_ADDRESS])
dnl client/server should always have the same major and minor versions
dnl different patch versions are compatible
VERSION_SCRIPT_SILENT=yes
m4_include(fc_version)
AC_ARG_VAR([FREECIV_LABEL_FORCE], [Forced version label format])
AC_DEFINE_UNQUOTED([MAJOR_VERSION], [$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], ["${VERSION_LABEL}"], [Version label])
AC_DEFINE_UNQUOTED([VERSION_STRING], ["${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}${EMERG_PART}${VERSION_LABEL}"], [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], [$RELEASE_MONTH], [Month next version will be released])
AC_SUBST([MAJOR_VERSION])
AC_SUBST([MINOR_VERSION])
AC_DEFINE_UNQUOTED([NETWORK_CAPSTRING_MANDATORY],
["$NETWORK_CAPSTRING_MANDATORY"],
[Network capability string])
AC_SUBST([NETWORK_CAPSTRING_MANDATORY])
AC_DEFINE_UNQUOTED([NETWORK_CAPSTRING_OPTIONAL],
["$NETWORK_CAPSTRING_OPTIONAL"],
[Additional optional network capabilities])
AC_SUBST([NETWORK_CAPSTRING_OPTIONAL])
AC_DEFINE_UNQUOTED([DATASUBDIR],
["$DATASUBDIR"],
[Version specific subdir for default data path])
AC_SUBST([DATASUBDIR])
AC_DEFINE_UNQUOTED([FREECIV_DISTRIBUTOR], ["$FREECIV_DISTRIBUTOR"],
[Distribution this freeciv is built for])
dnl Initialize automake stuff
AM_INIT_AUTOMAKE([subdir-objects dist-bzip2 dist-zip])
dnl Use Automake 1.11 silent rules by default if available
dnl verbose build using make V=1
ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
UTILITY_LIBS=
AC_PROG_MKDIR_P
dnl Sed is needed for the configuration
dnl of the clients, database setting and the mapimg toolkits.
AC_PROG_SED
AC_CACHE_CHECK([for malloc(0) return value], [fc_cv_malloc_zero_ok], [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdlib.h>
int
main()
{
void *allocation = malloc(0);
if (allocation != NULL) {
free(allocation);
}
return (allocation == NULL);
}
]])], [fc_cv_malloc_zero_ok=true], [fc_cv_malloc_zero_ok=false], [fc_cv_malloc_zero_ok=false])])
if test "x$fc_cv_malloc_zero_ok" = "xtrue" ; then
AC_DEFINE([MALLOC_ZERO_OK], [1], [It's ok to call malloc() for zero bytes])
fi
dnl set default values
fcdb_all=no
fcdb_mysql=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 postgres: use postgres database
dnl comma-separated-list: Detect these or abort.
AC_ARG_ENABLE([fcdb],
AS_HELP_STRING([--enable-fcdb[=no/all/mysql/postgres/sqlite3]],
[database backends [no](no, or list)]),
[databases=${enableval}],
[databases=no])
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$db" = "xpostgres" ; then
fcdb_postgres=yes
elif test "x$db" = "xsqlite3" ; then
fcdb_sqlite3=yes
else
AC_MSG_ERROR([bad value ${db} for --enable-fcdb])
fi
done
dnl checks for database mysql
dnl sets FCDB_MYSQL(conditional), FCDB_MYSQL_CFLAGS
FC_FCDB_MYSQL
dnl checks for database postgres
dnl sets FCDB_POSTGRES(conditional), FCDB_POSTGRES_CFLAGS
FC_FCDB_POSTGRES
dnl checks for database sqlite3
dnl sets FCDB_SQLITE3(conditional), FCDB_SQLITE3_CFLAGS
FC_FCDB_SQLITE3
dnl check if a database backend is available
if test "x$fcdb_mysql" = "xyes" || test "x$fcdb_postgres" = "xyes" \
|| test "x$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
AMIGA=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 ${enableval} for --enable-ipv6) ;;
esac], [ipv6=test])
if test x$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])
fi
if test x$enable_ipv6 = xyes ; then
AC_DEFINE([FREECIV_IPV6_SUPPORT], [1], [IPv6 Support built in])
else
feature_ipv6=missing
fi
fi
AC_ARG_WITH([readline],
AS_HELP_STRING([--with-readline], [support fancy command line editing]),
WITH_READLINE=$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], ["${FOLLOWTAG}"], [Version tag to follow])
AC_ARG_WITH([modlist],
AS_HELP_STRING([--with-modlist], [default modlist URL]),
[modlist_url=${withval}])
if test "x$modlist_url" != "x" ; then
AC_DEFINE_UNQUOTED([MODPACK_LIST_URL], ["${modlist_url}"], [Default modpack list URL])
fi
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 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 Option not available in stable branch
fcweb=false
FC_WEB_CLIENT
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/gtk2/gtk3/gtk3.22/sdl/sdl2/xaw/qt/stub],
[clients to compile [auto](list for multiple)]),
[clients=${enableval}],
[client=auto])
if test "x$fcweb" = "xtrue" ; then
if test "x$clients" != "x" && test "x$clients" != "xauto" &&
test "x$clients" != "xno" ; then
AC_MSG_ERROR([One cannot enable any clients for freeciv-web build])
fi
clients=no
fi
gui_gtk2=no
gui_gtk3_22=no
gui_gtk3=no
gui_sdl=no
gui_sdl2=no
gui_xaw=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" = "xgtk2" ||
test "x$gui" = "xgtk2.0" ||
test "x$gui" = "xgtk20" ||
test "x$gui" = "xgtk-2.0" ; then
gui_gtk2=yes
elif test "x$gui" = "xgtk3.22" ; then
gui_gtk3_22=yes
elif 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$gui" = "xgtk" ; then
AC_MSG_WARN([for requested client 'gtk' enabled gtk3-client, that has changed since earlier versions])
gui_gtk3=yes
else
if test ! -d "${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([xaw],
[AS_HELP_STRING([--with-xaw], [use the Xaw widget set for the xaw client])],
[WITH_XAW=1])
AC_ARG_WITH([xaw3d],
[AS_HELP_STRING([--with-xaw3d], [use the Xaw3d widget set for the xaw client])],
[WITH_XAW3D=1])
if test "x$WITH_XAW" != "x" && test "x$WITH_XAW3D" != "x" ; then
AC_MSG_ERROR([Cannot use both --with-xaw and --with-xaw3d at the same time])
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$exp_aimodules" = "xyes")
AC_ARG_ENABLE([ai-static],
AS_HELP_STRING([--enable-ai-static], [statically link listed modules to server]),
[static_modules="${enableval}"],
[static_modules="classic"])
ai_mod_static_classic=no
ai_mod_static_threaded=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" = "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_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_stub" = "xyes" ; then
fc_ai_last=$fc_ai_last+1
fi
if test "x$enable_aimodules" = "xyes" ; then
dnl Dynamic modules allowed, give slots for them
fc_ai_last=$fc_ai_last+3
fi
AC_DEFINE_UNQUOTED([FREECIV_AI_MOD_LAST], [(${fc_ai_last})], [Max number of AI modules])
AC_DEFINE_UNQUOTED([AI_MOD_DEFAULT], ["${default_ai_set}"], [Default ai type name])
dnl Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
AC_PROG_LN_S
AC_DISABLE_SHARED
dnl Replace AC_PROG_LIBTOOL with LT_INIT when minimum libtool
dnl version 2.2
m4_ifdef([AM_PROG_AR], [AM_PROG_AR], [AC_CHECK_TOOL([AR], [ar])])
AC_PROG_LIBTOOL
AC_SUBST(LIBTOOL)
if test -z $AR; then
AC_MSG_ERROR([*** 'ar' missing. Install binutils, fix your \$PATH, or set \$AR manually. ***])
fi
AM_PROG_CC_C_O
AC_PROG_CXX
FC_WORKING_CXX
FC_C99_TOKEN_CONCENATION
AC_CHECK_PROG(UNAME,uname,uname,:)
AC_CHECK_SIZEOF([int])
dnl Programs already checked by AM_INIT_AUTOMAKE:
dnl
dnl AC_PROG_MAKE_SET required with automake-ng
AC_PROG_MAKE_SET
dnl Check for libiconv (which is usually included in glibc, but may be
dnl distributed separately). The libcharset check must come after the
dnl iconv check. This whole thing must come before the gettext check below.
AM_ICONV
FC_LIBCHARSET
AM_LANGINFO_CODESET
if test "$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$PKG_CONFIG" = "x" ; then
AC_MSG_ERROR([pkg-config not found])
fi
PKG_CHECK_MODULES([CURL], [libcurl >= 7.12.1],,
[AC_MSG_ERROR([libcurl development files required])])
UTILITY_CFLAGS="${UTILITY_CFLAGS} ${CURL_CFLAGS}"
UTILITY_LIBS="${UTILITY_LIBS} ${CURL_LIBS}"
AC_ARG_ENABLE([xml-registry],
AS_HELP_STRING([--enable-xml-registry], [build xml-backend for registry (WIP)]),
[case "${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} ${LIBXML2_LIBS}"
AC_DEFINE([FREECIV_HAVE_XML_REGISTRY], [1], [Build xml-backend for registry])
fi
dnl Set debug flags supported by compiler
EXTRA_DEBUG_CFLAGS=""
EXTRA_DEBUG_CXXFLAGS=""
EXTRA_DEBUG_LDFLAGS=""
dnl check debugging
FC_DEBUG
dnl check profiling
FC_GPROF
AC_C99_VARIADIC_MACROS
AC_C99_VARIABLE_ARRAYS
AC_C99_INITIALIZERS
AC_C99_STDINT_H
FC_C99_INITIALIZER_BRACES
FC_C11_STATIC_ASSERT
FC_C11_AT_QUICK_EXIT
FC_CXX11_STATIC_ASSERT
FC_CXX11_NULLPTR
dnl BeOS-specific settings
if test x`$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 $WINDRES; then
AC_MSG_ERROR([*** 'windres' missing. Install binutils, fix your \$PATH, or set \$WINDRES manually. ***])
fi
HOST_PATH_SEPARATOR=";"
HOST_DIR_SEPARATOR="\\"
AC_DEFINE([FREECIV_SOCKET_ZERO_NOT_STDIN], [1], [Mingw-specific setting - stdin])
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - Mingw])
AC_DEFINE([FREECIV_MSWINDOWS], [1], [Windows build])
dnl Backward compatibility macro, FREECIV_MSWINDOWS is the preferred one, and
dnl one that must be used in public headers.
AC_DEFINE([WIN32_NATIVE], [1], [Mingw-specific setting - native])
AC_DEFINE([NONBLOCKING_SOCKETS], [1], [nonblocking sockets support])
;;
*skyos*)
dnl SkyOS specific settings
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - SkyOS])
;;
*haiku*)
dnl Haiku specific settings
AC_DEFINE([ALWAYS_ROOT], [1], [Can execute program as root - Haiku])
LIBS="$LIBS -lnetwork"
;;
*amigaos*)
AMIGA=yes
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=$PATH_SEPARATOR
dnl fi
dnl note this has to match the path installed by translations/freeciv/Makefile
if test x"$MINGW" != "xyes"; then
CPPFLAGS="$CPPFLAGS -DLOCALEDIR=\"\\\"$localedir\\\"\""
else
AC_DEFINE_UNQUOTED([LOCALEDIR], [".\\\\share\\\\locale"], [Locale directory (windows)])
fi
CPPFLAGS="$CPPFLAGS -DBINDIR=\"\\\"$bindir\\\"\""
COMMON_LIBS=-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$WITH_XZ" = "xyes" ; then
AC_MSG_ERROR([Could not find liblzma devel files])
fi
feature_xz=missing
fi
fi
UTILITY_LIBS="${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]) ;;
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], ["$custom_cacert_path"], [Path to CA cert bundle])
fi
dnl Check thread implementation
AC_MSG_CHECKING([for threads implementation])
thread_impl=none
CFLAGS_SAVE="${CFLAGS}"
LIBS_SAVE="${LIBS}"
if test x$crosser != xyes ; 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$thread_cond" != "xtrue" ; then
feature_thr_cond=missing
fi
dnl Check and choose clients
if test "x$client" != "xno"; then
dnl Check for sound support, sets SOUND_CFLAGS, SOUND_LIBS, AUDIO_SDL
dnl Client gui checks need to know which mixer version this has selected
FC_CHECK_SOUND()
dnl if specified --with-xaw or --with-xaw3d, assume --enable-client=xaw
if test -n "$WITH_XAW" || test -n "$WITH_XAW3D"; then
if test "x$client" = "xauto" ; then
gui_xaw=yes
client=yes
elif test "x$client" = "xall" ; then
gui_xaw=yes
fi
fi
dnl if need to guess client, announce checking
if test "x$client" = "xauto"; then
AS_MESSAGE([checking for which client to compile:...])
elif test "x$client" = "xall" ; then
AS_MESSAGE([checking for which clients to compile:...])
fi
dnl Gtk-3.0-specific overrides
FC_GTK3_CLIENT
dnl Gtk-3.22-specific overrides
FC_GTK3_22_CLIENT
dnl Gtk-2.0-specific overrides
FC_GTK2_CLIENT
dnl QT-specific overrides
FC_QT_CLIENT
dnl SDL-specific overrides
FC_SDL_CLIENT
dnl SDL2-specific overrides
FC_SDL2_CLIENT
dnl Xaw-specific overrides
FC_XAW_CLIENT
dnl Stub-specific overrides
if test "x$gui_stub" = "xyes" || test "x$client" = "xall" ; then
gui_stub=yes
if test "x$client" = "xauto" ; then
client=yes
fi
gui_stub_libs="-lm"
fi
dnl If client still "auto", error out since we couldn't select any of them
if test "x$client" = "xauto" ; then
AC_MSG_ERROR([can not build any of the supported clients])
fi
fi
if test "x$client" = "xall" ; then
if test "x$gui_gtk2" = "xyes" ||
test "x$gui_gtk3_22" = "xyes" ||
test "x$gui_gtk3" = "xyes" ||
test "x$gui_sdl" = "xyes" ||
test "x$gui_sdl2" = "xyes" ||
test "x$gui_xaw" = "xyes" ||
test "x$gui_qt" = "xyes" ||
test "x$gui_stub" = "xyes" ; then
client=yes
else
client=no
fi
fi
FC_LD_FLAGS(["-Wl,-rpath=${lib_prefix}"], [], [LDFLAGS])
AM_CONDITIONAL([CLIENT], [test "x$client" = "xyes"])
AC_ARG_ENABLE([freeciv-manual],
AS_HELP_STRING([--enable-freeciv-manual=no/yes/wiki/html], [build freeciv-manual [wiki]]),
[case "${enableval}" in
yes|wiki) fcmanual=wiki ;;
no) fcmanual=no ;;
html) fcmanual=html ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-freeciv-manual]) ;;
esac], [fcmanual=wiki])
AM_CONDITIONAL([FCMANUAL], [test "x$fcmanual" != "xno"])
if test x$fcmanual = xhtml ; then
AC_DEFINE([MANUAL_USE_HTML], [1], [Build freeciv-manual with html formatting])
fi
dnl freeciv-modpack checks
AC_ARG_ENABLE([fcmp],
AS_HELP_STRING([--enable-fcmp=no/yes/gtk2/gtk3/qt/cli/all/auto], [build freeciv-modpack-program [auto]]),
[fc_mp=${enableval}],
[fc_mp=auto])
fcmp_cli=no
fcmp_gtk2=no
fcmp_gtk3=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$mp" = "xall" ; then
modinst=all
else if test "x$mp" = "xgtk2" ||
test "x$mp" = "xgtk2.0" ||
test "x$mp" = "xgtk20" ||
test "x$mp" = "xgtk-2.0" ; then
req_fcmp_gtk2=yes
elif test "x$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" = "xqt" ; then
req_fcmp_qt=yes
elif test "x$mp" = "xcli" ; then
req_fcmp_cli=yes