diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..c07b2fc --- /dev/null +++ b/configure.ac @@ -0,0 +1,158 @@ +AC_PREREQ([2.69]) +AC_INIT([[lem]], [[0.3]], [[esmil@mailme.dk]]) +builtin_lua_version='5.2' + +AC_LANG(C) +AC_CONFIG_HEADERS([libev/ev-config.h:ev-config.h.in]) + +AC_SUBST([headers], ['lem.h']) +AC_SUBST([objects], ['lem.o']) +AC_SUBST([SHARED]) + +AC_ARG_WITH([debug], + [AS_HELP_STRING([--with-debug], + [enable debugging output @<:@default=no@:>@])], + [], + [CPPFLAGS="$CPPFLAGS -DNDEBUG"]) + +AC_ARG_WITH([lua], + [AS_HELP_STRING([--with-lua], + [check, builtin, lua or luajit @<:@default=check@:>@])], + [AS_CASE(["$with_lua"], [check],,[builtin],,[lua],,[luajit],, + [AC_MSG_ERROR([invalid argument --with-lua=$with_lua])])], + [with_lua=check]) + +AC_SUBST([lmoddir]) +AC_ARG_WITH([lmoddir], + [AS_HELP_STRING([--with-lmoddir], + [Lua module installation directory])], + [lmoddir="$with_lmoddir"]) + +AC_SUBST([cmoddir]) +AC_ARG_WITH([cmoddir], + [AS_HELP_STRING([--with-cmoddir], + [Lua C module installation directory])], + [cmoddir="$with_cmoddir"]) + +PKG_INSTALLDIR +AC_CANONICAL_TARGET + +# Checks for programs. +AC_PROG_CC_C99 +AC_PROG_INSTALL +AC_PROG_SED +AC_PATH_TARGET_TOOL([STRIP],[strip]) +PKG_PROG_PKG_CONFIG + +# Target specific fixes +AS_CASE(["x$target_os"], + [xdarwin*], + [ac_cv_func_kqueue=no] # kqueue seems to be broken on OSX + [SHARED='-dynamiclib -Wl,-undefined,dynamic_lookup'] + [STRIP="$STRIP -x"], + [SHARED='-shared']) + +# Checks for Lua. +AS_CASE(["x$with_lua"], + [xcheck], + [PKG_CHECK_MODULES([lua], [lua], + [with_lua=lua] + [CPPFLAGS="$CPPFLAGS $lua_CFLAGS"] + [LIBS="$lua_LIBS $LIBS"] + [AS_IF([test "x$lmoddir" = 'x'], [lmoddir="`$PKG_CONFIG --variable=INSTALL_LMOD lua`"])] + [AS_IF([test "x$cmoddir" = 'x'], [cmoddir="`$PKG_CONFIG --variable=INSTALL_CMOD lua`"])], + [AC_CHECK_LIB([lua], [lua_newstate], + [AC_CHECK_HEADER([lua.h], + [with_lua=lua] + [LIBS="-llua $LIBS"], + [with_lua=builtin])], + [with_lua=builtin])])], + [xlua], + [PKG_CHECK_MODULES([lua], [lua], + [CPPFLAGS="$CPPFLAGS $lua_CFLAGS"] + [LIBS="$lua_LIBS $LIBS"] + [AS_IF([test "x$lmoddir" = 'x'], [lmoddir="`$PKG_CONFIG --variable=INSTALL_LMOD lua`"])] + [AS_IF([test "x$cmoddir" = 'x'], [cmoddir="`$PKG_CONFIG --variable=INSTALL_CMOD lua`"])], + [AC_CHECK_LIB([lua], [lua_newstate], + [], + [AC_MSG_ERROR([Lua library requested, but no Lua library found])])] + [AC_CHECK_HEADER([lua.h], + [], + [AC_MSG_ERROR([Lua library requested, but no lua.h header found])])])], + [xluajit], + [PKG_CHECK_MODULES([luajit], [luajit], + [CPPFLAGS="$CPPFLAGS $luajit_CFLAGS"] + [LIBS="$luajit_LIBS $LIBS"] + [AS_IF([test "x$lmoddir" = 'x'], [lmoddir="`$PKG_CONFIG --variable=INSTALL_LMOD luajit`"])] + [AS_IF([test "x$cmoddir" = 'x'], [cmoddir="`$PKG_CONFIG --variable=INSTALL_CMOD luajit`"])], + [AC_MSG_ERROR([LuaJIT library requested, but no pkg-config file found])])]) + +AS_IF([test "x$with_lua" = 'xbuiltin'], + [AC_CHECK_LIB([m], [sin])] + [AC_SEARCH_LIBS([dlopen], [dl])] + [objects="lua/amalg.o $objects"] + [headers="lua/luaconf.h lua/lua.h lua/lauxlib.h $headers"] + [CPPFLAGS="$CPPFLAGS -Ilua"] + [AS_IF([test "x$lmoddir" = 'x'], [lmoddir="\${datarootdir}/lua/$builtin_lua_version"])] + [AS_IF([test "x$cmoddir" = 'x'], [cmoddir="\${libdir}/lua/$builtin_lua_version"])]) + +# Checks for header files. +AC_CHECK_HEADERS([stddef.h stdlib.h string.h unistd.h time.h]) +AC_CHECK_HEADERS([sys/eventfd.h sys/epoll.h sys/event.h]) + +# [AC_RUN_IFELSE([AC_LANG_PROGRAM([ +##include <stdio.h> +##include <lua.h> +#], [ +#FILE *f = fopen("conftest.out", "w"); +#fputs(LUA_VERSION, f); +#])], +# [echo "conftest returned: `cat conftest.out`"],[])]) + +objects="libev.o $objects" +headers="libev/ev-config.h libev/ev.h $headers" +CPPFLAGS="$CPPFLAGS -Ilibev" + +AS_IF([test "x$ac_cv_header_sys_eventfd_h" = 'xyes'], + [AC_CHECK_FUNC([eventfd], + [AC_DEFINE([EV_USE_EVENTFD], 1)], + [AC_DEFINE([EV_USE_EVENTFD], 0)])], + [AC_DEFINE([EV_USE_EVENTFD], 0)]) + +AC_CHECK_FUNC([nanosleep], + [AC_DEFINE([EV_USE_NANOSLEEP], 1)], + [AC_DEFINE([EV_USE_NANOSLEEP], 0)]) + +AC_CHECK_FUNCS([poll select epoll_ctl kqueue]) + +AS_IF([test "x$ac_cv_func_epoll_ctl" = 'xyes'], [ + AC_DEFINE([EV_USE_SELECT], 0) + AC_DEFINE([EV_USE_POLL], 0) + AC_DEFINE([EV_USE_EPOLL], 1) + AC_DEFINE([EV_USE_KQUEUE], 0) +], [AS_IF([test "x$ac_cv_func_kqueue" = 'xyes'], [ + AC_DEFINE([EV_USE_SELECT], 0) + AC_DEFINE([EV_USE_POLL], 0) + AC_DEFINE([EV_USE_EPOLL], 0) + AC_DEFINE([EV_USE_KQUEUE], 1) +], [AS_IF([test "x$ac_cv_func_select" = 'xyes'], [ + AC_DEFINE([EV_USE_SELECT], 1) + AC_DEFINE([EV_USE_POLL], 0) + AC_DEFINE([EV_USE_EPOLL], 0) + AC_DEFINE([EV_USE_KQUEUE], 0) +], [AS_IF([test "x$ac_cv_func_poll" = 'xyes'], [ + AC_DEFINE([EV_USE_SELECT], 0) + AC_DEFINE([EV_USE_POLL], 1) + AC_DEFINE([EV_USE_EPOLL], 0) + AC_DEFINE([EV_USE_KQUEUE], 0) +], [ + AC_MSG_ERROR([neither poll or select found]) +])])])]) + +AS_IF([test "x$lmoddir" = 'x'], + [AC_MSG_ERROR([unable to deduce Lua module directory, please use --with-lmoddir=path])]) +AS_IF([test "x$cmoddir" = 'x'], + [AC_MSG_ERROR([unable to deduce Lua C module directory, please use --with-cmoddir=path])]) + +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT |