[version] フラグ情報のflag_groupへの移行に伴うバージョンアップ

[hengbandforosx/hengbandosx.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 04a1340..158f90a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(hengband, 3.0.0.0)
 
 AC_CONFIG_HEADERS(src/autoconf.h)
-AC_CONFIG_SRCDIR(src/main.c)
+AC_CONFIG_SRCDIR(src/main.cpp)
 AM_INIT_AUTOMAKE
 
 AC_ARG_WITH(setgid,
@@ -15,8 +15,6 @@ esac])
 AC_SUBST(GAMEGROUP)
 AM_CONDITIONAL(SET_GID, test "$GAMEGROUP" != "")
 
-AC_LANG_C
-
 dnl generate the installation path for the ./lib/ folder
 if test "$GAMEGROUP" != ""; then
   MY_EXPAND_DIR(game_libpath, "$datadir/games/$PACKAGE/lib/")
@@ -44,7 +42,13 @@ DEFAULT_VAR_PATH="$game_varpath"
 AC_SUBST(DEFAULT_VAR_PATH)
 
 dnl Checks for programs.
-AC_PROG_CC
+AC_LANG(C++)
+AC_PROG_CXX
+m4_ifdef([AX_CXX_COMPILE_STDCXX_17], [
+  AX_CXX_COMPILE_STDCXX_17
+], [
+  AC_MSG_ERROR([AX_CXX_COMPILE_STDCXX_17 macro is not defined. You need to install autoconf-archive.])
+])
 PKG_PROG_PKG_CONFIG
 
 AC_ARG_ENABLE(japanese,