Activate cross-compilation features in autoconf.

diff --git a/.gitignore b/.gitignore
index 72174a8..bfbda48 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,8 @@ Makefile.in
 /ylwrap
 /stamp-h1
 /INSTALL
+/config.guess
+/config.sub
 
 /autom4te.cache/
 /config.log

diff --git a/NEWS b/NEWS
index fc0694d..b32a839 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,9 @@ GNU shogi news
 Changes in version 1.5.0 (unreleased):
 
 * Build system switched from pure autoconf to automake
+* Support for cross-compilation using standard "./configure --host=...",
+  including building windows binaries (both 32bit and 64bit) using
+  the gcc-mingw toolchain
 
 Changes in version 1.4.2 (unreleased):
 

diff --git a/configure.ac b/configure.ac
index f800cf9..615b69d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -13,6 +13,7 @@ AC_CONFIG_HEADER(config.h)
 ##########
 AC_MSG_NOTICE([C compiler])
 AC_PROG_CC
+AC_CANONICAL_BUILD
 AC_PROG_INSTALL
 
 ##########