Added rules to build nsis installers for w32

[pspp] / configure.ac

diff --git a/configure.ac b/configure.ac
index a9d8d84eeecb324f9fe22c587f4ecadc45650a6a..28f70cfacab63aa96e60434d1f7a51678e319b10 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -39,6 +39,12 @@ AC_LIBTOOL_WIN32_DLL
 AC_LIBTOOL_DLOPEN
 AC_PROG_LIBTOOL
 AC_HEADER_TIOCGWINSZ
+
+AC_CHECK_SIZEOF([ptrdiff_t])
+binary_width=`expr 8 '*' $ac_cv_sizeof_ptrdiff_t`
+AC_SUBST([binary_width])
+
+
 PKG_PROG_PKG_CONFIG
 m4_pattern_forbid([PKG_CHECK_MODULES])
 PSPP_CHECK_CLICKSEQUENCE