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This file is part of MXE. See LICENSE.md for licensing information.
Contains ad hoc patches for cross building.
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mark Brand <mabrand@mabrand.nl>
Date: Wed, 29 May 2019 23:01:04 +0200
Subject: [PATCH 1/1] fix mingw build
Author: Chris Matrakidis
taken from https://lists.gnu.org/archive/html/help-glpk/2017-06/msg00039.html
diff --git a/config.h.in b/config.h.in
index 1111111..2222222 100644
--- a/config.h.in
+++ b/config.h.in
@@ -27,4 +27,7 @@
#undef TLS
/* thread local storage-class specifier for re-entrancy (if any) */
+#undef __WOE__
+/* for windows native compilers */
+
/* eof */
diff --git a/configure.ac b/configure.ac
index 1111111..2222222 100644
--- a/configure.ac
+++ b/configure.ac
@@ -71,7 +71,13 @@ AC_CHECK_LIB([m], [exp])
dnl Check for <sys/time.h> header
AC_CHECK_HEADER([sys/time.h],
- AC_DEFINE([HAVE_SYS_TIME_H], [1], [N/A]))
+ ## Check for 64bit windows timeval type issue (tv_sec is not time_t)
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+ #include <sys/time.h>
+ enum {x = 1/(!!(sizeof(time_t) ==
+ sizeof(((struct timeval *)0)->tv_sec)))
+ };])], [AC_DEFINE([HAVE_SYS_TIME_H], [1], [N/A])],
+ [[AC_MSG_WARN([sys/time.h not used, tv_sec is not time_t])]]))
dnl Check for gettimeofday function
AC_CHECK_FUNC([gettimeofday],
@@ -190,6 +196,16 @@ case "${host}" in
esac
AC_SUBST([NOUNDEFINED])
+AC_MSG_CHECKING([for windows native compiler])
+case "${host}" in *-*-mingw*)
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([__WOE__], [1], [N/A])
+ ;;
+ *)
+ AC_MSG_RESULT([no])
+ ;;
+esac
+
AC_CONFIG_FILES(
[src/Makefile examples/Makefile Makefile])
AC_OUTPUT
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