From c5de7d4df4ccd7d70a511ee45e1aa901d51efb6f Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sat, 5 Nov 2011 21:15:29 -0700
Subject: Task #11442. Make work on MingW.

* configure: Test for environ and GetEnvironmentStrings.

* lib.c: Conditionally include <windows.h>.
(env): Implemented for POSIX and Windows with #ifdefs.
---
 configure | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index ba37a922..6f98e559 100755
--- a/configure
+++ b/configure
@@ -869,6 +869,49 @@ else
   printf "#define HAVE_SYS_WAIT 1\n" >> config.h
 fi
 
+#
+# environ
+#
+
+printf "Checking whether we have environ ... "
+
+cat > conftest.c <<!
+int main(void)
+{
+  extern char **environ;
+  puts(environ[0]);
+  return 0;
+}
+!
+if ! make conftest > conftest.err 2>&1 || ! [ -x conftest ] ; then
+  printf "no\n"
+else
+  printf "yes\n"
+  printf "#define HAVE_ENVIRON 1\n" >> config.h
+fi
+
+#
+# GetEnvironmentStrings
+#
+
+printf "Checking whether we have GetEnvironmentStrings ... "
+
+cat > conftest.c <<!
+#include <windows.h>
+
+int main(void)
+{
+  WCHAR *ptr = GetEnvironmentStringsW();
+  return 0;
+}
+!
+if ! make conftest > conftest.err 2>&1 || ! [ -x conftest ] ; then
+  printf "no\n"
+else
+  printf "yes\n"
+  printf "#define HAVE_GETENVIRONMENTSTRINGS 1\n" >> config.h
+fi
+
 #
 # Clean up
 #
-- 
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