Fix POSIX compliance

* "WAIT_MYPGRP" isn't POSIX'ish. Relying on this caused compilation
  issues in certain environments (e.g. under Cygwin). As a workaround,
  define "WAIT_MYPGRP" explicitly if it's undefined.

* "P_tmpdir" is an XSI extension. Don't try use it if it isn't
  available.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

2 files changed, 6 insertions, 0 deletions

diff --git a/src/sigs.c b/src/sigs.c
index a4f8140..6e74a09 100644
--- a/src/sigs.c
+++ b/src/sigs.c
@@ -43,6 +43,10 @@
 
 #include "calcurse.h"
 
+#ifndef WAIT_MYPGRP
+#define WAIT_MYPGRP 0
+#endif
+
 /*
  * General signal handling routine.
  * Catch return values from children (user-defined notification commands).
diff --git a/src/utils.c b/src/utils.c
index 8e76547..0ba3a87 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -523,8 +523,10 @@ get_tempdir (void)
 {
   if (getenv ("TMPDIR"))
     return getenv ("TMPDIR");
+#ifdef P_tmpdir
   else if (P_tmpdir)
     return P_tmpdir;
+#endif
   else
     return "/tmp";
 }