Don't assume non-POSIX `WCOREDUMP(x)` macro exists

This fixes #50

3 files changed, 11 insertions, 1 deletions

diff --git a/cbits/HsUnix.c b/cbits/HsUnix.c
index 60f19bc..13ca64b 100644
--- a/cbits/HsUnix.c
+++ b/cbits/HsUnix.c
@@ -14,6 +14,12 @@ int __hsunix_wifsignaled (int stat) { return WIFSIGNALED(stat); }
 int __hsunix_wtermsig    (int stat) { return WTERMSIG(stat); }
 int __hsunix_wifstopped  (int stat) { return WIFSTOPPED(stat); }
 int __hsunix_wstopsig    (int stat) { return WSTOPSIG(stat); }
+
+// not part of POSIX, hence may not be always defined
+#ifndef WCOREDUMP
+# define WCOREDUMP(s) 0
+#endif
+
 int __hsunix_wcoredump   (int stat) { return WCOREDUMP(stat); }
 
 #ifdef HAVE_RTLDNEXT
diff --git a/changelog.md b/changelog.md
index a2ce61f..c3d43df 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Changelog for [`unix` package](http://hackage.haskell.org/package/unix)
 
+## **TBA**
+
+  * Don't assume non-POSIX `WCOREDUMP(x)` macro exists
+
 ## 2.7.1.0  *Dec 2014*
 
   * Bundled with GHC 7.10.1
diff --git a/unix.cabal b/unix.cabal
index c54e275..e920712 100644
--- a/unix.cabal
+++ b/unix.cabal
@@ -1,5 +1,5 @@
 name:           unix
-version:        2.7.1.0
+version:        2.7.1.1
 -- NOTE: Don't forget to update ./changelog.md
 license:        BSD3
 license-file:   LICENSE