From 8d95fc7b3ea04d99cf0016b8dc13c2740c75a380 Mon Sep 17 00:00:00 2001
From: Christian Kamm <kamm@incasoftware.de>
Date: Sun, 24 Aug 2008 16:59:08 +0200
Subject: [PATCH] Add isnan for __APPLE__ and darwin version ident for OSX.

---
 dmd/expression.c | 6 ++++++
 dmd/mars.c       | 8 +++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/dmd/expression.c b/dmd/expression.c
index 44e1508c..add82813 100644
--- a/dmd/expression.c
+++ b/dmd/expression.c
@@ -25,6 +25,12 @@ extern "C" char * __cdecl __locale_decpoint;
 #endif
 #endif
 
+#ifdef __APPLE__
+#ifndef isnan
+int isnan(double);
+#endif
+#endif
+
 #if IN_GCC
 // Issues with using -include total.h (defines integer_t) and then complex.h fails...
 #undef integer_t
diff --git a/dmd/mars.c b/dmd/mars.c
index 167b9246..ee6a5874 100644
--- a/dmd/mars.c
+++ b/dmd/mars.c
@@ -314,6 +314,8 @@ int main(int argc, char *argv[])
     global.params.os = OSWindows;
 #elif linux
     global.params.os = OSLinux;
+#elif __APPLY__
+    global.params.os = OSMacOSX;
 #else
 #error
 #endif /* linux */
@@ -749,12 +751,16 @@ int main(int argc, char *argv[])
 	global.params.tt_os = "-pc-mingw32";
 	break;
 
-    case OSLinux: 
+    case OSLinux:
 	VersionCondition::addPredefinedGlobalIdent("linux");
 	VersionCondition::addPredefinedGlobalIdent("Posix");
 	global.params.tt_os = "-pc-linux-gnu";
 	break;
 
+    case OSMacOSX:
+	VersionCondition::addPredefinedGlobalIdent("darwin");
+	global.params.tt_os = "-pc-darwin-gnu";
+
     default:
 	assert(false && "Target OS not supported");
     }