Fix Solaris/SunOS detection (#370)

GCC doesn't define `sun`. Tested on 'SunOS solaris 5.11 11.4.0.15.0 i86pc i386 i86pc'
bfgroup · Apr 21, 2024 · 74311fa · 74311fa
1 parent d5a432a
commit 74311fa
Showing 1 changed file with 6 additions and 8 deletions.
diff --git a/src/engine/jam.h b/src/engine/jam.h
@@ -300,14 +300,12 @@
     #define OSMINOR "OS=SINIX"
     #define OS_SINIX
 #endif
-#ifdef sun
-    #if defined(__svr4__) || defined(__SVR4)
-        #define OSMINOR "OS=SOLARIS"
-        #define OS_SOLARIS
-    #else
-        #define OSMINOR "OS=SUNOS"
-        #define OS_SUNOS
-    #endif
+#if defined(__svr4__) || defined(__SVR4)
+    #define OSMINOR "OS=SOLARIS"
+    #define OS_SOLARIS
+#elif defined(__sun__) || defined(__sun) || defined(sun)
+    #define OSMINOR "OS=SUNOS"
+    #define OS_SUNOS
 #endif
 #ifdef ultrix
     #define OSMINOR "OS=ULTRIX"