Make `PosixSource.h` installed and under `rts/`

is used outside of the rts so we do this rather than just fish it out of
the repo in ad-hoc way, in order to make packages in this repo more
self-contained.

docs/coding-style.html

@@ -104,7 +104,7 @@ Std 1003.1) interfaces and APIs.  We used to define
 <code>POSIX_SOURCE</code> by default, but found that this caused more
 problems than it solved, so now we require any code that is
 POSIX-compliant to explicitly say so by having <code>#include
-"PosixSource.h"</code> at the top.  Try to do this whenever possible.
+"rts/PosixSource.h"</code> at the top.  Try to do this whenever possible.
 
 <p><li> Some architectures have memory alignment constraints.  Others
 don't have any constraints but go faster if you align things.  These

libraries/base/cbits/inputReady.c

@@ -21,7 +21,7 @@
 #endif
 
 /* select and supporting types is not Posix */
-/* #include "PosixSource.h" */
+/* #include "rts/PosixSource.h" */
 #include "Rts.h"
 #include <limits.h>
 #include <stdbool.h>

libraries/libiserv/cbits/iservmain.c

-#include "../rts/PosixSource.h"
-#include "Rts.h"
+#include <rts/PosixSource.h>
+#include <Rts.h>
 
-#include "HsFFI.h"
+#include <HsFFI.h>
 
 int main (int argc, char *argv[])
 {

rts/Arena.c

@@ -18,7 +18,7 @@
    which most allocations are small.
    -------------------------------------------------------------------------- */
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "RtsUtils.h"

rts/Capability.c

@@ -16,7 +16,7 @@
  *
  * --------------------------------------------------------------------------*/
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "Capability.h"

rts/CheckUnload.c

@@ -8,7 +8,7 @@
  *
  * --------------------------------------------------------------------------*/
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "RtsUtils.h"

rts/ClosureFlags.c

@@ -6,7 +6,7 @@
  *
  * ---------------------------------------------------------------------------*/
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 StgWord16 closure_flags[] = {

rts/Disassembler.c

@@ -10,7 +10,7 @@
 
 #if defined(DEBUG)
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 #include "RtsAPI.h"
 #include "rts/Bytecodes.h"

rts/FileLock.c

@@ -6,7 +6,7 @@
  *
  * ---------------------------------------------------------------------------*/
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "FileLock.h"

rts/Globals.c

@@ -17,7 +17,7 @@
  *
  * ---------------------------------------------------------------------------*/
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "Globals.h"

rts/Hash.c

@@ -8,7 +8,7 @@
  * pp. 446 -- 457.
  * -------------------------------------------------------------------------- */
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "Hash.h"

rts/Hpc.c

@@ -2,7 +2,7 @@
  * (c)2006 Galois Connections, Inc.
  */
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "Trace.h"

rts/HsFFI.c

@@ -6,7 +6,7 @@
  *
  * ---------------------------------------------------------------------------*/
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "HsFFI.h"
 #include "Rts.h"
 

rts/IPE.c

@@ -7,7 +7,7 @@
  * ---------------------------------------------------------------------------*/
 
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "RtsUtils.h"

rts/Inlines.c

@@ -2,7 +2,7 @@
 // compiled for real here, just in case the definition was not inlined
 // at some call site:
 #define KEEP_INLINES
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 #include "Schedule.h"
 #include "Capability.h"

rts/Interpreter.c

@@ -5,7 +5,7 @@
  * ---------------------------------------------------------------------------*/
 
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 #include "RtsAPI.h"
 #include "rts/Bytecodes.h"

rts/LdvProfile.c

@@ -9,7 +9,7 @@
 
 #if defined(PROFILING)
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #include "Profiling.h"

rts/Linker.c

@@ -7,7 +7,7 @@
  * ---------------------------------------------------------------------------*/
 
 #if 0
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #endif
 
 #include "Rts.h"

rts/OldARMAtomic.c

@@ -13,7 +13,7 @@
  *
  * -------------------------------------------------------------------------- */
 
-#include "PosixSource.h"
+#include "rts/PosixSource.h"
 #include "Rts.h"
 
 #if defined(HAVE_SCHED_H)