Octave: use pre-compiled headers to speed up test suite, if supported

7 files changed, 136 insertions, 122 deletions

diff --git a/Lib/octave/director.swg b/Lib/octave/director.swg
index bf71d18e8..5b9cd86e0 100644
--- a/Lib/octave/director.swg
+++ b/Lib/octave/director.swg
@@ -7,8 +7,6 @@
 
 # define SWIG_DIRECTOR_CAST(ARG) dynamic_cast<Swig::Director *>(ARG)
 
-#include <exception>
-
 namespace Swig {
 
   class Director {
diff --git a/Lib/octave/extra-install.list b/Lib/octave/extra-install.list
new file mode 100644
index 000000000..41ef94778
--- /dev/null
+++ b/Lib/octave/extra-install.list
@@ -0,0 +1,2 @@
+# see top-level Makefile.in
+octheaders.hpp
diff --git a/Lib/octave/octcontainer.swg b/Lib/octave/octcontainer.swg
index 310a849d9..80d593f4f 100644
--- a/Lib/octave/octcontainer.swg
+++ b/Lib/octave/octcontainer.swg
@@ -11,12 +11,6 @@
  * be the case.
  * ----------------------------------------------------------------------------- */
 
-%{
-#include <climits>
-#include <iostream>
-%}
-
-
 #if !defined(SWIG_NO_EXPORT_ITERATOR_METHODS)
 # if !defined(SWIG_EXPORT_ITERATOR_METHODS)
 #  define SWIG_EXPORT_ITERATOR_METHODS SWIG_EXPORT_ITERATOR_METHODS
@@ -64,7 +58,6 @@ namespace swig {
 
 %fragment("OctSequence_Base","header",fragment="<stddef.h>")
 {
-%#include <functional>
 
 namespace std {
   template <>
diff --git a/Lib/octave/octheaders.hpp b/Lib/octave/octheaders.hpp
new file mode 100644
index 000000000..abf6428e7
--- /dev/null
+++ b/Lib/octave/octheaders.hpp
@@ -0,0 +1,130 @@
+//
+// This header includes all C++ headers required for generated Octave wrapper code.
+// Using a single header file allows pre-compilation of Octave headers, as follows:
+// * Check out this header file:
+//     swig -octave -co octheaders.hpp
+// * Pre-compile header file into octheaders.hpp.gch:
+//     g++ -c ... octheaders.hpp
+// * Use pre-compiled header file:
+//     g++ -c -include octheaders.hpp ...
+//
+
+#if !defined(_SWIG_OCTAVE_OCTHEADERS_HPP)
+#define _SWIG_OCTAVE_OCTHEADERS_HPP
+
+// Required C++ headers
+#include <cstdlib>
+#include <climits>
+#include <iostream>
+#include <exception>
+#include <functional>
+#include <complex>
+#include <string>
+#include <vector>
+#include <map>
+
+// Minimal headers to define Octave version
+#include <octave/oct.h>
+#include <octave/version.h>
+
+// Macro for enabling features which require Octave version >= major.minor.patch
+// - Use (OCTAVE_PATCH_VERSION + 0) to handle both '<digit>' (released) and '<digit>+' (in development) patch numbers
+#define SWIG_OCTAVE_PREREQ(major, minor, patch) \
+  ( (OCTAVE_MAJOR_VERSION<<16) + (OCTAVE_MINOR_VERSION<<8) + (OCTAVE_PATCH_VERSION + 0) >= ((major)<<16) + ((minor)<<8) + (patch) )
+
+// Reconstruct Octave major, minor, and patch versions for releases prior to 3.8.1
+#if !defined(OCTAVE_MAJOR_VERSION)
+
+# if !defined(OCTAVE_API_VERSION_NUMBER)
+
+// Hack to distinguish between Octave 3.8.0, which removed OCTAVE_API_VERSION_NUMBER but did not yet
+// introduce OCTAVE_MAJOR_VERSION, and Octave <= 3.2, which did not define OCTAVE_API_VERSION_NUMBER
+#  include <octave/ov.h>
+#  if defined(octave_ov_h)
+#   define OCTAVE_MAJOR_VERSION 3
+#   define OCTAVE_MINOR_VERSION 8
+#   define OCTAVE_PATCH_VERSION 0
+#  else
+
+// Hack to distinguish between Octave 3.2 and earlier versions, before OCTAVE_API_VERSION_NUMBER existed
+#   define ComplexLU __ignore
+#   include <octave/CmplxLU.h>
+#   undef ComplexLU
+#   if defined(octave_Complex_LU_h)
+
+// We know only that this version is prior to Octave 3.2, i.e. OCTAVE_API_VERSION_NUMBER < 37
+#    define OCTAVE_MAJOR_VERSION 3
+#    define OCTAVE_MINOR_VERSION 1
+#    define OCTAVE_PATCH_VERSION 99
+
+#   else
+
+// OCTAVE_API_VERSION_NUMBER == 37
+#    define OCTAVE_MAJOR_VERSION 3
+#    define OCTAVE_MINOR_VERSION 2
+#    define OCTAVE_PATCH_VERSION 0
+
+#   endif // defined(octave_Complex_LU_h)
+
+#  endif // defined(octave_ov_h)
+
+// Correlation between Octave API and version numbers extracted from Octave's
+// ChangeLogs; version is the *earliest* released Octave with that API number
+# elif OCTAVE_API_VERSION_NUMBER >= 48
+#  define OCTAVE_MAJOR_VERSION 3
+#  define OCTAVE_MINOR_VERSION 6
+#  define OCTAVE_PATCH_VERSION 0
+
+# elif OCTAVE_API_VERSION_NUMBER >= 45
+#  define OCTAVE_MAJOR_VERSION 3
+#  define OCTAVE_MINOR_VERSION 4
+#  define OCTAVE_PATCH_VERSION 1
+
+# elif OCTAVE_API_VERSION_NUMBER >= 42
+#  define OCTAVE_MAJOR_VERSION 3
+#  define OCTAVE_MINOR_VERSION 3
+#  define OCTAVE_PATCH_VERSION 54
+
+# elif OCTAVE_API_VERSION_NUMBER >= 41
+#  define OCTAVE_MAJOR_VERSION 3
+#  define OCTAVE_MINOR_VERSION 3
+#  define OCTAVE_PATCH_VERSION 53
+
+# elif OCTAVE_API_VERSION_NUMBER >= 40
+#  define OCTAVE_MAJOR_VERSION 3
+#  define OCTAVE_MINOR_VERSION 3
+#  define OCTAVE_PATCH_VERSION 52
+
+# elif OCTAVE_API_VERSION_NUMBER >= 39
+#  define OCTAVE_MAJOR_VERSION 3
+#  define OCTAVE_MINOR_VERSION 3
+#  define OCTAVE_PATCH_VERSION 51
+
+# else // OCTAVE_API_VERSION_NUMBER == 38
+#  define OCTAVE_MAJOR_VERSION 3
+#  define OCTAVE_MINOR_VERSION 3
+#  define OCTAVE_PATCH_VERSION 50
+
+# endif // !defined(OCTAVE_API_VERSION_NUMBER)
+
+#endif // !defined(OCTAVE_MAJOR_VERSION)
+
+// Required Octave headers
+#include <octave/Cell.h>
+#include <octave/dynamic-ld.h>
+#include <octave/oct-env.h>
+#include <octave/oct-map.h>
+#include <octave/ov-scalar.h>
+#include <octave/ov-fcn-handle.h>
+#include <octave/parse.h>
+#if SWIG_OCTAVE_PREREQ(4,2,0)
+#include <octave/interpreter.h>
+#else
+#include <octave/toplev.h>
+#endif
+#include <octave/unwind-prot.h>
+#if SWIG_OCTAVE_PREREQ(4,2,0)
+#include <octave/call-stack.h>
+#endif
+
+#endif // !defined(_SWIG_OCTAVE_OCTHEADERS_HPP)
diff --git a/Lib/octave/octrun.swg b/Lib/octave/octrun.swg
index 162772d98..944b72a63 100644
--- a/Lib/octave/octrun.swg
+++ b/Lib/octave/octrun.swg
@@ -89,10 +89,6 @@ SWIGRUNTIME void SWIG_Octave_SetModule(void *clientdata, swig_module_info *point
 
 // Runtime API implementation
 
-#include <map>
-#include <vector>
-#include <string>
-
 typedef octave_value_list(*octave_func) (const octave_value_list &, int);
 class octave_swig_type;
 
diff --git a/Lib/octave/octruntime.swg b/Lib/octave/octruntime.swg
index 2f0cf58aa..a397fb7c1 100644
--- a/Lib/octave/octruntime.swg
+++ b/Lib/octave/octruntime.swg
@@ -1,111 +1,10 @@
+#ifdef SWIG_OCTAVE_EXTERNAL_OCTHEADERS
 %insert(runtime) %{
-
-#include <cstdlib>
-#include <iostream>
-
-#include <octave/oct.h>
-#include <octave/version.h>
-
-// Macro for enabling features which require Octave version >= major.minor.patch
-// - Use (OCTAVE_PATCH_VERSION + 0) to handle both '<digit>' (released) and '<digit>+' (in development) patch numbers
-#define SWIG_OCTAVE_PREREQ(major, minor, patch) \
-  ( (OCTAVE_MAJOR_VERSION<<16) + (OCTAVE_MINOR_VERSION<<8) + (OCTAVE_PATCH_VERSION + 0) >= ((major)<<16) + ((minor)<<8) + (patch) )
-
-// Reconstruct Octave major, minor, and patch versions for releases prior to 3.8.1
-#if !defined(OCTAVE_MAJOR_VERSION)
-
-# if !defined(OCTAVE_API_VERSION_NUMBER)
-
-// Hack to distinguish between Octave 3.8.0, which removed OCTAVE_API_VERSION_NUMBER but did not yet
-// introduce OCTAVE_MAJOR_VERSION, and Octave <= 3.2, which did not define OCTAVE_API_VERSION_NUMBER
-#  include <octave/ov.h>
-#  if defined(octave_ov_h)
-#   define OCTAVE_MAJOR_VERSION 3
-#   define OCTAVE_MINOR_VERSION 8
-#   define OCTAVE_PATCH_VERSION 0
-#  else
-
-// Hack to distinguish between Octave 3.2 and earlier versions, before OCTAVE_API_VERSION_NUMBER existed
-#   define ComplexLU __ignore
-#   include <octave/CmplxLU.h>
-#   undef ComplexLU
-#   if defined(octave_Complex_LU_h)
-
-// We know only that this version is prior to Octave 3.2, i.e. OCTAVE_API_VERSION_NUMBER < 37
-#    define OCTAVE_MAJOR_VERSION 3
-#    define OCTAVE_MINOR_VERSION 1
-#    define OCTAVE_PATCH_VERSION 99
-
-#   else
-
-// OCTAVE_API_VERSION_NUMBER == 37
-#    define OCTAVE_MAJOR_VERSION 3
-#    define OCTAVE_MINOR_VERSION 2
-#    define OCTAVE_PATCH_VERSION 0
-
-#   endif // defined(octave_Complex_LU_h)
-
-#  endif // defined(octave_ov_h)
-
-// Correlation between Octave API and version numbers extracted from Octave's
-// ChangeLogs; version is the *earliest* released Octave with that API number
-# elif OCTAVE_API_VERSION_NUMBER >= 48
-#  define OCTAVE_MAJOR_VERSION 3
-#  define OCTAVE_MINOR_VERSION 6
-#  define OCTAVE_PATCH_VERSION 0
-
-# elif OCTAVE_API_VERSION_NUMBER >= 45
-#  define OCTAVE_MAJOR_VERSION 3
-#  define OCTAVE_MINOR_VERSION 4
-#  define OCTAVE_PATCH_VERSION 1
-
-# elif OCTAVE_API_VERSION_NUMBER >= 42
-#  define OCTAVE_MAJOR_VERSION 3
-#  define OCTAVE_MINOR_VERSION 3
-#  define OCTAVE_PATCH_VERSION 54
-
-# elif OCTAVE_API_VERSION_NUMBER >= 41
-#  define OCTAVE_MAJOR_VERSION 3
-#  define OCTAVE_MINOR_VERSION 3
-#  define OCTAVE_PATCH_VERSION 53
-
-# elif OCTAVE_API_VERSION_NUMBER >= 40
-#  define OCTAVE_MAJOR_VERSION 3
-#  define OCTAVE_MINOR_VERSION 3
-#  define OCTAVE_PATCH_VERSION 52
-
-# elif OCTAVE_API_VERSION_NUMBER >= 39
-#  define OCTAVE_MAJOR_VERSION 3
-#  define OCTAVE_MINOR_VERSION 3
-#  define OCTAVE_PATCH_VERSION 51
-
-# else // OCTAVE_API_VERSION_NUMBER == 38
-#  define OCTAVE_MAJOR_VERSION 3
-#  define OCTAVE_MINOR_VERSION 3
-#  define OCTAVE_PATCH_VERSION 50
-
-# endif // !defined(OCTAVE_API_VERSION_NUMBER)
-
-#endif // !defined(OCTAVE_MAJOR_VERSION)
-
-#include <octave/Cell.h>
-#include <octave/dynamic-ld.h>
-#include <octave/oct-env.h>
-#include <octave/oct-map.h>
-#include <octave/ov-scalar.h>
-#include <octave/ov-fcn-handle.h>
-#include <octave/parse.h>
-#if SWIG_OCTAVE_PREREQ(4,2,0)
-#include <octave/interpreter.h>
+#include "octheaders.hpp"
+%}
 #else
-#include <octave/toplev.h>
+%insert(runtime) "octheaders.hpp";
 #endif
-#include <octave/unwind-prot.h>
-#if SWIG_OCTAVE_PREREQ(4,2,0)
-#include <octave/call-stack.h>
-#endif
-
-%}
 
 %insert(runtime) "swigrun.swg";
 %insert(runtime) "swigerrors.swg";
diff --git a/Lib/octave/std_complex.i b/Lib/octave/std_complex.i
index 30c188244..461e2fdfc 100644
--- a/Lib/octave/std_complex.i
+++ b/Lib/octave/std_complex.i
@@ -4,10 +4,6 @@
 
 %include <octcomplex.swg>
 
-%{
-#include <complex> 
-%}
-
 namespace std {
   %naturalvar complex;
   template<typename T> class complex;