Add an option for reproducible library builds

This can be useful to the library packagers, notably under Debian.

Closes #17000.

configure

@@ -1140,6 +1140,7 @@ enable_rpath
 enable_objc_uniquifying
 enable_visibility
 enable_tls
+enable_repro_build
 enable_intl
 enable_xlocale
 enable_config
@@ -2080,6 +2081,7 @@ Optional Features:
   --enable-objc_uniquifying enable Objective-C class name uniquifying
   --disable-visibility    disable use of ELF symbols visibility even if supported
   --disable-tls           disable use of compiler TLS support
+  --enable-repro-build    enable reproducible build mode
   --enable-intl           use internationalization system
   --enable-xlocale        use x-locale support (requires wxLocale)
   --enable-config         use wxConfig (and derived) classes
@@ -6079,6 +6081,36 @@ fi
 
 
 
+          enablestring=
+          defaultval=
+          if test -z "$defaultval"; then
+              if test x"$enablestring" = xdisable; then
+                  defaultval=yes
+              else
+                  defaultval=no
+              fi
+          fi
+
+          # Check whether --enable-repro_build was given.
+if test "${enable_repro_build+set}" = set; then :
+  enableval=$enable_repro_build;
+                          if test "$enableval" = yes; then
+                            wx_cv_use_repro_build='wxUSE_REPRODUCIBLE_BUILD=yes'
+                          else
+                            wx_cv_use_repro_build='wxUSE_REPRODUCIBLE_BUILD=no'
+                          fi
+
+else
+
+                          wx_cv_use_repro_build='wxUSE_REPRODUCIBLE_BUILD=${'DEFAULT_wxUSE_REPRODUCIBLE_BUILD":-$defaultval}"
+
+fi
+
+
+          eval "$wx_cv_use_repro_build"
+
+
+
 
           enablestring=
           defaultval=$wxUSE_ALL_FEATURES
@@ -30677,6 +30709,11 @@ else
     fi
 fi
 
+if test "x$wxUSE_REPRODUCIBLE_BUILD" = "xyes"; then
+    $as_echo "#define wxUSE_REPRODUCIBLE_BUILD 1" >>confdefs.h
+
+fi
+
 
 if test "x$WXWIN_COMPATIBILITY_2_8" = "xyes"; then
     $as_echo "#define WXWIN_COMPATIBILITY_2_8 1" >>confdefs.h

configure.in

@@ -669,6 +669,8 @@ WX_ARG_ENABLE(objc_uniquifying,[  --enable-objc_uniquifying enable Objective-C c
 WX_ARG_DISABLE(visibility,   [  --disable-visibility    disable use of ELF symbols visibility even if supported], wxUSE_VISIBILITY)
 WX_ARG_DISABLE(tls,          [  --disable-tls           disable use of compiler TLS support], wxUSE_COMPILER_TLS)
 
+WX_ARG_ENABLE(repro_build,  [  --enable-repro-build    enable reproducible build mode], wxUSE_REPRODUCIBLE_BUILD)
+
 dnl ---------------------------------------------------------------------------
 dnl optional non GUI features
 dnl ---------------------------------------------------------------------------
@@ -5134,6 +5136,10 @@ else
     fi
 fi
 
+if test "x$wxUSE_REPRODUCIBLE_BUILD" = "xyes"; then
+    AC_DEFINE(wxUSE_REPRODUCIBLE_BUILD)
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl compatibility level
 dnl ---------------------------------------------------------------------------

docs/doxygen/mainpages/const_wxusedef.h

@@ -194,6 +194,7 @@ This table summarizes some of the global build features affecting the entire
 @itemdef{wxUSE_PROTOCOL_HTTP, Use wxHTTP class. (requireswxProtocol)}
 @itemdef{wxUSE_RADIOBOX, Use wxRadioBox class.}
 @itemdef{wxUSE_RADIOBTN, Use wxRadioButton class.}
+@itemdef{wxUSE_REPRODUCIBLE_BUILD, Make library builds reproducible.}
 @itemdef{wxUSE_REGEX, Use wxRegEx class.}
 @itemdef{wxUSE_RICHTEXT, Use wxRichTextCtrl class.}
 @itemdef{wxUSE_RICHTEXT_XML_HANDLER, See src/xrc/xh_richtext.cpp file.}

include/wx/android/setup.h

@@ -66,6 +66,16 @@
 // Recommended setting: 0
 #define wxUSE_UNSAFE_WXSTRING_CONV 1
 
+// If set to 1, enables "reproducible builds", i.e. build output should be
+// exactly the same if the same build is redone again. As using __DATE__ and
+// __TIME__ macros clearly makes the build irreproducible, setting this option
+// to 1 disables their use in the library code.
+//
+// Default is 0
+//
+// Recommended setting: 0
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 // ----------------------------------------------------------------------------
 // debugging settings
 // ----------------------------------------------------------------------------
@@ -1282,15 +1292,14 @@
 // Metafiles support
 // ----------------------------------------------------------------------------
 
-// Windows supports the graphics format known as metafile which is, though not
-// portable, is widely used under Windows and so is supported by wxWin (under
-// Windows only, of course). Win16 (Win3.1) used the so-called "Window
-// MetaFiles" or WMFs which were replaced with "Enhanced MetaFiles" or EMFs in
-// Win32 (Win9x, NT, 2000). Both of these are supported in wxWin and, by
-// default, WMFs will be used under Win16 and EMFs under Win32. This may be
-// changed by setting wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting
-// wxUSE_ENH_METAFILE to 0. You may also set wxUSE_METAFILE to 0 to not compile
-// in any metafile related classes at all.
+// Windows supports the graphics format known as metafile which, though not
+// portable, is widely used under Windows and so is supported by wxWidgets
+// (under Windows only, of course). Both the so-called "Window MetaFiles" or
+// WMFs, and "Enhanced MetaFiles" or EMFs are supported in wxWin and, by
+// default, EMFs will be used. This may be changed by setting
+// wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting wxUSE_ENH_METAFILE to 0.
+// You may also set wxUSE_METAFILE to 0 to not compile in any metafile
+// related classes at all.
 //
 // Default is 1 for wxUSE_ENH_METAFILE and 0 for wxUSE_WIN_METAFILES_ALWAYS.
 //

include/wx/gtk/setup0.h

@@ -67,6 +67,16 @@
 // Recommended setting: 0
 #define wxUSE_UNSAFE_WXSTRING_CONV 1
 
+// If set to 1, enables "reproducible builds", i.e. build output should be
+// exactly the same if the same build is redone again. As using __DATE__ and
+// __TIME__ macros clearly makes the build irreproducible, setting this option
+// to 1 disables their use in the library code.
+//
+// Default is 0
+//
+// Recommended setting: 0
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 // ----------------------------------------------------------------------------
 // debugging settings
 // ----------------------------------------------------------------------------
@@ -1283,15 +1293,14 @@
 // Metafiles support
 // ----------------------------------------------------------------------------
 
-// Windows supports the graphics format known as metafile which is, though not
-// portable, is widely used under Windows and so is supported by wxWin (under
-// Windows only, of course). Win16 (Win3.1) used the so-called "Window
-// MetaFiles" or WMFs which were replaced with "Enhanced MetaFiles" or EMFs in
-// Win32 (Win9x, NT, 2000). Both of these are supported in wxWin and, by
-// default, WMFs will be used under Win16 and EMFs under Win32. This may be
-// changed by setting wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting
-// wxUSE_ENH_METAFILE to 0. You may also set wxUSE_METAFILE to 0 to not compile
-// in any metafile related classes at all.
+// Windows supports the graphics format known as metafile which, though not
+// portable, is widely used under Windows and so is supported by wxWidgets
+// (under Windows only, of course). Both the so-called "Window MetaFiles" or
+// WMFs, and "Enhanced MetaFiles" or EMFs are supported in wxWin and, by
+// default, EMFs will be used. This may be changed by setting
+// wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting wxUSE_ENH_METAFILE to 0.
+// You may also set wxUSE_METAFILE to 0 to not compile in any metafile
+// related classes at all.
 //
 // Default is 1 for wxUSE_ENH_METAFILE and 0 for wxUSE_WIN_METAFILES_ALWAYS.
 //

include/wx/motif/setup0.h

@@ -67,6 +67,16 @@
 // Recommended setting: 0
 #define wxUSE_UNSAFE_WXSTRING_CONV 1
 
+// If set to 1, enables "reproducible builds", i.e. build output should be
+// exactly the same if the same build is redone again. As using __DATE__ and
+// __TIME__ macros clearly makes the build irreproducible, setting this option
+// to 1 disables their use in the library code.
+//
+// Default is 0
+//
+// Recommended setting: 0
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 // ----------------------------------------------------------------------------
 // debugging settings
 // ----------------------------------------------------------------------------
@@ -1283,15 +1293,14 @@
 // Metafiles support
 // ----------------------------------------------------------------------------
 
-// Windows supports the graphics format known as metafile which is, though not
-// portable, is widely used under Windows and so is supported by wxWin (under
-// Windows only, of course). Win16 (Win3.1) used the so-called "Window
-// MetaFiles" or WMFs which were replaced with "Enhanced MetaFiles" or EMFs in
-// Win32 (Win9x, NT, 2000). Both of these are supported in wxWin and, by
-// default, WMFs will be used under Win16 and EMFs under Win32. This may be
-// changed by setting wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting
-// wxUSE_ENH_METAFILE to 0. You may also set wxUSE_METAFILE to 0 to not compile
-// in any metafile related classes at all.
+// Windows supports the graphics format known as metafile which, though not
+// portable, is widely used under Windows and so is supported by wxWidgets
+// (under Windows only, of course). Both the so-called "Window MetaFiles" or
+// WMFs, and "Enhanced MetaFiles" or EMFs are supported in wxWin and, by
+// default, EMFs will be used. This may be changed by setting
+// wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting wxUSE_ENH_METAFILE to 0.
+// You may also set wxUSE_METAFILE to 0 to not compile in any metafile
+// related classes at all.
 //
 // Default is 1 for wxUSE_ENH_METAFILE and 0 for wxUSE_WIN_METAFILES_ALWAYS.
 //

include/wx/msw/setup0.h

@@ -67,6 +67,16 @@
 // Recommended setting: 0
 #define wxUSE_UNSAFE_WXSTRING_CONV 1
 
+// If set to 1, enables "reproducible builds", i.e. build output should be
+// exactly the same if the same build is redone again. As using __DATE__ and
+// __TIME__ macros clearly makes the build irreproducible, setting this option
+// to 1 disables their use in the library code.
+//
+// Default is 0
+//
+// Recommended setting: 0
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 // ----------------------------------------------------------------------------
 // debugging settings
 // ----------------------------------------------------------------------------
@@ -1283,15 +1293,14 @@
 // Metafiles support
 // ----------------------------------------------------------------------------
 
-// Windows supports the graphics format known as metafile which is, though not
-// portable, is widely used under Windows and so is supported by wxWin (under
-// Windows only, of course). Win16 (Win3.1) used the so-called "Window
-// MetaFiles" or WMFs which were replaced with "Enhanced MetaFiles" or EMFs in
-// Win32 (Win9x, NT, 2000). Both of these are supported in wxWin and, by
-// default, WMFs will be used under Win16 and EMFs under Win32. This may be
-// changed by setting wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting
-// wxUSE_ENH_METAFILE to 0. You may also set wxUSE_METAFILE to 0 to not compile
-// in any metafile related classes at all.
+// Windows supports the graphics format known as metafile which, though not
+// portable, is widely used under Windows and so is supported by wxWidgets
+// (under Windows only, of course). Both the so-called "Window MetaFiles" or
+// WMFs, and "Enhanced MetaFiles" or EMFs are supported in wxWin and, by
+// default, EMFs will be used. This may be changed by setting
+// wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting wxUSE_ENH_METAFILE to 0.
+// You may also set wxUSE_METAFILE to 0 to not compile in any metafile
+// related classes at all.
 //
 // Default is 1 for wxUSE_ENH_METAFILE and 0 for wxUSE_WIN_METAFILES_ALWAYS.
 //
@@ -1374,7 +1383,7 @@
 
 // Use wxDropTarget and wxDropSource classes for drag and drop (this is
 // different from "built in" drag and drop in wxTreeCtrl which is always
-// available). Requires wxUSE_DATAOBJ and wxUSE_OLE.
+// available). Requires wxUSE_DATAOBJ.
 //
 // Default is 1.
 //

include/wx/osx/setup0.h

@@ -68,6 +68,16 @@
 // Recommended setting: 0
 #define wxUSE_UNSAFE_WXSTRING_CONV 1
 
+// If set to 1, enables "reproducible builds", i.e. build output should be
+// exactly the same if the same build is redone again. As using __DATE__ and
+// __TIME__ macros clearly makes the build irreproducible, setting this option
+// to 1 disables their use in the library code.
+//
+// Default is 0
+//
+// Recommended setting: 0
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 // ----------------------------------------------------------------------------
 // debugging settings
 // ----------------------------------------------------------------------------
@@ -1284,15 +1294,14 @@
 // Metafiles support
 // ----------------------------------------------------------------------------
 
-// Windows supports the graphics format known as metafile which is, though not
-// portable, is widely used under Windows and so is supported by wxWin (under
-// Windows only, of course). Win16 (Win3.1) used the so-called "Window
-// MetaFiles" or WMFs which were replaced with "Enhanced MetaFiles" or EMFs in
-// Win32 (Win9x, NT, 2000). Both of these are supported in wxWin and, by
-// default, WMFs will be used under Win16 and EMFs under Win32. This may be
-// changed by setting wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting
-// wxUSE_ENH_METAFILE to 0. You may also set wxUSE_METAFILE to 0 to not compile
-// in any metafile related classes at all.
+// Windows supports the graphics format known as metafile which, though not
+// portable, is widely used under Windows and so is supported by wxWidgets
+// (under Windows only, of course). Both the so-called "Window MetaFiles" or
+// WMFs, and "Enhanced MetaFiles" or EMFs are supported in wxWin and, by
+// default, EMFs will be used. This may be changed by setting
+// wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting wxUSE_ENH_METAFILE to 0.
+// You may also set wxUSE_METAFILE to 0 to not compile in any metafile
+// related classes at all.
 //
 // Default is 1 for wxUSE_ENH_METAFILE and 0 for wxUSE_WIN_METAFILES_ALWAYS.
 //
@@ -1439,10 +1448,6 @@
 // Compile wxUIActionSimulator class?
 #define wxUSE_UIACTIONSIMULATOR 1
 
-// This is only used under Unix, but needs to be defined here as it's checked
-// by wx/unix/chkconf.h.
-#define wxUSE_XTEST 0
-
 // ----------------------------------------------------------------------------
 // wxDC classes for various output formats
 // ----------------------------------------------------------------------------

include/wx/setup_inc.h

@@ -63,6 +63,16 @@
 // Recommended setting: 0
 #define wxUSE_UNSAFE_WXSTRING_CONV 1
 
+// If set to 1, enables "reproducible builds", i.e. build output should be
+// exactly the same if the same build is redone again. As using __DATE__ and
+// __TIME__ macros clearly makes the build irreproducible, setting this option
+// to 1 disables their use in the library code.
+//
+// Default is 0
+//
+// Recommended setting: 0
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 // ----------------------------------------------------------------------------
 // debugging settings
 // ----------------------------------------------------------------------------

include/wx/univ/setup0.h

@@ -66,6 +66,16 @@
 // Recommended setting: 0
 #define wxUSE_UNSAFE_WXSTRING_CONV 1
 
+// If set to 1, enables "reproducible builds", i.e. build output should be
+// exactly the same if the same build is redone again. As using __DATE__ and
+// __TIME__ macros clearly makes the build irreproducible, setting this option
+// to 1 disables their use in the library code.
+//
+// Default is 0
+//
+// Recommended setting: 0
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 // ----------------------------------------------------------------------------
 // debugging settings
 // ----------------------------------------------------------------------------
@@ -1282,15 +1292,14 @@
 // Metafiles support
 // ----------------------------------------------------------------------------
 
-// Windows supports the graphics format known as metafile which is, though not
-// portable, is widely used under Windows and so is supported by wxWin (under
-// Windows only, of course). Win16 (Win3.1) used the so-called "Window
-// MetaFiles" or WMFs which were replaced with "Enhanced MetaFiles" or EMFs in
-// Win32 (Win9x, NT, 2000). Both of these are supported in wxWin and, by
-// default, WMFs will be used under Win16 and EMFs under Win32. This may be
-// changed by setting wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting
-// wxUSE_ENH_METAFILE to 0. You may also set wxUSE_METAFILE to 0 to not compile
-// in any metafile related classes at all.
+// Windows supports the graphics format known as metafile which, though not
+// portable, is widely used under Windows and so is supported by wxWidgets
+// (under Windows only, of course). Both the so-called "Window MetaFiles" or
+// WMFs, and "Enhanced MetaFiles" or EMFs are supported in wxWin and, by
+// default, EMFs will be used. This may be changed by setting
+// wxUSE_WIN_METAFILES_ALWAYS to 1 and/or setting wxUSE_ENH_METAFILE to 0.
+// You may also set wxUSE_METAFILE to 0 to not compile in any metafile
+// related classes at all.
 //
 // Default is 1 for wxUSE_ENH_METAFILE and 0 for wxUSE_WIN_METAFILES_ALWAYS.
 //

setup.h.in

@@ -153,6 +153,8 @@
 
 #define wxUSE_UNSAFE_WXSTRING_CONV 0
 
+#define wxUSE_REPRODUCIBLE_BUILD 0
+
 
 
 #define wxUSE_ON_FATAL_EXCEPTION 0