There were several errors when building OpenSceneGraph for Windows:
- using namespace std caused ambiguity with some symbols, and
DisplaySettings.cpp was already prepending std:: to all standard
symbols.
- ChangeDisplaySettingsEx returns a LONG [1], so casting to unsigned int
causes loss of precisions in some platforms.
[1]: https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-changedisplaysettingsexa
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Future commits shall patch these files to fix some build-time issues in
Windows. Since CMake lacks a PATCH command as of the time of this
writing, files must be copied entirely.
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There are several errors when building plib for Windows:
- Casting a pointer to DWORD is unsafe because they might have different
sizes. DWORD_PTR [1] must be used instead.
- Casting a pointer to long is unsafe because they might have different
sizes. ptrdiff_t must be used for pointer arithmetic.
- slDSP::counter is private so it cannot be used by waveOutProc. A
public function is now defined to achieve the expected behaviour.
[1]: https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-dtyp/66d61dd8-2191-4a37-b963-e49bf0dc2579
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Future commits shall patch these files to fix some build-time issues in
Windows. Since, as of the time of this writing, CMake lacks a PATCH
command, files must be copied entirely.
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These are in fact not required.
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These are in fact not required.
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This should make the build simpler and less prone to build-time errors.
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cJSON simply does not depend on zlib, so there is no need to add the
build-time dependency.
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This library is still not used by the project.
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The Windows build of the project completely relies on shared libraries
and makes no use of static libraries.
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This standard CMake variable allows CMake to find dependencies on
non-standard directories, such as ${EXTERNALS_INSTALL_DIR}.
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Upstream rhash relies on a configure script, which is not portable to
non-POSIX platforms such as Windows.
Note: CMake support in rhash is only experimental [1] and currently
relies on in-house patches introduced by previous commits.
[1]: https://github.com/rhash/RHash/pull/103
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Upstream rhash requires to define RHASH_XVERSION as:
printf "0x%02x%02x%02x%02x" major minor patch 0
However, the CMakeLists.txt introduced by the experimental branch [1]
did not include this definition.
Since calculating this string requires complex string manipulation in
CMake, a new file, namely rhash-tohex.cmake, and a function with the
same name have been introduced.
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The experimental branch that introduced this CMakeLists.txt [1] is
probably outdated and does not reflect the current tree structure.
Note that test_lib.{c,h} and test_utils.{c,h} have been intentionally
left out since they are not meant to be part of the rhash library.
[1]: https://github.com/rhash/RHash/pull/103
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CMake support is only available from an experimental branch [1].
Future commits shall replace the rhash build defined on
3rdParty-devel/CMakeLists.txt so as to use CMake over the ad-hoc
configure script defined by upstream rhash.
The reason behind the change is to allow non-POSIX platforms (e.g.:
Windows) to configure the rhash project using CMake.
[1]: https://github.com/rhash/RHash/pull/103
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This standard CMake variable allows to cross-build the project using a
so-called "toolchain file", which defines the cross-toolchain.
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These warnings are not relevant for other CMake generators, such as
"Unix Makefiles".
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Windows systems are case-insensitive. However, POSIX systems could fail
to find libwinmm.a, as distributed by the x86_64-w64-mingw32
cross-toolchain.
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Whereas Windows systems are case-insensitive, POSIX systems could fail
to find libssgAux accordingly.
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For some unknown reason, HAVE_CONFIG_H is left undefined for Windows.
However, tgf.cpp has some references to SD_BUILD_INFO_SYSTEM and other
macros provided by config.h.
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This source file depends on VERSION_LONG, which is defined by config.h.
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According to the documentation [1], SDL.h defines `main` as a macro
so as to perform automatic initialization and replaces the main
function with `SDL_main`. In order to avoid this behaviour, the
SDL_MAIN_HANDLED macro must be defined before including SDL.h.
This commit solves link-time undefined references to `main`.
[1]: https://wiki.libsdl.org/SDL2/SDL_SetMainReady
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These properties are not transmitted with git-svn(1) [1], which might
then cause failed patches when modifying lines close to these
properties.
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This SVN-specific keyword [1] did not expand as expected on Git
repositories migrated from SVN via git-svn(1) [2]. Because of this,
applying patches with modifications would sometimes fail because, even
if these lines were not modified, they could be part of the context
lines, thus heavily confusing Git.
Since it is already expected to migrate from SVN to Git sometime soon,
this would also make $Id$ redundant.
[1]: https://svnbook.red-bean.com/en/1.7/svn.advanced.props.special.keywords.html
[2]: https://git-scm.com/docs/git-svn
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Reusing the same handle even when the menu exits introduced a bug when a
pointer to &rmRaceTypes.back() was used by rmOnSelectRaceMan, causing
undefined behaviour when rmRaceTypes was cleared by
rmOnRaceSelectShutdown.
Forcing RmRaceSelectInit to always initialise RmRaceSelectMenuHandle
fixes this because rmRaceTypes is now always initialised.
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This file was mostly using tabs, but some lines were inconsistently
indented with spaces.
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It is not portable to cast from/to void * to/from long without losing
precision.
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No callback was defined for this call to gfuiGrButtonInit, so in fact
this pointer was useless.
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Otherwise, winsock.h is implicitly #included by the Win32 API, which
might then conflict with winsock2.h.
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As opposed to C, C++ does not allow casting from void * to other pointer
types.
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This is a 0-clause BSD-licensed, tiny hash library written in C and
widely available on both POSIX and Windows systems.
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Despite its ubiquity, OpenSSL is a huge and complex library from which
only a couple of small features (SHA256 computation and pseudorandom
number generation) were being used by the project.
Therefore, this commit replaces OpenSSL with (much) smaller
dependencies.
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This function makes use of system-specific interfaces to generate
cryptographically secure pseudorandom numbers.
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More portability functions shall be defined by future commits. Since it
is preferred to keep each function on its own source file, it is also
desirable to keep them on their own directories, based on the system
they were written for.
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These casts were dangerous and not accepted by more modern compilers,
such as GCC 14. In fact, all of them could be trivially replaced with
safe and portable alternatives.
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Any references to Win32-specific symbols should be precluded with this
header file to avoid undefined reference errors.
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Unfortunately,
AbstractColorChooserPanel.setColorTransparencySelectionEnabled was
introduced by Java 9, whereas Speed Dreams still targets Java 8 (aka
1.8).
Despite the more confusing GUI, which allows users to adjust
transparency, it returns the same Color to the caller regardless
transparency, so no regressions are introduced.
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