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build: 64-bit targets only

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CMake refuses to configure when pointers aren't 8 bytes, and dCommonVars.h
asserts it, so sent and stored sizes can't silently change width.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-30 08:52:52 -05:00
parent c01828a3bb
commit ee23d80815
3 changed files with 9 additions and 0 deletions
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5
CMakeLists.txt
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@@ -9,6 +9,11 @@ if("${CMAKE_SOURCE_DIR}" MATCHES " ")
message(FATAL_ERROR "The server cannot build in the path (" ${CMAKE_SOURCE_DIR} ") because it contains a space. Please move the server to a path without spaces.") message(FATAL_ERROR "The server cannot build in the path (" ${CMAKE_SOURCE_DIR} ") because it contains a space. Please move the server to a path without spaces.")
endif() endif()
# Only 64-bit builds are supported: sent and stored values assume 64-bit pointers and sizes
if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
message(FATAL_ERROR "The server only builds for 64-bit targets (this configuration is ${CMAKE_SIZEOF_VOID_P}-byte pointers). Use a 64-bit compiler and generator, e.g. -A x64 with Visual Studio.")
endif()
include(CTest) include(CTest)
set(CMAKE_C_STANDARD 99) set(CMAKE_C_STANDARD 99)

2
README.md
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@@ -326,6 +326,8 @@ CREATE DATABASE darkflame;
``` ```
## Build the server ## Build the server
The server only builds for 64-bit targets; CMake refuses to configure a 32-bit build.
You can either run `build.sh` when in the root folder of the repository: You can either run `build.sh` when in the root folder of the repository:
```bash ```bash

2
dCommon/dEnums/dCommonVars.h
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@@ -14,6 +14,8 @@
#pragma warning (disable:4251) //Disables SQL warnings #pragma warning (disable:4251) //Disables SQL warnings
static_assert(sizeof(void*) == 8, "The server only builds for 64-bit targets");
// These are the same define, but they mean two different things in different contexts // These are the same define, but they mean two different things in different contexts
// so a different define to distinguish what calculation is happening will help clarity. // so a different define to distinguish what calculation is happening will help clarity.
#define FRAMES_TO_MS(x) (1000 / (x)) #define FRAMES_TO_MS(x) (1000 / (x))