Avoid assuming that RGBDS is the root CMakeLists

This breaks rgbds-live building us as a subproject, for example
This commit is contained in:
ISSOtm
2026-08-15 20:05:17 +02:00
parent 307846b03e
commit cda77721d4
+11 -11
View File
@@ -11,21 +11,21 @@ file(STRINGS "include/version.hpp" version_defines REGEX "^[ \t]*#define[ \t]+PA
foreach(line IN LISTS version_defines)
# We want the `CMAKE_MATCH_n` variables, so we just need to run *some* regex op.
string(REGEX MATCH "PACKAGE_(VERSION_[^ \t]+)[ \t]+([0-9]+)" dummy "${line}")
set("${CMAKE_MATCH_1}" "${CMAKE_MATCH_2}")
set("RGBDS_${CMAKE_MATCH_1}" "${CMAKE_MATCH_2}")
endforeach()
project(rgbds
VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}"
VERSION "${RGBDS_VERSION_MAJOR}.${RGBDS_VERSION_MINOR}.${RGBDS_VERSION_PATCH}"
LANGUAGES CXX
DESCRIPTION "Game Boy assembly toolchain"
HOMEPAGE_URL "https://rgbds.gbdev.io")
if(DEFINED VERSION_RC)
string(APPEND CMAKE_PROJECT_VERSION "-rc${VERSION_RC}")
string(APPEND PROJECT_VERSION "-rc${RGBDS_VERSION_RC}")
endif()
# Reject in-source builds, as they may conflict with the Makefile.
get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
get_filename_component(srcdir "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH)
get_filename_component(bindir "${CMAKE_CURRENT_BINARY_DIR}" REALPATH)
if(srcdir STREQUAL bindir)
message(FATAL_ERROR "RGBDS should not be built in the source directory.
Instead, create a separate build directory and specify to CMake the path to the source directory.")
@@ -92,7 +92,7 @@ if(NOT Git_FOUND)
else()
execute_process(COMMAND "${GIT_EXECUTABLE}" --git-dir=.git -c safe.directory='*'
describe --tags --dirty --always --match "v[0-9]*"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE GIT_REV OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_VARIABLE git_err ERROR_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE result)
@@ -107,10 +107,10 @@ else()
if(NOT "${GIT_REV}" MATCHES "^v[0-9]+\\.[0-9]+\\.[0-9]+(-rc[0-9]+)?")
# Can't find an ancestor tag! (That passes `--match`, anyway.)
message(WARNING "No `v*` Git tag reachable; falling back")
elseif(NOT CMAKE_MATCH_0 STREQUAL "v${CMAKE_PROJECT_VERSION}")
elseif(NOT CMAKE_MATCH_0 STREQUAL "v${PROJECT_VERSION}")
message(SEND_ERROR "\
Version mismatch! Git says ${CMAKE_MATCH_0},
version.hpp says v${CMAKE_PROJECT_VERSION}!")
version.hpp says v${PROJECT_VERSION}!")
endif()
endif()
endif()
@@ -215,14 +215,14 @@ endforeach()
# the rest is rather convention from our side, and thus more appropriate for presets or CLI flags.
## CPACK_PACKAGE_NAME: copied from `project()`
set(CPACK_PACKAGE_VENDOR "GBDev")
set(CPACK_PACKAGE_VERSION "${CMAKE_PROJECT_VERSION}") # The individual components are defined implicitly.
set(CPACK_PACKAGE_VERSION "${PROJECT_VERSION}") # The individual components are defined implicitly.
set(CPACK_PACKAGE_DESCRIPTION "An assembly toolchain for the Nintendo Game Boy and Game Boy Color") # Same as our repo's description.
## CPACK_PACKAGE_DESCRIPTION_SUMMARY: copied from `project()`
set(CPACK_PACKAGE_HOMEPAGE_URL "https://rgbds.gbdev.io")
## CPACK_PACKAGE_FILE_NAME: should be provided at runtime (`cpack -P`)
set(CPACK_PACKAGE_CHECKSUM SHA256)
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/LICENSE")
set(CPACK_RESOURCE_FILE_README "${CMAKE_SOURCE_DIR}/README.md")
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
set(CPACK_STRIP_FILES ON) # Only applies to binary packages, not sources.
set(CPACK_VERBATIM_VARIABLES ON)
set(CPACK_THREADS 0) # Use all available CPU cores.