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build: fetch libbsdl from git when ../libbsdl is absent

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Fall back to FetchContent (BSDL_GIT_REPOSITORY/BSDL_GIT_TAG) so a fresh
clone configures without a manual side-checkout.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Foué
2026-06-08 19:39:03 +02:00
parent dceb61237d
commit e37309aacf
3 changed files with 25 additions and 10 deletions
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19
CMakeLists.txt
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@@ -16,12 +16,25 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include(EssimFrontend)
# ----------------------------------------------------------------- core deps
# libbsdl — standalone BSDL parser (LGPL-2.1), dynamically linked (EUPL-1.2,
# which the LGPL permits). Override its path with -DBSDL_DIR=...
# libbsdl — standalone BSDL parser (LGPL-2.1), dynamically linked. Local sibling
# ../libbsdl (override -DBSDL_DIR=...) if present, else fetched from git.
set(BSDL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../libbsdl" CACHE PATH "libbsdl source tree")
set(BSDL_GIT_REPOSITORY "https://git.beafrancois.fr/electronics/libbsdl.git" CACHE STRING "libbsdl git repo (used when BSDL_DIR is absent)")
set(BSDL_GIT_TAG "main" CACHE STRING "libbsdl git revision to fetch")
set(BSDL_BUILD_CLI OFF CACHE BOOL "" FORCE)
set(BSDL_BUILD_TESTS OFF CACHE BOOL "" FORCE)
add_subdirectory(${BSDL_DIR} ${CMAKE_BINARY_DIR}/libbsdl)
if(EXISTS "${BSDL_DIR}/CMakeLists.txt")
message(STATUS "essim: libbsdl from local tree '${BSDL_DIR}'")
add_subdirectory(${BSDL_DIR} ${CMAKE_BINARY_DIR}/libbsdl)
else()
message(STATUS "essim: libbsdl absent — fetching ${BSDL_GIT_REPOSITORY} (${BSDL_GIT_TAG})")
FetchContent_Declare(libbsdl
GIT_REPOSITORY ${BSDL_GIT_REPOSITORY}
GIT_TAG ${BSDL_GIT_TAG}
GIT_SHALLOW TRUE
)
FetchContent_MakeAvailable(libbsdl)
endif()
find_package(libzip REQUIRED)
find_package(pugixml REQUIRED)