Files
libgit2/cmake/SelectHTTPParser.cmake
Edward Thomson 0c675b8c84 cmake: enforce USE_HTTP_PARSER validity
When `-DUSE_HTTP_PARSER=...` is specified, ensure that the specified
HTTP Parser is valid, do not fallback to builtin.

Restore `-DUSE_HTTP_PARSER=system` for backcompatibility.
2024-10-22 10:07:12 +01:00

35 lines
1.5 KiB
CMake

# Optional external dependency: http-parser
if(USE_HTTP_PARSER STREQUAL "http-parser" OR USE_HTTP_PARSER STREQUAL "system")
find_package(HTTP_Parser)
if(HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
list(APPEND LIBGIT2_SYSTEM_INCLUDES ${HTTP_PARSER_INCLUDE_DIRS})
list(APPEND LIBGIT2_SYSTEM_LIBS ${HTTP_PARSER_LIBRARIES})
list(APPEND LIBGIT2_PC_LIBS "-lhttp_parser")
set(GIT_HTTPPARSER_HTTPPARSER 1)
add_feature_info(http-parser ON "using http-parser (system)")
else()
message(FATAL_ERROR "http-parser support was requested but not found")
endif()
elseif(USE_HTTP_PARSER STREQUAL "llhttp")
find_package(LLHTTP)
if(LLHTTP_FOUND AND LLHTTP_VERSION_MAJOR EQUAL 9)
list(APPEND LIBGIT2_SYSTEM_INCLUDES ${LLHTTP_INCLUDE_DIRS})
list(APPEND LIBGIT2_SYSTEM_LIBS ${LLHTTP_LIBRARIES})
list(APPEND LIBGIT2_PC_LIBS "-lllhttp")
set(GIT_HTTPPARSER_LLHTTP 1)
add_feature_info(http-parser ON "using llhttp (system)")
else()
message(FATAL_ERROR "llhttp support was requested but not found")
endif()
elseif(USE_HTTP_PARSER STREQUAL "" OR USE_HTTP_PARSER STREQUAL "builtin")
add_subdirectory("${PROJECT_SOURCE_DIR}/deps/llhttp" "${PROJECT_BINARY_DIR}/deps/llhttp")
list(APPEND LIBGIT2_DEPENDENCY_INCLUDES "${PROJECT_SOURCE_DIR}/deps/llhttp")
list(APPEND LIBGIT2_DEPENDENCY_OBJECTS "$<TARGET_OBJECTS:llhttp>")
set(GIT_HTTPPARSER_BUILTIN 1)
add_feature_info(http-parser ON "using bundled parser")
else()
message(FATAL_ERROR "unknown http-parser: ${USE_HTTP_PARSER}")
endif()