| # support for eCos http://ecos.sourceware.org |
| |
| # Guard against multiple inclusion, which e.g. leads to multiple calls to add_definition() #12987 |
| if(__ECOS_CMAKE_INCLUDED) |
| return() |
| endif() |
| set(__ECOS_CMAKE_INCLUDED TRUE) |
| |
| set(CMAKE_SHARED_LIBRARY_C_FLAGS "") # -pic |
| set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "") # -shared |
| set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib |
| set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "") # -rpath |
| set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP "") # : or empty |
| |
| set(CMAKE_LINK_LIBRARY_SUFFIX "") |
| set(CMAKE_STATIC_LIBRARY_PREFIX "lib") |
| set(CMAKE_STATIC_LIBRARY_SUFFIX ".a") |
| set(CMAKE_SHARED_LIBRARY_PREFIX "lib") # lib |
| set(CMAKE_SHARED_LIBRARY_SUFFIX ".a") # .a |
| set(CMAKE_EXECUTABLE_SUFFIX ".elf") # same suffix as if built using UseEcos.cmake |
| set(CMAKE_DL_LIBS "" ) |
| |
| set(CMAKE_FIND_LIBRARY_PREFIXES "lib") |
| set(CMAKE_FIND_LIBRARY_SUFFIXES ".a") |
| |
| |
| include(Platform/UnixPaths) |
| |
| # eCos can be built only with gcc |
| get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE) |
| if(CMAKE_C_COMPILER AND NOT CMAKE_C_COMPILER_ID MATCHES "GNU" AND NOT _IN_TC) |
| message(FATAL_ERROR "GNU gcc is required for eCos") |
| endif() |
| if(CMAKE_CXX_COMPILER AND NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU" AND NOT _IN_TC) |
| message(FATAL_ERROR "GNU g++ is required for eCos") |
| endif() |
| |
| # find eCos system files |
| find_path(ECOS_SYSTEM_CONFIG_HEADER_PATH NAMES pkgconf/system.h) |
| find_library(ECOS_SYSTEM_TARGET_LIBRARY NAMES libtarget.a) |
| |
| if(NOT ECOS_SYSTEM_CONFIG_HEADER_PATH) |
| message(FATAL_ERROR "Could not find eCos pkgconf/system.h. Build eCos first and set up CMAKE_FIND_ROOT_PATH correctly.") |
| endif() |
| |
| if(NOT ECOS_SYSTEM_TARGET_LIBRARY) |
| message(FATAL_ERROR "Could not find eCos \"libtarget.a\". Build eCos first and set up CMAKE_FIND_ROOT_PATH correctly.") |
| endif() |
| |
| get_filename_component(ECOS_LIBTARGET_DIRECTORY "${ECOS_SYSTEM_TARGET_LIBRARY}" PATH) |
| include_directories(${ECOS_SYSTEM_CONFIG_HEADER_PATH}) |
| add_definitions(-D__ECOS__=1 -D__ECOS=1) |
| |
| # special link commands for eCos executables |
| set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -nostdlib -nostartfiles -L${ECOS_LIBTARGET_DIRECTORY} -Ttarget.ld <LINK_LIBRARIES>") |
| set(CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> -nostdlib -nostartfiles -L${ECOS_LIBTARGET_DIRECTORY} -Ttarget.ld <LINK_LIBRARIES>") |
| |
| # eCos doesn't support shared libs |
| set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE) |
| |
| set(CMAKE_CXX_LINK_SHARED_LIBRARY ) |
| set(CMAKE_CXX_LINK_MODULE_LIBRARY ) |
| set(CMAKE_C_LINK_SHARED_LIBRARY ) |
| set(CMAKE_C_LINK_MODULE_LIBRARY ) |
| |