diff options
Diffstat (limited to 'Modules/Platform/eCos.cmake')
| -rw-r--r-- | Modules/Platform/eCos.cmake | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/Modules/Platform/eCos.cmake b/Modules/Platform/eCos.cmake new file mode 100644 index 0000000..e1279ef --- /dev/null +++ b/Modules/Platform/eCos.cmake @@ -0,0 +1,65 @@ +# 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 ) + |