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macro(libtool_create_control_file _target)
get_target_property(_target_location ${_target} LOCATION)
get_target_property(_target_type ${_target} TYPE)
message("-- Creating static libtool control file for target ${_target}")
# No support for shared libraries, as TigerVNC only needs libtool config
# files for static libraries.
if("${_target_type}" MATCHES "^[^STATIC_LIBRARY]$")
message(ERROR " - trying to use libtool_create_control_file for non-static library target.")
endif()
#
# Parse the target_LIB_DEPENDS variable to determine which libraries to put
# into libtool control file as library dependencies, and handle a few corner
# cases.
#
foreach(library ${${_target}_LIB_DEPENDS})
# Assume all entries are shared libs if platform-specific static library
# extension is not matched.
if("${library}" MATCHES "[^.+\\${CMAKE_STATIC_LIBRARY_SUFFIX}]$")
if("${library}" MATCHES ".+\\${CMAKE_SHARED_LIBRARY_SUFFIX}$")
# Shared library extension matched, so extract the path and library
# name, then add the result to the libtool dependency libs. This
# will always be an absolute path, because that's what CMake uses
# internally.
get_filename_component(_shared_lib ${library} NAME_WE)
get_filename_component(_shared_lib_path ${library} PATH)
string(REPLACE "lib" "" _shared_lib ${_shared_lib})
set(_target_dependency_libs "${_target_dependency_libs} -L${_shared_lib_path} -l${_shared_lib}")
else()
# No shared library extension matched. Check whether target is a CMake
# target.
get_target_property(_ltp ${library} TYPE)
if(NOT _ltp AND NOT ${library} STREQUAL "general")
# Not a CMake target, so use find_library() to attempt to locate the
# library in a system directory.
find_library(FL ${library})
if(FL)
# Found library, so extract the path and library name, then add the
# result to the libtool dependency libs.
get_filename_component(_shared_lib ${FL} NAME_WE)
get_filename_component(_shared_lib_path ${FL} PATH)
string(REPLACE "lib" "" _shared_lib ${_shared_lib})
set(_target_dependency_libs "${_target_dependency_libs} -L${_shared_lib_path} -l${_shared_lib}")
else()
# No shared library found, so ignore target.
endif()
else()
# Target is a CMake target, so ignore if (CMake targets are static
# libs in TigerVNC.)
endif()
endif()
else()
# Detected a static library. Check whether the library pathname is
# absolute and, if not, use find_library() to get the abolute path.
get_filename_component(_name ${library} NAME)
string(REPLACE "${_name}" "" _path ${library})
if(NOT "${_path}" STREQUAL "")
# Pathname is absolute, so add it to the libtool library dependencies
# as-is.
set(_target_dependency_libs "${_target_dependency_libs} ${library}")
else()
# Pathname is not absolute, so use find_library() to get the absolute
# path.
find_library(FL ${library})
if(FL)
# Absolute pathname found. Add it.
set(_target_dependency_libs "${_target_dependency_libs} ${FL}")
else()
# No absolute pathname found. Ignore it.
endif()
endif()
endif()
endforeach()
# Write the libtool control file for the static library
get_filename_component(_lname ${_target_location} NAME_WE)
set(_laname ${CMAKE_CURRENT_BINARY_DIR}/${_lname}.la)
file(WRITE ${_laname} "# ${_lname}.la - a libtool library file\n# Generated by ltmain.sh (GNU libtool) 2.2.6b\n")
file(APPEND ${_laname} "dlname=''\n\n")
file(APPEND ${_laname} "library_names=''\n\n")
file(APPEND ${_laname} "old_library='${_lname}${CMAKE_STATIC_LIBRARY_SUFFIX}'\n\n")
file(APPEND ${_laname} "inherited_linker_flags=''\n\n")
file(APPEND ${_laname} "dependency_libs=' ${_target_dependency_libs}'\n\n")
file(APPEND ${_laname} "weak_library_names=''\n\n")
file(APPEND ${_laname} "current=\n")
file(APPEND ${_laname} "age=\n")
file(APPEND ${_laname} "revision=\n\n")
file(APPEND ${_laname} "installed=no\n\n")
file(APPEND ${_laname} "shouldnotlink=no\n\n")
file(APPEND ${_laname} "dlopen=''\n")
file(APPEND ${_laname} "dlpreopen=''\n\n")
file(APPEND ${_laname} "libdir=''\n\n")
# Add custom command to symlink the static library so that autotools finds
# the library in .libs. These are executed after the specified target build.
add_custom_command(TARGET ${_target} POST_BUILD COMMAND
"${CMAKE_COMMAND}" -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/.libs")
add_custom_command(TARGET ${_target} POST_BUILD COMMAND
"${CMAKE_COMMAND}" -E create_symlink ${_target_location} "${CMAKE_CURRENT_BINARY_DIR}/.libs/${_lname}${CMAKE_STATIC_LIBRARY_SUFFIX}")
endmacro()
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