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Dmitry Vedenko 8aca9d02de Add the first Conan-based dependecies
add_conan_lib cmake function is defined, that allows to add a dependency using Conan with two possible system fallbacks:

1. pkg_check_modules is invoked, if `PGK_CONFIG ...` is present
2. find_package is invoked if `FIND_PACKAGE_OPTIONS` is present and `pkg_check_modules` has failed

If `ALWAYS_ALLOW_CONAN_FALLBACK` is present - `obey_system_dependencies` will be ignored for the package

Currently, the following dependencies are retrieved using Conan:

* zlib
* expat
* wxwidgets
* libmp3lame
* libid3tag
* libmad

The last three libraries are included in this commit, as they depend on zlib.
Properly pass **arch** and **os.version** to Conan
2021-05-24 06:53:53 -07:00

122 lines
3.2 KiB
CMake

# Copy library during build and, on the Mac, modify the dependent
# library paths.
#
# Defines required:
#
# SRC source library name
# DST destination directory
#
message( "==================================================================" )
message( "Copying shared libraries:" )
message( "==================================================================" )
# list command no longer ignores empty elements.
cmake_policy( SET CMP0007 NEW )
function( execute )
list( POP_FRONT ARGV outlist )
execute_process(
COMMAND
${ARGV}
OUTPUT_VARIABLE
cmd_out
# COMMAND_ECHO STDOUT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
#message("OUTPUT\n${cmd_out}")
# Convert output to list and strip
string( REPLACE "\n" ";" cmd_out "${cmd_out}" )
list( TRANSFORM cmd_out STRIP )
set( ${outlist} ${cmd_out} PARENT_SCOPE )
endfunction()
function( gather_libs src )
if( CMAKE_HOST_SYSTEM_NAME MATCHES "Windows" )
execute( output cmd /k dumpbin /dependents ${src} )
foreach( line ${output} )
set( lib ${WXWIN}/${line} )
if( EXISTS "${lib}" )
list( APPEND libs ${lib} )
gather_libs( ${lib} )
endif()
endforeach()
elseif( CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin" )
message(STATUS "Checking ${src} for libraries...")
execute( output otool -L ${src} )
set( libname "${src}" )
foreach( line ${output} )
if( line MATCHES "^.*\\.dylib " )
string( REGEX REPLACE "dylib .*" "dylib" line "${line}" )
set( lib "${WXWIN}/${line}" )
if( NOT lib STREQUAL "${src}" AND NOT line MATCHES "@executable" AND EXISTS "${lib}")
message(STATUS "\tProcessing ${lib}...")
list( APPEND libs ${lib} )
get_filename_component( refname "${lib}" NAME )
message(STATUS "\t\tAdding ${refname} to ${src}")
list( APPEND postcmds "sh -c 'install_name_tool -change ${refname} @executable_path/../Frameworks/${refname} ${src}'" )
gather_libs( ${lib} )
endif()
endif()
endforeach()
elseif( CMAKE_HOST_SYSTEM_NAME MATCHES "Linux" )
message(STATUS "Executing LD_LIBRARY_PATH='${WXWIN}' ldd ${src}")
execute( output sh -c "LD_LIBRARY_PATH='${WXWIN}' ldd ${src}" )
get_filename_component( libname "${src}" NAME )
foreach( line ${output} )
message (STATUS "\tChecking ${line}...")
string( REGEX REPLACE "(.*) => .* \\(.*$" "\\1" line "${line}" )
set(line "${WXWIN}/${line}")
if (EXISTS "${line}")
message (STATUS "\tAdding ${line}...")
set( lib ${line} )
list( APPEND libs ${lib} )
gather_libs( ${lib} )
endif()
endforeach()
endif()
set( libs ${libs} PARENT_SCOPE )
set( postcmds ${postcmds} PARENT_SCOPE )
endfunction()
gather_libs( "${SRC}" )
list( REMOVE_DUPLICATES postcmds )
foreach( cmd ${postcmds} )
execute_process(
COMMAND
sh -c "${cmd}"
COMMAND_ECHO STDOUT
)
endforeach()
list( REMOVE_DUPLICATES libs )
file( INSTALL ${libs} DESTINATION ${DST} FOLLOW_SYMLINK_CHAIN )