Search code examples
c++linkerconan

how to add a dependecy to a system library in my conanfile .py?

My ConanFile.py for TWSAPI's C++ code

from conans import ConanFile, CMake, tools

IBKR_VERSION = "10.18.01"

class TwsApiConan(ConanFile):
    name = "twsapi"
    version = IBKR_VERSION
    license = "NA"
    url = "URL_TO_CODE_FORK"
    description = "Built from a mirror of the actual TWS API files in Github"
    topics = ("tws", "interactive brokers")
    settings = "os", "compiler", "build_type", "arch"
    options = {"shared": [True, False]}
    default_options = {"shared": False}
    generators = "cmake"

    def source(self):
        self.run("git clone --depth 1 --branch " + IBKR_VERSION + " git@github.com/tws-api.git")

        tools.replace_in_file("tws-api/CMakeLists.txt", "         LANGUAGES CXX )",
                              '''         LANGUAGES CXX )
add_compile_options(-std=c++17)''')

    def build(self):
        cmake = CMake(self)
        cmake.configure(source_folder="tws-api")
        cmake.build()

    def package(self):
        self.copy("*.h", dst="include", src="tws-api/source/cppclient/client")
        self.copy("*.lib", dst="lib", keep_path=False)
        self.copy("*.dll", dst="bin", keep_path=False)
        self.copy("*.so", dst="lib", keep_path=False)
        self.copy("*.dylib", dst="lib", keep_path=False)
        self.copy("*.a", dst="lib", keep_path=False)

    def package_info(self):
        self.cpp_info.libs = ["twsapi"]

Recently TWSAPI added a requirement for an obscure library.. which I have installed locally and linked in an downstream project.. but does it make sense to move that dependency into this ? I tried the following but don't see any change or signal that the libs were picked up.. is it merely my job to find them and add them under self.copy as well?

Conan References : https://github.com/conan-io/conan/issues/8044#issuecomment-726053437

Debian Package containing the libs : https://packages.debian.org/sid/libintelrdfpmath-dev


    def package_info(self):
        self.cpp_info.libs = ["twsapi", "bidgcc000"]   <--- merely calling it out doesn't work
Solution

  • I think you're looking for self.cpp_info.system_libs:

    def package_info(self):
    self.cpp_info.libs = ["twsapi"]
    self.cpp_info.system_libs = ["bidgcc000"]