conanfile.py

from conans import ConanFile, CMake
from conans.tools import download, unzip
import os

class GLFW3Conan(ConanFile):
    name = "GLFW3"
    version = "3.1.2"
    settings = "os", "compiler", "build_type", "arch"
    folder = "glfw-%s" % version

    def source(self):
        filename = "%s.zip" % self.folder
        download("https://github.com/glfw/glfw/releases/download/%s/%s" % (self.version, filename), filename)
        unzip(filename)

    def build(self):
        cmake = CMake(self.settings)
        self.run("cd %s && mkdir build" % self.folder)
        self.run("cd %s/build && cmake .. %s" % (self.folder, cmake.command_line))
        self.run("cd %s/build && cmake --build . %s" % (self.folder, cmake.build_config))

    def package(self):
        self.copy("*.h", dst="include", src="%s/include" % self.folder)
        self.copy("*.lib", dst="lib", src="%s/build/src" % self.folder)
        self.copy("*.a", dst="lib",  src="%s/build/src" % self.folder)
        self.copy("*.pc", dst="pkg-config",  src="%s/build/src" % self.folder)

    def package_info(self):
        self.cpp_info.libs = ["glfw3"]
        if self.settings.os == "Windows":
            return
        else:
            cflags = os.popen("PKG_CONFIG_PATH=./pkg-config:$PKG_CONFIG_PATH pkg-config --cflags glfw3").read()
            libs   = os.popen("PKG_CONFIG_PATH=./pkg-config:$PKG_CONFIG_PATH pkg-config --static --libs glfw3").read()
            self.cpp_info.cflags.append(cflags)
            self.cpp_info.libs.append(libs)