add GLPK package (#3165)

* add GLPK package

* add a library call to glpk

* apt is available only on Linux

* try to build on windows too

* remove readonly on config("shared")

* fix glpk_5_0.def for shared library

* use package version to set filenames

* allow only x86_64 for macos

* fix mistakes

packages/g/glpk/xmake.lua

@@ -0,0 +1,53 @@
+package("glpk")
+    set_homepage("https://www.gnu.org/software/glpk/")
+    set_description("The GLPK (GNU Linear Programming Kit) package is intended for solving large-scale linear programming (LP), mixed integer programming (MIP), and other related problems.")
+    set_license("GPL-3.0")
+
+    set_urls("https://ftp.gnu.org/gnu/glpk/glpk-$(version).tar.gz")
+
+    add_versions("5.0", "4a1013eebb50f728fc601bdd833b0b2870333c3b3e5a816eeba921d95bec6f15")
+
+    if is_plat("linux") then
+        add_extsources("apt::libglpk-dev")
+    end
+
+    on_install("macosx|x86_64", "linux", function (package)
+        local configs = {}
+        table.insert(configs, "--enable-shared=" .. (package:config("shared") and "yes" or "no"))
+        table.insert(configs, "--enable-static=" .. (package:config("shared") and "no" or "yes"))
+        import("package.tools.autoconf").install(package, configs)
+    end)
+
+    on_install("windows", function (package)
+        os.cd("w64") -- Makefiles are the same in w64 and w32 directory
+        os.cp("config_VC", "config.h")
+        local version = package:version()
+        local basename = string.format("glpk_%d_%d", version:major(), version:minor())
+         -- glp_netgen_prob is not defined, but should be disabled
+         -- see: https://www.mail-archive.com/bug-glpk@gnu.org/msg01020.html
+        io.replace(basename .. ".def", "glp_netgen_prob\n", "", {plain = true})
+        import("package.tools.nmake").build(package, {"/f", package:config("shared") and "makefile_VC_DLL" or "makefile_VC"})
+
+        if package:config("shared") then
+            os.cp(basename .. ".dll", package:installdir("bin"))
+            os.cp(basename .. ".lib", package:installdir("lib"))
+        else
+            os.cp("glpk.lib", package:installdir("lib"))
+        end
+
+        os.cd("..")
+        os.cp("src/glpk.h", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <glpk.h>
+            int main() {
+              glp_prob* prob = glp_create_prob();
+              if (prob) {
+                glp_delete_prob(prob);
+              }
+              return 0;
+            }
+        ]]}))
+    end)