glpk: add gmp support

recipes/glpk/all/conanfile.py

@@ -3,10 +3,9 @@
 from conan.tools.build import cross_building
 from conan.tools.env import Environment, VirtualBuildEnv, VirtualRunEnv
 from conan.tools.files import copy, get, rename, rm
-from conan.tools.gnu import Autotools, AutotoolsToolchain
+from conan.tools.gnu import Autotools, AutotoolsToolchain, PkgConfigDeps
 from conan.tools.layout import basic_layout
-from conan.tools.microsoft import is_msvc, unix_path
-from conan.tools.scm import Version
+from conan.tools.microsoft import is_msvc, unix_path, check_min_vs
 import os
 
 required_conan_version = ">=1.54.0"
@@ -24,10 +23,12 @@ class GlpkConan(ConanFile):
     options = {
         "shared": [True, False],
         "fPIC": [True, False],
+        "with_gmp": [True, False],
     }
     default_options = {
         "shared": False,
         "fPIC": True,
+        "with_gmp": True,
     }
 
     @property
@@ -47,8 +48,14 @@ def configure(self):
     def layout(self):
         basic_layout(self, src_folder="src")
 
+    def requirements(self):
+        if self.options.with_gmp:
+            self.requires("gmp/6.3.0")
+
     def build_requirements(self):
         self.tool_requires("libtool/2.4.7")
+        if not self.conf.get("tools.gnu:pkg_config", check_type=str):
+            self.tool_requires("pkgconf/2.1.0")
         if self._settings_build.os == "Windows":
             self.win_bash = True
             if not self.conf.get("tools.microsoft.bash:path", check_type=str):
@@ -68,12 +75,12 @@ def generate(self):
             env.generate(scope="build")
 
         tc = AutotoolsToolchain(self)
+        yes_no = lambda v: "yes" if v else "no"
+        tc.configure_args.append(f"--with-gmp={yes_no(self.options.with_gmp)}")
         if is_msvc(self):
             tc.extra_defines.append("__WOE__")
-        if (Version(conan_version).major < "2" and self.settings.compiler == "Visual Studio" \
-            and Version(self.settings.compiler.version) >= "12") or \
-           (self.settings.compiler == "msvc" and Version(self.settings.compiler.version) >= "180"):
-            tc.extra_cflags.append("-FS")
+            if check_min_vs(180, raise_invalid=False):
+                tc.extra_cflags.append("-FS")
         tc.generate()
 
         if is_msvc(self):
@@ -91,6 +98,9 @@ def generate(self):
             env.define("STRIP", ":")
             env.vars(self).save_script("conanbuild_msvc")
 
+        deps = PkgConfigDeps(self)
+        deps.generate()
+
     def build(self):
         autotools = Autotools(self)
         autotools.autoreconf()