From 55accf8605a39d94642a4f6c05af3f16751e0239 Mon Sep 17 00:00:00 2001
From: SpaceIm <30052553+SpaceIm@users.noreply.github.com>
Date: Thu, 10 Nov 2022 16:46:59 +0100
Subject: [PATCH 1/3] robust build if all shared

---
 recipes/libunwind/all/conanfile.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/recipes/libunwind/all/conanfile.py b/recipes/libunwind/all/conanfile.py
index ae31696734b8b..2d0fd7ec76064 100644
--- a/recipes/libunwind/all/conanfile.py
+++ b/recipes/libunwind/all/conanfile.py
@@ -1,5 +1,7 @@
 from conan import ConanFile
 from conan.errors import ConanInvalidConfiguration
+from conan.tools.build import cross_building
+from conan.tools.env import VirtualRunEnv
 from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, rm, rmdir
 from conan.tools.gnu import Autotools, AutotoolsToolchain, AutotoolsDeps, PkgConfigDeps
 from conan.tools.layout import basic_layout
@@ -70,6 +72,10 @@ def source(self):
         get(self, **self.conan_data["sources"][self.version], destination=self.source_folder, strip_root=True)
 
     def generate(self):
+        if not cross_building(self):
+            env = VirtualRunEnv(self)
+            env.generate(scope="build")
+
         tc = AutotoolsToolchain(self)
         yes_no = lambda v: "yes" if v else "no"
         tc.configure_args.extend([

From 39bd145ec758892f2ef080a0d502ebe4e7b2c8b0 Mon Sep 17 00:00:00 2001
From: SpaceIm <30052553+SpaceIm@users.noreply.github.com>
Date: Thu, 10 Nov 2022 16:47:42 +0100
Subject: [PATCH 2/3] remove useless stuff

---
 recipes/libunwind/all/conanfile.py | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/recipes/libunwind/all/conanfile.py b/recipes/libunwind/all/conanfile.py
index 2d0fd7ec76064..6116aae4fb2a9 100644
--- a/recipes/libunwind/all/conanfile.py
+++ b/recipes/libunwind/all/conanfile.py
@@ -3,7 +3,7 @@
 from conan.tools.build import cross_building
 from conan.tools.env import VirtualRunEnv
 from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, rm, rmdir
-from conan.tools.gnu import Autotools, AutotoolsToolchain, AutotoolsDeps, PkgConfigDeps
+from conan.tools.gnu import Autotools, AutotoolsToolchain, AutotoolsDeps
 from conan.tools.layout import basic_layout
 
 import os
@@ -38,14 +38,6 @@ class LiunwindConan(ConanFile):
         "zlibdebuginfo": True,
     }
 
-    @property
-    def _settings_build(self):
-        return getattr(self, "settings_build", self.settings)
-
-    @property
-    def _user_info_build(self):
-        return getattr(self, "user_info_build", self.deps_user_info)
-
     def export_sources(self):
         export_conandata_patches(self)
 
@@ -79,8 +71,6 @@ def generate(self):
         tc = AutotoolsToolchain(self)
         yes_no = lambda v: "yes" if v else "no"
         tc.configure_args.extend([
-            f"--enable-shared={yes_no(self.options.shared)}",
-            f"--enable-static={yes_no(not self.options.shared)}",
             f"--enable-coredump={yes_no(self.options.coredump)}",
             f"--enable-ptrace={yes_no(self.options.ptrace)}",
             f"--enable-setjmp={yes_no(self.options.setjmp)}",
@@ -91,9 +81,6 @@ def generate(self):
         ])
         tc.generate()
 
-        tc = PkgConfigDeps(self)
-        tc.generate()
-
         tc = AutotoolsDeps(self)
         tc.generate()
 

From ffd65f2a974b9d938cd4106dc1275c687aa5a65e Mon Sep 17 00:00:00 2001
From: SpaceIm <30052553+SpaceIm@users.noreply.github.com>
Date: Thu, 10 Nov 2022 16:47:55 +0100
Subject: [PATCH 3/3] self.info in validate()

---
 recipes/libunwind/all/conanfile.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/recipes/libunwind/all/conanfile.py b/recipes/libunwind/all/conanfile.py
index 6116aae4fb2a9..ffee26f9f1853 100644
--- a/recipes/libunwind/all/conanfile.py
+++ b/recipes/libunwind/all/conanfile.py
@@ -57,7 +57,7 @@ def requirements(self):
             self.requires("zlib/1.2.13")
 
     def validate(self):
-        if self.settings.os not in ["Linux", "FreeBSD"]:
+        if self.info.settings.os not in ["Linux", "FreeBSD"]:
             raise ConanInvalidConfiguration("libunwind is only supported on Linux and FreeBSD")
 
     def source(self):