h3: add version 4.1.0

recipes/h3/all/conandata.yml

@@ -1,4 +1,7 @@
 sources:
+  "4.1.0":
+    url: "https://github.com/uber/h3/archive/refs/tags/v4.1.0.tar.gz"
+    sha256: "ec99f1f5974846bde64f4513cf8d2ea1b8d172d2218ab41803bf6a63532272bc"
   "3.7.2":
     url: "https://github.com/uber/h3/archive/refs/tags/v3.7.2.tar.gz"
     sha256: "803a7fbbeb01f1f65cae9398bda9579a0529e7bafffc6e0e0a6d81a71b305629"
@@ -17,11 +20,21 @@ sources:
 patches:
   "3.7.2":
     - patch_file: "patches/fix-cmake-3.7.x.patch"
+      patch_description: "move project definition to head, set c99 flag"
+      patch_type: "portability"
   "3.7.1":
     - patch_file: "patches/fix-cmake-3.7.x.patch"
+      patch_description: "move project definition to head, set c99 flag"
+      patch_type: "portability"
   "3.7.0":
     - patch_file: "patches/fix-cmake-3.7.x.patch"
+      patch_description: "move project definition to head, set c99 flag"
+      patch_type: "portability"
   "3.6.4":
     - patch_file: "patches/fix-cmake-3.6.4.patch"
+      patch_description: "move project definition to head, set c99 flag"
+      patch_type: "portability"
   "3.6.3":
     - patch_file: "patches/fix-cmake-3.6.3.patch"
+      patch_description: "move project definition to head, set c99 flag"
+      patch_type: "portability"

recipes/h3/all/conanfile.py

@@ -1,9 +1,10 @@
 from conan import ConanFile
 from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
 from conan.tools.files import apply_conandata_patches, copy, get, rmdir
+from conan.tools.scm import Version
 import os
 
-required_conan_version = ">=1.47.0"
+required_conan_version = ">=1.53.0"
 
 
 class H3Conan(ConanFile):
@@ -38,19 +39,28 @@ def config_options(self):
 
     def configure(self):
         if self.options.shared:
-            del self.options.fPIC
-        try:
-            del self.settings.compiler.libcxx
-        except Exception:
-            pass
-        try:
-            del self.settings.compiler.cppstd
-        except Exception:
-            pass
+            self.options.rm_safe("fPIC")
+        self.settings.rm_safe("compiler.libcxx")
+        self.settings.rm_safe("compiler.cppstd")
 
     def layout(self):
         cmake_layout(self, src_folder="src")
 
+    def _cmake_new_enough(self, required_version):
+        try:
+            import re
+            from io import StringIO
+            output = StringIO()
+            self.run("cmake --version", output=output)
+            m = re.search(r'cmake version (\d+\.\d+\.\d+)', output.getvalue())
+            return Version(m.group(1)) >= required_version
+        except:
+            return False
+
+    def build_requirements(self):
+        if Version(self.version) >= "4.1.0" and not self._cmake_new_enough("3.20"):
+            self.tool_requires("cmake/3.25.1")
+
     def source(self):
         get(self, **self.conan_data["sources"][self.version],
             destination=self.source_folder, strip_root=True)

recipes/h3/all/test_package/CMakeLists.txt

@@ -5,3 +5,7 @@ find_package(h3 REQUIRED CONFIG)
 
 add_executable(${PROJECT_NAME} test_package.c)
 target_link_libraries(${PROJECT_NAME} PRIVATE h3::h3)
+
+if(h3_VERSION VERSION_GREATER_EQUAL "4.0.0")
+    target_compile_definitions(${PROJECT_NAME} PRIVATE "H3_VERSION_4_LATER")
+endif()

recipes/h3/all/test_package/test_package.c

@@ -23,6 +23,8 @@
 #include <inttypes.h>
 #include <stdio.h>
 
+#ifndef H3_VERSION_4_LATER
+
 int main() {
   // Get the H3 index of some location and print it.
   GeoCoord location;
@@ -51,3 +53,37 @@ int main() {
 
   return 0;
 }
+
+#else
+
+int main() {
+  // Get the H3 index of some location and print it.
+  LatLng location;
+  location.lat = degsToRads(40.689167);
+  location.lng = degsToRads(-74.044444);
+  int resolution = 10;
+  H3Index indexed;
+  latLngToCell(&location, resolution, &indexed);
+  printf("The index is: %" PRIx64 "\n", indexed);
+
+  // Get the vertices of the H3 index.
+  CellBoundary boundary;
+  cellToBoundary(indexed, &boundary);
+  // Indexes can have different number of vertices under some cases,
+  // which is why boundary.numVerts is needed.
+  int v;
+  for (v = 0; v < boundary.numVerts; v++) {
+      printf("Boundary vertex #%d: %lf, %lf\n", v,
+             radsToDegs(boundary.verts[v].lat),
+             radsToDegs(boundary.verts[v].lng));
+  }
+
+  // Get the center coordinates.
+  LatLng center;
+  cellToLatLng(indexed, &center);
+  printf("Center coordinates: %lf, %lf\n", radsToDegs(center.lat), radsToDegs(center.lng));
+
+  return 0;
+}
+
+#endif

recipes/h3/all/test_v1_package/CMakeLists.txt

@@ -4,7 +4,5 @@ project(test_package LANGUAGES C)
 include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
 conan_basic_setup(TARGETS)
 
-find_package(h3 REQUIRED CONFIG)
-
-add_executable(${PROJECT_NAME} ../test_package/test_package.c)
-target_link_libraries(${PROJECT_NAME} PRIVATE h3::h3)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../test_package/
+                 ${CMAKE_CURRENT_BINARY_DIR}/test_package/)

recipes/h3/all/test_v1_package/conanfile.py

@@ -1,4 +1,3 @@
-# pylint: skip-file
 from conans import ConanFile, CMake, tools
 import os
 

recipes/h3/config.yml

@@ -1,4 +1,6 @@
 versions:
+  "4.1.0":
+    folder: all
   "3.7.2":
     folder: all
   "3.7.1":