From 74fe7eb8b0acea9d9b9bb10bb24f3cc43d359dc5 Mon Sep 17 00:00:00 2001
From: Uilian Ries <uilianries@gmail.com>
Date: Tue, 11 Feb 2020 11:17:49 -0300
Subject: [PATCH] Use external patch for geos

Signed-off-by: Uilian Ries <uilianries@gmail.com>
---
 recipes/geos/all/conandata.yml            |  4 ++
 recipes/geos/all/conanfile.py             | 17 ++-----
 recipes/geos/all/patches/0001-cmake.patch | 57 +++++++++++++++++++++++
 3 files changed, 65 insertions(+), 13 deletions(-)
 create mode 100644 recipes/geos/all/patches/0001-cmake.patch

diff --git a/recipes/geos/all/conandata.yml b/recipes/geos/all/conandata.yml
index 954218904995c..0ca6b34e0ef86 100644
--- a/recipes/geos/all/conandata.yml
+++ b/recipes/geos/all/conandata.yml
@@ -2,3 +2,7 @@ sources:
   "3.8.0":
     url: "https://git.osgeo.org/gitea/geos/geos/archive/3.8.0.tar.gz"
     sha256: "90e2ea9db689f5ca8c0bd61e671ac47c749e85998a867b777c3ded8a6399a695"
+patches:
+  "3.8.0":
+    base_path: "source_subfolder"
+    patch_file: "patches/0001-cmake.patch"
diff --git a/recipes/geos/all/conanfile.py b/recipes/geos/all/conanfile.py
index 5f2820543c46b..7de4d2b275af5 100644
--- a/recipes/geos/all/conanfile.py
+++ b/recipes/geos/all/conanfile.py
@@ -9,7 +9,7 @@ class GeosConan(ConanFile):
     topics = ("conan", "geos", "osgeo", "geometry", "topology", "geospatial")
     homepage = "https://trac.osgeo.org/geos"
     url = "https://github.com/conan-io/conan-center-index"
-    exports_sources = "CMakeLists.txt"
+    exports_sources = ["CMakeLists.txt", "patches/*"]
     generators = "cmake"
     settings = "os", "arch", "compiler", "build_type"
     options = {
@@ -22,7 +22,6 @@ class GeosConan(ConanFile):
         "fPIC": True,
         "inline": True
     }
-
     _cmake = None
 
     @property
@@ -42,20 +41,10 @@ def source(self):
         os.rename(self.name, self._source_subfolder)
 
     def build(self):
-        self._patch_sources()
+        tools.patch(**self.conan_data["patches"][self.version])
         cmake = self._configure_cmake()
         cmake.build()
 
-    def _patch_sources(self):
-        cmakelists_path = os.path.join(self._source_subfolder, "CMakeLists.txt")
-        tools.replace_in_file(cmakelists_path, "cmake_minimum_required(VERSION 3.13 FATAL_ERROR)", "")
-        tools.replace_in_file(cmakelists_path, "add_subdirectory(benchmarks)", "")
-        tools.replace_in_file(cmakelists_path, "add_subdirectory(doc)", "")
-        tools.replace_in_file(cmakelists_path, "LIBRARY DESTINATION lib NAMELINK_SKIP", "LIBRARY DESTINATION lib")
-        tools.replace_in_file(cmakelists_path, "add_subdirectory(tools)", "")
-        tools.replace_in_file(cmakelists_path, "find_package(MakeDistCheck)", "")
-        tools.replace_in_file(cmakelists_path, "AddMakeDistCheck()", "")
-
     def _configure_cmake(self):
         if self._cmake:
             return self._cmake
@@ -76,6 +65,8 @@ def package(self):
 
     def package_info(self):
         self.cpp_info.libs = ["geos_c", "geos"]
+        if self.settings.os == "Linux":
+            self.cpp_info.system_libs = ["m"]
         if self.options.inline:
             self.cpp_info.defines.append("GEOS_INLINE")
         self.cpp_info.names["cmake_find_package"] = "GEOS"
diff --git a/recipes/geos/all/patches/0001-cmake.patch b/recipes/geos/all/patches/0001-cmake.patch
new file mode 100644
index 0000000000000..c19a21c93725c
--- /dev/null
+++ b/recipes/geos/all/patches/0001-cmake.patch
@@ -0,0 +1,57 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index c893fea..f248cc1 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -19,7 +19,7 @@ set(DEFAULT_BUILD_TYPE Release)
+ # Require CMake 3.13+ with VS generator for complete support of VS versions
+ # and support by AppVeyor.
+ if(${CMAKE_GENERATOR} MATCHES "Visual Studio")
+-  cmake_minimum_required(VERSION 3.13 FATAL_ERROR)
++  
+ endif()
+ 
+ list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+@@ -259,12 +259,12 @@ endif()
+ #-----------------------------------------------------------------------------
+ # Benchmarks
+ #-----------------------------------------------------------------------------
+-add_subdirectory(benchmarks)
++
+ 
+ #-----------------------------------------------------------------------------
+ # Documentation/Examples
+ #-----------------------------------------------------------------------------
+-add_subdirectory(doc)
++
+ 
+ #-----------------------------------------------------------------------------
+ # Install and export targets - support 'make install' or equivalent
+@@ -281,7 +281,7 @@ configure_file(cmake/geos-config.cmake
+ 
+ install(TARGETS geos geos_cxx_flags
+   EXPORT geos-targets
+-  LIBRARY DESTINATION lib NAMELINK_SKIP
++  LIBRARY DESTINATION lib
+   ARCHIVE DESTINATION lib
+   RUNTIME DESTINATION bin
+   INCLUDES DESTINATION include
+@@ -312,7 +312,7 @@ install(DIRECTORY
+ install(FILES "${CMAKE_CURRENT_BINARY_DIR}/capi/geos_c.h"
+   DESTINATION include)
+ 
+-add_subdirectory(tools)
++
+ 
+ #-----------------------------------------------------------------------------
+ # Uninstall
+@@ -372,8 +372,8 @@ add_custom_target(check COMMAND ${CMAKE_BUILD_TOOL} test)
+ # "make distcheck" workalike
+ #-----------------------------------------------------------------------------
+ if(NOT _is_multi_config_generator)
+-  find_package(MakeDistCheck)
+-  AddMakeDistCheck()
++  
++  
+   message(STATUS "GEOS: Configured 'distcheck' target")
+ endif()
+