meta: generated `features.h` is now `git2_features.h`

Linux has a /usr/include/features.h, which gets confusing; update this
to `git2_features.h` and move it into the `util` directory.

src/CMakeLists.txt

@@ -171,12 +171,6 @@ endif()
 add_feature_info(iconv GIT_USE_ICONV "iconv encoding conversion support")
 
 #
-# Configure support
-#
-
-configure_file(features.h.in git2/sys/features.h)
-
-#
 # Include child projects
 #
 

src/cli/CMakeLists.txt

 set(CLI_INCLUDES
-	"${libgit2_BINARY_DIR}/src"
+	"${libgit2_BINARY_DIR}/src/util"
 	"${libgit2_SOURCE_DIR}/src/util"
 	"${libgit2_SOURCE_DIR}/src/cli"
 	"${libgit2_SOURCE_DIR}/include")

src/libgit2/CMakeLists.txt

@@ -8,7 +8,7 @@ set_target_properties(libgit2 PROPERTIES C_EXTENSIONS OFF)
 include(PkgBuildConfig)
 
 set(LIBGIT2_INCLUDES
-	"${PROJECT_BINARY_DIR}/src"
+	"${PROJECT_BINARY_DIR}/src/util"
 	"${PROJECT_SOURCE_DIR}/src/libgit2"
 	"${PROJECT_SOURCE_DIR}/src/util"
 	"${PROJECT_SOURCE_DIR}/include")

src/util/CMakeLists.txt

@@ -4,8 +4,10 @@ add_library(util OBJECT)
 set_target_properties(util PROPERTIES C_STANDARD 90)
 set_target_properties(util PROPERTIES C_EXTENSIONS OFF)
 
+configure_file(git2_features.h.in git2_features.h)
+
 set(UTIL_INCLUDES
-	"${PROJECT_BINARY_DIR}/src"
+	"${PROJECT_BINARY_DIR}/src/util"
 	"${PROJECT_SOURCE_DIR}/src/util"
 	"${PROJECT_SOURCE_DIR}/include")
 

src/util/git2_util.h

@@ -7,8 +7,8 @@
 #ifndef INCLUDE_git2_util_h__
 #define INCLUDE_git2_util_h__
 
-#ifndef LIBGIT2_NO_FEATURES_H
-# include "git2/sys/features.h"
+#if !defined(LIBGIT2_NO_FEATURES_H)
+# include "git2_features.h"
 #endif
 
 #include "git2/common.h"