support conditional compilation of Nix C APIs

nixide-sys/include/nix-expr.h

@@ -0,0 +1,10 @@
+// Nix C API for the Nix expressions evaluator.
+#include <nix_api_expr.h>
+
+// Nix C API for value manipulation.
+//
+#include <nix_api_value.h>
+
+// Nix C API for external values.
+//
+#include <nix_api_external.h>

nixide-sys/include/nix-fetchers.h

@@ -0,0 +1,3 @@
+// Nix C API for fetcher operations.
+//
+#include <nix_api_fetchers.h>

nixide-sys/include/nix-flake.h

@@ -0,0 +1,3 @@
+// Nix C API for flake support.
+//
+#include <nix_api_flake.h>

nixide-sys/include/nix-main.h

@@ -0,0 +1,3 @@
+// Nix C API for CLI support.
+//
+#include <nix_api_main.h>

nixide-sys/include/nix-store.h

@@ -0,0 +1,3 @@
+// Nix C API for store operations.
+//
+#include <nix_api_store.h>

nixide-sys/include/nix-util.h

@@ -0,0 +1,7 @@
+// Nix C API for utilities.
+//
+// Most notably containing functions for handling
+// the `nix_c_context` structure, which is used throughout
+// the Nix C APIs for error handling.
+//
+#include <nix_api_util.h>

nixide-sys/include/wrapper.h

@@ -1,23 +0,0 @@
-// Pure C API for store operations
-#include <nix_api_store.h>
-
-// Pure C API for error handling
-#include <nix_api_util.h>
-
-// Pure C API for the Nix evaluator
-#include <nix_api_expr.h>
-
-// Pure C API for external values
-#include <nix_api_external.h>
-
-// Pure C API for value manipulation
-#include <nix_api_value.h>
-
-// Pure C API for fetcher operations
-#include <nix_api_fetchers.h>
-
-// Pure C API for flake support
-#include <nix_api_flake.h>
-
-// Pure C API for main/CLI support
-#include <nix_api_main.h>