Merge pull request #6779 from xmake-io/embeddirs

add #embed and embedirs support #6762

Author: waruqi

tests/projects/c/embeddirs/.gitignore

@@ -0,0 +1,8 @@
+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+

tests/projects/c/embeddirs/assets/message.txt

@@ -0,0 +1 @@
+Hello from an embedded C23 file!

tests/projects/c/embeddirs/src/main.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <string.h>
+
+static const unsigned char message_data[] = {
+#embed "message.txt"
+    , '\0'
+};
+
+int main(int argc, char** argv) {
+    printf("Embedded message: %s\n", (const char*)message_data);
+    printf("Size of embedded data (including null terminator): %zu bytes\n", sizeof(message_data));
+    printf("Length of embedded string: %zu characters\n", strlen((const char*)message_data));
+    return 0;
+}

tests/projects/c/embeddirs/xmake.lua

@@ -0,0 +1,9 @@
+add_rules("mode.debug", "mode.release")
+
+set_languages("c23")
+
+target("embeddirs")
+    set_kind("binary")
+    add_files("src/*.c")
+    add_embeddirs("assets")
+

xmake/languages/c/load.lua

@@ -100,6 +100,7 @@ function _get_apis()
     ,   "target.add_includedirs"
     ,   "target.add_sysincludedirs"
     ,   "target.add_frameworkdirs"
+    ,   "target.add_embeddirs"
         -- option.add_xxx
     ,   "option.add_linkdirs"
     ,   "option.add_includedirs"

xmake/languages/c/xmake.lua

@@ -44,6 +44,7 @@ language("c")
         ,   "target.languages"
         ,   "target.pcheader"
         ,   "target.includedirs"
+        ,   "target.embeddirs"
         ,   "target.defines"
         ,   "target.undefines"
         ,   "target.frameworkdirs"

xmake/modules/core/tools/gcc.lua

@@ -661,6 +661,11 @@ function nf_includedir(self, dir)
     return {"-I" .. path.translate(dir)}
 end
 
+-- make the embeddir flag
+function nf_embeddir(self, dir)
+    return {"--embed-dir=" .. path.translate(dir)}
+end
+
 -- make the sysincludedir flag
 function nf_sysincludedir(self, dir)
     return {"-isystem", path.translate(dir)}