add raylib support

Author: mohamedLT

android/compile.v

@@ -176,19 +176,63 @@ pub fn compile_v_to_c(opt CompileOptions) !VMetaInfo {
 	return v_meta_dump
 }
 
+fn build_raylib(opt CompileOptions,raylib_path string ,arch string) ? {
+	build_path := os.join_path(raylib_path,'build')
+	// check if the library already exists or compile it 
+	if os.exists(os.join_path(build_path,arch,'libraylib.a')){
+		return
+		}
+	else {
+		src_path := os.join_path(raylib_path,'src')
+		ndk_path := ndk.root()
+		os.execute('make -C $src_path clean')
+		arch_name :=if arch == 'arm64-v8a' {'arm64'} else if arch == 'armeabi-v7a' {'arm'} else if arch in ['x86','x86_64'] {arch}  else {''}
+		if arch_name !in ['arm64','arm','x86','x86_64']{return error('$arch_name is now a known architecture')}
+		os.execute('make -C $src_path PLATFORM=PLATFORM_ANDROID ANDROID_NDK=$ndk_path ANDROID_ARCH=$arch_name ANDROID_API_VERSION=$opt.api_level ')
+		taget_path := os.join_path(build_path,arch)
+		os.mkdir_all(taget_path) or {return error('failed making directory "$taget_path"')}
+		os.mv(os.join_path(src_path,'libraylib.a'),taget_path) or {return error('failed to move .a file from $src_path to $taget_path')}
+		}
+	}
+
+fn download_raylib (raylib_path string){
+	//clone raylib from github
+	os.execute('git clone https://github.com/raysan5/raylib.git $raylib_path') 
+}
+
 pub fn compile(opt CompileOptions) ! {
 	err_sig := @MOD + '.' + @FN
 	os.mkdir_all(opt.work_dir) or {
 		return error('$err_sig: failed making directory "$opt.work_dir". $err')
 	}
 	build_dir := opt.build_directory()!
-
+	
 	v_meta_dump := compile_v_to_c(opt) or {
 		return IError(CompileError{
 			kind: .v_to_c
 			err: err.msg()
 		})
 	}
+	
+	is_raylib := 'mohamedlt.vraylib' in v_meta_dump.imports 
+
+	// check if raylib floder is found else clone it 
+	if is_raylib{
+		raylib_path := os.join_path(vxt.vmodules()or{return error('$err_sig:vmodules folder not found')},'vab','raylib')
+		if os.exists(raylib_path){
+				for arch in opt.archs{
+					build_raylib(opt,raylib_path,arch)or { return error('cant build raylib ERROR: $err')}
+					}
+			}		
+		else {
+			download_raylib(raylib_path)
+			for arch in opt.archs{
+				build_raylib(opt,raylib_path,arch)or { return error('cant build raylib ERROR: $err')}
+				}
+			}
+		
+		}
+
 	v_cflags := v_meta_dump.c_flags
 	imported_modules := v_meta_dump.imports
 
@@ -329,6 +373,16 @@ pub fn compile(opt CompileOptions) ! {
 
 	is_debug_build := opt.is_debug_build()
 
+
+	// add needed flags for raylib
+	if is_raylib{
+		ldflags << '-lEGL'
+		ldflags << '-lGLESv2'
+		ldflags << '-u ANativeActivity_onCreate'
+		ldflags<< '-lOpenSLES'
+		
+		}
+
 	// Sokol sapp
 	if 'sokol.sapp' in imported_modules {
 		if opt.verbosity > 1 {
@@ -457,14 +511,18 @@ pub fn compile(opt CompileOptions) ! {
 			arch_o_files := o_files[arch].map('"$it"')
 			arch_a_files := a_files[arch].map('"$it"')
 
-			build_cmd := [
+			mut build_cmd := [
 				arch_cc[arch],
 				arch_o_files.join(' '),
 				'-o "$arch_lib_dir/lib${opt.lib_name}.so"',
 				arch_a_files.join(' '),
 				'-L"' + arch_libs[arch] + '"',
 				ldflags.join(' '),
 			]
+			// add the compiled raylib libraries for each arch
+			if is_raylib {
+				build_cmd<< '-L ${os.join_path(vxt.vmodules()or{return error('$err_sig:vmodules folder not found')},'vab','raylib','build',arch)}'
+				}
 
 			jobs << job_util.ShellJob{
 				cmd: build_cmd