Improve msvc toolchain for package

tests/apis/add_deps/src/main.c

@@ -1,7 +1,6 @@
 #include <stdio.h>
 
-int main(int argc, char** argv)
-{
+int main(int argc, char** argv) {
     printf("hello world!\n");
     return 0;
 }

tests/apis/check_xxx/main.c

@@ -1,4 +1,3 @@
-int main(int argc, char** argv)
-{
+int main(int argc, char** argv) {
     return 0;
 }

tests/apis/rules/src/main2.c

@@ -1,8 +1,7 @@
 #include <stdio.h>
 
 extern int test(int a, int b);
-int main(int argc, char** argv)
-{
+int main(int argc, char** argv) {
     printf("1 + 1 = %d\n", test(1, 1));
     return 0;
 }

tests/plugins/pack/src/main.cpp

@@ -2,8 +2,7 @@
 
 using namespace std;
 
-int main(int argc, char** argv)
-{
+int main(int argc, char** argv) {
     cout << "hello world!" << endl;
     return 0;
 }

tests/projects/c/asn1c/src/main.c

@@ -27,8 +27,8 @@ int main(int ac, char **av) {
 		exit(71); /* better, EX_OSERR */
 	}
 
-	/* 
-	 * Initialize the Rectangle members 
+	/*
+	 * Initialize the Rectangle members
 	 */
 
 	/* height */

tests/projects/package/toolchain_llvm/src/main.c

@@ -1,7 +1,6 @@
 #include <stdio.h>
 
-int main(int argc, char** argv)
-{
+int main(int argc, char** argv) {
     printf("hello world!\n");
     return 0;
 }

tests/projects/package/toolchain_llvm_mingw/src/main.c

@@ -1,7 +1,6 @@
 #include <stdio.h>
 
-int main(int argc, char** argv)
-{
+int main(int argc, char** argv) {
     printf("hello world!\n");
     return 0;
 }

tests/projects/package/toolchain_msvc/src/main.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+    printf("hello world!\n");
+    return 0;
+}

tests/projects/package/toolchain_msvc/xmake.lua

@@ -0,0 +1,8 @@
+add_rules("mode.debug", "mode.release")
+add_requires("msvc")
+
+target("test")
+    set_kind("binary")
+    add_files("src/*.c")
+    set_toolchains("@msvc")
+    --set_toolchains("clang-cl@msvc")

xmake/toolchains/clang-cl/check.lua

@@ -137,7 +137,6 @@ function _check_vc_build_tools(toolchain, sdkdir)
     end
 end
 
--- main entry
 function main(toolchain)
 
     -- only for windows or linux (msvc-wine)
@@ -154,6 +153,18 @@ function main(toolchain)
         if sdkdir then
             return _check_vc_build_tools(toolchain, sdkdir)
         else
+            -- find it from packages
+            for _, package in ipairs(toolchain:packages()) do
+                local installdir = package:installdir()
+                if installdir and os.isdir(installdir) then
+                    local result = _check_vc_build_tools(toolchain, installdir)
+                    if result then
+                        return result
+                    end
+                end
+            end
+
+            -- find it from system
             return _check_vstudio(toolchain)
         end
     end

xmake/toolchains/msvc/check.lua

@@ -128,7 +128,6 @@ function _check_vc_build_tools(toolchain, sdkdir)
     end
 end
 
--- main entry
 function main(toolchain)
 
     -- only for windows or linux (msvc-wine)
@@ -145,6 +144,18 @@ function main(toolchain)
         if sdkdir then
             return _check_vc_build_tools(toolchain, sdkdir)
         else
+            -- find it from packages
+            for _, package in ipairs(toolchain:packages()) do
+                local installdir = package:installdir()
+                if installdir and os.isdir(installdir) then
+                    local result = _check_vc_build_tools(toolchain, installdir)
+                    if result then
+                        return result
+                    end
+                end
+            end
+
+            -- find it from system
             return _check_vstudio(toolchain)
         end
     end