add set_default api for target

19 files changed, 71 insertions, 69 deletions

diff --git a/xmake/actions/build/builder.lua b/xmake/actions/build/builder.lua
index 347ccd9d1..3053c1fda 100644
--- a/xmake/actions/build/builder.lua
+++ b/xmake/actions/build/builder.lua
@@ -109,17 +109,17 @@ function _stat_target_count(targetname)
     -- init targets count
     _g.targetcount = 0
 
-    -- for all?
-    if targetname == "all" then
-
-        -- make all targets
+    -- for the given target?
+    if targetname then
+        _stat_target_count_and_deps(project.target(targetname))
+    else
+        -- for default or all targets
         for _, target in pairs(project.targets()) do
-            _stat_target_count_and_deps(target)
+            local default = target:get("default")
+            if default == nil or default == true then
+                _stat_target_count_and_deps(target)
+            end
         end
-    else
-
-        -- make target
-        _stat_target_count_and_deps(project.target(targetname))
     end
 end
 
@@ -138,17 +138,17 @@ function build(targetname)
     -- init target index
     _g.targetindex = 0
 
-    -- for all?
-    if targetname == "all" then
-
-        -- make all targets
+    -- build the given target?
+    if targetname then
+        _build_target_and_deps(project.target(targetname))
+    else
+        -- build default or all targets
         for _, target in pairs(project.targets()) do
-            _build_target_and_deps(target)
+            local default = target:get("default")
+            if default == nil or default == true then
+                _build_target_and_deps(target)
+            end
         end
-    else
-
-        -- make target
-        _build_target_and_deps(project.target(targetname))
     end
 
     -- leave toolchains environment
diff --git a/xmake/actions/build/main.lua b/xmake/actions/build/main.lua
index e0edbc37a..1d5b3b8ba 100644
--- a/xmake/actions/build/main.lua
+++ b/xmake/actions/build/main.lua
@@ -70,7 +70,7 @@ function main()
         function ()
 
             -- build 
-            builder.build(targetname or "all")
+            builder.build(targetname)
         
         end,
 
@@ -81,8 +81,10 @@ function main()
                 -- failed
                 if errors then
                     raise(errors)
-                else
+                elseif targetname then
                     raise("build target: %s failed!", targetname)
+                else
+                    raise("build target failed!")
                 end
             end
         }
diff --git a/xmake/actions/build/xmake.lua b/xmake/actions/build/xmake.lua
index 79e6cee4f..1451249f6 100644
--- a/xmake/actions/build/xmake.lua
+++ b/xmake/actions/build/xmake.lua
@@ -37,7 +37,7 @@ task("build")
                 usage = "xmake [task] [options] [target]"
 
                 -- description
-            ,   description = "Build the project if no given tasks."
+            ,   description = "Build targets if no given tasks."
 
                 -- options
             ,   options = 
@@ -46,10 +46,10 @@ task("build")
                 ,   {'r', "rebuild",    "k",  nil,          "Rebuild the project."                                          }
 
                 ,   {}
-                ,   {'j', "jobs",       "kv", "4",          "Specifies the number of jobs to build simultaneously"          }
+                ,   {'j', "jobs",       "kv", "4",          "Specifies the number of jobs to build simultaneously."         }
                
                 ,   {}
-                ,   {nil, "target",     "v",  "all",        "Build the given target."                                       } 
+                ,   {nil, "target",     "v",  nil,          "Build the given target."                                       } 
                 }
             }
 
diff --git a/xmake/actions/clean/main.lua b/xmake/actions/clean/main.lua
index 1950002a8..eb5f85cab 100644
--- a/xmake/actions/clean/main.lua
+++ b/xmake/actions/clean/main.lua
@@ -119,18 +119,14 @@ function _clean_target_and_deps(target)
     _g.finished[target:name()] = true
 end
 
--- clean the given target 
+-- clean target 
 function _clean(targetname)
 
-    -- the target name
-    if targetname and targetname ~= "all" then
-
-        -- clean target
+    -- clean the given target
+    if targetname then
         _clean_target_and_deps(project.target(targetname)) 
-
     else
-
-        -- clean targets
+        -- clean all targets
         for _, target in pairs(project.targets()) do
             _clean_target_and_deps(target) 
         end
diff --git a/xmake/actions/clean/xmake.lua b/xmake/actions/clean/xmake.lua
index e716a676f..72e4e2058 100644
--- a/xmake/actions/clean/xmake.lua
+++ b/xmake/actions/clean/xmake.lua
@@ -48,7 +48,7 @@ task("clean")
                     {'a', "all",        "k",  nil,          "Clean all auto-generated files by xmake."                      }
                 
                 ,   {}
-                ,   {nil, "target",     "v",  "all",        "Clean for the given target."                                   }      
+                ,   {nil, "target",     "v",  nil,          "Clean for the given target."                                   }      
                 }
             }
 
diff --git a/xmake/actions/config/configheader.lua b/xmake/actions/config/configheader.lua
index ec3a9e5ca..cc58c2943 100644
--- a/xmake/actions/config/configheader.lua
+++ b/xmake/actions/config/configheader.lua
@@ -137,10 +137,9 @@ function make()
     local files = {}
 
     -- make configure for the given target name
-    if targetname and targetname ~= "all" then
+    if targetname then
         _make_for_target_with_deps(files, targetname)
     else
-
         -- make configure for all targets
         for _, target in pairs(project.targets()) do
             _make_for_target(files, target)
diff --git a/xmake/actions/config/xmake.lua b/xmake/actions/config/xmake.lua
index 3effd29bb..f452edda7 100644
--- a/xmake/actions/config/xmake.lua
+++ b/xmake/actions/config/xmake.lua
@@ -148,7 +148,7 @@ task("config")
                 ,   {'o', "buildir",    "kv", "build",      "Set the build directory."                                      }
 
                 ,   {}
-                ,   {nil, "target",     "v",  "all",        "Configure for the given target."                               }
+                ,   {nil, "target",     "v",  nil,          "Configure for the given target."                               }
                 }
             }
 
diff --git a/xmake/actions/install/install.lua b/xmake/actions/install/install.lua
index e3080e5ce..720e300b6 100644
--- a/xmake/actions/install/install.lua
+++ b/xmake/actions/install/install.lua
@@ -79,12 +79,16 @@ function install(targetname)
     -- init finished states
     _g.finished = {}
 
-    -- install all?
-    if targetname == "all" then
+    -- install the given target?
+    if targetname then
+        _install_target_and_deps(project.target(targetname))
+    else
+        -- install default or all targets
         for _, target in pairs(project.targets()) do
-            _install_target_and_deps(target)
+            local default = target:get("default")
+            if default == nil or default == true then
+                _install_target_and_deps(target)
+            end
         end
-    else
-        _install_target_and_deps(project.target(targetname))
     end
 end
diff --git a/xmake/actions/install/install_admin.lua b/xmake/actions/install/install_admin.lua
index 386911027..60a4ba9c0 100644
--- a/xmake/actions/install/install_admin.lua
+++ b/xmake/actions/install/install_admin.lua
@@ -53,7 +53,7 @@ function main(targetname, installdir)
     end
 
     -- install target
-    install.install(targetname)
+    install.install(ifelse(targetname ~= "__all", targetname, nil))
 
     -- restore the previous option context
     option.restore()
diff --git a/xmake/actions/install/main.lua b/xmake/actions/install/main.lua
index 2b4a4663b..150f90659 100644
--- a/xmake/actions/install/main.lua
+++ b/xmake/actions/install/main.lua
@@ -73,7 +73,7 @@ function main()
                     if answer == 'y' or answer == '' then
 
                         -- install target with administrator permission
-                        os.sudol(os.runv, path.join(os.scriptdir(), "install_admin.lua"), {targetname, option.get("installdir")})
+                        os.sudol(os.runv, path.join(os.scriptdir(), "install_admin.lua"), {targetname or "__all", option.get("installdir")})
 
                         -- trace
                         cprint("${bright}install ok!${clear}${ok_hand}")
diff --git a/xmake/actions/install/xmake.lua b/xmake/actions/install/xmake.lua
index 9f386a26f..f561fcba7 100644
--- a/xmake/actions/install/xmake.lua
+++ b/xmake/actions/install/xmake.lua
@@ -37,7 +37,7 @@ task("install")
                 usage = "xmake install|i [options] [target]"
 
                 -- description
-            ,   description = "Package and install the project binary files."
+            ,   description = "Package and install the target binary files."
 
                 -- xmake i
             ,   shortname = 'i'
@@ -48,7 +48,7 @@ task("install")
                     {'o', "installdir", "kv", nil,      "Set the install directory."    }
 
                 ,   {}
-                ,   {nil, "target",     "v",  "all",    "Install the given target."     }
+                ,   {nil, "target",     "v",  nil,      "Install the given target."     }
                 }
             }
 
diff --git a/xmake/actions/package/main.lua b/xmake/actions/package/main.lua
index 0597eeb6e..7f931651b 100644
--- a/xmake/actions/package/main.lua
+++ b/xmake/actions/package/main.lua
@@ -201,12 +201,16 @@ function main()
     -- init finished states
     _g.finished = {}
 
-    -- package all?
-    if targetname == "all" then
+    -- package the given target?
+    if targetname then
+        _package_target_and_deps(project.target(targetname))
+    else
+        -- package default or all targets
         for _, target in pairs(project.targets()) do
-            _package_target_and_deps(target)
+            local default = target:get("default")
+            if default == nil or default == true then
+                _package_target_and_deps(target)
+            end
         end
-    else
-        _package_target_and_deps(project.target(targetname))
     end
 end
diff --git a/xmake/actions/package/xmake.lua b/xmake/actions/package/xmake.lua
index 2a45dffda..60f7b8eb9 100644
--- a/xmake/actions/package/xmake.lua
+++ b/xmake/actions/package/xmake.lua
@@ -48,7 +48,7 @@ task("package")
                     {'o', "outputdir",  "kv", nil,          "Set the output directory."                                     }
                 ,   {'a', "archs",      "kv", nil,          "Compile for the given architecture. (deprecated)"              }        
                 ,   {}
-                ,   {nil, "target",     "v",  "all",        "Package a given target"                                        }   
+                ,   {nil, "target",     "v",  nil,          "Package a given target"                                        }   
                 }
             } 
 
diff --git a/xmake/actions/run/main.lua b/xmake/actions/run/main.lua
index 15a0cb1fe..57778985e 100644
--- a/xmake/actions/run/main.lua
+++ b/xmake/actions/run/main.lua
@@ -97,23 +97,18 @@ function main()
     -- enter project directory
     local olddir = os.cd(project.directory())
 
-    -- get target
-    local target = nil
+    -- run the given target?
     if targetname then
-        target = project.target(targetname)
+        _run(project.target(targetname))
     else
-        -- find the first binary target
-        for _, t in pairs(project.targets()) do
-            if t:get("kind") == "binary" then
-                target = t
-                break
+        -- run default or all binary targets
+        for _, target in pairs(project.targets()) do
+            local default = target:get("default")
+            if (default == nil or default == true) and target:get("kind") == "binary" then
+                _run(target)
             end
         end
     end
-    assert(target, "target(%s) not found!", targetname or "unknown")
-
-    -- run the given target
-    _run(target) 
 
     -- leave project directory
     os.cd(olddir)
diff --git a/xmake/actions/uninstall/main.lua b/xmake/actions/uninstall/main.lua
index 9063fbda2..a7cfec3db 100644
--- a/xmake/actions/uninstall/main.lua
+++ b/xmake/actions/uninstall/main.lua
@@ -73,7 +73,7 @@ function main()
                     if answer == 'y' or answer == '' then
 
                         -- uninstall target with administrator permission
-                        os.sudol(os.runv, path.join(os.scriptdir(), "uninstall_admin.lua"), {targetname, option.get("installdir")})
+                        os.sudol(os.runv, path.join(os.scriptdir(), "uninstall_admin.lua"), {targetname or "__all", option.get("installdir")})
 
                         -- trace
                         cprint("${bright}uninstall ok!${clear}${ok_hand}")
diff --git a/xmake/actions/uninstall/uninstall.lua b/xmake/actions/uninstall/uninstall.lua
index b89aa2440..6ab3d6cc1 100644
--- a/xmake/actions/uninstall/uninstall.lua
+++ b/xmake/actions/uninstall/uninstall.lua
@@ -79,12 +79,13 @@ function uninstall(targetname)
     -- init finished states
     _g.finished = {}
 
-    -- uninstall all?
-    if targetname == "all" then
+    -- uninstall given target?
+    if targetname then
+        _uninstall_target_and_deps(project.target(targetname))
+    else
+        -- uninstall all targets
         for _, target in pairs(project.targets()) do
             _uninstall_target_and_deps(target)
         end
-    else
-        _uninstall_target_and_deps(project.target(targetname))
     end
 end
diff --git a/xmake/actions/uninstall/uninstall_admin.lua b/xmake/actions/uninstall/uninstall_admin.lua
index a0408d38b..8dded1cce 100644
--- a/xmake/actions/uninstall/uninstall_admin.lua
+++ b/xmake/actions/uninstall/uninstall_admin.lua
@@ -53,7 +53,7 @@ function main(targetname, installdir)
     end
 
     -- uninstall target
-    uninstall.uninstall(targetname)
+    uninstall.uninstall(ifelse(targetname ~= "__all", targetname, nil))
 
     -- restore the previous option context
     option.restore()
diff --git a/xmake/actions/uninstall/xmake.lua b/xmake/actions/uninstall/xmake.lua
index f4e5e4bd7..300f27321 100644
--- a/xmake/actions/uninstall/xmake.lua
+++ b/xmake/actions/uninstall/xmake.lua
@@ -48,7 +48,7 @@ task("uninstall")
                     {nil, "installdir", "kv", nil,      "Set the install directory."    }
 
                 ,   {}
-                ,   {nil, "target",     "v",  "all",    "Uninstall the given target."   }
+                ,   {nil, "target",     "v",  nil,      "Uninstall the given target."   }
                 }
             }
 
diff --git a/xmake/core/project/project.lua b/xmake/core/project/project.lua
index 6c25ed8e7..c71df25db 100644
--- a/xmake/core/project/project.lua
+++ b/xmake/core/project/project.lua
@@ -192,6 +192,7 @@ function project._interpreter()
             -- target.set_xxx
         ,   "target.set_kind"
         ,   "target.set_strip"
+        ,   "target.set_default"
         ,   "target.set_options"
         ,   "target.set_symbols"
         ,   "target.set_basename"