Merge branch 'mcallet/fix-makefile-export' into 'main'

fix: check [Export] flag on makefile generation to avoid LDDEPS declaration

See merge request Sharpmake/sharpmake!482

Sharpmake.Generators/Generic/Makefile.cs

@@ -579,6 +579,10 @@ private Options.ExplicitOptions GenerateOptions(Project.Configuration conf, File
             var deps = new OrderableStrings();
             foreach (Project.Configuration depConf in conf.ResolvedDependencies)
             {
+                // Ignore projects marked as Export
+                if (depConf.Project.SharpmakeProjectType == Project.ProjectTypeAttribute.Export)
+                    continue;
+
                 switch (depConf.Output)
                 {
                     case Project.Configuration.OutputType.None:

samples/HelloLinux/codebase/exe/exe.sharpmake.cs

@@ -32,6 +32,7 @@ public override void ConfigureAll(Configuration conf, CommonTarget target)
             conf.AddPrivateDependency<Dll1Project>(target);
             conf.AddPrivateDependency<StaticLib2Project>(target);
             conf.AddPrivateDependency<HeaderOnlyLibProject>(target);
+            conf.AddPrivateDependency<ExternalLibProject>(target);
 
             conf.Defines.Add("CREATION_DATE=\"October 2020\"");
         }

samples/HelloLinux/codebase/external_lib/external_lib.sharpmake.cs

@@ -0,0 +1,34 @@
+// Copyright (c) Ubisoft. All Rights Reserved.
+// Licensed under the Apache 2.0 License. See LICENSE.md in the project root for license information.
+
+using System.IO;
+using System;
+using Sharpmake;
+using System.Linq;
+
+namespace HelloLinux
+{
+    [Export]
+    //This export keyword will:
+    // 1 - Prevent the generation of a dedicated makefile for this project
+    // 2 - Prevent the inclusion of this project into the LDDEPS list of your makefile 
+    // In this example only the configured projectName will be added into the LDLIBS flag in the generated makefile.
+    public class ExternalLibProject : CommonProject
+    {
+        public ExternalLibProject()
+        {
+            AddTargets(CommonTarget.GetDefaultTargets());
+
+            //We name this project voluntarly curl in order to link to a library already existing in this OS. 
+            Name = "curl";
+        }
+
+        public override void ConfigureAll(Configuration conf, CommonTarget target)
+        {
+            base.ConfigureAll(conf, target);
+
+            //We use the static library format because it's the one already existing inside the OS.
+            conf.Output = Configuration.OutputType.Lib;
+        }
+    }
+}

samples/HelloLinux/reference/codebase/temp/projects/exe/exe_linux_make.make

@@ -18,8 +18,8 @@ ifeq ($(config),debug)
   CPPFLAGS  += -MMD -MP $(DEFINES) $(INCLUDES)
   CFLAGS    += $(CPPFLAGS) -g -Wall 
   CXXFLAGS  += $(CFLAGS) -fno-exceptions -fno-rtti 
-  LDFLAGS   += -L../../bin/linux_debug -L../../lib/linux_debug/static\ lib2 -Wl,-rpath='$$ORIGIN'
-  LDLIBS    += -l:libdll1.so -l:libstatic\ lib2.a -l:libuuid.so
+  LDFLAGS   += -L../../bin/linux_debug -L../../lib/linux_debug/curl -L../../lib/linux_debug/static\ lib2 -Wl,-rpath='$$ORIGIN'
+  LDLIBS    += -l:libcurl.a -l:libdll1.so -l:libstatic\ lib2.a -l:libuuid.so
   RESFLAGS  += $(DEFINES) $(INCLUDES)
   LDDEPS    += ../../bin/linux_debug/libdll1.so ../../lib/linux_debug/static\ lib2/libstatic\ lib2.a ../../lib/linux_debug/static_lib1/libstatic_lib1.a
   LINKCMD    = $(CXX) -o $(TARGET) $(OBJECTS) $(LDFLAGS) $(RESOURCES) $(LDLIBS)
@@ -51,8 +51,8 @@ ifeq ($(config),release)
   CPPFLAGS  += -MMD -MP $(DEFINES) $(INCLUDES)
   CFLAGS    += $(CPPFLAGS) -g -O3 -Wall 
   CXXFLAGS  += $(CFLAGS) -fno-exceptions -fno-rtti 
-  LDFLAGS   += -L../../bin/linux_release -L../../lib/linux_release/static\ lib2 -Wl,-rpath='$$ORIGIN'
-  LDLIBS    += -l:libdll1.so -l:libstatic\ lib2.a -l:libuuid.so
+  LDFLAGS   += -L../../bin/linux_release -L../../lib/linux_release/curl -L../../lib/linux_release/static\ lib2 -Wl,-rpath='$$ORIGIN'
+  LDLIBS    += -l:libcurl.a -l:libdll1.so -l:libstatic\ lib2.a -l:libuuid.so
   RESFLAGS  += $(DEFINES) $(INCLUDES)
   LDDEPS    += ../../bin/linux_release/libdll1.so ../../lib/linux_release/static\ lib2/libstatic\ lib2.a ../../lib/linux_release/static_lib1/libstatic_lib1.a
   LINKCMD    = $(CXX) -o $(TARGET) $(OBJECTS) $(LDFLAGS) $(RESOURCES) $(LDLIBS)