8 files changed, 16 insertions, 2 deletions

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 0a709ae..1d78b3a 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -2197,8 +2197,12 @@ bool cmMakefile::PlatformIs64Bit() const
 
 const char* cmMakefile::GetSONameFlag(const char* language) const
 {
-  std::string name = "CMAKE_SHARED_LIBRARY_SONAME_";
-  name += language;
+  std::string name = "CMAKE_SHARED_LIBRARY_SONAME";
+  if(language)
+    {
+    name += "_";
+    name += language;
+    }
   name += "_FLAG";
   return GetDefinition(name.c_str());
 }
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 1c6db39..23fc086 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -45,6 +45,7 @@ macro(add_RunCMake_test test)
     )
 endmacro()
 
+add_RunCMake_test(Languages)
 add_RunCMake_test(ObjectLibrary)
 
 add_RunCMake_test(build_command)
diff --git a/Tests/RunCMake/Languages/CMakeLists.txt b/Tests/RunCMake/Languages/CMakeLists.txt
new file mode 100644
index 0000000..e8db6b0
--- /dev/null
+++ b/Tests/RunCMake/Languages/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/Languages/NoLangSHARED-result.txt b/Tests/RunCMake/Languages/NoLangSHARED-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/Languages/NoLangSHARED-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/Languages/NoLangSHARED-stderr.txt b/Tests/RunCMake/Languages/NoLangSHARED-stderr.txt
new file mode 100644
index 0000000..3f93cf8
--- /dev/null
+++ b/Tests/RunCMake/Languages/NoLangSHARED-stderr.txt
@@ -0,0 +1 @@
+CMake Error: CMake can not determine linker language for target:NoLang
diff --git a/Tests/RunCMake/Languages/NoLangSHARED.cmake b/Tests/RunCMake/Languages/NoLangSHARED.cmake
new file mode 100644
index 0000000..de6adf7
--- /dev/null
+++ b/Tests/RunCMake/Languages/NoLangSHARED.cmake
@@ -0,0 +1 @@
+add_library(NoLang SHARED foo.nolang)
diff --git a/Tests/RunCMake/Languages/RunCMakeTest.cmake b/Tests/RunCMake/Languages/RunCMakeTest.cmake
new file mode 100644
index 0000000..a99548f
--- /dev/null
+++ b/Tests/RunCMake/Languages/RunCMakeTest.cmake
@@ -0,0 +1,3 @@
+include(RunCMake)
+
+run_cmake(NoLangSHARED)
diff --git a/Tests/RunCMake/Languages/foo.nolang b/Tests/RunCMake/Languages/foo.nolang
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/Tests/RunCMake/Languages/foo.nolang