cmake: check if subdir CMakeLists exist

icl-utk-edu · Oct 26, 2020 · e7c6484 · e7c6484
1 parent 76c737d
commit e7c6484
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Showing 2 changed files with 24 additions and 4 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -323,14 +323,18 @@ if (NOT TARGET blaspp)
     find_package( blaspp QUIET )
     if (blaspp_FOUND)
         message( "   Found BLAS++: ${blaspp_DIR}" )
-    else()
+    elseif (EXISTS "${CMAKE_SOURCE_DIR}/blaspp/CMakeLists.txt")
         set( build_tests_save "${build_tests}" )
         set( build_tests "false" )
 
         add_subdirectory( "blaspp" )
 
         set( build_tests "${build_tests_save}" )
         set( blaspp_DIR "${CMAKE_BINARY_DIR}/blaspp" )
+    else()
+        message( FATAL_ERROR "blaspp/CMakeLists.txt doesn't exist. Use:\n"
+                 "    git submodule update --init\n"
+                 "to checkout submodules." )
     endif()
 else()
     message( "   BLAS++ already included" )
@@ -344,14 +348,20 @@ if (NOT TARGET lapackpp)
     find_package( lapackpp QUIET )
     if (lapackpp_FOUND)
         message( "   Found LAPACK++: ${lapackpp_DIR}" )
-    else()
+
+    elseif (EXISTS "${CMAKE_SOURCE_DIR}/lapackpp/CMakeLists.txt")
         set( build_tests_save "${build_tests}" )
         set( build_tests "false" )
 
         add_subdirectory( "lapackpp" )
 
         set( build_tests "${build_tests_save}" )
-        set( blaspp_DIR "${CMAKE_BINARY_DIR}/blaspp" )
+        set( lapackpp_DIR "${CMAKE_BINARY_DIR}/lapackpp" )
+
+    else()
+        message( FATAL_ERROR "lapackpp/CMakeLists.txt doesn't exist. Use:\n"
+                 "    git submodule update --init\n"
+                 "to checkout submodules." )
     endif()
 else()
     message( "   LAPACK++ already included" )

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -33,11 +33,21 @@ if (NOT TARGET testsweeper)
     find_package( testsweeper QUIET )
     if (testsweeper_FOUND)
         message( "   Found TestSweeper library: ${testsweeper_DIR}" )
-    else()
 
+    elseif (EXISTS "${CMAKE_SOURCE_DIR}/testsweeper/CMakeLists.txt")
         add_subdirectory( "${CMAKE_SOURCE_DIR}/testsweeper"
                           "${CMAKE_BINARY_DIR}/testsweeper" )
 
+    else()
+        set( url "https://bitbucket.org/icl/testsweeper" )
+        message( "" )
+        message( "---------- TestSweeper" )
+        message( STATUS "Fetching TestSweeper from ${url}" )
+        include( FetchContent )
+        FetchContent_Declare( testsweeper GIT_REPOSITORY "${url}" )
+        FetchContent_MakeAvailable( testsweeper )
+        message( "---------- TestSweeper done" )
+        message( "" )
     endif()
 else()
     message( "   TestSweeper already included" )