cmBuildDatabase: fix language comparison for visibility Only C++ sources need checked for `CXX_MODULES` file set types, not the other way around.

diff --git a/Source/cmBuildDatabase.cxx b/Source/cmBuildDatabase.cxx
index 9770587..90c281f 100644
--- a/Source/cmBuildDatabase.cxx
+++ b/Source/cmBuildDatabase.cxx

@@ -447,7 +447,7 @@
 
     bool isCXXModule = false;
     bool isPrivate = true;
-    if (sf->GetLanguage() != "CXX"_s) {
+    if (sf->GetLanguage() == "CXX"_s) {
       auto const* fs = gt->GetFileSetForSource(config, sf);
       if (fs && fs->GetType() == "CXX_MODULES"_s) {
         isCXXModule = true;

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all-multi.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all-multi.json
index e1603be..b7b9c03 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all-multi.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all-multi.json

@@ -138,7 +138,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "PATH:<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable<BMIEXT>"
           },
@@ -285,7 +285,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_OTHER_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_OTHER_DIR>/importable<BMIEXT>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all.json
index 440bc4e..e08ee35 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-all.json

@@ -138,7 +138,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable<BMIEXT>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-config.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-config.json
index 8877165..df5308f 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-config.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-config.json

@@ -138,7 +138,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "PATH:<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable<BMIEXT>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-config.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-config.json
index 8877165..df5308f 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-config.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-config.json

@@ -138,7 +138,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "PATH:<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable<BMIEXT>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-multi.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-multi.json
index 0a27fec..4a3a439 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-multi.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx-multi.json

@@ -138,7 +138,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "PATH:<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable<BMIEXT>"
           },
@@ -285,7 +285,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_OTHER_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "PATH:<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_OTHER_DIR>/importable<BMIEXT>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx.json
index 8877165..df5308f 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-cxx.json

@@ -138,7 +138,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "PATH:<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable<BMIEXT>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all-multi.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all-multi.json
index 2fdaef5..a1817d4 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all-multi.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all-multi.json

@@ -180,7 +180,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },
@@ -263,7 +263,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_OTHER_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all.json
index cb3b3a2..42d934b 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-all.json

@@ -127,7 +127,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-config.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-config.json
index cb3b3a2..42d934b 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-config.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-config.json

@@ -127,7 +127,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-config.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-config.json
index cb3b3a2..42d934b 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-config.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-config.json

@@ -127,7 +127,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-multi.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-multi.json
index 2fdaef5..a1817d4 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-multi.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx-multi.json

@@ -180,7 +180,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },
@@ -263,7 +263,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_OTHER_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx.json
index cb3b3a2..42d934b 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-imported-cxx.json

@@ -127,7 +127,7 @@
             "-Dtarget_interface_option"
           ],
           "object": "PATH:CMakeFiles/use_import_interfaces.dir<CONFIG_DIR>/use.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<IGNORE>"
           },

diff --git a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-target.json b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-target.json
index 440bc4e..e08ee35 100644
--- a/Tests/RunCMake/CXXModules/examples/expect/export-build-database-target.json
+++ b/Tests/RunCMake/CXXModules/examples/expect/export-build-database-target.json

@@ -138,7 +138,7 @@
             "-Dfrom_source_option"
           ],
           "object": "PATH:CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable.cxx<OBJEXT>",
-          "private": true,
+          "private": false,
           "provides": {
             "importable": "<BINARY_DIR>/CMakeFiles/export_build_database.dir<CONFIG_DIR>/importable<BMIEXT>"
           },