Merge topic 'export-file-set-absolute-cmake-install-includedir'

70f36de1e5 File set: Allow absolute CMAKE_INSTALL_INCLUDEDIR

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !8577

1 files changed, 14 insertions, 9 deletions

diff --git a/Source/cmExportInstallFileGenerator.cxx b/Source/cmExportInstallFileGenerator.cxx
index 66cae64..264c947 100644
--- a/Source/cmExportInstallFileGenerator.cxx
+++ b/Source/cmExportInstallFileGenerator.cxx
@@ -591,10 +591,12 @@ std::string cmExportInstallFileGenerator::GetFileSetDirectories(
   auto cge = ge.Parse(te->FileSetGenerators.at(fileSet)->GetDestination());
 
   for (auto const& config : configs) {
-    auto dest = cmStrCat("${_IMPORT_PREFIX}/",
-                         cmOutputConverter::EscapeForCMake(
-                           cge->Evaluate(gte->LocalGenerator, config, gte),
-                           cmOutputConverter::WrapQuotes::NoWrap));
+    auto unescapedDest = cge->Evaluate(gte->LocalGenerator, config, gte);
+    auto dest = cmOutputConverter::EscapeForCMake(
+      unescapedDest, cmOutputConverter::WrapQuotes::NoWrap);
+    if (!cmSystemTools::FileIsFullPath(unescapedDest)) {
+      dest = cmStrCat("${_IMPORT_PREFIX}/", dest);
+    }
 
     auto const& type = fileSet->GetType();
     // C++ modules do not support interface file sets which are dependent upon
@@ -646,11 +648,14 @@ std::string cmExportInstallFileGenerator::GetFileSetFiles(
       fileSet->EvaluateFileEntry(directories, files, entry,
                                  gte->LocalGenerator, config, gte);
     }
-    auto dest = cmStrCat("${_IMPORT_PREFIX}/",
-                         cmOutputConverter::EscapeForCMake(
-                           destCge->Evaluate(gte->LocalGenerator, config, gte),
-                           cmOutputConverter::WrapQuotes::NoWrap),
-                         '/');
+    auto unescapedDest = destCge->Evaluate(gte->LocalGenerator, config, gte);
+    auto dest =
+      cmStrCat(cmOutputConverter::EscapeForCMake(
+                 unescapedDest, cmOutputConverter::WrapQuotes::NoWrap),
+               '/');
+    if (!cmSystemTools::FileIsFullPath(unescapedDest)) {
+      dest = cmStrCat("${_IMPORT_PREFIX}/", dest);
+    }
 
     bool const contextSensitive = destCge->GetHadContextSensitiveCondition() ||
       std::any_of(directoryEntries.begin(), directoryEntries.end(),