5 files changed, 47 insertions, 0 deletions
diff --git a/Tests/RunCMake/install/EXPORT-TargetTwice-check.cmake b/Tests/RunCMake/install/EXPORT-TargetTwice-check.cmake
new file mode 100644
index 0000000..97677ca
--- /dev/null
+++ b/Tests/RunCMake/install/EXPORT-TargetTwice-check.cmake
@@ -0,0 +1,19 @@
+set(pkg1_cmake "${RunCMake_TEST_BINARY_DIR}/CMakeFiles/Export/pkg1/pkg1.cmake")
+file(STRINGS "${pkg1_cmake}" pkg1_includes REGEX INTERFACE_INCLUDE_DIRECTORIES)
+set(pkg1_expect [[INTERFACE_INCLUDE_DIRECTORIES "\${_IMPORT_PREFIX}/pkg1/inc"]])
+if(NOT pkg1_includes MATCHES "${pkg1_expect}")
+  set(RunCMake_TEST_FAILED "pkg1 has unexpected INTERFACE_INCLUDE_DIRECTORIES line:
+  ${pkg1_includes}
+It does not match:
+  ${pkg1_expect}")
+endif()
+
+set(pkg2_cmake "${RunCMake_TEST_BINARY_DIR}/CMakeFiles/Export/pkg2/pkg2.cmake")
+file(STRINGS "${pkg2_cmake}" pkg2_includes REGEX INTERFACE_INCLUDE_DIRECTORIES)
+set(pkg2_expect [[INTERFACE_INCLUDE_DIRECTORIES "\${_IMPORT_PREFIX}/pkg2/inc"]])
+if(NOT pkg2_includes MATCHES "${pkg2_expect}")
+  set(RunCMake_TEST_FAILED "pkg2 has unexpected INTERFACE_INCLUDE_DIRECTORIES line:
+  ${pkg2_includes}
+It does not match:
+  ${pkg2_expect}")
+endif()
diff --git a/Tests/RunCMake/install/EXPORT-TargetTwice-pkg1.txt b/Tests/RunCMake/install/EXPORT-TargetTwice-pkg1.txt
new file mode 100644
index 0000000..592f79c
--- /dev/null
+++ b/Tests/RunCMake/install/EXPORT-TargetTwice-pkg1.txt
@@ -0,0 +1,5 @@
+.+
+set_target_properties\(pkg1::foo PROPERTIES
+.+INTERFACE_INCLUDE_DIRECTORIES "\${_IMPORT_PREFIX}/pkg1/inc"
+\)
+.+
diff --git a/Tests/RunCMake/install/EXPORT-TargetTwice-pkg2.txt b/Tests/RunCMake/install/EXPORT-TargetTwice-pkg2.txt
new file mode 100644
index 0000000..ebfc43e
--- /dev/null
+++ b/Tests/RunCMake/install/EXPORT-TargetTwice-pkg2.txt
@@ -0,0 +1,5 @@
+.+
+set_target_properties\(pkg2::foo PROPERTIES
+.+INTERFACE_INCLUDE_DIRECTORIES "\${_IMPORT_PREFIX}/pkg2/inc"
+\)
+.+
diff --git a/Tests/RunCMake/install/EXPORT-TargetTwice.cmake b/Tests/RunCMake/install/EXPORT-TargetTwice.cmake
new file mode 100644
index 0000000..cac4ff2
--- /dev/null
+++ b/Tests/RunCMake/install/EXPORT-TargetTwice.cmake
@@ -0,0 +1,17 @@
+enable_language(C)
+
+add_library(foo STATIC empty.c)
+
+install(TARGETS foo
+  EXPORT pkg1
+  ARCHIVE  DESTINATION pkg1/lib
+  INCLUDES DESTINATION pkg1/inc
+  )
+install(EXPORT pkg1 DESTINATION pkg1)
+
+install(TARGETS foo
+  EXPORT pkg2
+  ARCHIVE  DESTINATION pkg2/lib
+  INCLUDES DESTINATION pkg2/inc
+  )
+install(EXPORT pkg2 DESTINATION pkg2)
diff --git a/Tests/RunCMake/install/RunCMakeTest.cmake b/Tests/RunCMake/install/RunCMakeTest.cmake
index f79a3ea..7c12d4a 100644
--- a/Tests/RunCMake/install/RunCMakeTest.cmake
+++ b/Tests/RunCMake/install/RunCMakeTest.cmake
@@ -82,6 +82,7 @@ run_cmake(EXPORT-OldIFace)
 run_cmake(EXPORT-UnknownExport)
 run_cmake(EXPORT-NamelinkOnly)
 run_cmake(EXPORT-SeparateNamelink)
+run_cmake(EXPORT-TargetTwice)
 run_cmake(CMP0062-OLD)
 run_cmake(CMP0062-NEW)
 run_cmake(CMP0062-WARN)