find_package: raise error on empty version range

17 files changed, 97 insertions, 36 deletions

diff --git a/Modules/FindPackageHandleStandardArgs.cmake b/Modules/FindPackageHandleStandardArgs.cmake
index b06433d..7af0171 100644
--- a/Modules/FindPackageHandleStandardArgs.cmake
+++ b/Modules/FindPackageHandleStandardArgs.cmake
@@ -294,16 +294,12 @@ function(FIND_PACKAGE_CHECK_VERSION version result)
   unset (version_msg)
 
   if (FPCV_HANDLE_VERSION_RANGE AND ${package}_FIND_VERSION_RANGE)
-    if (${package}_FIND_VERSION_MIN VERSION_GREATER ${package}_FIND_VERSION_MAX
-        OR (${package}_FIND_VERSION_MIN VERSION_EQUAL ${package}_FIND_VERSION_MAX
-          AND ${package}_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE"))
-      set (version_msg "Found unsuitable version \"${version}\", required range is empty (\"${${package}_FIND_VERSION_RANGE}\")")
-    elseif ((${package}_FIND_VERSION_RANGE_MIN STREQUAL "INCLUDE"
-            AND version VERSION_GREATER_EQUAL ${package}_FIND_VERSION_MIN)
+    if ((${package}_FIND_VERSION_RANGE_MIN STREQUAL "INCLUDE"
+          AND version VERSION_GREATER_EQUAL ${package}_FIND_VERSION_MIN)
         AND ((${package}_FIND_VERSION_RANGE_MAX STREQUAL "INCLUDE"
             AND version VERSION_LESS_EQUAL ${package}_FIND_VERSION_MAX)
           OR (${package}_FIND_VERSION_RANGE_MAX STREQUAL "EXCLUDE"
-              AND version VERSION_LESS ${package}_FIND_VERSION_MAX)))
+            AND version VERSION_LESS ${package}_FIND_VERSION_MAX)))
       set (version_ok TRUE)
       set(version_msg "(found suitable version \"${version}\", required range is \"${${package}_FIND_VERSION_RANGE}\")")
     else()
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index 51137b3..86251d2 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -426,7 +426,7 @@ bool cmFindPackageCommand::InitialPass(std::vector<std::string> const& args)
   // fill various parts of version specification
   if (!this->VersionComplete.empty()) {
     if (!versionRegex.find(this->VersionComplete)) {
-      this->SetError("called with invalid version specification");
+      this->SetError("called with invalid version specification.");
       return false;
     }
 
@@ -440,6 +440,19 @@ bool cmFindPackageCommand::InitialPass(std::vector<std::string> const& args)
     }
   }
 
+  if (!this->VersionRange.empty()) {
+    // version range must not be empty
+    if ((this->VersionRangeMax == VERSION_ENDPOINT_INCLUDED &&
+         cmSystemTools::VersionCompareGreater(this->Version,
+                                              this->VersionMax)) ||
+        (this->VersionRangeMax == VERSION_ENDPOINT_EXCLUDED &&
+         cmSystemTools::VersionCompareGreaterEq(this->Version,
+                                                this->VersionMax))) {
+      this->SetError("specified version range is empty.");
+      return false;
+    }
+  }
+
   if (this->VersionExact && !this->VersionRange.empty()) {
     this->SetError("EXACT cannot be specified with a version range.");
     return false;
diff --git a/Tests/RunCMake/FPHSA/RunCMakeTest.cmake b/Tests/RunCMake/FPHSA/RunCMakeTest.cmake
index e4b8700..28b8570 100644
--- a/Tests/RunCMake/FPHSA/RunCMakeTest.cmake
+++ b/Tests/RunCMake/FPHSA/RunCMakeTest.cmake
@@ -61,8 +61,6 @@ set(RunCMake_TEST_OPTIONS "-DCMAKE_MODULE_PATH=${CMAKE_CURRENT_LIST_DIR}" "-DPse
 run_cmake(range_ignored)
 set(RunCMake_TEST_OPTIONS "-DCMAKE_MODULE_PATH=${CMAKE_CURRENT_LIST_DIR}" "-DPseudoRange_VERSION=2.0")
 run_cmake(range_no-range)
-run_cmake(range_empty-1)
-run_cmake(range_empty-2)
 run_cmake(range_1-3)
 run_cmake(range_1-2-include)
 run_cmake(range_1-2-exclude)
diff --git a/Tests/RunCMake/FPHSA/range_empty-1-result.txt b/Tests/RunCMake/FPHSA/range_empty-1-result.txt
deleted file mode 100644
index d00491f..0000000
--- a/Tests/RunCMake/FPHSA/range_empty-1-result.txt
+++ /dev/null
@@ -1 +0,0 @@
-1
diff --git a/Tests/RunCMake/FPHSA/range_empty-1-stderr.txt b/Tests/RunCMake/FPHSA/range_empty-1-stderr.txt
deleted file mode 100644
index e1c741a..0000000
--- a/Tests/RunCMake/FPHSA/range_empty-1-stderr.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-CMake Error at .+FindPackageHandleStandardArgs.cmake:[0-9]+ \(message\):
-  Could NOT find PseudoRange: Found unsuitable version "2\.0", required range
-  is empty \("3\.0\.\.\.2\.0"\) \(found TRUE\)
-Call Stack \(most recent call first\):
-  .+FindPackageHandleStandardArgs.cmake:[0-9]+ \(_FPHSA_FAILURE_MESSAGE\)
-  FindPseudoRange.cmake:[0-9]+ \(find_package_handle_standard_args\)
diff --git a/Tests/RunCMake/FPHSA/range_empty-1.cmake b/Tests/RunCMake/FPHSA/range_empty-1.cmake
deleted file mode 100644
index c510d7d..0000000
--- a/Tests/RunCMake/FPHSA/range_empty-1.cmake
+++ /dev/null
@@ -1 +0,0 @@
-find_package(PseudoRange 3.0...2.0 REQUIRED)
diff --git a/Tests/RunCMake/FPHSA/range_empty-2-stderr.txt b/Tests/RunCMake/FPHSA/range_empty-2-stderr.txt
deleted file mode 100644
index ee0e79a..0000000
--- a/Tests/RunCMake/FPHSA/range_empty-2-stderr.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-CMake Error at .+FindPackageHandleStandardArgs.cmake:[0-9]+ \(message\):
-  Could NOT find PseudoRange: Found unsuitable version "2\.0", required range
-  is empty \("2\.0\.\.\.<2.0"\) \(found TRUE\)
-Call Stack \(most recent call first\):
-  .+FindPackageHandleStandardArgs.cmake:[0-9]+ \(_FPHSA_FAILURE_MESSAGE\)
-  FindPseudoRange.cmake:[0-9]+ \(find_package_handle_standard_args\)
diff --git a/Tests/RunCMake/FPHSA/range_empty-2.cmake b/Tests/RunCMake/FPHSA/range_empty-2.cmake
deleted file mode 100644
index 3ce90e8..0000000
--- a/Tests/RunCMake/FPHSA/range_empty-2.cmake
+++ /dev/null
@@ -1 +0,0 @@
-find_package(PseudoRange 2.0...<2.0 REQUIRED)
diff --git a/Tests/RunCMake/FPHSA/range_empty-2-result.txt b/Tests/RunCMake/find_package/EmptyVersionRange-result.txt
index d00491f..d00491f 100644
--- a/Tests/RunCMake/FPHSA/range_empty-2-result.txt
+++ b/Tests/RunCMake/find_package/EmptyVersionRange-result.txt
diff --git a/Tests/RunCMake/find_package/EmptyVersionRange-stderr.txt b/Tests/RunCMake/find_package/EmptyVersionRange-stderr.txt
new file mode 100644
index 0000000..9c00b96
--- /dev/null
+++ b/Tests/RunCMake/find_package/EmptyVersionRange-stderr.txt
@@ -0,0 +1,10 @@
+CMake Error at EmptyVersionRange.cmake:[0-9]+ \(find_package\):
+  find_package specified version range is empty.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
+
+
+CMake Error at EmptyVersionRange.cmake:[0-9]+ \(find_package\):
+  find_package specified version range is empty.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/find_package/EmptyVersionRange.cmake b/Tests/RunCMake/find_package/EmptyVersionRange.cmake
new file mode 100644
index 0000000..553e297
--- /dev/null
+++ b/Tests/RunCMake/find_package/EmptyVersionRange.cmake
@@ -0,0 +1,3 @@
+find_package(VersionRange 2.3...1.2)
+
+find_package(VersionRange 2.3...<2.3)
diff --git a/Tests/RunCMake/find_package/FindVersionRange.cmake b/Tests/RunCMake/find_package/FindVersionRange.cmake
index ff84e93..27e5b90 100644
--- a/Tests/RunCMake/find_package/FindVersionRange.cmake
+++ b/Tests/RunCMake/find_package/FindVersionRange.cmake
@@ -3,19 +3,19 @@ if (NOT VersionRange_FIND_VERSION_COMPLETE STREQUAL VersionRange_SPECIFIED_VERSI
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_COMPLETE: ${VersionRange_FIND_VERSION_COMPLETE}")
 endif()
 
-if (NOT VersionRange_FIND_VERSION VERSION_EQUAL "1.2.3.4")
+if (NOT VersionRange_FIND_VERSION VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION: ${VersionRange_FIND_VERSION}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MAJOR VERSION_EQUAL "1")
+if (NOT VersionRange_FIND_VERSION_MAJOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MAJOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MAJOR: ${VersionRange_FIND_VERSION_MAJOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MINOR VERSION_EQUAL "2")
+if (NOT VersionRange_FIND_VERSION_MINOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MINOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MINOR: ${VersionRange_FIND_VERSION_MINOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_PATCH VERSION_EQUAL "3")
+if (NOT VersionRange_FIND_VERSION_PATCH VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_PATCH)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_PATCH: ${VersionRange_FIND_VERSION_PATCH}")
 endif()
-if (NOT VersionRange_FIND_VERSION_TWEAK VERSION_EQUAL "4")
+if (NOT VersionRange_FIND_VERSION_TWEAK VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_TWEAK)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_TWEAK: ${VersionRange_FIND_VERSION_TWEAK}")
 endif()
 
@@ -35,19 +35,19 @@ else()
   endif()
 endif()
 
-if (NOT VersionRange_FIND_VERSION_MIN VERSION_EQUAL "1.2.3.4")
-  message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN: ${VersionRange_FIND_VERSION}")
+if (NOT VersionRange_FIND_VERSION_MIN VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN)
+  message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN: ${VersionRange_FIND_VERSION_MIN}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_MAJOR VERSION_EQUAL "1")
+if (NOT VersionRange_FIND_VERSION_MIN_MAJOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MAJOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_MAJOR: ${VersionRange_FIND_VERSION_MIN_MAJOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_MINOR VERSION_EQUAL "2")
+if (NOT VersionRange_FIND_VERSION_MIN_MINOR VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_MINOR)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_MINOR: ${VersionRange_FIND_VERSION_MIN_MINOR}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_PATCH VERSION_EQUAL "3")
+if (NOT VersionRange_FIND_VERSION_MIN_PATCH VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_PATCH)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_PATCH: ${VersionRange_FIND_VERSION_MIN_PATCH}")
 endif()
-if (NOT VersionRange_FIND_VERSION_MIN_TWEAK VERSION_EQUAL "4")
+if (NOT VersionRange_FIND_VERSION_MIN_TWEAK VERSION_EQUAL VersionRange_SPECIFIED_VERSION_MIN_TWEAK)
   message (SEND_ERROR "Wrong value for VersionRange_FIND_VERSION_MIN_TWEAK: ${VersionRange_FIND_VERSION_MIN_TWEAK}")
 endif()
 
diff --git a/Tests/RunCMake/find_package/RunCMakeTest.cmake b/Tests/RunCMake/find_package/RunCMakeTest.cmake
index 7755a70..a899f46 100644
--- a/Tests/RunCMake/find_package/RunCMakeTest.cmake
+++ b/Tests/RunCMake/find_package/RunCMakeTest.cmake
@@ -30,10 +30,12 @@ run_cmake(CMP0084-OLD)
 run_cmake(CMP0084-WARN)
 run_cmake(CMP0084-NEW)
 run_cmake(WrongVersionRange)
+run_cmake(EmptyVersionRange)
 run_cmake(VersionRangeWithEXACT)
 run_cmake(VersionRange)
 run_cmake(VersionRange2)
 run_cmake(VersionRange3)
+run_cmake(VersionRange4)
 run_cmake(VersionRangeConfig)
 run_cmake(VersionRangeConfig2)
 run_cmake(VersionRangeConfigStd)
diff --git a/Tests/RunCMake/find_package/VersionRange.cmake b/Tests/RunCMake/find_package/VersionRange.cmake
index b3d8950..30b88a8 100644
--- a/Tests/RunCMake/find_package/VersionRange.cmake
+++ b/Tests/RunCMake/find_package/VersionRange.cmake
@@ -3,6 +3,11 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set (VersionRange_SPECIFIED_VERSION_COMPLETE 1.2.3.4...5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_RANGE 1.2.3.4...5.6.7.8)
+set (VersionRange_SPECIFIED_VERSION_MIN 1.2.3.4)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 1)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 4)
 set (VersionRange_SPECIFIED_VERSION_MAX 5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 5)
 set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 6)
diff --git a/Tests/RunCMake/find_package/VersionRange2.cmake b/Tests/RunCMake/find_package/VersionRange2.cmake
index d0e685b..9adcc64 100644
--- a/Tests/RunCMake/find_package/VersionRange2.cmake
+++ b/Tests/RunCMake/find_package/VersionRange2.cmake
@@ -3,6 +3,11 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set (VersionRange_SPECIFIED_VERSION_COMPLETE 1.2.3.4...<5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_RANGE 1.2.3.4...<5.6.7.8)
+set (VersionRange_SPECIFIED_VERSION_MIN 1.2.3.4)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 1)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 4)
 set (VersionRange_SPECIFIED_VERSION_MAX 5.6.7.8)
 set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 5)
 set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 6)
diff --git a/Tests/RunCMake/find_package/VersionRange3.cmake b/Tests/RunCMake/find_package/VersionRange3.cmake
index 76eef1d..41efac4 100644
--- a/Tests/RunCMake/find_package/VersionRange3.cmake
+++ b/Tests/RunCMake/find_package/VersionRange3.cmake
@@ -5,6 +5,11 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set (VersionRange_SPECIFIED_VERSION_COMPLETE 1.2.3.4...<2.3.4.5)
 set (VersionRange_SPECIFIED_VERSION_RANGE 1.2.3.4...<2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MIN 1.2.3.4)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 1)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 4)
 set (VersionRange_SPECIFIED_VERSION_MAX 2.3.4.5)
 set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 2)
 set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 3)
diff --git a/Tests/RunCMake/find_package/VersionRange4.cmake b/Tests/RunCMake/find_package/VersionRange4.cmake
new file mode 100644
index 0000000..0953d04
--- /dev/null
+++ b/Tests/RunCMake/find_package/VersionRange4.cmake
@@ -0,0 +1,39 @@
+
+# show the effect of the exclusion or inclusion of the upper endpoint
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
+
+set (VersionRange_SPECIFIED_VERSION_COMPLETE 2.3.4.5...2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_RANGE 2.3.4.5...2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MIN 2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MIN_MAJOR 2)
+set (VersionRange_SPECIFIED_VERSION_MIN_MINOR 3)
+set (VersionRange_SPECIFIED_VERSION_MIN_PATCH 4)
+set (VersionRange_SPECIFIED_VERSION_MIN_TWEAK 5)
+set (VersionRange_SPECIFIED_VERSION_MAX 2.3.4.5)
+set (VersionRange_SPECIFIED_VERSION_MAX_MAJOR 2)
+set (VersionRange_SPECIFIED_VERSION_MAX_MINOR 3)
+set (VersionRange_SPECIFIED_VERSION_MAX_PATCH 4)
+set (VersionRange_SPECIFIED_VERSION_MAX_TWEAK 5)
+
+find_package (VersionRange ${VersionRange_SPECIFIED_VERSION_RANGE})
+
+if (NOT VersionRange_FOUND)
+  message (FATAL_ERROR "Package VersionRange not found.")
+endif()
+
+if (NOT VersionRange_VERSION VERSION_EQUAL "2.3.4.5")
+  message (SEND_ERROR "Wrong version : ${VersionRange_VERSION}")
+endif()
+if (NOT VersionRange_VERSION_MAJOR VERSION_EQUAL "2")
+  message (SEND_ERROR "Wrong major version : ${VersionRange_VERSION_MAJOR}")
+endif()
+if (NOT VersionRange_VERSION_MINOR VERSION_EQUAL "3")
+  message (SEND_ERROR "Wrong minor version : ${VersionRange_VERSION_MINOR}")
+endif()
+if (NOT VersionRange_VERSION_PATCH VERSION_EQUAL "4")
+  message (SEND_ERROR "Wrong patch version : ${VersionRange_VERSION_PATCH}")
+endif()
+if (NOT VersionRange_VERSION_TWEAK VERSION_EQUAL "5")
+  message (SEND_ERROR "Wrong tweak version : ${VersionRange_VERSION_TWEAK}")
+endif()