Merge topic 'if-sanity'

858d5a0b Fix if() checks of CMAKE_SYSTEM_NAME on Cygwin
e177e7af FPHSA: Avoid if() dereferencing of quoted variable
425acc52 cmcurl: Use if(DEFINED) to simplify conditions
cede5cbd libarchive: Avoid depending on if() to dereference a quoted variable
2d97178b FindGTK2: Avoid depending on if() to dereference a quoted variable
0b12815d Modules/Test*.cmake: Use if(DEFINED) to simplify conditions
188a1f23 If: Introduce policy CMP0054 - don't dereference quoted variables in if()
b900c1cc If: Extract cmConditionEvaluator from if() implementation

1 files changed, 25 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMP0054/CMP0054-keywords-NEW.cmake b/Tests/RunCMake/CMP0054/CMP0054-keywords-NEW.cmake
new file mode 100644
index 0000000..b957658
--- /dev/null
+++ b/Tests/RunCMake/CMP0054/CMP0054-keywords-NEW.cmake
@@ -0,0 +1,25 @@
+cmake_policy(SET CMP0054 NEW)
+
+function(assert KEYWORD)
+  if("${KEYWORD}" STREQUAL "${KEYWORD}")
+  else()
+    message(FATAL_ERROR
+      "Assertion failed [\"${KEYWORD}\" STREQUAL \"${KEYWORD}\"]")
+  endif()
+endfunction()
+
+assert("NOT")
+assert("COMMAND")
+assert("POLICY")
+assert("TARGET")
+assert("EXISTS")
+assert("IS_DIRECTORY")
+assert("IS_SYMLINK")
+assert("IS_ABSOLUTE")
+assert("DEFINED")
+assert("(")
+assert(")")
+
+if("NOT" 1)
+  message(FATAL_ERROR "[\"NOT\" 1] evaluated true")
+endif()