GenerateExportHeader: Do not define DEFINE_NO_DEPRECATED (#16022)

Previously we allowed this definition to persist outside our header.
This would cause conflicts across multiple such headers because the name
was always the same.  Fix this by avoiding the definition altogether.

16 files changed, 60 insertions, 45 deletions

diff --git a/Modules/GenerateExportHeader.cmake b/Modules/GenerateExportHeader.cmake
index 4f4efbc..6389d30 100644
--- a/Modules/GenerateExportHeader.cmake
+++ b/Modules/GenerateExportHeader.cmake
@@ -341,7 +341,9 @@ macro(_DO_GENERATE_EXPORT_HEADER TARGET_LIBRARY)
   string(MAKE_C_IDENTIFIER ${STATIC_DEFINE} STATIC_DEFINE)
 
   if(_GEH_DEFINE_NO_DEPRECATED)
-    set(DEFINE_NO_DEPRECATED TRUE)
+    set(DEFINE_NO_DEPRECATED 1)
+  else()
+    set(DEFINE_NO_DEPRECATED 0)
   endif()
 
   if(_GEH_NO_DEPRECATED_MACRO_NAME)
diff --git a/Modules/exportheader.cmake.in b/Modules/exportheader.cmake.in
index 118de16..7058f54 100644
--- a/Modules/exportheader.cmake.in
+++ b/Modules/exportheader.cmake.in
@@ -33,8 +33,7 @@
 #  define @DEPRECATED_MACRO_NAME@_NO_EXPORT @NO_EXPORT_MACRO_NAME@ @DEPRECATED_MACRO_NAME@
 #endif
 
-#cmakedefine01 DEFINE_NO_DEPRECATED
-#if DEFINE_NO_DEPRECATED
+#if @DEFINE_NO_DEPRECATED@ /* DEFINE_NO_DEPRECATED */
 # define @NO_DEPRECATED_MACRO_NAME@
 #endif
 
diff --git a/Tests/Module/GenerateExportHeader/reference/Empty/libshared_export.h b/Tests/Module/GenerateExportHeader/reference/Empty/libshared_export.h
index b6749b2..e8af0a5 100644
--- a/Tests/Module/GenerateExportHeader/reference/Empty/libshared_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/Empty/libshared_export.h
@@ -33,9 +33,10 @@
 #  define LIBSHARED_DEPRECATED_NO_EXPORT LIBSHARED_NO_EXPORT LIBSHARED_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSHARED_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSHARED_NO_DEPRECATED
+#    define LIBSHARED_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/Empty/libstatic_export.h b/Tests/Module/GenerateExportHeader/reference/Empty/libstatic_export.h
index e8000e2..598bd71 100644
--- a/Tests/Module/GenerateExportHeader/reference/Empty/libstatic_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/Empty/libstatic_export.h
@@ -33,9 +33,10 @@
 #  define LIBSTATIC_DEPRECATED_NO_EXPORT LIBSTATIC_NO_EXPORT LIBSTATIC_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSTATIC_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSTATIC_NO_DEPRECATED
+#    define LIBSTATIC_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/MinGW/libshared_export.h b/Tests/Module/GenerateExportHeader/reference/MinGW/libshared_export.h
index d376631..cc20e09 100644
--- a/Tests/Module/GenerateExportHeader/reference/MinGW/libshared_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/MinGW/libshared_export.h
@@ -33,9 +33,10 @@
 #  define LIBSHARED_DEPRECATED_NO_EXPORT LIBSHARED_NO_EXPORT LIBSHARED_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSHARED_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSHARED_NO_DEPRECATED
+#    define LIBSHARED_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/MinGW/libstatic_export.h b/Tests/Module/GenerateExportHeader/reference/MinGW/libstatic_export.h
index fd021e9..4aaa848 100644
--- a/Tests/Module/GenerateExportHeader/reference/MinGW/libstatic_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/MinGW/libstatic_export.h
@@ -33,9 +33,10 @@
 #  define LIBSTATIC_DEPRECATED_NO_EXPORT LIBSTATIC_NO_EXPORT LIBSTATIC_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSTATIC_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSTATIC_NO_DEPRECATED
+#    define LIBSTATIC_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/UNIX/libshared_export.h b/Tests/Module/GenerateExportHeader/reference/UNIX/libshared_export.h
index 7d8087f..053ad18 100644
--- a/Tests/Module/GenerateExportHeader/reference/UNIX/libshared_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/UNIX/libshared_export.h
@@ -33,9 +33,10 @@
 #  define LIBSHARED_DEPRECATED_NO_EXPORT LIBSHARED_NO_EXPORT LIBSHARED_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSHARED_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSHARED_NO_DEPRECATED
+#    define LIBSHARED_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/UNIX/libstatic_export.h b/Tests/Module/GenerateExportHeader/reference/UNIX/libstatic_export.h
index fd021e9..4aaa848 100644
--- a/Tests/Module/GenerateExportHeader/reference/UNIX/libstatic_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/UNIX/libstatic_export.h
@@ -33,9 +33,10 @@
 #  define LIBSTATIC_DEPRECATED_NO_EXPORT LIBSTATIC_NO_EXPORT LIBSTATIC_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSTATIC_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSTATIC_NO_DEPRECATED
+#    define LIBSTATIC_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libshared_export.h b/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libshared_export.h
index 5681f58..808ff01 100644
--- a/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libshared_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libshared_export.h
@@ -33,9 +33,10 @@
 #  define LIBSHARED_DEPRECATED_NO_EXPORT LIBSHARED_NO_EXPORT LIBSHARED_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSHARED_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSHARED_NO_DEPRECATED
+#    define LIBSHARED_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libstatic_export.h b/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libstatic_export.h
index fd021e9..4aaa848 100644
--- a/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libstatic_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/UNIX_DeprecatedOnly/libstatic_export.h
@@ -33,9 +33,10 @@
 #  define LIBSTATIC_DEPRECATED_NO_EXPORT LIBSTATIC_NO_EXPORT LIBSTATIC_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSTATIC_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSTATIC_NO_DEPRECATED
+#    define LIBSTATIC_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libshared_export.h b/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libshared_export.h
index d376631..cc20e09 100644
--- a/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libshared_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libshared_export.h
@@ -33,9 +33,10 @@
 #  define LIBSHARED_DEPRECATED_NO_EXPORT LIBSHARED_NO_EXPORT LIBSHARED_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSHARED_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSHARED_NO_DEPRECATED
+#    define LIBSHARED_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libstatic_export.h b/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libstatic_export.h
index fd021e9..4aaa848 100644
--- a/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libstatic_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/Win32-Clang/libstatic_export.h
@@ -33,9 +33,10 @@
 #  define LIBSTATIC_DEPRECATED_NO_EXPORT LIBSTATIC_NO_EXPORT LIBSTATIC_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSTATIC_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSTATIC_NO_DEPRECATED
+#    define LIBSTATIC_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/Win32/libshared_export.h b/Tests/Module/GenerateExportHeader/reference/Win32/libshared_export.h
index 976c92e..4e675af 100644
--- a/Tests/Module/GenerateExportHeader/reference/Win32/libshared_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/Win32/libshared_export.h
@@ -33,9 +33,10 @@
 #  define LIBSHARED_DEPRECATED_NO_EXPORT LIBSHARED_NO_EXPORT LIBSHARED_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSHARED_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSHARED_NO_DEPRECATED
+#    define LIBSHARED_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/Win32/libstatic_export.h b/Tests/Module/GenerateExportHeader/reference/Win32/libstatic_export.h
index db4df61..4d5ed4e 100644
--- a/Tests/Module/GenerateExportHeader/reference/Win32/libstatic_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/Win32/libstatic_export.h
@@ -33,9 +33,10 @@
 #  define LIBSTATIC_DEPRECATED_NO_EXPORT LIBSTATIC_NO_EXPORT LIBSTATIC_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSTATIC_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSTATIC_NO_DEPRECATED
+#    define LIBSTATIC_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/WinEmpty/libshared_export.h b/Tests/Module/GenerateExportHeader/reference/WinEmpty/libshared_export.h
index 2dc41d4..84340e3 100644
--- a/Tests/Module/GenerateExportHeader/reference/WinEmpty/libshared_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/WinEmpty/libshared_export.h
@@ -33,9 +33,10 @@
 #  define LIBSHARED_DEPRECATED_NO_EXPORT LIBSHARED_NO_EXPORT LIBSHARED_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSHARED_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSHARED_NO_DEPRECATED
+#    define LIBSHARED_NO_DEPRECATED
+#  endif
 #endif
 
 #endif
diff --git a/Tests/Module/GenerateExportHeader/reference/WinEmpty/libstatic_export.h b/Tests/Module/GenerateExportHeader/reference/WinEmpty/libstatic_export.h
index e8000e2..598bd71 100644
--- a/Tests/Module/GenerateExportHeader/reference/WinEmpty/libstatic_export.h
+++ b/Tests/Module/GenerateExportHeader/reference/WinEmpty/libstatic_export.h
@@ -33,9 +33,10 @@
 #  define LIBSTATIC_DEPRECATED_NO_EXPORT LIBSTATIC_NO_EXPORT LIBSTATIC_DEPRECATED
 #endif
 
-#define DEFINE_NO_DEPRECATED 0
-#if DEFINE_NO_DEPRECATED
-# define LIBSTATIC_NO_DEPRECATED
+#if 0 /* DEFINE_NO_DEPRECATED */
+#  ifndef LIBSTATIC_NO_DEPRECATED
+#    define LIBSTATIC_NO_DEPRECATED
+#  endif
 #endif
 
 #endif