3 files changed, 7 insertions, 7 deletions
diff --git a/Modules/Compiler/Clang.cmake b/Modules/Compiler/Clang.cmake
index ef7ff2e..7d476f9 100644
--- a/Modules/Compiler/Clang.cmake
+++ b/Modules/Compiler/Clang.cmake
@@ -30,8 +30,8 @@ else()
       set(CMAKE_${lang}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "--gcc-toolchain=")
     endif()
 
-    set(_CMAKE_IPO_SUPPORTED_BY_CMAKE YES)
-    set(_CMAKE_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
+    set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
+    set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
 
     string(COMPARE EQUAL "${CMAKE_${lang}_COMPILER_ID}" "AppleClang" __is_apple_clang)
 
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake
index e2739a8..675e505 100644
--- a/Modules/Compiler/GNU.cmake
+++ b/Modules/Compiler/GNU.cmake
@@ -48,14 +48,14 @@ macro(__compiler_gnu lang)
     set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
   endif()
 
-  set(_CMAKE_IPO_SUPPORTED_BY_CMAKE YES)
-  set(_CMAKE_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
+  set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
+  set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
 
   # '-flto' introduced since GCC 4.5:
   # * https://gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc/Option-Summary.html (no)
   # * https://gcc.gnu.org/onlinedocs/gcc-4.5.4/gcc/Option-Summary.html (yes)
   if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.5)
-    set(_CMAKE_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
+    set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
     set(__lto_flags -flto)
 
     if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.7)
diff --git a/Modules/Compiler/QCC.cmake b/Modules/Compiler/QCC.cmake
index 695a138..0da7050 100644
--- a/Modules/Compiler/QCC.cmake
+++ b/Modules/Compiler/QCC.cmake
@@ -13,8 +13,8 @@ macro(__compiler_qcc lang)
   set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-Wp,-isystem,")
   set(CMAKE_DEPFILE_FLAGS_${lang} "-Wc,-MD,<DEPFILE>,-MT,<OBJECT>,-MF,<DEPFILE>")
 
-  set(_CMAKE_IPO_SUPPORTED_BY_CMAKE NO)
-  set(_CMAKE_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
+  set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE NO)
+  set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
 
   unset(CMAKE_${lang}_COMPILE_OPTIONS_IPO)
   unset(CMAKE_${lang}_ARCHIVE_CREATE_IPO)