[polly] 098130f - [CMake][Polly] Remove dead CMake code

[Raul Tambre via llvm-commits]

Author: Raul Tambre
Date: 2020-09-07T10:55:14+03:00
New Revision: 098130fa403a82f2a425761bbccdede022fac3ff

URL: https://github.com/llvm/llvm-project/commit/098130fa403a82f2a425761bbccdede022fac3ff
DIFF: https://github.com/llvm/llvm-project/commit/098130fa403a82f2a425761bbccdede022fac3ff.diff

LOG: [CMake][Polly] Remove dead CMake code

LLVM requires CMake 3.13.4 so remove code behind checks for an older version.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D87192

Added: 
    

Modified: 
    polly/cmake/polly_macros.cmake
    polly/lib/External/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/polly/cmake/polly_macros.cmake b/polly/cmake/polly_macros.cmake
index 86de6f10686e..518a09b45a42 100644
--- a/polly/cmake/polly_macros.cmake
+++ b/polly/cmake/polly_macros.cmake
@@ -72,21 +72,6 @@ macro(add_polly_loadable_module name)
   endif()
 endmacro(add_polly_loadable_module)
 
-# Use C99-compatible compile mode for all C source files of a target.
-function(target_enable_c99 _target)
-  if(CMAKE_VERSION VERSION_GREATER "3.1")
-    set_target_properties("${_target}" PROPERTIES C_STANDARD 99)
-  elseif(CMAKE_COMPILER_IS_GNUCC)
-    get_target_property(_sources "${_target}" SOURCES)
-    foreach(_file IN LISTS _sources)
-      get_source_file_property(_lang "${_file}" LANGUAGE)
-      if(_lang STREQUAL "C")
-        set_source_files_properties(${_file} COMPILE_FLAGS "-std=gnu99")
-      endif()
-    endforeach()
-  endif()
-endfunction()
-
 # Recursive helper for setup_source_group. Traverse the file system and add
 # source files matching the glob_expr to the prefix, recursing into
 # subdirectories as they are encountered

diff  --git a/polly/lib/External/CMakeLists.txt b/polly/lib/External/CMakeLists.txt
index 1039079cb49c..c953ea48475d 100644
--- a/polly/lib/External/CMakeLists.txt
+++ b/polly/lib/External/CMakeLists.txt
@@ -293,8 +293,7 @@ if (POLLY_BUNDLED_ISL)
     )
 
   # ISL requires at least C99 to compile. gcc < 5.0 use -std=gnu89 as default.
-  target_enable_c99(PollyISL)
-  target_enable_c99(polly-isl-test)
+  set_property(TARGET PollyISL polly-isl-test PROPERTY C_STANDARD 99)
 endif (POLLY_BUNDLED_ISL)
 
 set(PET_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/pet")