1 files changed, 69 insertions, 0 deletions
diff --git a/sci-mathematics/flint/files/flint-2.9.0-remove-hardcoded-CFLAGS.patch b/sci-mathematics/flint/files/flint-2.9.0-remove-hardcoded-CFLAGS.patch
new file mode 100644
index 000000000000..b057ea207bbd
--- /dev/null
+++ b/sci-mathematics/flint/files/flint-2.9.0-remove-hardcoded-CFLAGS.patch
@@ -0,0 +1,69 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 9784633c4..641ab9ed4 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,6 +1,5 @@
+ cmake_minimum_required(VERSION 3.9)
+ 
+-include(CheckIPOSupported)
+ include(CheckIncludeFiles)
+ include(CheckFunctionExists)
+ include(CheckPrototypeDefinition)
+@@ -126,13 +125,6 @@ with open(join('${CMAKE_SOURCE_DIR}','qadic', 'CPimport.txt')) as fin:
+ )
+ configure_file(${CMAKE_BINARY_DIR}/CPimport.h.in ${CMAKE_BINARY_DIR}/CPimport.h COPYONLY)
+ 
+-# Setup for flint-config.h
+-check_c_compiler_flag("-mpopcnt" HAS_FLAG_MPOPCNT)
+-check_c_compiler_flag("-funroll-loops" HAS_FLAG_UNROLL_LOOPS)
+-
+-if(HAS_FLAG_MPOPCNT)
+-  set(CMAKE_REQUIRED_FLAGS "-mpopcnt")
+-endif()
+ # Testing __builtin_popcountl...
+ check_c_source_runs([[int main(int argc, char ** argv) {
+   #if defined(_WIN64)
+@@ -141,7 +133,6 @@ check_c_source_runs([[int main(int argc, char ** argv) {
+   return __builtin_popcountl(argc) == 100;
+   #endif
+   }]] FLINT_USES_POPCNT)
+-unset(CMAKE_REQUIRED_FLAGS)
+ 
+ # fenv configuration
+ check_c_source_compiles([[#include <fenv.h>
+@@ -250,13 +241,6 @@ if(BUILD_SHARED_LIBS AND WIN32)
+     target_compile_definitions(flint PUBLIC "MSC_USE_DLL")
+ endif()
+ 
+-if (HAS_FLAG_MPOPCNT)
+-    target_compile_options(flint PUBLIC "-mpopcnt")
+-endif()
+-if (HAS_FLAG_UNROLL_LOOPS)
+-    target_compile_options(flint PUBLIC "-funroll-loops")
+-endif()
+-
+ # Versioning
+ 
+ set_target_properties(flint PROPERTIES
+@@ -279,21 +263,6 @@ elseif (WIN32)
+     set_target_properties(flint PROPERTIES RUNTIME_OUTPUT_NAME "flint-${FLINT_MAJOR}")
+ endif()
+ 
+-if(NOT DEFINED IPO_SUPPORTED)
+-    message(STATUS "Checking for IPO")
+-    check_ipo_supported(RESULT ipo_supported LANGUAGES C)
+-    if(ipo_supported)
+-        message(STATUS "Checking for IPO - found")
+-    else()
+-        message(STATUS "Checking for IPO - not found")
+-    endif()
+-    set(IPO_SUPPORTED ${ipo_supported} CACHE INTERNAL "Introprocedural Optimization" FORCE)
+-endif()
+-
+-if(IPO_SUPPORTED)
+-    set_target_properties(flint PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
+-endif()
+-
+ if(NOT MSVC)
+ 	target_link_libraries(flint PUBLIC m)
+ endif()