Merge pull request #156 from OpenSEMBA/dev

Reorganizing compilation flags.

Author: lmdiazangulo

CMakeLists.txt

@@ -17,8 +17,11 @@ option(SEMBA_FDTD_ENABLE_HDF "Use HDF" ON)
 option(SEMBA_FDTD_ENABLE_MTLN "Use MTLN" ON)
 option(SEMBA_FDTD_ENABLE_SMBJSON "Use smbjson" ON)
 option(SEMBA_FDTD_ENABLE_DOUBLE_PRECISION "Use double precision (CompileWithReal8)" OFF)
+
 option(SEMBA_FDTD_ENABLE_TEST "Compile tests" ON)
-option(SEMBA_FDTD_ENABLE_INTEL_XHOST_OPTIMIZATION "Enables the -xHost optimization flag (not supported in github actions)" OFF) 
+
+option(SEMBA_FDTD_ENABLE_INTEL_XHOST_OPTIMIZATION "When compiling in Release, enables the -xHost optimization flag (not supported in github actions)" OFF) 
+option(SEMBA_FDTD_ENABLE_INTEL_IPO "When compiling in Release, enables the interprocedural optimization" ON)
 
 option(SEMBA_FDTD_EXECUTABLE "Compiles executable" ON)
 option(SEMBA_FDTD_MAIN_LIB "Compiles main library" ON)
@@ -69,14 +72,22 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux")
 		set(CMAKE_CXX_FLAGS "-qopenmp")
 		set(CMAKE_Fortran_FLAGS "-qopenmp -fpp -static-intel")
 
-		set(CMAKE_C_FLAGS_RELEASE "-O3 -ipo")
-		set(CMAKE_CXX_FLAGS_RELEASE "-O3 -ipo")
-		set(CMAKE_Fortran_FLAGS_RELEASE "-O3 -ipo -fp-model fast=2w") 
-		set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
-		if(SEMBA_FDTD_ENABLE_INTEL_XHOST_OPTIMIZATION) 
-			set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -xHost")
-			set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -xHost")
-			set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -xHost")
+		if (CMAKE_BUILD_TYPE STREQUAL "Release")
+			set(CMAKE_C_FLAGS_RELEASE "-O3")
+			set(CMAKE_CXX_FLAGS_RELEASE "-O3")
+			set(CMAKE_Fortran_FLAGS_RELEASE "-O3 -fp-model fast=2w")
+
+			if(SEMBA_FDTD_ENABLE_INTEL_IPO)
+				set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
+			else()
+				set(CMAKE_INTERPROCEDURAL_OPTIMIZATION OFF)
+			endif()
+		
+			if(SEMBA_FDTD_ENABLE_INTEL_XHOST_OPTIMIZATION) 
+				set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -xHost")
+				set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -xHost")
+				set(CMAKE_Fortran_FLAGS_RELEASE "${CMAKE_Fortran_FLAGS_RELEASE} -xHost")
+			endif()
 		endif()
 
 		set(CMAKE_Fortran_FLAGS_DEBUG "-check all,nouninit -debug full -traceback")
@@ -88,9 +99,9 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux")
 		set(CMAKE_CXX_FLAGS "-qopenmp -diag-disable=10441")
 		set(CMAKE_Fortran_FLAGS "-fpp -qopenmp -diag-disable=8889 -static-intel")
 
-		set(CMAKE_C_FLAGS_RELEASE "-O3 -ipo")
-		set(CMAKE_CXX_FLAGS_RELEASE "-O3 -ipo")
-		set(CMAKE_Fortran_FLAGS_RELEASE "-O3 -ipo")
+		set(CMAKE_C_FLAGS_RELEASE "-O3")
+		set(CMAKE_CXX_FLAGS_RELEASE "-O3")
+		set(CMAKE_Fortran_FLAGS_RELEASE "-O3")
 		set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
 		if(SEMBA_FDTD_ENABLE_INTEL_XHOST_OPTIMIZATION) 
 			set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -xHost")