From b0a5a7606516e9b6656d1786e04ad310cc4f55ad Mon Sep 17 00:00:00 2001
From: Erik Frojdh <erik.frojdh@gmail.com>
Date: Wed, 24 Nov 2021 17:40:14 +0100
Subject: [PATCH] adding LTO to tests

---
 CMakeLists.txt                                   |  6 +++++-
 cmake/SlsAddFlag.cmake                           | 16 ++++++++--------
 .../moenchExecutables/CMakeLists.txt             |  2 +-
 slsDetectorGui/CMakeLists.txt                    |  2 +-
 slsReceiverSoftware/CMakeLists.txt               |  4 ++--
 tests/CMakeLists.txt                             |  4 ++++
 6 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4db277142..85f79865d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,7 +70,11 @@ find_package(ClangFormat)
 #Enable LTO if available
 include(CheckIPOSupported)
 check_ipo_supported(RESULT SLS_LTO_AVAILABLE)
-message(STATUS "SLS_LTO_AVAILABLE:" ${SLS_LTO_AVAILABLE})
+if (SLS_LTO_AVAILABLE)
+    message(STATUS "Building with link time optimization")
+else()
+    message(STATUS "Link time optimization is not available")
+endif()
 
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
diff --git a/cmake/SlsAddFlag.cmake b/cmake/SlsAddFlag.cmake
index b4f754afc..4eae60fbe 100644
--- a/cmake/SlsAddFlag.cmake
+++ b/cmake/SlsAddFlag.cmake
@@ -7,9 +7,9 @@ function(enable_cxx_warning flag target)
     check_cxx_compiler_flag(${flag} ${flag_name})
     if(${flag_name})
         target_compile_options(${target} INTERFACE ${flag})
-        message("Adding: ${flag} to ${target}")
+        message(STATUS "Adding: ${flag} to ${target}")
     else()
-        message("Flag: ${flag} not supported")
+        message(STATUS "Flag: ${flag} not supported")
     endif()
 endfunction()
 
@@ -18,9 +18,9 @@ function(enable_c_warning flag target)
     check_c_compiler_flag(${flag} ${flag_name})
     if(${flag_name})
         target_compile_options(${target} INTERFACE ${flag})
-        message("Adding: ${flag} to ${target}")
+        message(STATUS "Adding: ${flag} to ${target}")
     else()
-        message("Flag: ${flag} not supported")
+        message(STATUS "Flag: ${flag} not supported")
     endif()
 endfunction()
 
@@ -31,10 +31,10 @@ function(disable_cxx_warning flag target)
 
     if(${flag_name})
         string(REPLACE "-W" "-Wno-" neg_flag ${flag})
-        message("Adding: ${neg_flag} to ${target}")
+        message(STATUS "Adding: ${neg_flag} to ${target}")
         target_compile_options(${target} INTERFACE ${neg_flag})
     else()
-        message("Warning: ${flag} not supported no need to disable")
+        message(STATUS "Warning: ${flag} not supported no need to disable")
     endif()
 endfunction()
 
@@ -43,10 +43,10 @@ function(disable_c_warning flag target)
     check_c_compiler_flag(${flag} ${flag_name})
     if(${flag_name})
         string(REPLACE "-W" "-Wno-" neg_flag ${flag})
-        message("Adding: ${neg_flag} to ${target}")
+        message(STATUS "Adding: ${neg_flag} to ${target}")
         target_compile_options(${target} INTERFACE ${neg_flag})
     else()
-        message("Warning: ${flag} not supported no need to disable")
+        message(STATUS "Warning: ${flag} not supported no need to disable")
     endif()
 endfunction()
 
diff --git a/slsDetectorCalibration/moenchExecutables/CMakeLists.txt b/slsDetectorCalibration/moenchExecutables/CMakeLists.txt
index cd7cb6182..e52360f1f 100644
--- a/slsDetectorCalibration/moenchExecutables/CMakeLists.txt
+++ b/slsDetectorCalibration/moenchExecutables/CMakeLists.txt
@@ -39,7 +39,7 @@ foreach(exe ${MOENCH_EXECUTABLES})
     set_target_properties(${exe}  PROPERTIES 
         RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
     )
-    if(SLS_LTO_AVAILABLE)
+    if((CMAKE_BUILD_TYPE STREQUAL "Release") AND SLS_LTO_AVAILABLE)
         set_property(TARGET ${exe} PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
     endif()
 
diff --git a/slsDetectorGui/CMakeLists.txt b/slsDetectorGui/CMakeLists.txt
index 75f4ed2f6..aa5583894 100755
--- a/slsDetectorGui/CMakeLists.txt
+++ b/slsDetectorGui/CMakeLists.txt
@@ -110,7 +110,7 @@ target_link_libraries(slsDetectorGui PUBLIC
 set_target_properties(slsDetectorGui PROPERTIES
     RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
 )
-if(SLS_LTO_AVAILABLE)
+if((CMAKE_BUILD_TYPE STREQUAL "Release") AND SLS_LTO_AVAILABLE)
     set_property(TARGET slsDetectorGui PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
 endif()
 
diff --git a/slsReceiverSoftware/CMakeLists.txt b/slsReceiverSoftware/CMakeLists.txt
index e138d8fa5..14efab277 100755
--- a/slsReceiverSoftware/CMakeLists.txt
+++ b/slsReceiverSoftware/CMakeLists.txt
@@ -104,7 +104,7 @@ if (SLS_USE_RECEIVER_BINARIES)
     set_target_properties(slsReceiver PROPERTIES
         RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
     )
-    if(SLS_LTO_AVAILABLE)
+    if((CMAKE_BUILD_TYPE STREQUAL "Release") AND SLS_LTO_AVAILABLE)
         set_property(TARGET slsReceiver PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
     endif()
 
@@ -124,7 +124,7 @@ if (SLS_USE_RECEIVER_BINARIES)
     set_target_properties(slsMultiReceiver PROPERTIES
         RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
     )
-    if(SLS_LTO_AVAILABLE)
+    if((CMAKE_BUILD_TYPE STREQUAL "Release") AND SLS_LTO_AVAILABLE)
         set_property(TARGET slsMultiReceiver PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
     endif()
 
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 9c4cc368a..b66f84d37 100755
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -43,6 +43,10 @@ if (SLS_USE_RECEIVER)
 endif (SLS_USE_RECEIVER)
 
 
+if((CMAKE_BUILD_TYPE STREQUAL "Release") AND SLS_LTO_AVAILABLE)
+    set_property(TARGET tests PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
+endif()
+
 set_target_properties(tests PROPERTIES
         RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin
     )