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authorRobert Maynard <robert.maynard@kitware.com>2019-07-18 17:48:58 (GMT)
committerBrad King <brad.king@kitware.com>2019-07-25 11:30:13 (GMT)
commitfa203ee32375d1e1f92a5be0155b02ca46ab8ead (patch)
tree7eb76397e02397bb80e50f9337578918950c633f /Help/guide/tutorial/Complete
parenta1c6d7e9af5a241b1afa29b3f7459ee9ee4ec77a (diff)
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Tutorial: Improve Step 10 generator expression example.
Use compiler flags and standard levels as the compelling argument for using generator expressions and interface libraries
Diffstat (limited to 'Help/guide/tutorial/Complete')
-rw-r--r--Help/guide/tutorial/Complete/CMakeLists.txt15
-rw-r--r--Help/guide/tutorial/Complete/MathFunctions/CMakeLists.txt17
2 files changed, 23 insertions, 9 deletions
diff --git a/Help/guide/tutorial/Complete/CMakeLists.txt b/Help/guide/tutorial/Complete/CMakeLists.txt
index bea611c..4541392 100644
--- a/Help/guide/tutorial/Complete/CMakeLists.txt
+++ b/Help/guide/tutorial/Complete/CMakeLists.txt
@@ -1,8 +1,17 @@
-cmake_minimum_required(VERSION 3.3)
+cmake_minimum_required(VERSION 3.15)
project(Tutorial)
-set(CMAKE_CXX_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED True)
+add_library(tutorial_compiler_flags INTERFACE)
+target_compile_features(tutorial_compiler_flags INTERFACE cxx_std_11)
+
+# add compiler warning flags just when building this project via
+# the BUILD_INTERFACE genex
+set(gcc_like_cxx "$<COMPILE_LANG_AND_ID:CXX,ARMClang,AppleClang,Clang,GNU>")
+set(msvc_cxx "$<COMPILE_LANG_AND_ID:CXX,MSVC>")
+target_compile_options(tutorial_compiler_flags INTERFACE
+ "$<${gcc_like_cxx}:$<BUILD_INTERFACE:-Wall;-Wextra;-Wshadow;-Wformat=2;-Wunused>>"
+ "$<${msvc_cxx}:$<BUILD_INTERFACE:-W3>>"
+)
# set the version number
set(Tutorial_VERSION_MAJOR 1)
diff --git a/Help/guide/tutorial/Complete/MathFunctions/CMakeLists.txt b/Help/guide/tutorial/Complete/MathFunctions/CMakeLists.txt
index 63c0f5f..c12955d 100644
--- a/Help/guide/tutorial/Complete/MathFunctions/CMakeLists.txt
+++ b/Help/guide/tutorial/Complete/MathFunctions/CMakeLists.txt
@@ -21,6 +21,7 @@ if(USE_MYMATH)
# first we add the executable that generates the table
add_executable(MakeTable MakeTable.cxx)
+ target_link_libraries(MakeTable tutorial_compiler_flags)
# add the command to generate the source code
add_custom_command(
@@ -44,14 +45,18 @@ if(USE_MYMATH)
POSITION_INDEPENDENT_CODE ${BUILD_SHARED_LIBS}
)
- target_compile_definitions(SqrtLibrary PRIVATE
- "$<$<BOOL:${HAVE_LOG}>:HAVE_LOG>"
- "$<$<BOOL:${HAVE_EXP}>:HAVE_EXP>"
- )
+ target_link_libraries(SqrtLibrary PUBLIC tutorial_compiler_flags)
+
+
+ target_compile_definitions(MathFunctions PRIVATE "USE_MYMATH")
+ if(HAVE_LOG AND HAVE_EXP)
+ target_compile_definitions(SqrtLibrary
+ PRIVATE "HAVE_LOG" "HAVE_EXP")
+ endif()
target_link_libraries(MathFunctions PRIVATE SqrtLibrary)
endif()
-target_compile_definitions(MathFunctions PRIVATE "$<$<BOOL:${USE_MYMATH}>:USE_MYMATH>")
+target_link_libraries(MathFunctions PUBLIC tutorial_compiler_flags)
# define the symbol stating we are using the declspec(dllexport) when
# building on windows
@@ -62,7 +67,7 @@ set_property(TARGET MathFunctions PROPERTY VERSION "1.0.0")
set_property(TARGET MathFunctions PROPERTY SOVERSION "1")
# install rules
-install(TARGETS MathFunctions
+install(TARGETS MathFunctions tutorial_compiler_flags
DESTINATION lib
EXPORT MathFunctionsTargets)
install(FILES MathFunctions.h DESTINATION include)