Remove 3 out of 4 compile definitions

CMakeLists.txt

@@ -127,16 +127,16 @@ target_compile_features(DDC INTERFACE cxx_std_17)
 target_include_directories(
     DDC
     INTERFACE
+        "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/generated>"
         "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
         "$<INSTALL_INTERFACE:include>"
 )
 target_link_libraries(DDC INTERFACE Kokkos::kokkos)
 target_compile_definitions(DDC INTERFACE MDSPAN_USE_PAREN_OPERATOR=1)
-if("${DDC_BUILD_DOUBLE_PRECISION}")
-    target_compile_definitions(DDC INTERFACE DDC_BUILD_DOUBLE_PRECISION)
-endif()
 add_library(DDC::DDC ALIAS DDC)
 install(TARGETS DDC EXPORT DDCTargets)
+configure_file(cmake/config.hpp.in generated/ddc/config.hpp NO_SOURCE_PERMISSIONS @ONLY)
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/generated/ddc/config.hpp DESTINATION include/ddc)
 
 # Link library to DDC
 
@@ -166,7 +166,6 @@ if("${DDC_BUILD_KERNELS_FFT}")
     endif()
 
     target_link_libraries(DDC INTERFACE KokkosFFT::fft)
-    target_compile_definitions(DDC INTERFACE "DDC_BUILD_KERNELS_FFT")
 endif()
 
 if("${DDC_BUILD_KERNELS_SPLINES}")
@@ -204,7 +203,6 @@ if("${DDC_BUILD_KERNELS_SPLINES}")
     endif()
 
     target_link_libraries(DDC INTERFACE Kokkos::kokkoskernels)
-    target_compile_definitions(DDC INTERFACE "DDC_BUILD_KERNELS_SPLINES")
 endif()
 
 ## The PDI wrapper
@@ -219,7 +217,6 @@ if("${DDC_BUILD_PDI_WRAPPER}")
             "$<INSTALL_INTERFACE:include>"
     )
     target_link_libraries(PDI_Wrapper INTERFACE DDC::DDC PDI::PDI_C)
-    target_compile_definitions(PDI_Wrapper INTERFACE "DDC_BUILD_PDI_WRAPPER")
     add_library(DDC::PDI_Wrapper ALIAS PDI_Wrapper)
     install(TARGETS PDI_Wrapper EXPORT DDCTargets)
 endif()

examples/CMakeLists.txt

@@ -13,6 +13,9 @@ target_link_libraries(non_uniform_heat_equation PUBLIC DDC::DDC)
 target_link_libraries(uniform_heat_equation PUBLIC DDC::DDC)
 
 if("${DDC_BUILD_PDI_WRAPPER}")
+    target_include_directories(heat_equation PUBLIC "DDC_EXAMPLE_WITH_PDI")
+    target_include_directories(uniform_heat_equation PUBLIC "DDC_EXAMPLE_WITH_PDI")
+    target_include_directories(non_uniform_heat_equation PUBLIC "DDC_EXAMPLE_WITH_PDI")
     target_link_libraries(heat_equation PUBLIC DDC::PDI_Wrapper)
     target_link_libraries(uniform_heat_equation PUBLIC DDC::PDI_Wrapper)
     target_link_libraries(non_uniform_heat_equation PUBLIC DDC::PDI_Wrapper)

examples/heat_equation.cpp

@@ -13,7 +13,9 @@
 #include <ddc/ddc.hpp>
 
 #include <Kokkos_Core.hpp>
-#ifdef DDC_BUILD_PDI_WRAPPER
+#ifdef DDC_EXAMPLE_WITH_PDI
+#include <ddc/pdi.hpp>
+
 #include <paraconf.h>
 #include <pdi.h>
 #endif

examples/non_uniform_heat_equation.cpp

@@ -19,7 +19,9 @@
 #include <ddc/ddc.hpp>
 
 #include <Kokkos_Core.hpp>
-#ifdef DDC_BUILD_PDI_WRAPPER
+#ifdef DDC_EXAMPLE_WITH_PDI
+#include <ddc/pdi.hpp>
+
 #include <paraconf.h>
 #include <pdi.h>
 #endif

examples/uniform_heat_equation.cpp

@@ -13,7 +13,9 @@
 #include <ddc/ddc.hpp>
 
 #include <Kokkos_Core.hpp>
-#ifdef DDC_BUILD_PDI_WRAPPER
+#ifdef DDC_EXAMPLE_WITH_PDI
+#include <ddc/pdi.hpp>
+
 #include <paraconf.h>
 #include <pdi.h>
 #endif

include/ddc/ddc.hpp

@@ -10,6 +10,7 @@ namespace ddc {
 }
 
 // Misc
+#include "ddc/config.hpp"
 #include "ddc/detail/macros.hpp"
 #include "ddc/detail/tagged_vector.hpp"
 #include "ddc/detail/type_seq.hpp"
@@ -41,8 +42,3 @@ namespace ddc {
 #include "ddc/parallel_transform_reduce.hpp"
 #include "ddc/reducer.hpp"
 #include "ddc/transform_reduce.hpp"
-
-// PDI wrapper
-#if defined(DDC_BUILD_PDI_WRAPPER)
-#include "ddc/pdi.hpp"
-#endif

include/ddc/real_type.hpp

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include "ddc/config.hpp"
+
 namespace ddc {
 
 #ifdef DDC_BUILD_DOUBLE_PRECISION

install_test/CMakeLists.txt

@@ -14,4 +14,14 @@ message("DDC_BUILD_KERNELS_SPLINES=${DDC_BUILD_KERNELS_SPLINES}")
 message("DDC_BUILD_PDI_WRAPPER=${DDC_BUILD_PDI_WRAPPER}")
 
 add_executable(main main.cpp)
-target_link_libraries(main PRIVATE DDC::DDC DDC::PDI_Wrapper)
+target_link_libraries(main PRIVATE DDC::DDC)
+if("${DDC_BUILD_KERNELS_FFT}")
+    target_compile_definitions(main PRIVATE "DDC_TEST_WITH_KERNELS_FFT")
+endif()
+if("${DDC_BUILD_KERNELS_SPLINES}")
+    target_compile_definitions(main PRIVATE "DDC_TEST_WITH_KERNELS_SPLINES")
+endif()
+if("${DDC_BUILD_PDI_WRAPPER}")
+    target_compile_definitions(main PRIVATE "DDC_TEST_WITH_PDI_WRAPPER")
+    target_link_libraries(main PRIVATE DDC::PDI_Wrapper)
+endif()

install_test/main.cpp

@@ -4,24 +4,30 @@
 
 #include <ddc/ddc.hpp>
 
-#if defined(DDC_BUILD_KERNELS_FFT)
+#if defined(DDC_TEST_WITH_KERNELS_FFT)
 #include <ddc/kernels/fft.hpp>
 #else
 #error
 #endif
 
-#if defined(DDC_BUILD_KERNELS_SPLINES)
+#if defined(DDC_TEST_WITH_KERNELS_SPLINES)
 #include <ddc/kernels/splines.hpp>
 #else
 #error
 #endif
 
-#if defined(DDC_BUILD_PDI_WRAPPER)
+#if defined(DDC_TEST_WITH_PDI_WRAPPER)
 #include <ddc/pdi.hpp>
 #else
 #error
 #endif
 
+#if defined(DDC_BUILD_DOUBLE_PRECISION)
+static_assert(std::is_same_v<ddc::Real, double>);
+#else
+static_assert(std::is_same_v<ddc::Real, float>);
+#endif
+
 int main()
 {
     return 0;