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build: Refactor R runtime detection in CMake to ensure required parameters are set

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This commit is contained in:
Max Lübke 2024-11-07 19:49:19 +00:00
parent 66098aab40
commit 287eda880a
1 changed files with 21 additions and 25 deletions
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46
CMake/FindRRuntime.cmake
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@ -1,28 +1,27 @@
# prepare R environment (Rcpp + RInside)
find_program(R_EXE "R")
find_program(R_EXE "R"
REQUIRED
)
# search for R executable, R header file and library path
if(R_EXE)
execute_process(
COMMAND ${R_EXE} RHOME
OUTPUT_VARIABLE R_ROOT_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
execute_process(
COMMAND ${R_EXE} RHOME
OUTPUT_VARIABLE R_ROOT_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
find_path(
R_INCLUDE_DIR R.h
HINTS ${R_ROOT_DIR}
PATHS /usr/include /usr/local/include /usr/share
PATH_SUFFIXES include/R R/include
)
find_path(
R_INCLUDE_DIR R.h
HINTS /usr/include /usr/local/include /usr/share ${R_ROOT_DIR}/include
PATH_SUFFIXES R/include R
REQUIRED
)
find_library(
R_LIBRARY libR.so
HINTS ${R_ROOT_DIR}/lib
)
else()
message(FATAL_ERROR "No R runtime found!")
endif()
find_library(
R_LIBRARY libR.so
HINTS ${R_ROOT_DIR}/lib
REQUIRED
)
set(R_LIBRARIES ${R_LIBRARY})
set(R_INCLUDE_DIRS ${R_INCLUDE_DIR})
@ -71,11 +70,8 @@ list(APPEND R_INCLUDE_DIRS ${R_RInside_INCLUDE_DIR})
# putting all together into interface library
add_library(RRuntime INTERFACE IMPORTED)
set_target_properties(
RRuntime PROPERTIES
INTERFACE_LINK_LIBRARIES "${R_LIBRARIES}"
INTERFACE_INCLUDE_DIRECTORIES "${R_INCLUDE_DIRS}"
)
target_link_libraries(RRuntime INTERFACE ${R_LIBRARIES})
target_include_directories(RRuntime INTERFACE ${R_INCLUDE_DIRS})
unset(R_LIBRARIES)
unset(R_INCLUDE_DIRS)