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cmake: add PETSc imported targets #484

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Merged
andrea-iob merged 1 commit into from
Jun 4, 2025
Merged

cmake: add PETSc imported targets #484

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3 changes: 1 addition & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -116,8 +116,7 @@ function(configureBitpitTargetDependencies TARGET_NAME DEPENDENCIES_SCOPE)
endif()

if (PETSC_FOUND)
target_link_libraries(${TARGET_NAME} ${DEPENDENCIES_SCOPE} ${PETSC_LIBRARIES})
target_include_directories(${TARGET_NAME} ${DEPENDENCIES_SCOPE} ${PETSC_INCLUDES})
target_link_libraries(${TARGET_NAME} ${DEPENDENCIES_SCOPE} PETSc::PETSc)
endif()
unset(_PETSc_index)

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56 changes: 56 additions & 0 deletions external/PETSc/cmake/FindPETSc.cmake
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Expand Up @@ -444,3 +444,59 @@ find_package_handle_standard_args (PETSc
REQUIRED_VARS PETSC_INCLUDES PETSC_LIBRARIES PETSC_EXECUTABLE_RUNS
VERSION_VAR PETSC_VERSION
FAIL_MESSAGE "PETSc could not be found. Be sure to set PETSC_DIR and PETSC_ARCH.")

#-----------------------------------------------------------------------------
# Create imported target
#-----------------------------------------------------------------------------
if (NOT TARGET PETSc::PETSc)
set(PETSC_LIBRARY_TARGETS "")
foreach(LIBRARY_PATH ${PETSC_LIBRARIES})
get_filename_component(LIBRARY_FILENAME "${LIBRARY_PATH}" NAME)
get_filename_component(LIBRARY_EXTENSION "${LIBRARY_PATH}" LAST_EXT)

string(REGEX REPLACE "\\.[^.]*$" "" LIBRARY_TARGET "${LIBRARY_FILENAME}")
string(REGEX REPLACE "^lib" "" LIBRARY_TARGET "${LIBRARY_TARGET}")
set(LIBRARY_TARGET "PETSc::${LIBRARY_TARGET}_library")

if (LIBRARY_EXTENSION STREQUAL ".a")
set(TARGET_TYPE "STATIC")
set(TARGET_IMPORTED_LOCATION "${LIBRARY_PATH}")
elseif (LIBRARY_EXTENSION STREQUAL ".lib")
get_filename_component(LIBRARY_BASENAME "${LIBRARY_FILENAME}" NAME_WE)
get_filename_component(LIBRARY_DIRECTORY "${LIBRARY_PATH}" DIRECTORY)
set(LIBRARY_DLL_SEARCH_PATHS
"${LIBRARY_DIRECTORY}"
"${LIBRARY_DIRECTORY}/../bin"
)

set(TARGET_TYPE "STATIC")
set(TARGET_IMPORTED_LOCATION "${LIBRARY_PATH}")
foreach(LIBRARY_DLL_SEARCH_PATH IN LISTS LIBRARY_DLL_SEARCH_PATHS)
set(CANDIDATE_LIBRARY_DLL_PATH "${LIBRARY_DLL_SEARCH_PATH}/${LIBRARY_BASENAME}.dll")
if(EXISTS "${CANDIDATE_LIBRARY_DLL_PATH}")
set(TARGET_TYPE "SHARED")
set(TARGET_IMPORTED_LOCATION "${CANDIDATE_LIBRARY_DLL_PATH}")
break()
endif()
endforeach()
elseif (LIBRARY_EXTENSION STREQUAL ".so")
set(TARGET_TYPE "SHARED")
set(TARGET_IMPORTED_LOCATION "${LIBRARY_PATH}")
elseif (LIBRARY_EXTENSION STREQUAL ".dll")
set(TARGET_TYPE "SHARED")
set(TARGET_IMPORTED_LOCATION "${LIBRARY_PATH}")
endif()

add_library(${LIBRARY_TARGET} ${TARGET_TYPE} IMPORTED)
set_target_properties(${LIBRARY_TARGET} PROPERTIES IMPORTED_LOCATION ${TARGET_IMPORTED_LOCATION})
if (WIN32 AND TARGET_TYPE STREQUAL "SHARED")
set_target_properties(${LIBRARY_TARGET} PROPERTIES IMPORTED_IMPLIB "${LIBRARY_PATH}")
endif()
set_target_properties(${LIBRARY_TARGET} PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${PETSC_INCLUDES}")
target_compile_definitions(${LIBRARY_TARGET} INTERFACE ${PETSC_DEFINITIONS})
list(APPEND PETSC_LIBRARY_TARGETS ${LIBRARY_TARGET})
endforeach()

add_library(PETSc::PETSc INTERFACE IMPORTED)
set_target_properties(PETSc::PETSc PROPERTIES INTERFACE_LINK_LIBRARIES "${PETSC_LIBRARY_TARGETS}")
endif()