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fix(python): statically link and hide bundled HiGHS to avoid symbol clash with highspy (#5246) #5248

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fix(python): statically link and hide bundled HiGHS to avoid symbol clash with highspy (#5246) #5248

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0104ef2
fix(python): statically link and hide bundled HiGHS to avoid symbol c…
aryan5v Jul 7, 2026
d6a9428
fix(cmake): skip HiGHS copy step when bundled HiGHS is static (#5246)
aryan5v Jul 8, 2026
33efa66
fix(cmake): drop redundant is_highs_shared guard on HiGHS copy
aryan5v Jul 8, 2026
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3 changes: 3 additions & 0 deletions cmake/cpp.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -720,6 +720,9 @@ target_link_libraries(${PROJECT_NAME} PUBLIC
${PDLP_DEPS}
${SCIP_DEPS}
Threads::Threads)
if(UNIX AND NOT APPLE AND USE_HIGHS AND BUILD_HIGHS)
target_link_options(${PROJECT_NAME} PRIVATE "LINKER:--exclude-libs,libhighs.a")
endif()
if(WIN32)
target_link_libraries(${PROJECT_NAME} PUBLIC psapi.lib ws2_32.lib)
endif()
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8 changes: 8 additions & 0 deletions cmake/dependencies/CMakeLists.txt
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Expand Up @@ -321,7 +321,15 @@ if(BUILD_HIGHS)
)
set(CI OFF) # disable CI tests
set(BUILD_EXAMPLES OFF)
if(UNIX AND NOT APPLE)
set(_saved_build_shared_libs ${BUILD_SHARED_LIBS})
set(BUILD_SHARED_LIBS OFF)
endif()
FetchContent_MakeAvailable(highs)
if(UNIX AND NOT APPLE)
set(BUILD_SHARED_LIBS ${_saved_build_shared_libs})
unset(_saved_build_shared_libs)
endif()
list(POP_BACK CMAKE_MESSAGE_INDENT)
message(CHECK_PASS "fetched")
endif()
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5 changes: 3 additions & 2 deletions cmake/dotnet.cmake
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Expand Up @@ -405,8 +405,9 @@ set(need_clp_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Clp}>>")
set(need_cgl_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Cgl}>>")
set(need_cbc_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Cbc}>>")

set(need_unix_highs_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_HIGHS}>>")
set(need_windows_highs_lib "$<AND:${is_windows},$<BOOL:${BUILD_HIGHS}>>")
set(is_highs_shared "$<STREQUAL:$<TARGET_PROPERTY:highs::highs,TYPE>,SHARED_LIBRARY>")
set(need_unix_highs_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_HIGHS}>,${is_highs_shared}>")
set(need_windows_highs_lib "$<AND:${is_windows},$<BOOL:${BUILD_HIGHS}>,${is_highs_shared}>")

set(need_unix_scip_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_SCIP}>>")
set(need_windows_scip_lib "$<AND:${is_windows},$<BOOL:${BUILD_SCIP}>>")
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7 changes: 4 additions & 3 deletions cmake/java.cmake
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Expand Up @@ -325,8 +325,9 @@ set(need_unix_clp_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Clp}>>")
set(need_unix_cgl_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Cgl}>>")
set(need_unix_cbc_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Cbc}>>")

set(need_unix_highs_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_HIGHS}>>")
set(need_windows_highs_lib "$<AND:${is_windows},$<BOOL:${BUILD_HIGHS}>>")
set(is_highs_shared "$<STREQUAL:$<TARGET_PROPERTY:highs::highs,TYPE>,SHARED_LIBRARY>")
set(need_unix_highs_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_HIGHS}>,${is_highs_shared}>")
set(need_windows_highs_lib "$<AND:${is_windows},$<BOOL:${BUILD_HIGHS}>,${is_highs_shared}>")

set(need_unix_scip_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_SCIP}>>")
set(need_windows_scip_lib "$<AND:${is_windows},$<BOOL:${BUILD_SCIP}>>")
Expand Down Expand Up @@ -477,7 +478,7 @@ add_custom_command(
${JAVA_RESSOURCES_PATH}/${JAVA_NATIVE_PROJECT}/

COMMAND ${CMAKE_COMMAND} -E
$<IF:$<BOOL:${BUILD_HIGHS}>,copy,true>
$<IF:$<OR:${need_unix_highs_lib},${need_windows_highs_lib}>,copy,true>
$<${need_unix_highs_lib}:$<TARGET_SONAME_FILE:highs::highs>>
$<${need_windows_highs_lib}:$<TARGET_FILE:highs::highs>>
${JAVA_RESSOURCES_PATH}/${JAVA_NATIVE_PROJECT}/
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7 changes: 4 additions & 3 deletions cmake/python.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -483,8 +483,9 @@ set(need_unix_clp_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Clp}>>")
set(need_unix_cgl_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Cgl}>>")
set(need_unix_cbc_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_Cbc}>>")

set(need_unix_highs_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_HIGHS}>>")
set(need_windows_highs_lib "$<AND:${is_windows},$<BOOL:${BUILD_HIGHS}>>")
set(is_highs_shared "$<STREQUAL:$<TARGET_PROPERTY:highs::highs,TYPE>,SHARED_LIBRARY>")
set(need_unix_highs_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_HIGHS}>,${is_highs_shared}>")
set(need_windows_highs_lib "$<AND:${is_windows},$<BOOL:${BUILD_HIGHS}>,${is_highs_shared}>")

set(need_unix_scip_lib "$<AND:${is_not_windows},$<BOOL:${BUILD_SCIP}>>")
set(need_windows_scip_lib "$<AND:${is_windows},$<BOOL:${BUILD_SCIP}>>")
Expand Down Expand Up @@ -638,7 +639,7 @@ add_custom_command(
${PYTHON_PROJECT}/.libs

COMMAND ${CMAKE_COMMAND} -E
$<IF:$<BOOL:${BUILD_HIGHS}>,copy,true>
$<IF:$<OR:${need_unix_highs_lib},${need_windows_highs_lib}>,copy,true>
$<${need_unix_highs_lib}:$<TARGET_SONAME_FILE:highs::highs>>
$<${need_windows_highs_lib}:$<TARGET_FILE:highs::highs>>
${PYTHON_PROJECT}/.libs
Expand Down
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