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Merge branch 'fix-atomic' into next

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This commit is contained in:
Carles Fernandez
2026-05-04 07:54:11 +02:00
parent bded0ec61c 94089a387f
commit 970150c7ab
1 changed files with 70 additions and 3 deletions
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CMakeLists.txt
+70 -3
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@@ -2493,11 +2493,78 @@ if((NOT Protobuf_FOUND) OR (NOT Protobuf_PROTOC_EXECUTABLE) OR (${Protobuf_VERSI
add_library(protobuf::libprotobuf STATIC IMPORTED)
add_dependencies(protobuf::libprotobuf protobuf-${GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION})
endif()
# Fix missing libatomic when linking static protobuf on platforms where
# 64-bit atomic builtins are not provided directly by the compiler runtime.
set(GNSSSDR_PROTOBUF_LIBATOMIC "")
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR
(CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
include(CheckCXXSourceCompiles)
set(GNSSSDR_ATOMIC_TEST_SOURCE
"#include <stdint.h>
int main()
{
uint64_t value = 0;
__atomic_fetch_add(&value, 1, __ATOMIC_SEQ_CST);
return (int)value;
}
")
set(_GNSSSDR_CMAKE_REQUIRED_LIBRARIES_SAVED
"${CMAKE_REQUIRED_LIBRARIES}"
)
set(CMAKE_REQUIRED_LIBRARIES "")
check_cxx_source_compiles(
"${GNSSSDR_ATOMIC_TEST_SOURCE}"
GNSSSDR_64BIT_ATOMICS_WITHOUT_LIBATOMIC
)
if(NOT GNSSSDR_64BIT_ATOMICS_WITHOUT_LIBATOMIC)
set(CMAKE_REQUIRED_LIBRARIES atomic)
check_cxx_source_compiles(
"${GNSSSDR_ATOMIC_TEST_SOURCE}"
GNSSSDR_64BIT_ATOMICS_WITH_LIBATOMIC
)
if(GNSSSDR_64BIT_ATOMICS_WITH_LIBATOMIC)
set(GNSSSDR_PROTOBUF_LIBATOMIC atomic)
else()
set(CMAKE_REQUIRED_LIBRARIES
"${_GNSSSDR_CMAKE_REQUIRED_LIBRARIES_SAVED}"
)
unset(_GNSSSDR_CMAKE_REQUIRED_LIBRARIES_SAVED)
unset(GNSSSDR_ATOMIC_TEST_SOURCE)
message(FATAL_ERROR
"64-bit atomic operations require libatomic, "
"but linking with -latomic failed."
)
endif()
endif()
set(CMAKE_REQUIRED_LIBRARIES
"${_GNSSSDR_CMAKE_REQUIRED_LIBRARIES_SAVED}"
)
unset(_GNSSSDR_CMAKE_REQUIRED_LIBRARIES_SAVED)
unset(GNSSSDR_ATOMIC_TEST_SOURCE)
endif()
set(GNSSSDR_PROTOBUF_STATIC_LIBRARY
"${GNSSSDR_BINARY_DIR}/protobuf-${GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}protobuf${CMAKE_STATIC_LIBRARY_SUFFIX}"
)
set(GNSSSDR_PROTOBUF_INTERFACE_LINK_LIBRARIES
"${GNSSSDR_PROTOBUF_STATIC_LIBRARY}"
)
if(GNSSSDR_PROTOBUF_LIBATOMIC)
message(STATUS
"Linking bundled static Protocol Buffers with libatomic"
)
list(APPEND GNSSSDR_PROTOBUF_INTERFACE_LINK_LIBRARIES
"${GNSSSDR_PROTOBUF_LIBATOMIC}"
)
endif()
set_target_properties(protobuf::libprotobuf PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
IMPORTED_LOCATION "${GNSSSDR_BINARY_DIR}/protobuf-${GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}protobuf${CMAKE_STATIC_LIBRARY_SUFFIX}"
INTERFACE_INCLUDE_DIRECTORIES "${GNSSSDR_BINARY_DIR}/protobuf-${GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION}/include"
INTERFACE_LINK_LIBRARIES "${GNSSSDR_BINARY_DIR}/protobuf-${GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION}/lib/${CMAKE_FIND_LIBRARY_PREFIXES}protobuf${CMAKE_STATIC_LIBRARY_SUFFIX}"
IMPORTED_LOCATION "${GNSSSDR_PROTOBUF_STATIC_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES
"${GNSSSDR_BINARY_DIR}/protobuf-${GNSSSDR_PROTOCOLBUFFERS_LOCAL_VERSION}/include"
INTERFACE_LINK_LIBRARIES
"${GNSSSDR_PROTOBUF_INTERFACE_LINK_LIBRARIES}"
)
if(CMAKE_VERSION VERSION_LESS "3.10")
set(Protobuf_PROTOC_EXECUTABLE ${PROTOBUF_PROTOC_EXECUTABLE})