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CMake: Enforce library versioning compatible with GNU Libtool for macOS

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This commit is contained in:
Sebastian Pipping 2022-03-07 03:04:13 +01:00
parent 27d5b8ba17
commit f00c5857f9
1 changed files with 12 additions and 0 deletions
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12
expat/CMakeLists.txt
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@ -422,6 +422,18 @@ if(NOT WIN32)
set_property(TARGET expat PROPERTY VERSION ${LIBCURRENT_MINUS_AGE}.${LIBAGE}.${LIBREVISION})
set_property(TARGET expat PROPERTY SOVERSION ${LIBCURRENT_MINUS_AGE})
set_property(TARGET expat PROPERTY NO_SONAME ${NO_SONAME})
if(APPLE)
if(NOT CMAKE_VERSION VERSION_GREATER_EQUAL 3.17)
message(FATAL_ERROR "Expat requires CMake >=3.17 on platform \"APPLE\".")
endif()
# NOTE: This intends to talk CMake into compatiblity with GNU Libtool
math(EXPR _EXPAT_MACHO_COMPATIBILITY_VERSION "${LIBCURRENT} + 1")
set(_EXPAT_MACHO_CURRENT_VERSION "${_EXPAT_MACHO_COMPATIBILITY_VERSION}.${LIBREVISION}")
set_property(TARGET expat PROPERTY MACHO_COMPATIBILITY_VERSION ${_EXPAT_MACHO_COMPATIBILITY_VERSION})
set_property(TARGET expat PROPERTY MACHO_CURRENT_VERSION ${_EXPAT_MACHO_CURRENT_VERSION})
endif()
endif()
if(WIN32 AND NOT MINGW)
# NOTE: This avoids a name collision with Expat.dll of Perl's XML::Parser::Expat