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build: Restrict binary compatibility to 2.14

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On ELF systems, this bumps the soname from libxml2.so.2 to
libxml2.so.16. For historic reasons, the last component is the sum of
major and minor version.
This commit is contained in:
Nick Wellnhofer 2025-03-04 17:46:57 +01:00
parent f502e9b2f6
commit d9ea76505d
4 changed files with 9 additions and 4 deletions
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2
CMakeLists.txt
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@ -412,7 +412,7 @@ if(CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "GNU")
-Wno-long-long -Wno-format-extra-args -Wno-array-bounds") -Wno-long-long -Wno-format-extra-args -Wno-array-bounds")
endif() endif()
set(LIBXML_MINOR_COMPAT 0) set(LIBXML_MINOR_COMPAT 14)
math(EXPR LIBXML_SOVERSION "${LIBXML_MAJOR_VERSION} + ${LIBXML_MINOR_COMPAT}") math(EXPR LIBXML_SOVERSION "${LIBXML_MAJOR_VERSION} + ${LIBXML_MINOR_COMPAT}")
set_target_properties( set_target_properties(
LibXml2 LibXml2

7
NEWS
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@ -15,6 +15,9 @@ Support for RELAX NG can now be disabled with a new configuration
option independently of XML Schemas support. It is still enabled by option independently of XML Schemas support. It is still enabled by
default. default.
Binary compatibility is restricted to versions 2.14 or newer. On ELF
systems, the soname was bumped from libxml2.so.2 to libxml2.so.16.
### New features ### New features
Input callbacks can now be set on a parser context and an improved API Input callbacks can now be set on a parser context and an improved API
@ -48,11 +51,13 @@ Support for the range and point extensions of the xpointer() scheme
was removed. The rest of the XPointer implementation isn't affected. was removed. The rest of the XPointer implementation isn't affected.
The xpointer() scheme now behaves like the xpath1() scheme. The xpointer() scheme now behaves like the xpath1() scheme.
Several legacy functions were removed from the header files. Several legacy symbols and the functions in xmlunicode.h were removed.
The shell was moved from libxml2 to xmllint. Several related functions The shell was moved from libxml2 to xmllint. Several related functions
are no longer available. are no longer available.
ELF version information was removed.
### Planned removals ### Planned removals
Support for HTTP is planned to be removed in the 2.15 release. Support for HTTP is planned to be removed in the 2.15 release.

2
configure.ac
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@ -17,7 +17,7 @@ LIBXML_MICRO_VERSION=`echo $LIBXML_VERSION | cut -d . -f 3`
LIBXML_MICRO_VERSION_SUFFIX= LIBXML_MICRO_VERSION_SUFFIX=
# The oldest minor version we are compatible with. # The oldest minor version we are compatible with.
LIBXML_MINOR_COMPAT=0 LIBXML_MINOR_COMPAT=14
LIBXML_CURRENT=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION` LIBXML_CURRENT=`expr $LIBXML_MAJOR_VERSION + $LIBXML_MINOR_VERSION`
LIBXML_AGE=`expr $LIBXML_MINOR_VERSION - $LIBXML_MINOR_COMPAT` LIBXML_AGE=`expr $LIBXML_MINOR_VERSION - $LIBXML_MINOR_COMPAT`
LIBXML_VERSION_INFO=$LIBXML_CURRENT:$LIBXML_MICRO_VERSION:$LIBXML_AGE LIBXML_VERSION_INFO=$LIBXML_CURRENT:$LIBXML_MICRO_VERSION:$LIBXML_AGE

2
meson.build
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@ -481,7 +481,7 @@ foreach file : xml_opt_src
endif endif
endforeach endforeach
v_min_compat = 0 v_min_compat = 14
xml_lib = library( xml_lib = library(
'xml2', 'xml2',
files(xml_src), files(xml_src),