bb44d9e754
See here for background: https://bugreports.qt.io/browse/QTBUG-34748 libxcb temporarily had an abi breakage which caused crashes when qt was compiled against a non-compatible version. Building qt with -qt-xcb should have shielded us from this issue, except that incompatible headers were used when building qt's wrapper. Make sure those headers aren't picked up by qt's build. Details: qt's build adds a wrapper around the xcb libs when -qt-xcb is used. This is done to avoid having to link to a handful of different libs, which may not be api/abi stable. This build depends on include-order, so that its files are found before the real libxcb headers. Our build (for other reasons related to qt's complicated build-system) injects our prefix into CXXFLAGS. Because libxcb is found in this path, that reverses the include-order, negating the purpose of the wrapper. To fix, libxcb's includes are simply moved to a subdir. pkg-config ensures that they're still found properly when needed. To make things even more interesting, this behavior in qt's .pro files is broken: INCLUDEPATH += $$QMAKE_CFLAGS_XCB The INCLUDEPATH variable is processed by qmake which automatically prefixes each entry with "-I". The QMAKE_CFLAGS_XCB variable comes from pkg-config and already contains -I, making the path look like "-I-I/path/to/xcb/headers". To work around that, CFLAGS/CXXFLAGS are used here rather than INCLUDEPATH.
35 lines
1 KiB
Makefile
35 lines
1 KiB
Makefile
package=libxcb
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$(package)_version=1.10
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$(package)_download_path=http://xcb.freedesktop.org/dist
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$(package)_file_name=$(package)-$($(package)_version).tar.bz2
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$(package)_sha256_hash=98d9ab05b636dd088603b64229dd1ab2d2cc02ab807892e107d674f9c3f2d5b5
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$(package)_dependencies=xcb_proto libXau xproto
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define $(package)_set_vars
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$(package)_config_opts=--disable-static
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endef
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define $(package)_preprocess_cmds
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sed "s/pthread-stubs//" -i configure
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endef
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# Don't install xcb headers to the default path in order to work around a qt
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# build issue: https://bugreports.qt.io/browse/QTBUG-34748
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# When using qt's internal libxcb, it may end up finding the real headers in
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# depends staging. Use a non-default path to avoid that.
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define $(package)_config_cmds
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$($(package)_autoconf) --includedir=$(host_prefix)/include/xcb-shared
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endef
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define $(package)_build_cmds
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$(MAKE)
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endef
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define $(package)_stage_cmds
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$(MAKE) DESTDIR=$($(package)_staging_dir) install
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endef
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define $(package)_postprocess_cmds
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rm -rf share/man share/doc
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endef
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