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Pass through absolute paths to cmake config directly 

The previous code concatenates includedir to _harfbuzz_prefix verbatim,
which results in a wrong final include path in case includedir is an absolute
path. Instead, we can let meson determine the absolute include and lib paths
in advance and save them in the cmake config.

This is an issue in nixpkgs, where includedir is set to the final (absolute)
path of the built library in the Nix store, which causes CMake projects
depending on harfbuzz to not configure.

See https://github.com/NixOS/nixpkgs/issues/180054.
This commit is contained in:
Marco Rebhan 2022-10-26 20:49:52 +02:00
parent 83769b9cb1
commit db292f6f02
No known key found for this signature in database
GPG Key ID: C8D0FBE381A29D36
2 changed files with 10 additions and 38 deletions
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44
src/harfbuzz-config.cmake.in
View File

@ -1,29 +1,5 @@
# Set these variables so that the `${prefix}/lib` expands to something we can
# remove.
set(_harfbuzz_remove_string "REMOVE_ME")
set(exec_prefix "${_harfbuzz_remove_string}")
set(prefix "${_harfbuzz_remove_string}")
# Compute the installation prefix by stripping components from our current
# location.
get_filename_component(_harfbuzz_prefix "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
get_filename_component(_harfbuzz_prefix "${_harfbuzz_prefix}" DIRECTORY)
set(_harfbuzz_libdir "@libdir@")
string(REPLACE "${_harfbuzz_remove_string}/" "" _harfbuzz_libdir "${_harfbuzz_libdir}")
set(_harfbuzz_libdir_iter "${_harfbuzz_libdir}")
while (_harfbuzz_libdir_iter)
set(_harfbuzz_libdir_prev_iter "${_harfbuzz_libdir_iter}")
get_filename_component(_harfbuzz_libdir_iter "${_harfbuzz_libdir_iter}" DIRECTORY)
if (_harfbuzz_libdir_prev_iter STREQUAL _harfbuzz_libdir_iter)
break()
endif ()
get_filename_component(_harfbuzz_prefix "${_harfbuzz_prefix}" DIRECTORY)
endwhile ()
unset(_harfbuzz_libdir_iter)
# Get the include subdir.
set(_harfbuzz_includedir "@includedir@")
string(REPLACE "${_harfbuzz_remove_string}/" "" _harfbuzz_includedir "${_harfbuzz_includedir}")
# Extract version information from libtool.
set(_harfbuzz_version_info "@HB_LIBTOOL_VERSION_INFO@")
@ -48,29 +24,29 @@ endif ()
# Add the libraries.
add_library(harfbuzz::harfbuzz SHARED IMPORTED)
set_target_properties(harfbuzz::harfbuzz PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz${_harfbuzz_lib_suffix}")
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
IMPORTED_LOCATION "${_harfbuzz_libdir}/libharfbuzz${_harfbuzz_lib_suffix}")
add_library(harfbuzz::icu SHARED IMPORTED)
set_target_properties(harfbuzz::icu PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-icu${_harfbuzz_lib_suffix}")
IMPORTED_LOCATION "${_harfbuzz_libdir}/libharfbuzz-icu${_harfbuzz_lib_suffix}")
add_library(harfbuzz::subset SHARED IMPORTED)
set_target_properties(harfbuzz::subset PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-subset${_harfbuzz_lib_suffix}")
IMPORTED_LOCATION "${_harfbuzz_libdir}/libharfbuzz-subset${_harfbuzz_lib_suffix}")
# Only add the gobject library if it was built.
set(_harfbuzz_have_gobject "@have_gobject@")
if (_harfbuzz_have_gobject)
add_library(harfbuzz::gobject SHARED IMPORTED)
set_target_properties(harfbuzz::gobject PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-gobject${_harfbuzz_lib_suffix}")
IMPORTED_LOCATION "${_harfbuzz_libdir}/libharfbuzz-gobject${_harfbuzz_lib_suffix}")
endif ()
# Clean out variables we used in our scope.
@ -80,7 +56,3 @@ unset(_harfbuzz_revision)
unset(_harfbuzz_age)
unset(_harfbuzz_includedir)
unset(_harfbuzz_libdir)
unset(_harfbuzz_prefix)
unset(exec_prefix)
unset(prefix)
unset(_harfbuzz_remove_string)

4
src/meson.build
View File

@ -657,8 +657,8 @@ endif
have_gobject = conf.get('HAVE_GOBJECT', 0) == 1
cmake_config = configuration_data()
cmake_config.set('libdir', '${prefix}/@0@'.format(get_option('libdir')))
cmake_config.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))
cmake_config.set('libdir', get_option('prefix') / get_option('libdir'))
cmake_config.set('includedir', get_option('prefix') / get_option('includedir'))
cmake_config.set('HB_LIBTOOL_VERSION_INFO', hb_libtool_version_info)
cmake_config.set('have_gobject', '@0@'.format(have_gobject))
configure_file(input: 'harfbuzz-config.cmake.in',