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14 commits

Author SHA1 Message Date
Jia Tan
ba3e4ba2de CMake: Clarify a comment about Windows symlinks without file extension. 2022-09-08 15:07:00 +03:00
Lasse Collin
17485e884c CMake: Update for liblzma_*.map files and fix wrong common_w32res.rc dep.
The previous commit split liblzma.map into liblzma_linux.map and
liblzma_generic.map. This commit updates the CMake build for those.

common_w32res.rc dependency was listed under Linux/FreeBSD while
obviously it belongs to Windows when building a DLL.
2022-09-08 15:02:41 +03:00
Lasse Collin
80a1a8bb83 CMake: Add xz symlinks.
These are a minor thing especially since the xz build has
some real problems still like lack of large file support
on 32-bit systems but I'll commit this since the code exists.

Thanks to Jia Tan.
2022-08-31 16:42:04 +03:00
Lasse Collin
a4193bb6d8 CMake: Put xz man page install under if(UNIX) like is for xzdec.
Thanks to Jia Tan.
2022-08-31 16:29:38 +03:00
Lasse Collin
df23c31000 CMake: Add liblzma tests.
Thanks to Jia Tan for the patch.
2022-08-22 16:46:18 +03:00
Nicholas Jackson
340cf1ec39 CMake: Add missing source file to liblzma build 2022-07-19 23:21:44 +03:00
huangqinjin
2bd36c91d0 CMake: Keep compatible with Windows 95 for 32-bit build. 2022-02-06 22:49:39 +02:00
Lasse Collin
e7da44d515 CMake: Use interface library for better FindLibLZMA compatibility.
https://www.mail-archive.com/xz-devel@tukaani.org/msg00446.html

Thanks to Markus Rickert.
2021-02-13 23:31:27 +02:00
Lasse Collin
a61dd82ada CMake: Try to improve compatibility with the FindLibLZMA module.
The naming conflict with FindLibLZMA module gets worse.
Not avoiding it in the first place was stupid.

Normally find_package(LibLZMA) will use the module and
find_package(liblzma 5.2.5 REQUIRED CONFIG) will use the config
file even with a case insensitive file system. However, if
CMAKE_FIND_PACKAGE_PREFER_CONFIG is TRUE and the file system
is case insensitive, find_package(LibLZMA) will find our liblzma
config file instead of using FindLibLZMA module.

One big problem with this is that FindLibLZMA uses
LibLZMA::LibLZMA and we use liblzma::liblzma as the target
name. With target names CMake happens to be case sensitive.
To workaround this, this commit adds

    add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma)

to the config file. Then both spellings work.

To make the behavior consistent between case sensitive and
insensitive file systems, the config and related files are
renamed from liblzmaConfig.cmake to liblzma-config.cmake style.
With this style CMake looks for lowercase version of the package
name so find_package(LiBLzmA 5.2.5 REQUIRED CONFIG) will work
to find our config file.

There are other differences between our config file and
FindLibLZMA so it's still possible that things break for
reasons other than the spelling of the target name. Hopefully
those situations aren't too common.

When the config file is available, it should always give as good or
better results as FindLibLZMA so this commit doesn't affect the
recommendation to use find_package(liblzma 5.2.5 REQUIRED CONFIG)
which explicitly avoids FindLibLZMA.

Thanks to Markus Rickert.
2021-01-30 18:36:04 +02:00
Lasse Collin
21588ca34a Build: Don't build bundles on Apple OSes.
Thanks to Daniel Packard.
2020-12-16 18:30:14 +02:00
Lasse Collin
2f108abb3d CMake: Fix compatibility with CMake 3.13.
The syntax "if(DEFINED CACHE{FOO})" requires CMake 3.14.
In some other places the code treats the cache variables
like normal variables already (${FOO} or if(FOO) is used,
not ${CACHE{FOO}).

Thanks to ygrek for reporting the bug on IRC.
2020-11-17 21:09:39 +02:00
Lasse Collin
265daa873c Build: Make CMake build fail if tuklib_cpucores or tuklib_physmem fails. 2020-02-27 20:58:52 +02:00
Lasse Collin
474320e990 Build: Fix bugs in the CMake files.
Seems that the phrase "add more quotes" from sh/bash scripting
applies to CMake as well. E.g. passing an unquoted list ${FOO}
to a function that expects one argument results in only the
first element of the list being passed as an argument and
the rest get ignored. Adding quotes helps ("${FOO}").

list(INSERT ...) is weird. Inserting an empty string to an empty
variable results in empty list, but inserting it to a non-empty
variable does insert an empty element to the list.

Since INSERT requires at least one element,
"${CMAKE_THREAD_LIBS_INIT}" needs to be quoted in CMakeLists.txt.
It might result in an empty element in the list. It seems to not
matter as empty elements consistently get ignored in that variable.
In fact, calling cmake_check_push_state() and cmake_check_pop_state()
will strip the empty elements from CMAKE_REQUIRED_LIBRARIES!

In addition to quoting fixes, this fixes checks for the cache
variables in tuklib_cpucores.cmake and tuklib_physmem.cmake.

Thanks to Martin Matuška for testing and reporting the problems.
These fixes aren't tested yet but hopefully they soon will be.
2020-02-25 20:44:10 +02:00
Lasse Collin
7e3493d40e Build: Add very limited experimental CMake support.
This does *NOT* replace the Autotools-based build system in
the foreseeable future. See the comment in the beginning
of CMakeLists.txt.

So far this has been tested only on GNU/Linux but I commit
it anyway to make it easier for others to test. Since I
haven't played much with CMake before, it's likely that
there are things that have been done in a silly or wrong
way and need to be fixed.
2020-02-25 00:00:32 +02:00