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#Meson needs to learn that Linux is not an operating system unto itself.
No really, like 95% checks for host_machine.system() == 'linux' are wrong, unless you really care about *kernel* specifics like Linux kernel modules. Typically what you want to check is:
- is my compiler GCC / Clang? (use the Meson compiler object for that!)
- is my libc (a recent enough) glibc?
- does this system use a "freedesktop" GUI stack?
- etc etc
![have_ld_preload = ['linux', 'freebsd', 'darwin', 'dragonfly'].contains(host_machine.system())
(from cairo/meson.build)
because surely glibc's ld.so checks which kernel it's running on, and only enables LD_PRELOAD if running on Linux, right?](https://cdn.masto.host/floss/media_attachments/files/110/712/615/648/681/863/original/b312c6dd31e3361a.png "have_ld_preload = ['linux', 'freebsd', 'darwin', 'dragonfly'].contains(host_machine.system())
(from cairo/meson.build)
because surely glibc's ld.so checks which kernel it's running on, and only enables LD_PRELOAD if running on Linux, right?")
![# Linker flags
if host_machine.system() == 'linux'
common_ldflags += cc.get_supported_link_arguments([ '-Wl,-Bsymbolic', '-Wl,-z,relro', '-Wl,-z,now', ])
endif
(from pango/meson.build)
Because surely only Linux builds deserve security features like relro!](https://cdn.masto.host/floss/media_attachments/files/110/712/627/017/752/263/original/419a9eb4375a003a.png "# Linker flags
if host_machine.system() == 'linux'
common_ldflags += cc.get_supported_link_arguments([ '-Wl,-Bsymbolic', '-Wl,-z,relro', '-Wl,-z,now', ])
endif
(from pango/meson.build)
Because surely only Linux builds deserve security features like relro!")