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meson: fix build failure on glibc >= 2.34 without standalone libanl (#2484)

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On glibc >= 2.34, getaddrinfo_a is no longer provided by a standalone
libanl shared library — it is built directly into libc.  Newer
architectures (e.g. loongarch64, riscv64) have never shipped a separate
libanl, causing the meson build to fail with:

    C++ shared or static library 'anl' not found

Signed-off-by: Pluto Yang <yangyj.ee@gmail.com>
This commit is contained in:
Yanjun Yang(Pluto)
2026-07-02 10:21:44 +08:00
committed by GitHub
parent 32ff75e355
commit 9a5321aadb
1 changed files with 6 additions and 1 deletions
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meson.build
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@@ -107,7 +107,12 @@ if host_machine.system() == 'windows'
elif host_machine.system() == 'darwin'
async_ns_dep = dependency('appleframeworks', modules: ['CFNetwork', 'CoreFoundation'], required: async_ns_opt)
else
async_ns_dep = cxx.find_library('anl', required: async_ns_opt)
has_gai_a = cxx.has_function('getaddrinfo_a', args: '-D_GNU_SOURCE')
if has_gai_a
async_ns_dep = declare_dependency()
else
async_ns_dep = cxx.find_library('anl', required: async_ns_opt)
endif
endif
if async_ns_dep.found()