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meson: Check the nasm version with run_command

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Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/issues/751

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/631>
This commit is contained in:
Nirbheek Chauhan 2020-06-17 16:42:16 +05:30
parent 8b4f18d53b
commit c54aa053d1
1 changed files with 29 additions and 5 deletions
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34
meson.build
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@ -335,18 +335,42 @@ else
cdata.set('DISABLE_ORC', 1)
endif
have_nasm=false
have_nasm = false
# FIXME: nasm path needs testing on non-Linux, esp. Windows
host_cpu = host_machine.cpu_family()
if host_cpu == 'x86_64'
if cc.get_id() == 'msvc'
message('Nasm disabled on MSVC')
else
nasm = find_program('nasm', native: true, version : '>= 2.13', required: get_option('asm'))
asm_option = get_option('asm')
nasm = find_program('nasm', native: true, required: asm_option)
if nasm.found()
message('Nasm found on x86-64')
cdata.set('HAVE_NASM', 1)
have_nasm = true
# We can't use the version: kwarg for find_program because old versions
# of nasm don't support --version
ret = run_command(nasm, '-v')
if ret.returncode() == 0
nasm_version = ret.stdout().strip().split()[2]
nasm_req = '>=2.13'
if nasm_version.version_compare(nasm_req)
message('nasm found on x86-64')
cdata.set('HAVE_NASM', 1)
have_nasm = true
else
if asm_option.enabled()
error('asm option is enabled, and nasm @0@ was found, but @1@ is required'.format(nasm_version, nasm_req))
endif
message('nasm @0@ was found, but @1@ is required'.format(nasm_version, nasm_req))
endif
else
if asm_option.enabled()
error('asm option is enabled, but nasm is not usable: @0@\n@1@'.format(ret.stdout(), ret.stderr()))
endif
message('nasm was found, but it\'s not usable')
endif
# Unset nasm to not be 'found'
if not have_nasm
nasm = disabler()
endif
endif
endif
endif