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meson: Disable LTO for tests 

`-flto=auto` together with `-Wl,-wrap` causes link errors at least in
certain compilers (e.g. GCC 10.2.0). Since this is reoccurring issue
(internet search shows similar problems with GCC 4.6 a decade ago) let's
disable LTO for tests even if it's disabled elsewhere.

Fixes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1116
Signed-off-by: Povilas Kanapickas <povilas@radix.lt>
This commit is contained in:
Povilas Kanapickas 2021-04-07 22:16:43 +03:00
parent 68c2cfadd6
commit d231ce2d9c
1 changed files with 4 additions and 1 deletions
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5
test/meson.build
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@ -144,7 +144,10 @@ if build_xorg
unit_defines += ['-DRES_TESTS'] unit_defines += ['-DRES_TESTS']
endif endif
unit_c_args = unit_defines
if meson.get_compiler('c').has_link_argument('-Wl,-wrap') if meson.get_compiler('c').has_link_argument('-Wl,-wrap')
# LTO breaks with -Wl,-wrap on certain configurations
unit_c_args += ['-fno-lto']
unit_sources += [ unit_sources += [
'xi1/protocol-xchangedevicecontrol.c', 'xi1/protocol-xchangedevicecontrol.c',
'xi2/protocol-common.c', 'xi2/protocol-common.c',
@ -178,7 +181,7 @@ if build_xorg
unit = executable('tests', unit = executable('tests',
unit_sources, unit_sources,
c_args: unit_defines, c_args: unit_c_args,
dependencies: [pixman_dep, randrproto_dep, inputproto_dep], dependencies: [pixman_dep, randrproto_dep, inputproto_dep],
include_directories: unit_includes, include_directories: unit_includes,
link_args: ldwraps, link_args: ldwraps,