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set some -Ds depending on the release type (#2682)

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* set some -Ds depending on the release type

libvips uses g_assert() quite a bit to check things like pointer bounds,
and this can have a large performance impact.

This PR turns off g_assert() (plus some other things) in release mode,
and enables leak checking (and some other things) in debug mode.

I'm not sure if this is the best way to implement this kind of thing.
Does meson have a more offical path for this?

* incorporate comments

* link asserts and cast checks to optimization level
This commit is contained in:
John Cupitt 2022-02-25 12:52:18 +00:00 committed by GitHub
parent a8b48e1442
commit 4196a0e73a
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1 changed files with 18 additions and 1 deletions
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19
meson.build
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@ -3,7 +3,9 @@ project('vips', 'c', 'cpp',
meson_version: '>=0.56',
default_options: [
# this is what glib uses (one of our required deps), so we use it too
'c_std=gnu99'
'c_std=gnu99',
# turn off asserts etc. in release mode
'b_ndebug=if-release'
]
)
@ -33,6 +35,21 @@ add_project_link_arguments(
language: 'c',
)
# if we're optimising (eg. release mode) we turn off cast checks and
# g_asserts
if get_option('optimization') in ['2', '3', 's']
add_project_arguments('-DG_DISABLE_CAST_CHECKS', language : ['cpp', 'c'])
add_project_arguments('-DG_DISABLE_CHECKS', language : ['cpp', 'c'])
add_project_arguments('-DG_DISABLE_ASSERT', language : ['cpp', 'c'])
endif
# in debug mode we automatically enable leak checks and fatal warnings
# also true for 'debugoptimized'
if get_option('debug')
add_project_arguments('-DDEBUG_FATAL', language : ['cpp', 'c'])
add_project_arguments('-DDEBUG_LEAK', language : ['cpp', 'c'])
endif
cc = meson.get_compiler('c')
cpp = meson.get_compiler('cpp')