NekoCWD/libcamera
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meson: check if secure_getenv() is present

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Not all libc make secure_getenv() available, this could lead to build
failure on certain build systems.

Check if secure_getenv() is available and emit #define
HAVE_SECURE_GETENV to config.h Include config.h to every c/c++ file
during building by adding `-include config.h` to project arguments for
both c and c++.

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Kieran: Drop unnessecary meson message
         Update commit message]
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Giulio Benetti 2019-04-26 10:42:19 +02:00 • committed by Kieran Bingham
parent a10fbfcaaa
commit 46bfc32157
1 changed files with 9 additions and 0 deletions
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9
meson.build
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@ -13,8 +13,17 @@ project('libcamera', 'c', 'cpp',
# generated from this too.
api_version = '0.1'
cc = meson.get_compiler('c')
config_h = configuration_data()
if cc.has_header_symbol('stdlib.h', 'secure_getenv', prefix: '#define _GNU_SOURCE')
config_h.set('HAVE_SECURE_GETENV', 1)
endif
configure_file(output: 'config.h', configuration: config_h)
common_arguments = [
'-Wno-unused-parameter',
'-include', 'config.h',
]
c_arguments = common_arguments