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build: mention -march in pkg-config description

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Applications need to at least match DPDK's -march option to build
successfully due to some static inline functions in the public headers.

This might cause problems, especially in distributions, so add a note
in the pkg-config description.

Fixes: a25a650be5f0 ("build: add infrastructure for meson and ninja builds")
Cc: stable@dpdk.org

Signed-off-by: Luca Boccassi <bluca@debian.org>
Reviewed-by: Gavin Hu <gavin.hu@arm.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Luca Boccassi 2019-01-10 17:28:06 +00:00 committed by Thomas Monjalon
parent 8a9a4eaf83
commit ccee5d18a4
1 changed files with 3 additions and 1 deletions
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4
meson.build
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@ -83,7 +83,9 @@ pkg.generate(name: meson.project_name(),
libraries: dpdk_libraries,
libraries_private: dpdk_drivers + dpdk_static_libraries +
['-Wl,-Bdynamic'] + dpdk_extra_ldflags,
description: 'The Data Plane Development Kit (DPDK)',
description: '''The Data Plane Development Kit (DPDK).
Note that CFLAGS might contain an -march flag higher than typical baseline.
This is required for a number of static inline functions in the public headers.''',
subdirs: [get_option('include_subdir_arch'), '.'],
extra_cflags: ['-include', 'rte_config.h'] + machine_args
)