Commit Graph

42 Commits

Author SHA1 Message Date
Bruce Richardson
3eb485c644 build: fix Windows build
While most windows apps can handle both "\" and "/" as path separators,
"more" is treating the "/" as the start of a command-line flag in this
case, causing errors.

Fixes: cba806e07d ("build: change ABI versioning to global")

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Ranjit Menon <ranjit.menon@intel.com>
Tested-by: Pallavi Kadam <pallavi.kadam@intel.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
2019-11-25 15:07:02 +01:00
Marcin Baran
cba806e07d build: change ABI versioning to global
As per new ABI policy [1], all of the libraries are now versioned using
one global ABI version. Stable libraries use the MAJOR.MINOR ABI
version for their shared objects, while experimental libraries
use the 0.MAJORMINOR convention for their versioning.
Experimental library versioning is managed globally. Changes in this
patch implement the necessary steps to enable that.

The CONFIG_RTE_MAJOR_ABI option was introduced to permit multiple
DPDK versions installed side by side. The problem is now addressed
through the new ABI policy, and thus can be removed.

[David] For external libraries relying on Makefile, LIBABIVER is
preserved to avoid using DPDK global ABI version.

[1] https://doc.dpdk.org/guides/contributing/abi_policy.html

Signed-off-by: Marcin Baran <marcinx.baran@intel.com>
Signed-off-by: Pawel Modrak <pawelx.modrak@intel.com>
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
2019-11-20 23:05:39 +01:00
Andrzej Ostruszka
098cc0fea3 build: add option to enable LTO
This patch adds an option to enable link time optimization.  In addition
to LTO option itself (-flto) fat-lto-objects are being used.  This is
because during the build pmdinfogen scans the generated ELF objects to
find this_pmd_name* symbol in symbol table.  Without fat-lto-objects gcc
produces ELF only with extra symbols for internal use during linking.

Signed-off-by: Andrzej Ostruszka <aostruszka@marvell.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2019-11-08 15:17:05 +01:00
Bruce Richardson
268fa581b1 port: fix pcap support with meson
The meson build was missing the define to enable pcap port support if
libpcap (development) package was found on the build platform. Rather than
duplicating the checks for libpcap found in the pcap net PMD build file, we
can move the checks to the top-level config directory and reference the
RTE_PCAP_PORT setting elsewhere in the build.

Bugzilla ID: 351
Fixes: 5b9656b157 ("lib: build with meson")
Cc: stable@dpdk.org

Reported-by: Cristian Bidea <cristian.bidea@keysight.com>
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Tested-by: Cristian Bidea <cristian.bidea@keysight.com>
2019-10-27 17:23:02 +01:00
David Marchand
8e35792c53 eal: remove dead code on NUMA node detection
RTE_EAL_ALLOW_INV_SOCKET_ID had been introduced and documented as used
with xen dom0 support (dropped for some time now).

Closely looking at this, the code was changed later and ensures that the
socket id is in the [0..RTE_MAX_NUMA_NODES] range anyway.

Let's drop this dead code and the build option with it.

Fixes: 94ef296414 ("eal/linux: fix numa node detection")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
2019-10-24 14:15:28 +02:00
Bruce Richardson
524a0d5d66 build: enable extra warnings with meson
While meson always adds -Wall flag to C compiles, the make build adds extra
warning flags that are not present in the meson build. This addresses that
shortcoming by adding additional warning flags to our builds. The one
omission is the -Wcast-align flag, which though present in make gcc builds,
gives a lot of warnings/errors when used with clang.

The removed warning "-Wunused-parameter" is covered by the "-Wextra"
parameter so is unnecessary.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-10-24 01:03:30 +02:00
Christian Ehrhardt
31b798a6f0 build: avoid overlinking
A while ago telemetry was added in 57ae0ec6 and it also added as-needed
to config/meson.build. This seems no more needed these days as due to other
build changes the ordering in buildlogs is:
  [...] -lrte_telemetry [...] -Wl,--no-as-needed [...]
Which means telemetry no more benefits from --no-as-needed anyway.

Overlinking problems get triggered by the meson generated pkgconfig which
will have:
   [...] -Wl,--no-as-needed <somelibsusedbydpdk>
This will overlink <somelibs> and in addition anything that follows
as it also doesn't wrap back to --as-needed. So if a projects includes
dpdk libs + <other> it will also consider <other> with --no-as-needed.

Ubuntu bug: https://bugs.launchpad.net/ubuntu/+source/dpdk/+bug/1841759
Fixes: 57ae0ec626 ("build: add dependency on telemetry to apps with meson")
Cc: stable@dpdk.org

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-10-12 14:45:54 +02:00
Marcin Smoczynski
28188cee2a build: enable BSD features visibility for FreeBSD
When a component uses either XOPEN_SOURCE or POSIX_C_SOURCE macro
explicitly in its build recipe, it restricts visibility of a non POSIX
features subset, such as IANA protocol numbers (IPPROTO_* macros).
Non standard features are enabled by default for DPDK both for Linux
thanks to _GNU_SOURCE and for FreeBSD thanks to __BSD_VISIBLE. However
using XOPEN_SOURCE or POSIX_(C_)SOURCE in a component causes
__BSD_VISIBLE to be defined to 0 for FreeBSD, causing different feature
sets visibility for Linux and FreeBSD. It restricts from using IPPROTO
macros in public headers, such as rte_ip.h, despite the fact they are
already widely used in sources.

Add __BSD_VISIBLE macro specified unconditionally for FreeBSD targets
which enforces feature sets visibility unification between Linux and
FreeBSD.

Add single -D_GNU_SOURCE to config/meson.build as a project argument
instead of adding separate directive for each project subtree.

This patch solves the problem of build breaks for [1] on FreeBSD [2]
following the discussion [3].

[1] https://mails.dpdk.org/archives/dev/2019-May/131885.html
[2] http://mails.dpdk.org/archives/test-report/2019-May/082263.html
[3] https://mails.dpdk.org/archives/dev/2019-May/132110.html

Signed-off-by: Marcin Smoczynski <marcinx.smoczynski@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
2019-06-26 16:50:33 +02:00
Bruce Richardson
982e43658c build: warn on unused parameter
To improve code quality we want to turn on as many warnings as we can in
the DPDK code, so turn on the "unused-parameter" warning in meson builds to
match that of the make builds. To ensure correct compilation, disable the
warning selectively for driver base code that otherwise would have issues.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-06-04 00:22:50 +02:00
Bruce Richardson
12784d9b6e build: add libbsd to pkg-config file if enabled
If libbsd is enabled in DPDK, the strlcpy and strlcat functions in
rte_string_fns.h redirect to the varients in libbsd, only using the
fallbacks if it is not enabled. Therefore, if libbsd is enabled, it needs
to be called out as a DPDK dependency in the pkgconfig file.

To ensure that we don't have undefined variables on non-Linux platforms, we
can remove the linux condition around the libbsd check - no harm comes in
looking for it on other OS, since it's an optional dependency.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-05-02 23:07:14 +02:00
Bruce Richardson
e09848337c build: fix ninja install on FreeBSD
The post-install script to symlink the PMDs from their own PMD directory to
the regular lib directory (so they would be found by ld at runtime) was
using the "-r" flag to ln to create relative symlinks. This flag is
unsupported by ln on FreeBSD causing the ninja install step to fail.

Reworking the script to take the relative driver path as parameter removes
the need for ln to calculate the relative path ensuring compatibility with
FreeBSD.

As part of the fix, we move the registration of the install script to the
config/meson.build file, from the top level one. This improves readability
as the script takes as parameters the variables set in that file.

Fixes: ed4d43d73e ("build: symlink drivers to library directory")
Cc: stable@dpdk.org

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-05-02 23:07:04 +02:00
Bruce Richardson
adf93ca564 build: increase readability via shortcut variables
Define variables for "is_linux", "is_freebsd" and "is_windows"
to make the code shorter for comparisons and more readable.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-04-17 18:09:52 +02:00
Bruce Richardson
b458c2927a build: simplify subdirectory detection for EAL
Within EAL we had a series of if statements for selecting the EAL directory
to use. Now that the directory names match those of the OS's they are for
we can instead just use a generated subdirectory name, shortening the code.
To avoid strange errors, we still need to check for unsupported OS's, but
do this check up-front in the config meson.build file.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-04-17 18:09:51 +02:00
Anand Rawat
98edcbb5ab eal/windows: introduce Windows support
Added initial stub source files and required meson changes
for Windows support.

kernel/windows/meson is a stub file added to support
Windows specific source in future releases.

Signed-off-by: Pallavi Kadam <pallavi.kadam@intel.com>
Signed-off-by: Anand Rawat <anand.rawat@intel.com>
Reviewed-by: Jeff Shaw <jeffrey.b.shaw@intel.com>
Reviewed-by: Ranjit Menon <ranjit.menon@intel.com>
Acked-by: Harini Ramakrishnan <harini.ramakrishnan@microsoft.com>
2019-04-03 01:06:01 +02:00
Bruce Richardson
d320fe56bd build: use version number from config file
Since we have the version number in a separate file at the root level,
we should not need to duplicate this in rte_version.h too. Best
approach here is to move the macros for specifying the year/month/etc.
parts from the version header file to the build config file - leaving
the other utility macros for e.g. printing the version string, where they
are.

For "make", this is done by having a little bit of awk parse the version
file and pass the results through to the preprocessor for the config
generation stage.

For "meson", this is done by parsing the version and adding it to the
standard dpdk_conf object.

In both cases, we need to append a large number - in this case "99",
previously 16 in original code - to the version number when we want to do
version number comparisons. Without this, the release version e.g. 19.05.0
will compare as less than it's RC's e.g. 19.05.0-rc4. With it, the
comparison is correct as "19.05.0.99 > 19.05.0-rc4.99".

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
2019-03-27 09:43:47 +01:00
Bruce Richardson
664c59fac1 build: move meson version handling to config directory
To keep the top-level meson.build file as clean and clear as possible, we
move the version handling to the config/meson.build file, where the rest of
the build configuration is already being set up.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-03-27 09:43:35 +01:00
Luca Boccassi
a9933bb1de build: improve libbsd dependency handling
Use dependency() instead of manual append to ldflags.

Move libbsd inclusion to librte_eal, so that all other libraries and
PMDs will inherit it.

Signed-off-by: Luca Boccassi <bluca@debian.org>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2019-02-27 12:28:03 +01:00
Chas Williams
d5555fc900 build: add option to override max ethdev ports
Allow users and packagers to override the default RTE_MAX_ETHPORTS.
This adds a new meson option, max_ethports which defaults to the
current value.

Signed-off-by: Chas Williams <3chas3@gmail.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2019-02-26 21:21:27 +01:00
Bruce Richardson
d23e141ffa build: set RTE_ARCH_64 based on pointer size
Rather than relying on the target machine architecture, use the
size of a pointer from the compiler to determine if we are 64-bits
or not. This allows correct behaviour when you pass -m32 as a compile
option. It also allows us to use this value repeatedly throughout the
repo rather than continually testing for the sizeof(void*).

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Tested-by: Luca Boccassi <bluca@debian.org>
Acked-by: Luca Boccassi <bluca@debian.org>
2019-02-26 18:34:28 +01:00
Harry van Haaren
566b4d7a96 build: fix meson check for binutils 2.30
This commit reworks the checks for binutils 2.30 and how
the flags to disable AVX512F are passed to the compiler.

Previously the #define for including AVX512 code was set,
while the -mno-avx512f argument was given to the compiler.
This would cause gcc to correctly refuse to emit AVX512
instructions, but the rte_memcpy code that includes AVX512
optimizations was being added to the build.

The check for binutils check is now moved to x86 as it is
irrelevant for other architectures, and the -mno-avx512f
flag is passed to a march_opts array in meson. As the
-mno-avx512 flag is added earlier in the build, the code
in rte_memcpy is no longer attempted to be compiled.

This commit also adds a message print in the meson configure
stage to alert the user of the workaround being employed.

Fixes: a32ca9a4eb ("mk: fix scope of disabling AVX512F support")

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Tested-by: Ferruh Yigit <ferruh.yigit@intel.com>
2019-01-17 19:19:57 +01:00
Ferruh Yigit
a32ca9a4eb mk: fix scope of disabling AVX512F support
AVX512 was disabled for GCC because of Bugzilla issue 97 [1],
the GCC defect submitted for the issue [2] highlighted that this is
a known binutils version 2.30 issue.

Narrowed the scope of no-avx512 to the this specific binutils version.

[1]
https://bugs.dpdk.org/show_bug.cgi?id=97

[2]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88096

Fixes: 8d07c82b23 ("mk: disable gcc AVX512F support")
Cc: stable@dpdk.org

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
2019-01-14 17:27:48 +01:00
Christian Ehrhardt
c04e679e86 build: establish an invariant machine type
Add the machine definition 'default' which is special compared
to 'native' (most optimized for current system) or any explicit
type (external entity has to decide on the type).

It defaults to the per arch agreed common minimal baseline
needed for DPDK to reasonable work.

That might not be the most optimized, but the most portable
version while still being able to support the CPU features
required for DPDK.

Going forward this can be bumped up by the DPDK project, but it
can never be an invariant like 'native'.

Distributions and other needing portable code are expected to
define the machine as 'default'.

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Acked-by: Luca Boccassi <bluca@debian.org>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2018-11-18 15:30:58 +01:00
Christian Ehrhardt
aba3289e87 build: avoid non supported -march on ppc with meson
So far only if machine was "native" it did use the re-direction to
not set -march on ppc64 (where -march is not supported).
We have to use mcpu/mtune in any case on ppc for whatever someone using
the build system defines as machine.

Fixes: 54d609a138 ("build: add ppc64 meson build")

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2018-11-18 15:30:58 +01:00
Agalya Babu RadhaKrishnan
afbafdca7c vfio: disable in FreeBSD build with meson
FreeBSD compilation was failing through meson build.
RTE_EAL_VFIO is not supported in FreeBSD.
But RTE_EAL_VFIO was enabled for both linux and freebsd.
So RTE_EAL_VFIO is removed from config/rte_config.h and
based on the platform RTE_EAL_VFIO flag is enabled/disabled appropriately.

Fixes: 844514c735 ("eal: build with meson")
Cc: stable@dpdk.org

Signed-off-by: Agalya Babu RadhaKrishnan <agalyax.babu.radhakrishnan@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2018-10-27 17:57:55 +02:00
Kevin Laatz
57ae0ec626 build: add dependency on telemetry to apps with meson
This patch adds telemetry as a dependecy to all applications. Without these
changes, the --telemetry flag will not be recognised and applications will
fail to run if they want to enable telemetry.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Kevin Laatz <kevin.laatz@intel.com>
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
2018-10-27 15:21:33 +02:00
Luca Boccassi
54d609a138 build: add ppc64 meson build
This has been only build-tested for now, on a native ppc64el POWER8E
machine running Debian sid.

Signed-off-by: Luca Boccassi <bluca@debian.org>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2018-09-17 12:21:17 +02:00
Bruce Richardson
8a19276261 bus/dpaa2: fix default IOVA setting for meson builds
By default, the DPAA2_USE_PHYS_IOVA setting with the make build-system
is "y", which is overridden to "n" in the config file specifically for
the arm64-dpaa2-linuxapp-gcc builds. The lack of this setting in meson
builds causes issues for 32-bit build, as the alternative code paths
have compiler warnings e.g. for i686 builds. Therefore we should align
the meson and make settings, setting the value to "true" by default and
overriding it to "false" for dpaa2-specific builds.

Fixes: 6ec78c2463 ("build: add meson support for dpaaX platforms")

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
2018-07-12 12:25:20 +02:00
Bruce Richardson
b67cc8a561 build: disable pointer to int warnings for 32-bit
Converting a 32-bit pointer to a 64-bit integer is generally safe, but
generates a lot of warnings when compiling 32-bit code with meson. The
warnings are not flagged when using make, so just disable them for
32-bit meson builds.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
2018-07-12 12:24:41 +02:00
Gavin Hu
d292a42fc8 build: fix for host clang and cross gcc
The following error hits if host cc compiler is clang(default one in most
linux distributions) and the cross compiler is gcc.

The root cause is: the hybride compilers add the warning options to the
meson project as project arguments, which apply for both host compiling and
cross compiling. But some options such as '-Wno-format-truncation' are not
supported nor recognized by clang, so they have to be removed from the
project arguments for the host compiler to run smoothily and added back as
cflags for the cross compiler to compile for cross source files.

The fix is remove unrecognized warning options from the meson project
arguments shared by gcc and clang, as add them specifically for gcc or
clang as cflags.

[265/893] Compiling C object
'buildtools/pmdinfogen/pmdinfogen@exe/pmdinfogen.c.o'.  warning: unknown
warning option '-Wno-format-truncation' [-Wunknown-warning-option]

Fixes: a55277a788 ("devtools: add test script for meson builds")
Cc: stable@dpdk.org

Signed-off-by: Gavin Hu <gavin.hu@arm.com>
Reviewed-by: Phil Yang <phil.yang@arm.com>
Reviewed-by: Song Zhu <song.zhu@arm.com>
Reviewed-by: Steve Capper <steve.capper@arm.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2018-07-11 21:14:21 +02:00
Andrew Rybchenko
bfa49c8f12 mempool/bucket: add to meson build
Fixes: 4ed00862c8 ("mempool/bucket: implement bucket mempool manager")

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
2018-05-21 12:00:09 +02:00
Bruce Richardson
9009d00746 build: fix check for libbsd in meson
When we check for libbsd we were just checking for the library itself.
However, on some distros, e.g. CentOS, libbsd will be found even though
it's not usable by DPDK as it's missing the string header. Therefore we
should check for both the library and the header file.

Fixes: 5364de644a ("eal: support strlcpy function")

Signed-off-by: Bruce Richarson <bruce.richardson@intel.com>
Reported-by: Vladimir Medvedkin <medvedkinv@gmail.com>
Acked-by: Vladimir Medvedkin <medvedkinv@gmail.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2018-05-08 22:21:56 +02:00
Pavan Nikhilesh
afd18fa21b build: set toolchain info during meson configure
Meson reports the toolchain using cc.get_id and we can set RTE_TOOLCHAIN,
RTE_TOOLCHAIN_X in dpdk_conf so that it can be used by both x86 and arm.

Suggested-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2018-04-17 16:09:43 +02:00
Bruce Richardson
5364de644a eal: support strlcpy function
The strncpy function is error prone for doing "safe" string copies, so
we generally try to use "snprintf" instead in the code. The function
"strlcpy" is a better alternative, since it better conveys the
intention of the programmer, and doesn't suffer from the non-null
terminating behaviour of it's n'ed brethern.

The downside of this function is that it is not available by default
on linux, though standard in the BSD's. It is available on most
distros by installing "libbsd" package.

This patch therefore provides the following in rte_string_fns.h to ensure
that strlcpy is available there:
* for BSD, include string.h as normal
* if RTE_USE_LIBBSD is set, include <bsd/string.h>
* if not set, fallback to snprintf for strlcpy

Using make build system, the RTE_USE_LIBBSD is a hard-coded value to "n",
but when using meson, it's automatically set based on what is available
on the platform.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
2018-04-04 17:33:08 +02:00
Pavan Nikhilesh
200b88cbe0 build: detect micro-arch on ARM
Added support for detecting march and mcpu by reading midr_el1 register.
The implementer, primary part number values read can be used to figure
out the underlying arm cpu.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
2018-01-30 21:59:00 +01:00
Bruce Richardson
b1d48c4118 build: support ARM with meson
Add files to enable compiling for ARM native/cross builds.
This can be tested by doing a cross-compile for armv8-a type using
the linaro gcc toolchain.

        meson arm-build --cross-file aarch64_cross.txt
        ninja -C arm-build

where aarch64_cross.txt contained the following

        [binaries]
        c = 'aarch64-linux-gnu-gcc'
        cpp = 'aarch64-linux-gnu-cpp'
        ar = 'aarch64-linux-gnu-ar'

        [host_machine]
        system = 'linux'
        cpu_family = 'aarch64'
        cpu = 'armv8-a'
        endian = 'little'

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
2018-01-30 21:59:00 +01:00
Bruce Richardson
b114af1603 build: remove architecture flag as default C flag
Any flags added to the project args are automatically added to all builds,
both native and cross-compiled. This is not what we want for the -march
flag as a valid -march for the cross-compile is not valid for pmdinfogen
which is a native-build tool.

Instead we store the march flag as a variable, and add it to the default
cflags for all libs, drivers, examples, etc. This will allow pmdinfogen to
compile successfully in a cross-compilation environment.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2018-01-30 21:58:59 +01:00
Bruce Richardson
6c9457c279 build: replace license text with SPDX tag
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Luca Boccassi <bluca@debian.org>
2018-01-30 21:58:59 +01:00
Bruce Richardson
610beca42e build: remove library special cases
The EAL and compat libraries were special-cases in the library build
process, the former because of it's complexity, and the latter because
it only consists of a single header file.

By reworking the EAL meson.build files, we can eliminate the need for it to
be a special case, by having it build up and return the list of sources,
headers, and objects and return those to the higher level build file. This
should also simplify the building of EAL, as we can eliminate a number of
meson.build files that would no longer be needed, and have fewer, but
larger meson.build files (9 now vs 14 previous) - thereby making the logic
easier to follow and items easier to find.

Once done, we can pull eal into the main library loop, with some
modifications to support it. Compat can also be pulled it once we add in a
check to handle the case of an empty sources list.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
2018-01-30 21:58:59 +01:00
Bruce Richardson
f3eeed27ff build: detect and use libnuma
DPDK has an optional dependency on libnuma, so manage that through the
build system, by dynamically detecting the presence of the needed library
and header files. Since this library is used by both EAL and vhost, check
for the presence at the top level in the config directory.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Luca Boccassi <bluca@debian.org>
2018-01-30 21:58:59 +01:00
Bruce Richardson
2eb3cb3005 build: add maths library in pkg-config file
Since a number of libraries depend on the maths lib, as well as adding it
to the project args, we also need to add it to the pkgconfig file args.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Luca Boccassi <bluca@debian.org>
2018-01-30 21:58:59 +01:00
Luca Boccassi
d7939c5f87 build: add optional arch-specific headers install path
A subset of the dpdk headers are arch-dependent, but have common names
and thus cause a clash in a multiarch installation.
For example, rte_config.h is different for each target.

Add a "include_subdir_arch"  option to allow a user to specify a
subdirectory for arch independent headers to fix multiarch support.

Signed-off-by: Luca Boccassi <bluca@debian.org>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
2018-01-30 21:51:45 +01:00
Bruce Richardson
a25a650be5 build: add infrastructure for meson and ninja builds
To build with meson and ninja, we need some initial infrastructure in
place. The build files for meson always need to be called "meson.build",
and options get placed in meson_options.txt

This commit adds a top-level meson.build file, which sets up the global
variables for tracking drivers, libraries, etc., and then includes other
build files, before finishing by writing the global build configuration
header file and a DPDK pkgconfig file at the end, using some of those same
globals.

From the top level build file, the only include file thus far is for the
config folder, which does some other setup of global configuration
parameters, including pulling in architecture specific parameters from an
architectural subdirectory. A number of configuration build options are
provided for the project to tune a number of global variables which will be
used later e.g. max numa nodes, max cores, etc. These settings all make
their way to the global build config header "rte_build_config.h". There is
also a file "rte_config.h", which includes "rte_build_config.h", and this
file is meant to hold other build-time values which are present in our
current static build configuration but are not normally meant for
user-configuration. Ideally, over time, the values placed here should be
moved to the individual libraries or drivers which want those values.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Keith Wiles <keith.wiles@intel.com>
Acked-by: Luca Boccassi <luca.boccassi@gmail.com>
2018-01-30 17:49:16 +01:00