X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=config%2Fmeson.build;h=2bafea530edbaec2f5497f28e742b5571475d547;hb=e27071744d3db6207a613a74bdb712b16a29ae47;hp=483139b100af7a7c52c0585506793355b0c22dce;hpb=98edcbb5ab2f06eabb691c67613e65a8405c55b1;p=dpdk.git

diff --git a/config/meson.build b/config/meson.build
index 483139b100..2bafea530e 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -1,6 +1,19 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2017-2019 Intel Corporation
 
+# check the OS is supported, rather than going any further
+supported_exec_envs = ['freebsd', 'linux', 'windows']
+exec_env = host_machine.system()
+if not supported_exec_envs.contains(exec_env)
+	error('unsupported system type "@0@"'.format(exec_env))
+endif
+
+# define a handy variable for checking which OS we have.
+# gives us "is_windows", "is_freebsd" and "is_linux"
+foreach env:supported_exec_envs
+	set_variable('is_' + env, exec_env == env)
+endforeach
+
 # set the major version, which might be used by drivers and libraries
 # depending on the configuration options
 pver = meson.project_version().split('.')
@@ -29,6 +42,13 @@ endif
 driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
 eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
 
+# driver .so files often depend upon the bus drivers for their connect bus,
+# e.g. ixgbe depends on librte_bus_pci. This means that the bus drivers need
+# to be in the library path, so symlink the drivers from the main lib directory.
+meson.add_install_script('../buildtools/symlink-drivers-solibs.sh',
+		get_option('libdir'),
+		pmd_subdir_opt)
+
 # set the machine type and cflags for it
 if meson.is_cross_build()
 	machine = host_machine.cpu()
@@ -88,9 +108,9 @@ if cc.find_library('libm', required : false).found()
 endif
 
 # for linux link against dl, for bsd execinfo
-if host_machine.system() == 'linux'
+if is_linux
 	link_lib = 'dl'
-elif host_machine.system() == 'freebsd'
+elif is_freebsd
 	link_lib = 'execinfo'
 else
 	link_lib = ''
@@ -112,12 +132,10 @@ if numa_dep.found() and cc.has_header('numaif.h')
 	dpdk_extra_ldflags += '-lnuma'
 endif
 
-# check for strlcpy
-if host_machine.system() == 'linux'
-	libbsd = dependency('libbsd', required: false)
-	if libbsd.found()
-		dpdk_conf.set('RTE_USE_LIBBSD', 1)
-	endif
+# check for libbsd
+libbsd = dependency('libbsd', required: false)
+if libbsd.found()
+	dpdk_conf.set('RTE_USE_LIBBSD', 1)
 endif
 
 # add -include rte_config to cflags
@@ -125,6 +143,7 @@ add_project_arguments('-include', 'rte_config.h', language: 'c')
 
 # enable extra warnings and disable any unwanted warnings
 warning_flags = [
+	'-Wunused-parameter',
 	'-Wsign-compare',
 	'-Wcast-qual',
 	'-Wno-address-of-packed-member'
@@ -168,4 +187,12 @@ dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
 
 # enable VFIO only if it is linux OS
-dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')
+dpdk_conf.set('RTE_EAL_VFIO', is_linux)
+
+# specify -D_GNU_SOURCE unconditionally
+add_project_arguments('-D_GNU_SOURCE', language: 'c')
+
+# specify -D__BSD_VISIBLE for FreeBSD
+if is_freebsd
+	add_project_arguments('-D__BSD_VISIBLE', language: 'c')
+endif