net/mana: support rdma-core via pkg-config in meson

Currently building with custom rdma-core installed in /opt/rdma-core
after setting PKG_CONFIG_PATH=/opt/rdma-core/lib64/pkgconfig/ results
in the below meson logs:
Run-time dependency libmana found: YES 1.0.54.0
Header "infiniband/manadv.h" has symbol "manadv_set_context_attr" : NO

Thus to fix this, the libs is updated in meson.build and is passed to
the cc.has_header_symbol call using dependencies. After this change,
the libmana header files are getting included and net/mana is
successfully enabled.

Fixes: 517ed6e ("net/mana: add basic driver with build environment")
Cc: stable@dpdk.org

Signed-off-by: Shreesh Adiga <16567adigashreesh@gmail.com>
Acked-by: Long Li <longli@microsoft.com>

drivers/net/mana/meson.build

@@ -19,12 +19,14 @@ sources += files(
 )
 
 libnames = ['ibverbs', 'mana']
+libs = []
 foreach libname:libnames
     lib = dependency('lib' + libname, required:false)
     if not lib.found()
         lib = cc.find_library(libname, required:false)
     endif
     if lib.found()
+        libs += lib
         ext_deps += lib
     else
         build = false
@@ -43,7 +45,7 @@ required_symbols = [
 ]
 
 foreach arg:required_symbols
-    if not cc.has_header_symbol(arg[0], arg[1])
+    if not cc.has_header_symbol(arg[0], arg[1], dependencies: libs, args: cflags)
         build = false
         reason = 'missing symbol "' + arg[1] + '" in "' + arg[0] + '"'
         subdir_done()