[MPlayer-dev-eng] [PATCH] Fix usage of nm(1) with OpenBSD.

[Brad]

The following diff brings over a fix for nm(1) usage within
the configure script to only use the -P flag on Solaris.
The current usage of nm(1) breaks on OpenBSD which doesn't
support the -P flag. The fix was copied from FFmpeg.


Checking for extern symbol prefix ... nm: unknown option -- P
usage: nm [-aCegnoprsuw] [file ...]


Index: configure
===================================================================
--- configure	(revision 33533)
+++ configure	(working copy)
@@ -622,6 +622,7 @@
 test "$CC" && _cc="$CC"
 _as=auto
 _nm=auto
+nm_opts="-g"
 _yasm=yasm
 _runtime_cpudetection=no
 _cross_compile=auto
@@ -1588,6 +1589,10 @@
   def_priority="#define CONFIG_PRIORITY 1"
 fi
 
+if sunos ; then
+  nm_opts="-P -g"
+fi
+
 for tmpdir in "$TMPDIR" "$TEMPDIR" "/tmp" ; do
   test "$tmpdir" && break
 done
@@ -2523,7 +2528,7 @@
 int ff_extern;
 EOF
 cc_check -c || die "Symbol mangling check failed."
-sym=$($_nm -P -g $TMPEXE)
+sym=$($_nm $nm_opts $TMPEXE | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
 extern_prefix=${sym%%ff_extern*}
 def_extern_asm="#define EXTERN_ASM $extern_prefix"
 def_extern_prefix="#define EXTERN_PREFIX \"$extern_prefix\""

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