Use the more generic check for "sed -r" support that was already present in 1.4.

(related to issue #9399)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@60014 65c4cc65-6c06-0410-ace0-fbb531ad65f3

mkpkgconfig

@@ -7,27 +7,26 @@ if [ "x$ASTERISKVERSIONNUM" = "x" ]; then
   exit
 fi
 
-if uname -a | grep -q Darwin
-then
-  SEDARG=-E
-else
-  SEDARG=-r
-fi
-
 ## Create a pkgconfig spec file for 3rd party modules (pkg-config asterisk --cflags)
 
 if [ ! -d $PPATH ]; then
   exit
 fi
 
-## Clean out CFLAGS for the spec file.
+#Solaris (and some others) don't have sed -r.  perl -p is equivalent
+if [[ `echo "xxx" | sed -r 's/x/y/g' 2>/dev/null | grep -c "yyy"` != 0 ]]; then
+    EXTREGEX="sed -r -e"
+else
+    EXTREGEX="perl -pe"
+fi
 
-LOCAL_CFLAGS=`echo $CFLAGS | sed -e 's/\s*-pipe\s*//g' | sed -e 's/-[Wmp]\S*\s*//g' | \
-  sed $SEDARG -e 's/-I(include|\.\.\/include) //g' | \
-  sed -e 's/-DINSTALL_PREFIX=\S* //g' | \
-  sed $SEDARG -e 's/-DASTERISK_VERSION=\S* //g' | \
-  sed $SEDARG -e 's/-DAST(ETCDIR|LIBDIR|VARLIBDIR|VARRUNDIR|SPOOLDIR|LOGDIR|CONFPATH|MODDIR|AGIDIR)=\S* //g'`
+## Clean out CFLAGS for the spec file.
 
+LOCAL_CFLAGS=`echo $CFLAGS | ${EXTREGEX} 's/\s*-pipe\s*//g' | ${EXTREGEX} 's/-[Wmp]\S*\s*//g' | \
+  ${EXTREGEX} 's/-I(include|\.\.\/include) //g' | \
+  ${EXTREGEX} 's/-DINSTALL_PREFIX=\S* //g' | \
+  ${EXTREGEX} 's/-DASTERISK_VERSION=\S* //g' | \
+  ${EXTREGEX} 's/-DAST(ETCDIR|LIBDIR|VARLIBDIR|VARRUNDIR|SPOOLDIR|LOGDIR|CONFPATH|MODDIR|AGIDIR)=\S* //g'`
 
 cat <<EOF > $PPATH/asterisk.pc
 install_prefix=$INSTALL_PREFIX