[libxml2] xml2-config.in: Output CFLAGS and LIBS on the same line

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 2f2bf4b2caa1cb9a4a5039b7a44db101943382d1
Author: Hugh McMaster <hugh mcmaster outlook com>
Date:   Wed Jul 31 20:21:47 2019 +1000

    xml2-config.in: Output CFLAGS and LIBS on the same line
    
    xml2-config currently outputs the results of '--cflags --libs' on two lines.
    Printing this information on one line is far more useful.

 xml2-config.in | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)
---
diff --git a/xml2-config.in b/xml2-config.in
index 6b87fc8c..cb4aa613 100644
--- a/xml2-config.in
+++ b/xml2-config.in
@@ -29,9 +29,6 @@ if test $# -eq 0; then
     usage 1
 fi
 
-cflags=false
-libs=false
-
 while test $# -gt 0; do
     case "$1" in
     -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
@@ -68,7 +65,7 @@ while test $# -gt 0; do
        ;;
 
     --cflags)
-               echo @XML_INCLUDEDIR@ @XML_CFLAGS@
+        cflags="@XML_INCLUDEDIR@ @XML_CFLAGS@"
                ;;
 
     --libtool-libs)
@@ -85,16 +82,16 @@ while test $# -gt 0; do
     --libs)
         if [ "$2" = "--dynamic" ]; then
             shift
-            LIBS="@XML_LIBS@"
+            libs="@XML_LIBS@"
         else
-            LIBS="@XML_LIBS@ @XML_PRIVATE_LIBS@ @MODULE_PLATFORM_LIBS@"
+            libs="@XML_LIBS@ @XML_PRIVATE_LIBS@ @MODULE_PLATFORM_LIBS@"
         fi
 
         if [ "@XML_LIBDIR@" != "-L/usr/lib" -a "@XML_LIBDIR@" != "-L/usr/lib64" ]; then
-            LIBS="@XML_LIBDIR@ $LIBS"
+            libs="@XML_LIBDIR@ $libs"
         fi
 
-        echo ${LIBS} @WIN32_EXTRA_LIBADD@
+        libs="$libs @WIN32_EXTRA_LIBADD@"
         ;;
 
     *)
@@ -105,4 +102,8 @@ while test $# -gt 0; do
     shift
 done
 
+if test "$cflags" -o "$libs"; then
+    echo $cflags $libs
+fi
+
 exit 0