1 files changed, 41 insertions, 29 deletions

diff --git a/src/gpg-error-config-main.sh b/src/gpg-error-config-main.sh
index 0a0dd0f..1ead597 100644
--- a/src/gpg-error-config-main.sh
+++ b/src/gpg-error-config-main.sh
@@ -37,27 +37,28 @@ output_attr=""
 opt_cflags=no
 opt_libs=no
 output=""
+delimiter=" "
 
 while test $# -gt 0; do
     case $1 in
 	--prefix)
 	    # In future, use --variable=prefix instead.
 	    output_var=prefix
-	    break
 	    ;;
 	--exec-prefix)
 	    # In future, use --variable=exec_prefix instead.
 	    output_var=exec_prefix
-	    break
 	    ;;
 	--version)
 	    # In future, use --modversion instead.
 	    output_attr=Version
-	    break
+	    delimiter="
+"
 	    ;;
 	--modversion)
 	    output_attr=Version
-	    break
+	    delimiter="
+"
 	    ;;
 	--cflags)
 	    opt_cflags=yes
@@ -67,12 +68,10 @@ while test $# -gt 0; do
 	    ;;
 	--variable=*)
 	    output_var=${1#*=}
-	    break
 	    ;;
 	--host)
 	    # In future, use --variable=host instead.
 	    output_var=host
-	    break
 	    ;;
 	--help)
 	    usage 0
@@ -84,22 +83,27 @@ while test $# -gt 0; do
     shift
 done
 
-if [ -z "$modules" ]; then
-    modules=${myname%-config}
-fi
-
-if [ myname = "gpg-error-config" -a -z "$modules" ]; then
+if [ $myname = "gpg-error-config" -a -z "$modules" ]; then
     read_config_file ${myname%-config} $PKG_CONFIG_PATH
-    cflags="$(get_attr Cflags)"
-    libs="$(get_attr Libs)"
+    if [ -n "$output_var" ]; then
+	output="$output${output:+ }$(get_var $output_var)"
+    elif [ -n "$output_attr" ]; then
+	output="$output${output:+ }$(get_attr $output_attr)"
+    else
+	cflags="$(get_attr Cflags)"
+	libs="$(get_attr Libs)"
 
-    mtcflags="$(get_var mtcflags)"
-    mtlibs="$(get_var mtlibs)"
+	mtcflags="$(get_var mtcflags)"
+	mtlibs="$(get_var mtlibs)"
+    fi
 
     requires="$(get_attr Requires)"
     cleanup_vars_attrs
     pkg_list=$(all_required_config_files $requires)
 else
+    if [ -z "$modules" ]; then
+	modules=${myname%-config}
+    fi
     cflags=""
     libs=""
     pkg_list=$(all_required_config_files $modules)
@@ -107,24 +111,32 @@ fi
 
 for p in $pkg_list; do
     read_config_file $p $PKG_CONFIG_PATH
-    cflags="$cflags $(get_attr Cflags)"
-    libs="$libs $(get_attr Libs)"
+    if [ -n "$output_var" ]; then
+	output="$output${output:+$delimiter}$(get_var $output_var)"
+    elif [ -n "$output_attr" ]; then
+	output="$output${output:+$delimiter}$(get_attr $output_attr)"
+    else
+	cflags="$cflags${cflags:+ }$(get_attr Cflags)"
+	libs="$libs${libs:+ }$(get_attr Libs)"
+    fi
     cleanup_vars_attrs
 done
 
-if [ $opt_cflags = yes ]; then
-    output="$output $(list_only_once $cflags)"
-    # Backward compatibility to old gpg-error-config
-    if [ $mt = yes ]; then
-	output="$output $mtcflags"
+if [ -z "$output_var" -a -z "$output_attr" ]; then
+    if [ $opt_cflags = yes ]; then
+	output="$output $(list_only_once $cflags)"
+	# Backward compatibility to old gpg-error-config
+	if [ $mt = yes ]; then
+	    output="$output $mtcflags"
+	fi
     fi
-fi
-if [ $opt_libs = yes ]; then
-    output="$output $(list_only_once_for_libs $libs)"
-    # Backward compatibility to old gpg-error-config
-    if [ $mt = yes ]; then
-	output="$output $mtlibs"
+    if [ $opt_libs = yes ]; then
+	output="$output $(list_only_once_for_libs $libs)"
+	# Backward compatibility to old gpg-error-config
+	if [ $mt = yes ]; then
+	    output="$output $mtlibs"
+	fi
     fi
 fi
 
-echo $output
+echo "$output"