Commit 72a43668 authored by Måns Rullgård's avatar Måns Rullgård
Browse files

configure: add enable_weak and disable_weak

These functions enable/disable their options if these are unset,
leaving their old values otherwise.

Originally committed as revision 15689 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent f9d328da
...@@ -250,6 +250,14 @@ set_all(){ ...@@ -250,6 +250,14 @@ set_all(){
done done
} }
set_weak(){
value=$1
shift
for var; do
eval : \${$var:=$value}
done
}
pushvar(){ pushvar(){
for var in $*; do for var in $*; do
eval level=\${${var}_level:=0} eval level=\${${var}_level:=0}
...@@ -277,6 +285,14 @@ disable(){ ...@@ -277,6 +285,14 @@ disable(){
set_all no $* set_all no $*
} }
enable_weak(){
set_weak yes $*
}
disable_weak(){
set_weak no $*
}
do_enable_deep(){ do_enable_deep(){
for var; do for var; do
enabled $var && continue enabled $var && continue
...@@ -292,6 +308,11 @@ enable_deep(){ ...@@ -292,6 +308,11 @@ enable_deep(){
enable $* enable $*
} }
enable_deep_weak(){
do_enable_deep $*
enable_weak $*
}
enabled(){ enabled(){
test "${1#!}" = "$1" && op== || op=!= test "${1#!}" = "$1" && op== || op=!=
eval test "x\$${1#!}" $op "xyes" eval test "x\$${1#!}" $op "xyes"
......
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