Revert 4 commits to configure which broke dependency handling

Revert "configure: Don't enable examples when --disable-everything is used"
reverted as the problematic commit will be reverted too
This reverts commit 02dfa64c088c87367c298a3f648454204656734f.

Revert "Merge commit 'a2bb771a3cded8a05137c0effb34f61a2bc78e22'"
This reverts commit e8ebcb0034c5d4e5df8ff407a5c28d8c53823236, reversing
changes made to 3bff005be8ea213c23160ee0ac286634a80a10e1.

Revert "Merge commit '21c750f240b9d0c41a258d1adee2d9f75ff378b6'"
This reverts commit 470bfab470893d45328f4e6e25d60b89c9af1abe, reversing
changes made to f97ee815cf25580cbb9d6bed304d9c22895f7074.

Revert "Revert "configure: Revert recent changes to disable-everything""
This reverts commit f97ee815cf25580cbb9d6bed304d9c22895f7074.

Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Immediate commit suggested by BBB

1 files changed, 15 insertions, 65 deletions

diff --git a/configure b/configure
index fb81a19d61..287896f8ce 100755
--- a/configure
+++ b/configure
@@ -579,15 +579,8 @@ enable(){
     set_all yes $*
 }
 
-check_requested() {
-    for var; do
-        eval test "x\$${var#!}_requested" = "xyes" &&  die "${var%%_*} cannot be enabled"
-    done
-}
-
 disable(){
     set_all no $*
-    check_requested $*
 }
 
 enable_weak(){
@@ -638,32 +631,6 @@ enable_deep_weak(){
     done
 }
 
-do_enable_deep_force(){
-    for var; do
-        enabled $var && continue
-        eval sel="\$${var}_deps\ \$${var}_deps_any\ \$${var}_select\ \$${var}_suggest\ \$${var}_select_any"
-        pushvar var
-        enable_deep_force $sel
-        popvar var
-    done
-}
-
-enable_deep_force(){
-    do_enable_deep_force $*
-    for var; do
-        is_in $var $ALL_COMPONENTS $COMPONENT_LIST $LIBRARY_LIST && enable $var
-    done
-}
-
-request(){
-    disable $* # force the refresh of the dependencies
-    for var; do
-        enable ${var}_requested
-    done
-    enable_deep_force $*
-    enable $*
-}
-
 enabled(){
     test "${1#!}" = "$1" && op='=' || op=!=
     eval test "x\$${1#!}" $op "xyes"
@@ -723,7 +690,7 @@ do_check_deps(){
         append allopts $cfg
 
         eval dep_all="\$${cfg}_deps"
-        eval dep_any="\$${cfg}_deps_any\ \$${cfg}_select_any"
+        eval dep_any="\$${cfg}_deps_any"
         eval dep_sel="\$${cfg}_select"
         eval dep_sgs="\$${cfg}_suggest"
         eval dep_ifa="\$${cfg}_if"
@@ -2860,7 +2827,7 @@ tls_schannel_protocol_deps="schannel"
 tls_schannel_protocol_select="tcp_protocol"
 tls_securetransport_protocol_deps="securetransport"
 tls_securetransport_protocol_select="tcp_protocol"
-tls_protocol_select_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
+tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
 udp_protocol_select="network"
 udplite_protocol_select="network"
 unix_protocol_deps="sys_un_h"
@@ -3047,7 +3014,10 @@ cpu="generic"
 intrinsics="none"
 
 # configurable options
+enable $PROGRAM_LIST
 enable $DOCUMENT_LIST
+enable $EXAMPLE_LIST
+enable $(filter_out avresample $LIBRARY_LIST)
 enable stripping
 
 enable asm
@@ -3168,6 +3138,12 @@ ALL_COMPONENTS="
     $PROTOCOL_LIST
 "
 
+for n in $COMPONENT_LIST; do
+    v=$(toupper ${n%s})_LIST
+    eval enable \$$v
+    eval ${n}_if_any="\$$v"
+done
+
 enable $ARCH_EXT_LIST
 
 die_unknown(){
@@ -3234,11 +3210,10 @@ for opt do
             disable $PROGRAM_LIST
         ;;
         --disable-everything)
-            map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
-            enable_deep_force $(filter_out avresample $LIBRARY_LIST) $PROGRAM_LIST
+            map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
         ;;
         --disable-all)
-            map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
+            map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
             disable $LIBRARY_LIST $PROGRAM_LIST doc
             enable avutil
         ;;
@@ -3255,7 +3230,6 @@ for opt do
             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
             eval list=\$$(toupper $thing)_LIST
             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
-            test $action = enable && action="request"
             list=$(filter "$name" $list)
             [ "$list" = "" ] && warn "Option $opt did not match anything"
             $action $list
@@ -3263,10 +3237,9 @@ for opt do
         --enable-?*|--disable-?*)
             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
             if is_in $option $COMPONENT_LIST; then
-                test $action = enable && action="enable_deep_force"
+                test $action = disable && action=unset
                 eval $action \$$(toupper ${option%s})_LIST
             elif is_in $option $CMDLINE_SELECT; then
-                test $action = enable && action="request"
                 $action $option
             else
                 die_unknown $opt
@@ -3303,15 +3276,11 @@ done
 
 disabled logging && logfile=/dev/null
 
-# Enable the default components if not disabled explicitly
-
-enable_weak $(filter_out avresample $LIBRARY_LIST) $PROGRAM_LIST
-
 # Disable all the library-specific components if the library itself
 # is disabled, see AVCODEC_LIST and following _LIST variables.
 
 disable_components(){
-    disabled ${1} && disable_weak $(
+    disabled ${1} && disable $(
         eval components="\$$(toupper ${1})_COMPONENTS"
         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
     )
@@ -3320,25 +3289,6 @@ disable_components(){
 map 'disable_components $v' $LIBRARY_LIST
 
 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
-
-# Mark components that had not been enabled/disabled explicitly
-# as enabled
-
-for n in $COMPONENT_LIST; do
-    v=$(toupper ${n%s})_LIST
-    eval enable_weak \$$v
-    eval ${n}_if_any="\$$v"
-done
-
-# Make so that disabled libraries are enabled if a component
-# of them is requested
-
-for n in $LIBRARY_LIST; do
-    v=$(toupper ${n})_COMPONENTS
-    eval ${n}_if_any="\$$v"
-done
-
-echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
 set >> $logfile
 
 test -n "$valgrind" && toolchain="valgrind-memcheck"