[FFmpeg-cvslog] build: make sure a disabled autodetect still pick the libc's iconv

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <cboesch at gopro.com> | Wed Aug 30 12:26:01 2017 +0200| [fe9c85e4e2650dc9537b54b1eabb4f9be7b628ed] | committer: Clément Bœsch

build: make sure a disabled autodetect still pick the libc's iconv

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fe9c85e4e2650dc9537b54b1eabb4f9be7b628ed
---

 configure | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index f29fe1145c..7c2a196585 100755
--- a/configure
+++ b/configure
@@ -3592,6 +3592,11 @@ for e in $env; do
 done
 
 if disabled autodetect; then
+
+    # Unless iconv is explicitely disabled by the user, we still want to probe
+    # for the iconv from the libc.
+    disabled iconv || enable libc_iconv
+
     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST
     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST
 fi
@@ -6193,7 +6198,11 @@ int main(void) { return 0; }
 EOF
 
 # Funny iconv installations are not unusual, so check it after all flags have been set
-enabled iconv && check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
+if enabled libc_iconv; then
+    check_func_headers iconv.h iconv
+elif enabled iconv; then
+    check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv
+fi
 
 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"