From c4621d4a468e9f83725279a1385479a009993ba8 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Thu, 12 Feb 2015 22:05:29 +0100
Subject: Autodetect OpenSSL or GnuTLS

I'll probably regret it.

There's also a very small chance that the pkg-config things I'm
checking are debian-specific.

Fixes #54.
---
 README.rst            |  6 +++---
 scripts/ffmpeg-config | 15 ++++++++++++++-
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/README.rst b/README.rst
index ad4484f..8ca3d7a 100644
--- a/README.rst
+++ b/README.rst
@@ -57,8 +57,10 @@ Essential dependencies (incomplete list):
 - Audio output development headers (libasound, pulseaudio)
 - fribidi, freetype, fontconfig development headers (for libass)
 - libjpeg
+- OpenSSL or GnuTLS development headers if you want to open https links
+  (this is also needed to make youtube-dl interaction work)
 - youtube-dl (at runtime) if you want to play Youtube videos directly
-  (also requires ytdl=yes in ~/.config/mpv/mpv.conf)
+  (a builtin mpv script will call it)
 - libx264/libmp3lame/libfdk-aac if you want to use encoding (you have to
   add these options explicitly to the ffmpeg options, as ffmpeg won't
   autodetect these libraries; see next section)
@@ -83,8 +85,6 @@ example, to enable some dependencies needed for encoding:
 
     echo --enable-libfdk-aac >> ffmpeg_options
 
-    echo --enable-nonfree    >> ffmpeg_options
-
 Do this in the mpv-build top-level directory (the same that contains
 the build scripts and this readme file). It must be done prior running
 ./build or ./rebuild.
diff --git a/scripts/ffmpeg-config b/scripts/ffmpeg-config
index d82d638..7ff138f 100755
--- a/scripts/ffmpeg-config
+++ b/scripts/ffmpeg-config
@@ -7,7 +7,7 @@ USER_OPTS="$@"
 if test -f "$BUILD"/ffmpeg_options ; then
     USER_OPTS="$(cat "$BUILD"/ffmpeg_options) $USER_OPTS"
 fi
-OPTIONS="--enable-gpl --disable-debug --disable-doc"
+OPTIONS="--enable-gpl --enable-nonfree --disable-debug --disable-doc"
 
 if "$BUILD"/scripts/test-libmpv ; then
     OPTIONS="$OPTIONS --enable-pic"
@@ -15,6 +15,19 @@ fi
 
 OPTIONS="$OPTIONS $USER_OPTS"
 
+# Do FFmpeg's job.
+if ! ( echo "$OPTIONS" | grep -e --enable-openssl ) &&
+   ! ( echo "$OPTIONS" | grep -e --enable-gnutls ) ;
+then
+    if pkg-config openssl ; then
+        OPTIONS="$OPTIONS --enable-openssl"
+        echo "Auto-enabling OpenSSL (creates a non-redistributable binary)."
+    elif pkg-config gnutls ; then
+        OPTIONS="$OPTIONS --enable-gnutls"
+        echo "Auto-enabling GnuTLS."
+    fi
+fi
+
 echo Using ffmpeg options: $OPTIONS
 
 mkdir -p "$BUILD"/ffmpeg_build
-- 
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