This fixes the detection of the vp9 decoder/encoder.
The vp9 decoder/encoder needs libm to successfully link, -lm was missing
in the check_lib calls for vp9 in configure.From 0b5bbd7c30f3a76b2e0ab6ceae2bfaebe944b279 Mon Sep 17 00:00:00 2001
From: Felix Matouschek <fe...@matouschek.org>
Date: Tue, 12 Dec 2017 10:42:40 +0100
Subject: [PATCH] configure: Fix detection of vp9 decoder/encoder
To: ffmpeg-devel@ffmpeg.org
The vp9 decoder/encoder needs libm to successfully link,
-lm was missing in the check_lib calls for vp9
Signed-off-by: Felix Matouschek <fe...@matouschek.org>
---
configure | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 8cf48ae1cf..4581850fe5 100755
--- a/configure
+++ b/configure
@@ -5918,11 +5918,11 @@ enabled libvpx && {
}
enabled libvpx_vp9_decoder && {
check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
- check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
+ check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx -lm
}
enabled libvpx_vp9_encoder && {
check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
- check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx
+ check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" -lvpx -lm
}
if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
die "libvpx enabled but no supported decoders found"
--
2.14.1.windows.1
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