From df8c4bbc9535d54b46d56fa9a61c31c733a82547 Mon Sep 17 00:00:00 2001 From: "B. Watson" Date: Wed, 21 Jun 2017 15:31:30 -0400 Subject: audio/foo-yc20: Fix build for -current. Signed-off-by: B. Watson --- audio/foo-yc20/README | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) (limited to 'audio/foo-yc20/README') diff --git a/audio/foo-yc20/README b/audio/foo-yc20/README index 83a7436789983..4cea340315837 100644 --- a/audio/foo-yc20/README +++ b/audio/foo-yc20/README @@ -1,20 +1,28 @@ foo-yc20 (Yamaha YC-20 organ emulator for JACK and LV2) -This is an implementation of a 1969 designed Yamaha combo organ, -the YC-20. +This is an implementation of a 1969 designed Yamaha combo organ, the YC-20. Original YC-20 organs have a touch vibrato control, which is vibrato -induced by horizontal movement of the keys. As there very few (almost -none) midi keyboards which produce such information, this feature has +induced by horizontal movement of the keys. As there are very few (almost +no) MIDI keyboards which produce such information, this feature has been left out of the emulation. Instead of the touch vibrato control, the control panel hosts a "realism" switch. -By default, the package is built with -march=native, which tells gcc -to use the host CPU's features such as SSE2. You can disable this by -passing FORCE_SLACK_CFLAGS=yes to the script. - This package uses POSIX filesystem capabilities to execute with elevated privileges (required for realtime audio processing). This may be considered a security/stability risk. Please read http://www.slackbuilds.org/caps/ for more information. To disable capabilities, pass SETCAP=no to the script. + +Since audio synthesis is compute-intensive, compiler optimizations might +actually make a noticeable difference. The environment variable OPTIMIZE +can be set to: + +- OPTIMIZE="default" (or, unset) builds with -O2 -march=native. + +- OPTIMIZE="slack" builds with standard Slackware flags. Use this if you're + going to e.g. build a package on a system with SSE2 that you're going to + install on a system without SSE2). + +- OPTIMIZE="upstream" builds with -O3 -march=native. This requires up to + 6GB of memory (ram + swap) and takes up to 10 times as long to build. -- cgit v1.2.3