audio/cmt: Added patch to avoid double-free aborts.

audio/cmt/cmt.SlackBuild

@@ -6,15 +6,13 @@
 
 PRGNAM=cmt
 VERSION=${VERSION:-1.16}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
-# Automatically determine the architecture we're building on:
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
     i?86) ARCH=i486 ;;
     arm*) ARCH=arm ;;
-    # Unless $ARCH is already set, use uname -m for all other archs:
        *) ARCH=$( uname -m ) ;;
   esac
 fi
@@ -38,8 +36,6 @@ else
   LIBDIRSUFFIX=""
 fi
 
-FORCE_SLACK_CFLAGS=${FORCE_SLACK_CFLAGS:-no}
-
 set -e
 
 rm -rf $PKG
@@ -56,10 +52,16 @@ find . \
  -exec chmod 644 {} \;
 chmod 644 doc/*
 
-if [ "$FORCE_SLACK_CFLAGS" = "yes" ]; then
+if [ "${FORCE_SLACK_CFLAGS:-no}" = "yes" ]; then
   sed -i 's/-O3/'"$SLKCFLAGS"'/' src/makefile
 fi
 
+# Fix glibc double-free errors when cmt's sine and ladspa_sdk's sine
+# both get loaded into the same ladspa host. Sent patch upstream, but
+# cmt is "legacy", there hasn't been a release since 2007, so not holding
+# my breath.
+patch -p1 < $CWD/fix_sine.diff
+
 make -C src
 mkdir -p $PKG/usr/lib$LIBDIRSUFFIX/ladspa
 make -C src install INSTALL_PLUGINS_DIR=$PKG/usr/lib$LIBDIRSUFFIX/ladspa

audio/cmt/cmt.info

@@ -7,4 +7,4 @@ DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 MAINTAINER="B. Watson"
 EMAIL="yalhcru@gmail.com"
-APPROVED="rworkman"
+APPROVED="Niels Horn"

audio/cmt/fix_sine.diff

@@ -0,0 +1,14 @@
+diff -Naur cmt/src/sine.cpp cmt.patched//src/sine.cpp
+--- cmt/src/sine.cpp	2002-08-07 17:42:41.000000000 -0400
++++ cmt.patched//src/sine.cpp	2011-06-21 12:07:36.000000000 -0400
+@@ -36,8 +36,8 @@
+ 
+ /*****************************************************************************/
+ 
+-LADSPA_Data * g_pfSineTable = NULL;
+-LADSPA_Data g_fPhaseStepBase = 0;
++static LADSPA_Data * g_pfSineTable = NULL;
++static LADSPA_Data g_fPhaseStepBase = 0;
+ 
+ /*****************************************************************************/
+