first stab at making a relinker

Builds/MacOSX/relink-build-for-distribution.sh

@@ -0,0 +1,113 @@
+#!/usr/bin/env bash
+
+# Ascertain directory in which script lives; compatible with all UNIX
+# Thanks to kenorb
+# http://stackoverflow.com/a/17744637/5257399
+MYDIR=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
+set -o pipefail
+
+error() {
+  local parent_lineno="$1"
+  local message="$2"
+  local code="${3:-1}"
+  if [[ -n "$message" ]] ; then
+    echo "Error on or near line ${parent_lineno}: ${message}; exiting with status ${code}"
+  else
+    echo "Error on or near line ${parent_lineno}; exiting with status ${code}"
+  fi
+  exit "${code}"
+}
+trap 'error ${LINENO}' ERR
+
+####
+
+LIBDIR="$MYDIR/lib"
+BUILDDIR="$MYDIR/build"
+PLUGINNAME="juicysfplugin"
+
+declare -a BUILDS=("Debug" "Release")
+# .app is a special case which has a Plugins folder inside it, containing a .appex Plugin
+declare -a TARGETS=(\
+".app"\
+".appex"\
+".component"\
+".vst"\
+".vst3"\
+".app/Contents/PlugIns/$PLUGINNAME.appex"
+)
+
+echo "Known builds: ${BUILDS[*]}"
+echo "Known targets: ${TARGETS[*]}"
+
+echo "Build directory: $BUILDDIR"
+echo "Lib directory: $LIBDIR"
+
+
+FLUIDSYNTH="libfluidsynth.1.7.1.dylib"
+GLIB="libglib-2.0.0.dylib"
+GTHREAD="libgthread-2.0.0.dylib"
+INTL="libintl.8.dylib"
+PCRE="libpcre.1.dylib"
+
+FRAMEWORKEXEC="@executable_path/../Frameworks"
+FRAMEWORKLOAD="@loader_path/../Frameworks"
+
+for i in "${BUILDS[@]}"
+do
+	BUILD="$BUILDDIR/$i"
+	if [ -d "$BUILD" ]; then
+		echo "Found $i build subdirectory. Iterating over targets."
+		for j in "${TARGETS[@]}"
+		do
+			CONTENTS="$BUILD/$PLUGINNAME$j/Contents"
+			BINARY="$CONTENTS/MacOS/$PLUGINNAME"
+			if [ -f "$BINARY" ]; then
+
+echo "Found $j"
+echo "Copying libraries into target"
+FRAMEWORKS="$CONTENTS/Frameworks"
+mkdir -p "$FRAMEWORKS"
+cp "$LIBDIR/"* "$FRAMEWORKS/"
+# we're gonna relink these frameworks also, so make them writeable
+chmod +w "$FRAMEWORKS/"*
+
+# our $BINARY (Contents/MacOS/juicysfplugin) begins its life linked to a brew-installed fluidsynth library
+# which it expects to find at: /usr/local/opt/fluid-synth/lib/libfluidsynth.1.dylib
+# we want to change this link to point to the fluidsynth library we copied into: Contents/MacOS/Frameworks/libfluidsynth.1.7.1.dylib
+# we tell it to look for it with a relative path: @executable_path/../Frameworks/libfluidsynth.1.7.1.dylib
+# and yes, it's fine to point it at our 1.7.1.dylib even though it expects 1.dylib. Because 1.dylib was always a symlink to the more specific version (1.7.1) anyway.
+install_name_tool -change /usr/local/opt/fluid-synth/lib/libfluidsynth.1.dylib "$FRAMEWORKEXEC/$FLUIDSYNTH" "$BINARY"
+
+# changes to our libfluidsynth (depends on glib, gthread, intl):
+# change our 1.7.1.dylib to identify itself as 1.dylib, to meet our targets' expectations
+install_name_tool -id "$FRAMEWORKLOAD/libfluidsynth.1.dylib" "$FRAMEWORKS/$FLUIDSYNTH"
+install_name_tool -change /usr/local/opt/glib/lib/libglib-2.0.0.dylib "$FRAMEWORKLOAD/$GLIB" "$FRAMEWORKS/$FLUIDSYNTH"
+install_name_tool -change /usr/local/opt/glib/lib/libgthread-2.0.0.dylib "$FRAMEWORKLOAD/$GTHREAD" "$FRAMEWORKS/$FLUIDSYNTH"
+install_name_tool -change /usr/local/opt/gettext/lib/libintl.8.dylib "$FRAMEWORKLOAD/$INTL" "$FRAMEWORKS/$FLUIDSYNTH"
+
+# changes to our glib (depends on pcre, intl):
+install_name_tool -id "$FRAMEWORKLOAD/$GLIB" "$FRAMEWORKS/$GLIB"
+install_name_tool -change /usr/local/opt/pcre/lib/libpcre.1.dylib "$FRAMEWORKLOAD/$PCRE" "$FRAMEWORKS/$GLIB"
+install_name_tool -change /usr/local/opt/gettext/lib/libintl.8.dylib "$FRAMEWORKLOAD/$INTL" "$FRAMEWORKS/$GLIB"
+
+# changes to our gthread (depends on pcre, intl, glib):
+# yes, the brew-installed libgthread links directly to brew-installed libglib (unlike fluidsynth, which points at a _symlink_ to the same)
+install_name_tool -id "$FRAMEWORKLOAD/$GTHREAD" "$FRAMEWORKS/$GTHREAD"
+install_name_tool -change /usr/local/opt/pcre/lib/libpcre.1.dylib "$FRAMEWORKLOAD/$PCRE" "$FRAMEWORKS/$GTHREAD"
+install_name_tool -change /usr/local/opt/gettext/lib/libintl.8.dylib "$FRAMEWORKLOAD/$INTL" "$FRAMEWORKS/$GTHREAD"
+install_name_tool -change /usr/local/Cellar/glib/2.54.3/lib/libglib-2.0.0.dylib "$FRAMEWORKLOAD/$GLIB" "$FRAMEWORKS/$GTHREAD"
+
+# changes to our intl:
+install_name_tool -id "$FRAMEWORKLOAD/$INTL" "$FRAMEWORKS/$INTL"
+
+# changes to our pcre:
+install_name_tool -id "$FRAMEWORKLOAD/$PCRE" "$FRAMEWORKS/$PCRE"
+
+			else
+				echo "Missing $j; skipping."
+			fi
+		done
+	else
+		echo "No build directory '$i'. Skipping."
+	fi
+done