From 1ef17e58134247d8de5d00a83da3a1009cec641d Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 11 Sep 2015 18:46:23 +0200
Subject: [PATCH] linux-installer: gcc4/5 warning.

---
 tools/linux_packaging/build         | 12 +++++++++-
 tools/linux_packaging/stage2.run.in | 35 +++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/tools/linux_packaging/build b/tools/linux_packaging/build
index 27d53f0d2d..eeef42f129 100755
--- a/tools/linux_packaging/build
+++ b/tools/linux_packaging/build
@@ -32,6 +32,7 @@ WITH_NLS=
 EXTERNAL_JACK=
 VENDOR=Ardour ;
 EXENAME=ardour
+GCC5ABI=false
 BUILDTYPE=""
 
 
@@ -86,6 +87,7 @@ while [ $# -gt 0 ] ; do
 	--sysdeps) PRINT_SYSDEPS=1; shift ;;
 	--nls) WITH_NLS=1 ; shift ;;
 	--harvid) WITH_HARVID=1 ; shift ;;
+	--gcc5abi) GCC5ABI=true ; shift ;;
 
 	*)
 		#catch all for unknown arguments
@@ -655,10 +657,18 @@ chmod a+x $APPBIN/${APP_VER_NAME}.uninstall.sh
 #
 # Add the stage2.run script
 #
-sed -e "s/%REPLACE_MAJOR_VERSION%/${major_version}/;s/%REPLACE_PGM%/${APPNAME}/;s/%REPLACE_VENDOR%/${VENDOR}/;s/%REPLACE_EXE%/${EXENAME}/" < stage2.run.in > stage2.run
+sed -e "s/%REPLACE_MAJOR_VERSION%/${major_version}/;s/%REPLACE_PGM%/${APPNAME}/;s/%REPLACE_VENDOR%/${VENDOR}/;s/%REPLACE_EXE%/${EXENAME}/;s/%REPLACE_GCC5%/${GCC5ABI}" < stage2.run.in > stage2.run
 chmod a+x stage2.run
 
 
+# gcc4/5 ABI test tool
+if [ -e $BUILD_ROOT/tools/gccabicheck/gcc-glibmm-abi-check]; then
+	cp $BUILD_ROOT/tools/gccabicheck/gcc-glibmm-abi-check $APPBIN
+else
+	echo "!!!ERROR !!! gcc-glibmm-abi-check program is missing. packager will exit without being complete"
+	exit 1
+fi
+
 #Sanity Check file
 if [ -e $BUILD_ROOT/tools/sanity_check/sanityCheck ]; then
 	cp $BUILD_ROOT/tools/sanity_check/sanityCheck $APPBIN
diff --git a/tools/linux_packaging/stage2.run.in b/tools/linux_packaging/stage2.run.in
index f3ea8424f1..6918242adf 100755
--- a/tools/linux_packaging/stage2.run.in
+++ b/tools/linux_packaging/stage2.run.in
@@ -229,6 +229,41 @@ case `uname -m` in
 		;;
 esac
 
+#############################
+# Determine C11 stdlibc++ ABI
+#############################
+
+if %REPLACE_GCC5%; then
+	# Ardour was compiled with gcc5, warn on gcc4 systems
+	if ! ${NORM_USER} "${INSTALL_DEST_BASE}/${PGM_FULL_NAME}/bin/gcc-glibmm-abi-check --gcc5 > /dev/null"; then
+		echo ""
+		echo "WARNING: GCC4/5 libstdc++ ABI Mismatch"
+		echo ""
+		echo "Ardour was compiled with gcc5, your system uses an older version of the"
+		echo "standard c++ library. Plugins on your system may not load or plugin-UIs"
+		echo "may cause crashes."
+		echo ""
+		ANSWER=$(VaildateYesNoQuestion "Continue anyway?")
+		if test "n" = $ANSWER; then
+			exit 1
+		fi
+else
+	# Ardour was compiled with gcc4, warn on gcc5 systems
+	if ! ${NORM_USER} "${INSTALL_DEST_BASE}/${PGM_FULL_NAME}/bin/gcc-glibmm-abi-check --gcc4 > /dev/null"; then
+		echo ""
+		echo "WARNING: GCC4/5 libstdc++ ABI Mismatch"
+		echo ""
+		echo "Ardour was compiled with gcc4, your system uses a newer version of the"
+		echo "standard c++ library. Plugins on your system may not load or plugin-UIs"
+		echo "may cause crashes."
+		echo ""
+		ANSWER=$(VaildateYesNoQuestion "Continue anyway?")
+		if test "n" = $ANSWER; then
+			exit 1
+		fi
+	fi
+fi
+
 ####################
 # Check disk space
 ####################