diff --git a/sc2/Makeinfo b/sc2/Makeinfo
index 4eb61d122..0b73c152d 100644
--- a/sc2/Makeinfo
+++ b/sc2/Makeinfo
@@ -11,3 +11,15 @@ else
 fi
 uqm_CFLAGS="$uqm_CFLAGS -I src -I src/sc2code -I src/sc2code/libs"
 
+# Stuff to install under the directory for libraries, as specified during
+# config.
+uqm_INSTALL_LIBS=content
+uqm_INSTALL_LIB_content_SRC=content
+uqm_INSTALL_LIB_content_DEST=uqm/
+
+# Stuff to install under the directory for binaries, as specified during
+# config.
+uqm_INSTALL_BINS=uqm
+uqm_INSTALL_BIN_uqm_SRC="$uqm_NAME"
+uqm_INSTALL_BIN_uqm_dest=""
+
diff --git a/sc2/build.vars.in b/sc2/build.vars.in
index ccd788baa..ab0a4a22a 100644
--- a/sc2/build.vars.in
+++ b/sc2/build.vars.in
@@ -21,6 +21,8 @@ MAKE="@MAKE@"
 uqm_CFLAGS="@CFLAGS@"
 uqm_LDFLAGS="@LDFLAGS@"
 DEBUG="@DEBUG@"
+uqm_INSTALL_BINDIR="@INSTALL_BINDIR@"
+uqm_INSTALL_LIBDIR="@INSTALL_LIBDIR@"
 
 # Exported variables are available from all the Makeinfo files
 # Non-exported files only where build.vars is explicitely included.
diff --git a/sc2/build/build.config b/sc2/build/build.config
index a4695258e..1d1987871 100644
--- a/sc2/build/build.config
+++ b/sc2/build/build.config
@@ -46,7 +46,7 @@ debug_action() {
 	DEBUG=1
 }
 CHOICE_debug_OPTION_nodebug_TITLE="No debugging information"
-CHOICE_debug_OPTION_nodebug_ACTION='debug_action'
+CHOICE_debug_OPTION_nodebug_ACTION='nodebug_action'
 nodebug_action() {
 	CFLAGS="$CFLAGS -O3"
 	DEBUG=0
@@ -134,14 +134,15 @@ prefix="$INPUT_install_prefix_VALUE" \
 CONTENTDIR="${INSTALL_LIBDIR}uqm/content"
 
 
+# Export the HAVE_ symbols to config.h, using config.h.in as template
+SUBSTITUTE_VARS="$HAVE_SYMBOLS CONTENTDIR"
+SUBSTITUTE_FILES="src/config.h"
+substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES
+CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
+
 # Make build.vars from build.vars.in, substituting variables.
 SUBSTITUTE_VARS="CFLAGS LDFLAGS MAKE DEBUG SOUNDMODULE HAVE_OPENGL \
 		INSTALL_LIBDIR INSTALL_BINDIR"
 SUBSTITUTE_FILES="build.vars"
 substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES
 
-# Export the HAVE_ symbols to config.h, using config.h.in as template
-SUBSTITUTE_VARS="$HAVE_SYMBOLS CONTENTDIR"
-SUBSTITUTE_FILES="src/config.h"
-substitute_vars SUBSTITUTE_VARS SUBSTITUTE_FILES
-
diff --git a/sc2/src/sc2code/libs/sound/Makeinfo b/sc2/src/sc2code/libs/sound/Makeinfo
index 7736b605e..fe2071d52 100644
--- a/sc2/src/sc2code/libs/sound/Makeinfo
+++ b/sc2/src/sc2code/libs/sound/Makeinfo
@@ -1,7 +1,9 @@
 if [ "$uqm_SOUNDMODULE" = openal ]; then
 	uqm_SUBDIRS="openal"
+	uqm_CFLAGS="$uqm_CFLAGS -DSOUNDMODULE_OPENAL"
 else
 	uqm_SUBDIRS="sdl"
+	uqm_CFLAGS="$uqm_CFLAGS -DSOUNDMODULE_SDL"
 fi
 
 uqm_CFILES="fileinst.c resinst.c sound_common.c"