diff -Naur 0ad-0.0.20-alpha.old/build/premake/premake4/build/gmake.unix/Premake4.make 0ad-0.0.20-alpha/build/premake/premake4/build/gmake.unix/Premake4.make
--- 0ad-0.0.20-alpha.old/build/premake/premake4/build/gmake.unix/Premake4.make	2016-04-01 20:13:10.176916471 +0200
+++ 0ad-0.0.20-alpha/build/premake/premake4/build/gmake.unix/Premake4.make	2016-04-01 20:17:20.456909743 +0200
@@ -26,12 +26,12 @@
   DEFINES   += -DNDEBUG -DLUA_USE_POSIX -DLUA_USE_DLOPEN
   INCLUDES  += -I../../src/host/lua-5.1.4/src
   CPPFLAGS  += -MMD -MP $(DEFINES) $(INCLUDES)
-  CFLAGS    += $(CPPFLAGS) -Wall -Os
-  CXXFLAGS  += $(CPPFLAGS) -Wall -Os
-  LDFLAGS   += -s -rdynamic
-  LIBS      += -lm -ldl 
-  RESFLAGS  += $(DEFINES) $(INCLUDES) 
-  LDDEPS    += 
+  CFLAGS    += $(CPPFLAGS) -Wall
+  CXXFLAGS  += $(CPPFLAGS) -Wall
+  LDFLAGS   += -rdynamic
+  LIBS      += -lm -ldl
+  RESFLAGS  += $(DEFINES) $(INCLUDES)
+  LDDEPS    +=
   LINKCMD    = $(CC) -o $(TARGET) $(OBJECTS) $(LDFLAGS) $(RESOURCES) $(LDDEPS) $(LIBS)
   define PREBUILDCMDS
   endef
@@ -48,12 +48,12 @@
   DEFINES   += -D_DEBUG -DLUA_USE_POSIX -DLUA_USE_DLOPEN
   INCLUDES  += -I../../src/host/lua-5.1.4/src
   CPPFLAGS  += -MMD -MP $(DEFINES) $(INCLUDES)
-  CFLAGS    += $(CPPFLAGS) -Wall -g
-  CXXFLAGS  += $(CPPFLAGS) -Wall -g
+  CFLAGS    += $(CFLAGS) $(CPPFLAGS) -Wall
+  CXXFLAGS  += $(CXXFLAGS) $(CPPFLAGS) -Wall
   LDFLAGS   += -rdynamic
-  LIBS      += -lm -ldl 
-  RESFLAGS  += $(DEFINES) $(INCLUDES) 
-  LDDEPS    += 
+  LIBS      += -lm -ldl
+  RESFLAGS  += $(DEFINES) $(INCLUDES)
+  LDDEPS    +=
   LINKCMD    = $(CC) -o $(TARGET) $(OBJECTS) $(LDFLAGS) $(RESOURCES) $(LDDEPS) $(LIBS)
   define PREBUILDCMDS
   endef
diff -Naur 0ad-0.0.20-alpha.old/build/premake/premake4/src/tools/gcc.lua 0ad-0.0.20-alpha/build/premake/premake4/src/tools/gcc.lua
--- 0ad-0.0.20-alpha.old/build/premake/premake4/src/tools/gcc.lua	2016-04-01 20:13:10.170916472 +0200
+++ 0ad-0.0.20-alpha/build/premake/premake4/src/tools/gcc.lua	2016-04-01 20:15:21.051912953 +0200
@@ -136,8 +136,6 @@
 		if not cfg.flags.Symbols then
 			if cfg.system == "macosx" then
 				table.insert(result, "-Wl,-x")
-			else
-				table.insert(result, "-s")
 			end
 		end
 	
diff -Naur 0ad-0.0.20-alpha.old/libraries/source/fcollada/src/Makefile 0ad-0.0.20-alpha/libraries/source/fcollada/src/Makefile
--- 0ad-0.0.20-alpha.old/libraries/source/fcollada/src/Makefile	2016-04-01 20:13:10.197916471 +0200
+++ 0ad-0.0.20-alpha/libraries/source/fcollada/src/Makefile	2016-04-01 20:14:17.511914661 +0200
@@ -9,9 +9,9 @@
 
 CXX ?= g++
 CXXFLAGS += -fvisibility=hidden -W -Wall -Wno-unused-parameter -Wno-unused-function $(OS_DEFINE) $(PIC_FLAGS) $(CPPFLAGS)
-CXXFLAGS_DEBUG := -O0 -g -D_DEBUG -DRETAIL
-CXXFLAGS_RELEASE := -O2 -DNDEBUG -DRETAIL
-CXXFLAGS_TEST := -O0 -g -D_DEBUG
+CXXFLAGS_DEBUG := -D_DEBUG -DRETAIL
+CXXFLAGS_RELEASE := -DNDEBUG -DRETAIL
+CXXFLAGS_TEST := -D_DEBUG
 LIBS += `pkg-config libxml-2.0 --libs`
 INCLUDES += -IFCollada `pkg-config libxml-2.0 --cflags`
 INCLUDES_TEST := -IFCollada/FColladaTest $(INCLUDES)
diff -Naur 0ad-0.0.20-alpha.old/libraries/source/spidermonkey/build.sh 0ad-0.0.20-alpha/libraries/source/spidermonkey/build.sh
--- 0ad-0.0.20-alpha.old/libraries/source/spidermonkey/build.sh	2016-04-01 20:13:10.185916471 +0200
+++ 0ad-0.0.20-alpha/libraries/source/spidermonkey/build.sh	2016-04-01 20:19:03.800906965 +0200
@@ -79,20 +79,8 @@
 cd js/src
 
 # Clean up data generated by previous builds that could cause problems
-rm -rf build-debug
 rm -rf build-release
 
-# We want separate debug/release versions of the library, so we have to change
-# the LIBRARY_NAME for each build.
-# (We use perl instead of sed so that it works with MozillaBuild on Windows,
-# which has an ancient sed.)
-perl -i.bak -pe 's/(LIBRARY_NAME\s+=).*/$1 '\''mozjs31-ps-debug'\''/' moz.build
-mkdir -p build-debug
-cd build-debug
-CXXFLAGS="${TLCXXFLAGS}" ../configure ${CONF_OPTS} --with-nspr-libs="$NSPR_LIBS" --with-nspr-cflags="$NSPR_INCLUDES" --enable-debug --disable-optimize --enable-js-diagnostics --enable-gczeal # --enable-root-analysis
-${MAKE} ${MAKE_OPTS}
-cd ..
-
 perl -i.bak -pe 's/(LIBRARY_NAME\s+=).*/$1 '\''mozjs31-ps-release'\''/' moz.build
 mkdir -p build-release
 cd build-release
@@ -134,12 +122,9 @@
 mkdir -p ${INCLUDE_DIR_DEBUG}
 mkdir -p ${INCLUDE_DIR_RELEASE}
 cp -R -L mozjs31/js/src/build-release/dist/include/* ${INCLUDE_DIR_RELEASE}/
-cp -R -L mozjs31/js/src/build-debug/dist/include/* ${INCLUDE_DIR_DEBUG}/
 
 mkdir -p lib/
-cp -L mozjs31/js/src/build-debug/dist/lib/${LIB_PREFIX}mozjs31-ps-debug${LIB_SRC_SUFFIX} lib/${LIB_PREFIX}mozjs31-ps-debug${LIB_DST_SUFFIX}
 cp -L mozjs31/js/src/build-release/dist/lib/${LIB_PREFIX}mozjs31-ps-release${LIB_SRC_SUFFIX} lib/${LIB_PREFIX}mozjs31-ps-release${LIB_DST_SUFFIX}
-cp -L mozjs31/js/src/build-debug/dist/bin/${LIB_PREFIX}mozjs31-ps-debug${DLL_SRC_SUFFIX} ../../../binaries/system/${LIB_PREFIX}mozjs31-ps-debug${DLL_DST_SUFFIX}
 cp -L mozjs31/js/src/build-release/dist/bin/${LIB_PREFIX}mozjs31-ps-release${DLL_SRC_SUFFIX} ../../../binaries/system/${LIB_PREFIX}mozjs31-ps-release${DLL_DST_SUFFIX}
 
 # Flag that it's already been built successfully so we can skip it next time