Err, stupid of me. Now passing in the PSPENV flag correctly...

JGE/Makefile

@@ -81,10 +81,9 @@ ifeq ($(TARGET_ARCHITECTURE),psp)
 PSPSDK = $(shell psp-config --pspsdk-path)
 PSPDIR = $(shell psp-config --psp-prefix)
 OBJS = $(GENERIC_OBJS) $(PSP_OBJS)
-PSPENV = 1
 TARGET_HGE = libhgetools.a
 INCDIR = include/psp include/psp/freetype2 ../Boost
-CXXFLAGS += -O2 -G0
+CXXFLAGS += -O2 -G0 -DPSPENV
 LIBDIR = lib/psp
 endif
 ifeq ($(TARGET_ARCHITECTURE),linux)

projects/mtg/Makefile

@@ -27,7 +27,6 @@ TARGET_ARCHITECTURE = psp
 PSP_FW_VERSION=371
 BUILD_PRX = 1
 #SIGN_PRX = 1
-PSPENV = 1
 LIBS = -ljge300 -lhgetools -lfreetype -ljpeg -lgif -lpng -lz -lm -lmikmod -lpsppower -lpspmpeg -lpspaudiocodec -lpspaudiolib -lpspaudio -lpspmp3 -lpspgum -lpspgu -lpsprtc -lstdc++ -lpspfpu
 
 EXTRA_TARGETS = EBOOT.PBP
@@ -38,7 +37,7 @@ PSP_EBOOT_UNKPNG = pic0.png
 PSP_EBOOT_PIC1 = pic1.png
 INCDIR = ../../JGE/include ../../JGE/include/psp ../../JGE/include/psp/freetype2 ../../JGE/src ../../projects/mtg/include ../../Boost
 LIBDIR = ../../JGE/lib/psp
-CFLAGS = -O2 -G0 -DPSPFW3XX -DDEVHOOK -DUSE_PRECOMPILED_HEADERS=1
+CFLAGS = -O2 -G0 -DPSPFW3XX -DDEVHOOK -DUSE_PRECOMPILED_HEADERS=1 -DPSPENV
 else
 OBJS += objs/TestSuiteAI.o
 INCDIR = -I../../JGE/include -I../../JGE/src -I/usr/X11/include -I../../projects/mtg/include -I../../Boost