--- FreeImage.old/Makefile.gnu
+++ FreeImage/Makefile.gnu
@@ -4,9 +4,9 @@
 include Makefile.srcs
 
 # General configuration variables:
-DESTDIR ?= /
-INCDIR ?= $(DESTDIR)/usr/include
-INSTALLDIR ?= $(DESTDIR)/usr/lib
+PREFIX     = __META_PREFIX__
+INCDIR     = $(PREFIX)/include
+INSTALLDIR = $(PREFIX)/lib
 
 # Converts cr/lf to just lf
 DOS2UNIX = dos2unix
@@ -15,7 +15,8 @@
 
 MODULES = $(SRCS:.c=.o)
 MODULES := $(MODULES:.cpp=.o)
-CFLAGS ?= -O3 -fPIC -fexceptions -fvisibility=hidden
+CFLAGS ?= -O3 -fPIC -fexceptions
+
 # OpenJPEG
 CFLAGS += -DOPJ_STATIC
 # LibRaw
@@ -23,7 +24,7 @@
 # LibJXR
 CFLAGS += -DDISABLE_PERF_MEASUREMENT -D__ANSI__
 CFLAGS += $(INCLUDE)
-CXXFLAGS ?= -O3 -fPIC -fexceptions -fvisibility=hidden -Wno-ctor-dtor-privacy
+CXXFLAGS ?= -O3 -fPIC -fexceptions -Wno-ctor-dtor-privacy
 # LibJXR
 CXXFLAGS += -D__ANSI__
 CXXFLAGS += $(INCLUDE)